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Willner, Steven

Astronomer

Infrared observations of galaxies, both nearby and distant; Development of infrared instruments

Background And Education

Education And Training

Publications

Selected Publications

  • Article

    • Huang, J. -S, Dai, Y. -S, Willner, Steven P., Faber, S. M., Cheng, C., Xu, H., Yan, H., Wu, S., Shao, X., Hao, C., Xia, X., Rigopoulou, D., Pereira Santaella, M., Magdis, G., Cortzen, I., Fazio, Giovanni G., Assmann, P., Fan, L., Musin, M., Wang, Z., Xu, K. C., He, C., Jin, G., and Esamdin, A. 2021. "A Complete 16 μm Selected Galaxy Sample at z ∼ 1: Mid-infrared Spectral Energy Distributions." The Astrophysical Journal 912:161. https://doi.org/10.3847/1538-4357/abec50 2021
    • Healy, J., Willner, S. P., Verheijen, M. A. W., and Blyth, S. -L. 2021. "A2626 and Friends: Large- and Small-scale Structure." The Astronomical Journal, 193. 162, https://doi.org/10.3847/1538-3881/ac0bc6. 2021
    • Ghaffari, Zohreh, Haas, Martin, Chiaberge, Marco, Willner, Steven P., Chini, Rolf, Hildebrandt, Hendrik, de Propris, Roberto, and West, Michael J. 2021. "Clustering of red and blue galaxies around high-redshift 3C radio sources as seen by the Hubble Space Telescope." Astronomy and Astrophysics, A44. 653, https://doi.org/10.1051/0004-6361/202039404. 2021
    • Gravity Collaboration, Abuter, R., Amorim, A., Bauböck, M., Baganoff, F., Berger, J. P., Boyce, H., Bonnet, H., Brandner, W., Clénet, Y., Davies, R., de Zeeuw, P. T., Dexter, J., Dallilar, Y., Drescher, A., Eckart, A., Eisenhauer, F., Fazio, G. G., Förster Schreiber, N. M., Foster, K., Gammie, C., Garcia, P., Gao, F., Gendron, E., Genzel, R. et al. 2021. "Constraining particle acceleration in Sgr A with simultaneous GRAVITY, Spitzer, NuSTAR, and Chandra observations." Astronomy and Astrophysics, A22. 654, https://doi.org/10.1051/0004-6361/202140981. 2021
    • Boyce, H., Haggard, D., Witzel, G., Willner, Steven P., Neilsen, J., Hora, Joseph L., Markoff, S., Ponti, G., Baganoff, F., Becklin, E., Fazio, Giovanni, Lowrance, P., Morris, M. R., and Smith, H. A. 2021. "Erratum: "Simultaneous X-Ray and Infrared Observations of Sagittarius A*'s Variability" (2019, ApJ, 871, 161)." The Astrophysical Journal, 168. 912, (2), https://doi.org/10.3847/1538-4357/abefd2. 2021
    • Kouroumpatzakis, K., Zezas, A., Maragkoudakis, A., Willner, S. P., Bonfini, P., Ashby, M. L. N., Sell, P. H., and Jarrett, T. H. 2021. "The Star Formation Reference Survey - V. The effect of extinction, stellar mass, metallicity, and nuclear activity on star-formation rates based on H α emission." Monthly Notices of the Royal Astronomical Society, 3079–3097. 506, https://doi.org/10.1093/mnras/stab1917. 2021
    • Bonfini, P., Zezas, A., Ashby, M. L. N., Willner, S. P., Maragkoudakis, A., Kouroumpatzakis, K., Sell, P. H., and Kovlakas, K. 2021. "The star formation reference survey - IV. Stellar mass distribution of local star-forming galaxies." Monthly Notices of the Royal Astronomical Society, 3831–3861. 504, https://doi.org/10.1093/mnras/stab777. 2021
    • Krick, Jessica E., Lowrance, Patrick J., Carey, Sean, Surace, Jason, Grillmair, Carl J., Laine, Seppo, Van Dyk, Schuyler D., Ingalls, James G., Ashby, Matthew L. N., and Willner, S. P. 2021. "Warm Spitzer IRAC photometry: dependencies on observing mode and exposure time." Journal of Astronomical Telescopes, Instruments, and Systems, 038006. 7, https://doi.org/10.1117/1.JATIS.7.3.038006. 2021
    • Kouroumpatzakis, K., Zezas, Andreas, Sell, P., Kovlakas, K., Bonfini, P., Willner, Steven P., Ashby, Matthew L. N., Maragkoudakis, A., and Jarrett, T. H. 2020. "Sub-galactic scaling relations between X-ray luminosity, star formation rate, and stellar mass." Monthly Notices of the Royal Astronomical Society 494:5967-5984. https://doi.org/10.1093/mnras/staa1063 2020
    • Fazio, G. G., Hora, J. L., Witzel, G., Willner, S. P., Ashby, M. L. N., Baganoff, F., Becklin, E., Carey, S., Haggard, D., Gammie, C., Ghez, A., Gurwell, M. A., Ingalls, J., Marrone, D., Morris, M. R., and Smith, H. A. 2019. "Multiwavelength Light Curves of Two Remarkable Sagittarius A* Flares." The Astrophysical Journal 864 (1):58. https://doi.org/10.3847/1538-4357/aad4a2 2019
    • Hsu, Li-Ting, Lin, Lihwai, Dickinson, Mark, Yan, Haojing, Bau-Ching, Hsieh, Wang, Wei-Hao, Lee, Chien-Hsiu, Yan, Chi-Hung, Scott, Douglas, Willner, Steven P., Ouchi, Masami, Ashby, Matthew L. N., Chen, Yi-Wen, Daddi, Emanuele, Elbaz, David, Fazio, Giovanni G., Foucaud, Sebastien, Huang, Jiasheng, Koo, David C., Morrison, Glenn, Owen, Frazer, Pannella, Maurilio, Pope, Alexendra, Simard, Luc, and Wang, Shiang-Yu. 2019. "Near-infrared Survey and Photometric Redshifts in the Extended GOODS-North Field." The Astrophysical Journal 871:233. https://doi.org/10.3847/1538-4357/aaf9a7 2019
    • Boyce, H., Haggard, D., Witzel, G., Willner, Steven P., Neilsen, J., Hora, Joseph L., Markoff, S., Ponti, G., Baganoff, F., Becklin, E. E., Fazio, Giovanni G., Lowrance, P., Morris, M. R., and Smith, H. A. 2019. "Simultaneous X-Ray and Infrared Observations of Sagittarius A*'s Variability." The Astrophysical Journal 871:161. https://doi.org/10.3847/1538-4357/aaf71f 2019
    • Barro, Guillermo, Pérez-González, Pablo G., Cava, Antonio, Brammer, Gabriel, Pandya, Viraj, Eliche Moral, Carmen, Esquej, Pilar, Domínguez-Sánchez, Helena, Alcalde Pampliega, Belen, Guo, Yicheng, Koekemoer, Anton M., Trump, Jonathan R., Ashby, Matthew L. N., Cardiel, Nicolas, Castellano, Marco, Conselice, Christopher J., Dickinson, Mark E., Dolch, Timothy, Donley, Jennifer L., Espino Briones, Néstor, Faber, Sandra M., Fazio, Giovanni G., Ferguson, Henry, Finkelstein, Steve, Fontana, Adriano et al. 2019. "The CANDELS/SHARDS Multiwavelength Catalog in GOODS-N: Photometry, Photometric Redshifts, Stellar Masses, Emission-line Fluxes, and Star Formation Rates." The Astrophysical Journal Supplement Series 243:22. https://doi.org/10.3847/1538-4365/ab23f2 2019
    • Mahajan, Smriti, Ashby, Matthew L. N., Willner, Steven P., Barmby, P., Fazio, Giovanni G., Maragkoudakis, A., Raychaudhury, S., and Zezas, A. 2019. "The Star Formation Reference Survey - III. A multiwavelength view of star formation in nearby galaxies." Monthly Notices of the Royal Astronomical Society 482:560-577. https://doi.org/10.1093/mnras/sty2699 2019
    • Rhee, Jonghwan, Lah, Philip, Briggs, Frank H., Chengalur, Jayaram N., Colless, Matthew, Willner, Steven P., Ashby, Matthew L. N., and Le Fèvre, Olivier. 2018. "Neutral hydrogen (H I) gas content of galaxies at z ≈ 0.32." Monthly Notices of the Royal Astronomical Society 473:1879-1894. https://doi.org/10.1093/mnras/stx2461 2018
    • Dietrich, Jeremy, Weiner, Aaron S., Ashby, Matthew L. N., Hayward, Christopher C., Martínez-Galarza, Juan Rafael, Ramos Padilla, Andrés F., Rosenthal, Lee, Smith, Howard A., Willner, S. P., and Zezas, Andreas. 2018. "The AGN luminosity fraction in merging galaxies." Monthly Notices of the Royal Astronomical Society 480:3562-3583. https://doi.org/10.1093/mnras/sty2056 2018
    • Maragkoudakis, A., Zezas, A., Ashby, M. L. N., and Willner, S. P. 2018. "The Star Formation Reference Survey - II. Activity demographics and host-galaxy properties for infrared-selected galaxies." Monthly Notices of the Royal Astronomical Society 475:1485-1507. https://doi.org/10.1093/mnras/stx3247 2018
    • Witzel, G., Martinez, G., Hora, J., Willner, S. P., Morris, M. R., Gammie, C., Becklin, E. E., Ashby, M. L. N., Baganoff, F., Carey, S., Do, T., Fazio, G. G., Ghez, A., Glaccum, W. J., Haggard, D., Herrero-Illana, R., Ingalls, J., Narayan, R., and Smith, H. A. 2018. "Variability Timescale and Spectral Index of Sgr A* in the Near Infrared: Approximate Bayesian Computation Analysis of the Variability of the Closest Supermassive Black Hole." The Astrophysical Journal 863:15. https://doi.org/10.3847/1538-4357/aace62 2018
    • Nayyeri, H., Hemmati, S., Mobasher, B., Ferguson, H. C., Cooray, A., Barro, G., Faber, S. M., Dickinson, M., Koekemoer, A. M., Peth, M., Salvato, M., Ashby, M. L. N., Darvish, B., Donley, J., Durbin, M., Finkelstein, S., Fontana, A., Grogin, N. A., Gruetzbauch, R., Huang, K., Khostovan, A. A., Kocevski, D., Kodra, D., Lee, B., Newman, J. et al. 2017. "CANDELS Multi-wavelength Catalogs: Source Identification and Photometry in the CANDELS COSMOS Survey Field." The Astrophysical Journal Supplement Series 228:7. https://doi.org/10.3847/1538-4365/228/1/7 2017
    • Stefanon, Mauro, Yan, Haojing, Mobasher, Bahram, Barro, Guillermo, Donley, Jennifer L., Fontana, Adriano, Hemmati, Shoubaneh, Koekemoer, Anton M., Lee, BoMee, Lee, Seong-Kook, Nayyeri, Hooshang, Peth, Michael, Pforr, Janine, Salvato, Mara, Wiklind, Tommy, Wuyts, Stijn, Ashby, Matthew L. N., Castellano, Marco, Conselice, Christopher J., Cooper, Michael C., Cooray, Asantha R., Dolch, Timothy, Ferguson, Henry, Galametz, Audrey, Giavalisco, Mauro et al. 2017. "CANDELS Multi-wavelength Catalogs: Source Identification and Photometry in the CANDELS Extended Groth Strip." The Astrophysical Journal Supplement Series 229:32. https://doi.org/10.3847/1538-4365/aa66cb 2017
    • Devereux, Nick, Willner, S. P., Ashby, M. L. N., Willmer, C. N. A., and Hriljac, Paul. 2017. "Erratum: "Nearby Galaxies in the 2 ?m All Sky Survey. I. K-Band Luminosity Functions" (2009, ApJ, 702, 955)." The Astrophysical Journal 844:173. https://doi.org/10.3847/1538-4357/aa7b32 2017
    • Maragkoudakis, A., Zezas, A., Ashby, M. L. N., and Willner, S. P. 2017. "The sub-galactic and nuclear main sequences for local star-forming galaxies." Monthly Notices of the Royal Astronomical Society 466:1192-1204. https://doi.org/10.1093/mnras/stw3180 2017
    • Oesch, P. A., Brammer, G., van Dokkum, P. G., Illingworth, G. D., Bouwens, R. J., Labbé, I., Franx, M., Momcheva, I., Ashby, Matthew L. N., Fazio, Giovanni G., Gonzalez, V., Holden, B., Magee, D., Skelton, R. E., Smit, R., Spitler, L. R., Trenti, M., and Willner, Steven P. 2016. "A Remarkably Luminous Galaxy at z=11.1 Measured with Hubble Space Telescope Grism Spectroscopy." The Astrophysical Journal 819:129. https://doi.org/10.3847/0004-637X/819/2/129 2016
    • Salmon, Brett, Papovich, Casey, Long, James, Willner, Steven P., Finkelstein, Steven L., Ferguson, Henry C., Dickinson, Mark, Duncan, Kenneth, Faber, S. M., Hathi, Nimish, Koekemoer, Anton, Kurczynski, Peter, Newman, Jeffery, Pacifici, Camilla, Pérez-González, Pablo G., and Pforr, Janine. 2016. "Breaking the Curve with CANDELS: A Bayesian Approach to Reveal the Non-Universality of the Dust-Attenuation Law at High Redshift." The Astrophysical Journal 827:20. https://doi.org/10.3847/0004-637X/827/1/20 2016
    • Wang, T., Elbaz, D., Schreiber, C., Pannella, M., Shu, X., Willner, Steven P., Ashby, Matthew L. N., Huang, J. -S, Fontana, A., Dekel, A., Daddi, E., Ferguson, H. C., Dunlop, J., Ciesla, L., Koekemoer, A. M., Giavalisco, M., Boutsia, K., Finkelstein, S., Juneau, S., Barro, G., Koo, D. C., Michalowski, M. J., Orellana, G., Lu, Y., Castellano, M. et al. 2016. "Infrared Color Selection of Massive Galaxies at z > 3." The Astrophysical Journal 816:84. https://doi.org/10.3847/0004-637X/816/2/84 2016
    • Westhues, Christian, Haas, Martin, Barthel, Peter, Wilkes, Belinda J., Willner, Steven P., Kuraszkiewicz, Joanna, Podigachoski, Pece, Leipski, Christian, Meisenheimer, Klaus, Siebenmorgen, Ralf, and Chini, Rolf. 2016. "Star Formation in 3CR Radio Galaxies and Quasars at z < 1." The Astronomical Journal 151:120. https://doi.org/10.3847/0004-6256/151/5/120 2016
    • Guo, Yicheng, Rafelski, Marc, Faber, S. M., Koo, David C., Krumholz, Mark R., Trump, Jonathan R., Willner, S. P., Amorín, Ricardo, Barro, Guillermo, Bell, Eric F., Gardner, Jonathan P., Gawiser, Eric, Hathi, Nimish P., Koekemoer, Anton M., Pacifici, Camilla, Pérez-González, Pablo G., Ravindranath, Swara, Reddy, Naveen, Teplitz, Harry I., and Yesuf, Hassen. 2016. "The Bursty Star Formation Histories of Low-mass Galaxies at 0.4 < z < 1 Revealed by Star Formation Rates Measured From Hß and FUV." The Astrophysical Journal 833:37. https://doi.org/10.3847/1538-4357/833/1/37 2016
    • Song, Mimi, Finkelstein, Steven L., Ashby, Matthew L. N., Grazian, A., Lu, Yu, Papovich, Casey, Salmon, Brett, Somerville, Rachel S., Dickinson, Mark, Duncan, K., Faber, Sandy M., Fazio, Giovanni G., Ferguson, Henry C., Fontana, Adriano, Guo, Yicheng, Hathi, Nimish, Lee, Seong-Kook, Merlin, Emiliano, and Willner, Steven P. 2016. "The Evolution of the Galaxy Stellar Mass Function at z = 4–8: A Steepening Low-mass-end Slope with Increasing Redshift." The Astrophysical Journal 825:5. https://doi.org/10.3847/0004-637X/825/1/5 2016
    • Finkelstein, Steven L., Song, Mimi, Behroozi, Peter, Somerville, Rachel S., Papovich, Casey, Milosavljevic, Miloš, Dekel, Avishai, Narayanan, Desika, Ashby, Matthew L. N., Cooray, Asantha, Fazio, Giovanni G., Ferguson, Henry C., Koekemoer, Anton M., Salmon, Brett, and Willner, Steven P. 2015. "An Increasing Stellar Baryon Fraction in Bright Galaxies at High Redshift." The Astrophysical Journal 814:95. https://doi.org/10.1088/0004-637X/814/2/95 2015
    • Mortlock, Alice, Conselice, Christopher J., Hartley, William G., Duncan, Ken, Lani, Caterina, Ownsworth, Jamie R., Almaini, Omar, Wel, Arjen van der, Huang, Kuang-Han, Ashby, Matthew L. N., Willner, Steven P., Fontana, Adriano, Dekel, Avishai, Koekemoer, Anton M., Ferguson, Harry C., Faber, Sandra M., Grogin, Norman A., and Kocevski, Dale D. 2015. "Deconstructing the galaxy stellar mass function with UKIDSS and CANDELS: the impact of colour, structure and environment." Monthly Notices of the Royal Astronomical Society 447:2-24. https://doi.org/10.1093/mnras/stu2403 2015
    • Smit, Renske, Bouwens, Rychard J., Franx, Marijn, Oesch, Pascal A., Ashby, Matthew L. N., Willner, Steven P., Labbé, Ivo, Holwerda, Benne, Fazio, Giovanni G., and Huang, J. -S. 2015. "High-precision Photometric Redshifts from Spitzer/IRAC: Extreme [3.6] - [4.5] Colors Identify Galaxies in the Redshift Range z ˜ 6.6 - 6.9." The Astrophysical Journal 801:122. https://doi.org/10.1088/0004-637X/801/2/122 2015
    • Hemachandra, D., Barmby, P., Peeters, E., Willner, Steven P., Ashby, Matthew L. N., Smith, H. A., Gordon, K. D., Smith, D. A., and Fazio, Giovanni G. 2015. "Mid-infrared spectroscopy of the Andromeda galaxy." Monthly Notices of the Royal Astronomical Society 454:818-830. https://doi.org/10.1093/mnras/stv2001 2015
    • Ashby, Matthew L. N., Willner, Steven P., Fazio, Giovanni G., Dunlop, J. S., Egami, E., Faber, S. M., Ferguson, H. C., Grogin, N. A., Hora, Joseph L., Huang, J. -S, Koekemoer, A. M., Labbé, I., and Wang, Z. 2015. "S-CANDELS: The Spitzer-Cosmic Assembly Near-Infrared Deep Extragalactic Survey. Survey Design, Photometry, and Deep IRAC Source Counts." The Astrophysical Journal Supplement Series 218:33. https://doi.org/10.1088/0067-0049/218/2/33 2015
    • Podigachoski, P., Barthel, P. D., Haas, M., Leipski, C., Wilkes, Belinda J., Kuraszkiewicz, J., Westhues, C., Willner, Steven P., Ashby, Matthew L. N., Chini, R., Clements, D. L., Fazio, Giovanni G., Labiano, A., Lawrence, C., Meisenheimer, K., Peletier, R. F., Siebenmorgen, R., and Verdoes Kleijn, G. 2015. "Star formation in z > 1 3CR host galaxies as seen by Herschel." Astronomy and Astrophysics 575:A80. https://doi.org/10.1051/0004-6361/201425137 2015
    • Santini, P., Ferguson, H. C., Fontana, A., Mobasher, B., Barro, G., Castellano, M., Finkelstein, S. L., Grazian, A., Hsu, L. T., Lee, B., Lee, S. -K, Pforr, J., Salvato, M., Wiklind, T., Wuyts, S., Almaini, O., Cooper, M. C., Galametz, A., Weiner, B., Amorin, R., Boutsia, K., Conselice, C. J., Dahlen, T., Dickinson, M. E., Giavalisco, M. et al. 2015. "Stellar Masses from the CANDELS Survey: The GOODS-South and UDS Fields." The Astrophysical Journal 801:97. https://doi.org/10.1088/0004-637X/801/2/97 2015
    • Finkelstein, Steven L., Ryan, Russell E., Jr., Papovich, Casey, Dickinson, Mark, Song, Mimi, Somerville, Rachel S., Ferguson, Henry C., Salmon, Brett, Giavalisco, Mauro, Koekemoer, Anton M., Ashby, Matthew L. N., Behroozi, Peter, Castellano, Marco, Dunlop, James S., Faber, Sandy M., Fazio, Giovanni G., Fontana, Adriano, Grogin, Norman A., Hathi, Nimish, Jaacks, Jason, Kocevski, Dale D., Livermore, Rachael, McLure, Ross J., Merlin, Emiliano, Mobasher, Bahram et al. 2015. "The Evolution of the Galaxy Rest-frame Ultraviolet Luminosity Function over the First Two Billion Years." The Astrophysical Journal 810:71. https://doi.org/10.1088/0004-637X/810/1/71 2015
    • Brassington, N. J., Zezas, Andreas, Ashby, Matthew L. N., Lanz, L., Smith, Howard A., Willner, Steven P., and Klein, C. 2015. "The Spitzer Interacting Galaxies Survey: A Mid-infrared Atlas of Star Formation." The Astrophysical Journal Supplement Series 218:6. https://doi.org/10.1088/0067-0049/218/1/6 2015
    • Papovich, C., Labbé, I., Quadri, R., Tilvi, V., Behroozi, P., Bell, E. F., Glazebrook, K., Spitler, L., Straatman, C. M. S., Tran, K. -V, Cowley, M., Davé, R., Dekel, A., Dickinson, M., Ferguson, H. C., Finkelstein, S. L., Gawiser, E., Inami, H., Faber, S. M., Kacprzak, G. G., Kawinwanichakij, L., Kocevski, D., Koekemoer, A., Koo, D. C., Kurczynski, P. et al. 2015. "ZFOURGE/CANDELS: On the Evolution of M* Galaxy Progenitors from z = 3 to 0.5." The Astrophysical Journal 803:26. https://doi.org/10.1088/0004-637X/803/1/26 2015
    • Haas, Martin, Leipski, Christian, Barthel, Peter, Wilkes, Belinda J., Vegetti, Simona, Bussmann, R. Shane, Willner, Steven P., Westhues, Christian, Ashby, Matthew L. N., Chini, Rolf, Clements, David L., Fassnacht, Christopher D., Horesh, Assaf, Klaas, Ulrich, Koopmans, Léon V. E., Kuraszkiewicz, Joanna, Lagattuta, David J., Meisenheimer, Klaus, Stern, Daniel, and Wylezalek, Dominika. 2014. "3C 220.3: A Radio Galaxy Lensing a Submillimeter Galaxy." The Astrophysical Journal 790:46. https://doi.org/10.1088/0004-637X/790/1/46 2014
    • Nayyeri, H., Mobasher, B., Hemmati, S., De Barros, S., Ferguson, H. C., Wiklind, T., Dahlen, T., Dickinson, M., Giavalisco, M., Fontana, A., Ashby, Matthew L. N., Barro, G., Guo, Y., Hathi, N. P., Kassin, S., Koekemoer, A., Willner, Steven P., Dunlop, J. S., Paris, D., and Targett, T. A. 2014. "A Study of Massive and Evolved Galaxies at High Redshift." The Astrophysical Journal 794:68. https://doi.org/10.1088/0004-637X/794/1/68 2014
    • Maragkoudakis, A., Zezas, Andreas, Ashby, Matthew L. N., and Willner, Steven P. 2014. "Aperture effects on spectroscopic galaxy activity classification." Monthly Notices of the Royal Astronomical Society 441:2296-2308. https://doi.org/10.1093/mnras/stu634 2014
    • Barro, G., Faber, S. M., Pérez-González, P. G., Pacifici, C., Trump, J. R., Koo, D. C., Wuyts, S., Guo, Y., Bell, E., Dekel, A., Porter, L., Primack, J., Ferguson, H., Ashby, Matthew L. N., Caputi, K., Ceverino, D., Croton, D., Fazio, Giovanni G., Giavalisco, M., Hsu, L., Kocevski, D., Koekemoer, A., Kurczynski, P., Kollipara, P., Lee, J. et al. 2014. "CANDELS 3D-HST: Compact SFGs at z ~ 2-3, the Progenitors of the First Quiescent Galaxies." The Astrophysical Journal 791:52. https://doi.org/10.1088/0004-637X/791/1/52 2014
    • Hsu, Li-Ting, Salvato, Mara, Nandra, Kirpal, Brusa, Marcella, Bender, Ralf, Buchner, Johannes, Donley, Jennifer L., Kocevski, Dale D., Guo, Yicheng, Hathi, Nimish P., Rangel, Cyprian, Willner, Steven P., Brightman, Murray, Georgakakis, Antonis, Budavári, Tamás, Szalay, Alexander S., Ashby, Matthew L. N., Barro, Guillermo, Dahlen, Tomas, Faber, Sandra M., Ferguson, Henry C., Galametz, Audrey, Grazian, Andrea, Grogin, Norman A., Huang, Kuang-Han et al. 2014. "CANDELS/GOODS-S, CDFS, and ECDFS: Photometric Redshifts for Normal and X-Ray- Detected Galaxies." The Astrophysical Journal 796:60. https://doi.org/10.1088/0004-637X/796/1/60 2014
    • Yan, Haojing, Stefanon, Mauro, Ma, Zhiyuan, Willner, Steven P., Somerville, Rachel, Ashby, Matthew L. N., Davé, Romeel, Pérez-González, Pablo G., Cava, Antonio, Wiklind, Tommy, Kocevski, Dale, Rafelski, Marc, Kartaltepe, Jeyhan, Cooray, Asantha, Koekemoer, Anton M., and Grogin, Norman A. 2014. "Optical-faint, Far-infrared-bright Herschel Sources in the CANDELS Fields: Ultra-luminous Infrared Galaxies at z > 1 and the Effect of Source Blending." The Astrophysical Journal Supplement Series 213:2. https://doi.org/10.1088/0067-0049/213/1/2 2014
    • Fang, Guanwen, Huang, Jia-Sheng, Willner, Steven P., Kong, Xu, Wang, Tao, Chen, Yang, and Lin, Xuanbin. 2014. "Selection and Mid-infrared Spectroscopy of Ultraluminous Star-forming Galaxies at z ~ 2." The Astrophysical Journal 781:63. https://doi.org/10.1088/0004-637X/781/2/63 2014
    • Hora, Joseph L., Witzel, G., Ashby, Matthew L. N., Becklin, E. E., Carey, S., Fazio, Giovanni G., Ghez, A., Ingalls, J., Meyer, L., Morris, M. R., Smith, H. A., and Willner, Steven P. 2014. "Spitzer/IRAC Observations of the Variability of Sgr A* and the Object G2 at 4.5 ?m." The Astrophysical Journal 793:120. https://doi.org/10.1088/0004-637X/793/2/120 2014
    • Song, Mimi, Finkelstein, Steven L., Gebhardt, Karl, Hill, Gary J., Drory, Niv, Ashby, Matthew L. N., Blanc, Guillermo A., Bridge, Joanna, Chonis, Taylor, Ciardullo, Robin, Fabricius, Maximilian, Fazio, Giovanni G., Gawiser, Eric, Gronwall, Caryl, Hagen, Alex, Huang, Jia-Sheng, Jogee, Shardha, Livermore, Rachael, Salmon, Brett, Schneider, Donald P., Willner, Steven P., and Zeimann, Gregory R. 2014. "The HETDEX Pilot Survey. V. The Physical Origin of Lya Emitters Probed by Near-infrared Spectroscopy." The Astrophysical Journal 791:3. https://doi.org/10.1088/0004-637X/791/1/3 2014
    • Oesch, P. A., Bouwens, R. J., Illingworth, G. D., Labbé, I., Smit, R., Franx, M., van Dokkum, P. G., Momcheva, I., Ashby, Matthew L. N., Fazio, Giovanni G., Huang, J. -S, Willner, Steven P., Gonzalez, V., Magee, D., Trenti, M., Brammer, G. B., Skelton, R. E., and Spitler, L. R. 2014. "The Most Luminous z ~ 9-10 Galaxy Candidates Yet Found: The Luminosity Function, Cosmic Star-formation Rate, and the First Mass Density Estimate at 500 Myr." The Astrophysical Journal 786:108. https://doi.org/10.1088/0004-637X/786/2/108 2014
    • Goulding, A. D., Forman, W. R., Hickox, R. C., Jones, C., Murray, Stephen S., Paggi, A., Ashby, Matthew L. N., Coil, A. L., Cooper, M. C., Huang, J. -S, Kraft, R., Newman, J. A., Weiner, B. J., and Willner, Steven P. 2014. "Tracing the Evolution of Active Galactic Nuclei Host Galaxies over the Last 9 Gyr of Cosmic Time." The Astrophysical Journal 783:40. https://doi.org/10.1088/0004-637X/783/1/40 2014
    • Finkelstein, S. L., Papovich, C., Dickinson, M., Song, M., Tilvi, V., Koekemoer, A. M., Finkelstein, K. D., Mobasher, B., Ferguson, H. C., Giavalisco, M., Reddy, N., Ashby, Matthew L. N., Dekel, A., Fazio, Giovanni G., Fontana, A., Grogin, N. A., Huang, J. -S, Kocevski, D., Rafelski, M., Weiner, B. J., and Willner, Steven P. 2013. "A galaxy rapidly forming stars 700 million years after the Big Bang at redshift 7.51." Nature 502:524-527. https://doi.org/10.1038/nature12657 2013
    • Ouchi, Masami, Ellis, Richard, Ono, Yoshiaki, Nakanishi, Kouichiro, Kohno, Kotaro, Momose, Rieko, Kurono, Yasutaka, Ashby, Matthew L. N., Shimasaku, Kazuhiro, Willner, Steven P., Fazio, Giovanni G., Tamura, Yoichi, and Iono, Daisuke. 2013. "An Intensely Star-forming Galaxy at z ~ 7 with Low Dust and Metal Content Revealed by Deep ALMA and HST Observations." The Astrophysical Journal 778 (2):102. https://doi.org/10.1088/0004-637X/778/2/102 2013
    • Guo, Yicheng, Ferguson, Henry C., Giavalisco, Mauro, Barro, Guillermo, Willner, Steven P., Ashby, Matthew L. N., Dahlen, Tomas, Donley, Jennifer L., Faber, Sandra M., Fontana, Adriano, Galametz, Audrey, Grazian, Andrea, Huang, Kuang-Han, Kocevski, Dale D., Koekemoer, Anton M., Koo, David C., McGrath, Elizabeth J., Peth, Michael, Salvato, Mara, Wuyts, Stijn, Castellano, Marco, Cooray, Asantha R., Dickinson, Mark E., Dunlop, James S., Fazio, Giovanni G. et al. 2013. "CANDELS Multi-wavelength Catalogs: Source Detection and Photometry in the GOODS-South Field." The Astrophysical Journal Supplement Series 207:24. https://doi.org/10.1088/0067-0049/207/2/24 2013
    • Galametz, Audrey, Grazian, Andrea, Fontana, Adriano, Ferguson, Henry C., Ashby, Matthew L. N., Barro, Guillermo, Castellano, Marco, Dahlen, Tomas, Donley, Jennifer L., Faber, Sandy M., Grogin, Norman, Guo, Yicheng, Huang, Kuang-Han, Kocevski, Dale D., Koekemoer, Anton M., Lee, Kyoung-Soo, McGrath, Elizabeth J., Peth, Michael, Willner, Steven P., Almaini, Omar, Cooper, Michael, Cooray, Asantha, Conselice, Christopher J., Dickinson, Mark, Dunlop, James S. et al. 2013. "CANDELS Multiwavelength Catalogs: Source Identification and Photometry in the CANDELS UKIDSS Ultra-deep Survey Field." The Astrophysical Journal Supplement Series 206:10. https://doi.org/10.1088/0067-0049/206/2/10 2013
    • Tilvi, V., Papovich, C., Tran, K. -V H., Labbé, I., Spitler, L. R., Straatman, C. M. S., Persson, S. E., Monson, A., Glazebrook, K., Quadri, R. F., van Dokkum, P., Ashby, Matthew L. N., Faber, S. M., Fazio, Giovanni G., Finkelstein, S. L., Ferguson, H. C., Grogin, N. A., Kacprzak, G. G., Kelson, D. D., Koekemoer, A. M., Murphy, D., McCarthy, P. J., Newman, J. A., Salmon, B., and Willner, Steven P. 2013. "Discovery of Lyman Break Galaxies at z ~ 7 from the zFourGE Survey." The Astrophysical Journal 768:56. https://doi.org/10.1088/0004-637X/768/1/56 2013
    • Huang, J. -S, Faber, S. M., Willmer, C. N. A., Rigopoulou, D., Koo, D., Newman, J., Shu, C., Ashby, Matthew L. N., Barmby, P., Coil, A., Luo, Z., Magdis, G., Wang, T., Weiner, B., Willner, Steven P., Zheng, X. Z., and Fazio, Giovanni G. 2013. "Multi-Wavelength Study of a Complete IRAC 3.6 µm Selected Galaxy Sample: A Fair Census of Red and Blue Populations at Redshifts 0.4-1.2." The Astrophysical Journal 766:21. https://doi.org/10.1088/0004-637X/766/1/21 2013
    • Wilkes, Belinda J., Kuraszkiewicz, Joanna, Haas, Martin, Barthel, Peter, Leipski, Christian, Willner, Steven P., Worrall, D. M., Birkinshaw, Mark, Antonucci, Robert, Ashby, Matthew L. N., Chini, Rolf, Fazio, Giovanni G., Lawrence, Charles, Ogle, Patrick, and Schulz, Bernhard. 2013. "Revealing the Heavily Obscured Active Galactic Nucleus Population of High-redshift 3CRR Sources with Chandra X-Ray Observations." The Astrophysical Journal 773:15. https://doi.org/10.1088/0004-637X/773/1/15 2013
    • Ashby, Matthew L. N., Willner, Steven P., Fazio, Giovanni G., Huang, J. -S, Arendt, R., Barmby, P., Barro, G., Bell, E. F., Bouwens, R., Cattaneo, A., Croton, D., Davé, R., Dunlop, J. S., Egami, E., Faber, S., Finlator, K., Grogin, N. A., Guhathakurta, P., Hernquist, L., Hora, Joseph L., Illingworth, G., Kashlinsky, A., Koekemoer, A. M., Koo, D. C., Labbé, I. et al. 2013. "SEDS: The Spitzer Extended Deep Survey. Survey Design, Photometry, and Deep IRAC Source Counts." The Astrophysical Journal, 769 80. https://doi.org/10.1088/0004-637X/769/1/80. 2013
    • Curtis-Lake, E., McLure, R. J., Dunlop, J. S., Schenker, M., Rogers, A. B., Targett, T., Cirasuolo, M., Almaini, O., Ashby, Matthew L. N., Bradshaw, E. J., Finkelstein, S. L., Dickinson, M., Ellis, R. S., Faber, S. M., Fazio, Giovanni G., Ferguson, H. C., Fontana, A., Grogin, N. A., Hartley, W. G., Kocevski, D. D., Koekemoer, A. M., Lai, K., Robertson, B. E., Vanzella, E., and Willner, Steven P. 2013. "The ages, masses and star formation rates of spectroscopically confirmed z ˜ 6 galaxies in CANDELS." Monthly Notices of the Royal Astronomical Society 429:302-322. https://doi.org/10.1093/mnras/sts338 2013
    • Juneau, Stéphanie, Dickinson, Mark, Bournaud, Frédéric, Alexander, David M., Daddi, Emanuele, Mullaney, James R., Magnelli, Benjamin, Kartaltepe, Jeyhan S., Hwang, Ho Seong, Willner, Steven P., Coil, Alison L., Rosario, David J., Trump, Jonathan R., Weiner, Benjamin J., Willmer, Christopher N. A., Cooper, Michael C., Elbaz, David, Faber, S. M., Frayer, David T., Kocevski, Dale D., Laird, Elise S., Monkiewicz, Jacqueline A., Nandra, Kirpal, Newman, Jeffrey A., Salim, Samir et al. 2013. "Widespread and Hidden Active Galactic Nuclei in Star-forming Galaxies at Redshift >0.3." The Astrophysical Journal 764:176. https://doi.org/10.1088/0004-637X/764/2/176 2013
    • Willner, Steven P., Ashby, Matthew L. N., Barmby, P., Chapman, S. C., Coil, A. L., Cooper, M. C., Huang, J. -S, Ivison, R., and Koo, D. C. 2012. "A Fully Identified Sample of AEGIS20 Microjansky Radio Sources." The Astrophysical Journal 756:72. https://doi.org/10.1088/0004-637X/756/1/72 2012
    • Wilkes, Belinda J., Lal, Dharam V., Worrall, D. M., Birkinshaw, Mark, Haas, Martin, Willner, Steven P., Antonucci, Robert, Ashby, Matthew L. N., Avara, Mark, Barthel, Peter, Chini, Rolf, Fazio, Giovanni G., Hardcastle, Martin J., Lawrence, Charles, Leipski, Christian, Ogle, Patrick, and Schulz, Bernhard. 2012. "Chandra X-Ray Observations of the Redshift 1.53 Radio-loud Quasar 3C 270.1.." The Astrophysical Journal 745 (1):https://doi.org/10.1088/0004-637X/745/1/84 2012
    • Sazonov, S., Willner, Steven P., Goulding, A. D., Hickox, R. C., Gorjian, V., Werner, M. W., Churazov, E., Krivonos, R., Revnivtsev, M., Sunyaev, R., Jones, C., Murray, Stephen S., Vikhlinin, Alexey A., Fabian, A. C., and Forman, W. R. 2012. "Contribution of the Accretion Disk, Hot Corona, and Obscuring Torus to the Luminosity of Seyfert Galaxies: INTEGRAL and Spitzer Observations." The Astrophysical Journal 757:181. https://doi.org/10.1088/0004-637X/757/2/181 2012
    • Yan, Renbin, Ho, Luis C., Newman, Jeffrey A., Coil, Alison L., Willmer, Christopher N. A., Laird, Elise S., Georgakakis, Antonis, Aird, James, Barmby, Pauline, Bundy, Kevin, Cooper, Michael C., Davis, Marc, Faber, S. M., Fang, Taotao, Griffith, Roger L., Koekemoer, Anton M., Koo, David C., Nandra, Kirpal, Park, Shinae Q., Sarajedini, Vicki L., Weiner, Benjamin J., and Willner, Steven P. 2011. "AEGIS: Demographics of X-ray and Optically Selected Active Galactic Nuclei." The Astrophysical Journal, 728, (1) 38. https://doi.org/10.1088/0004-637X/728/1/38. 2011
    • Ashby, Matthew L. N., Mahajan, S., Smith, Howard A., Willner, Steven P., Fazio, Giovanni G., Raychaudhury, S., Zezas, Andreas, Barmby, P., Bonfini, P., Cao, C., Gonzáález-Alfonso, E., Ishihara, D., Kaneda, H., Lyttle, V., Madden, S., Papovich, C., Sturm, E., Surace, J., Wu, H., and Zhu, Y. N. 2011. "The Star Formation Reference Survey. I. Survey Description and Basic Data." Publications of the Astronomical Society of the Pacific 123 (907):1011-1029. https://doi.org/10.1086/661920 2011
    • Park, S. Q., Barmby, Pauline, Willner, Steven P., Ashby, Matthew L. N., Fazio, Giovanni G., Georgakakis, A., Ivison, R. J., Konidaris, N. P., Miyazaki, S., Nandra, K., and Rosario, D. J. 2010. "AEGIS: A Multiwavelength Study of Spitzer Power-law Galaxies." The Astrophysical Journal 717:1181-1201. 2010
    • Smith, Howard A., Li, Aigen, Li, M. P., Köhler, M., Ashby, Matthew L. N., Fazio, Giovanni G., Huang, J. -S, Marengo, Massimo, Wang, Z., Willner, Steven P., Zezas, Andreas, Spinoglio, L., and Wu, Y. L. 2010. "Anomalous Silicate Dust Emission in the Type 1 Liner Nucleus of M81." The Astrophysical Journal 716:490-503. https://doi.org/10.1088/0004-637X/716/1/490 2010
    • Leipski, C., Haas, M., Willner, Steven P., Ashby, Matthew L. N., Wilkes, Belinda J., Fazio, Giovanni G., Antonucci, R., Barthel, P., Chini, R., Siebenmorgen, R., Ogle, P., and Heymann, F. 2010. "Mid-infrared Spectroscopy of High-redshift 3CRR Sources." The Astrophysical Journal 717:766-775. 2010
    • Kozlowski, Szymon, Kochanek, Christopher S., Stern, Daniel, Ashby, Matthew L. N., Assef, Roberto J., Bock, J. J., Borys, C., Brand, Kate, Brodwin, Mark, Brown, Michael J. I., Cool, R., Cooray, A., Croft, S., Dey, Arjun, Eisenhardt, P. R., Gonzalez, A., Gorjian, V., Griffith, R., Grogin, N., Ivison, R., Jacob, J., Jannuzi, B. T., Mainzer, A., Moustakas, L., Röttgering, H. et al. 2010. "Mid-infrared Variability from the Spitzer Deep Wide-field Survey." The Astrophysical Journal 716:530-543. https://doi.org/10.1088/0004-637X/716/1/530 2010
    • De Breuck, Carlos, Seymour, Nick, Stern, Daniel, Willner, Steven P., Eisenhardt, P. R. M., Fazio, Giovanni G., Galametz, Audrey, Lacy, Mark, Rettura, Alessandro, Rocca-Volmerange, Brigitte, and Vernet, Joël. 2010. "The Spitzer High-redshift Radio Galaxy Survey." The Astrophysical Journal 725:36-62. https://doi.org/10.1088/0004-637X/725/1/36 2010
    • Haas, Martin, Willner, Steven P., Heymann, Frank, Ashby, Matthew L. N., Fazio, Giovanni G., Wilkes, Belinda J., Chini, Rolf, Siebenmorgen, Ralf, and Stern, Daniel. 2009. "Clustering of Red Galaxies Around the z = 1.53 Quasar 3C 270.1." The Astrophysical Journal 695:724-731. https://doi.org/10.1088/0004-637X/695/1/724 2009
    • Huang, J. -S, Faber, S. M., Daddi, E., Laird, E. S., Lai, K., Omont, A., Wu, Y., Younger, J. D., Bundy, K., Cattaneo, A., Chapman, S. C., Conselice, C. J., Dickinson, M., Egami, E., Fazio, Giovanni G., Im, M., Koo, D., LeFloc'h, E., Papovich, C., Rigopoulou, D., Smail, I., Song, M., Van, de Werf, Webb, T. M. A., Willmer, C. N. A. et al. 2009. "Infrared Spectrograph Spectroscopy and Multi-Wavelength Study of Luminous Star-Forming Galaxies at z sime 1.9." The Astrophysical Journal 700:183-198. 2009
    • Devereux, Nick, Willner, Steven P., Ashby, Matthew L. N., Willmer, C. N. A., and Hriljac, Paul. 2009. "Nearby Galaxies in the 2 µm All Sky Survey. I. K-Band Luminosity Functions." The Astrophysical Journal 702:955-969. 2009
    • Khan, Sophia A., Chanial, Pierre F., Willner, Steven P., Pearson, Chris P., Ashby, Matthew L. N., Benford, Dominic J., Clements, David L., Dye, Simon, Farrah, Duncan, Fazio, Giovanni G., Huang, J. -S, Lebouteiller, V., Le Floc'h, Emeric, Mainetti, Gabriele, Moseley, S. Harvey, Negrello, Mattia, Serjeant, Stephen, Shafer, Richard A., Staguhn, Johannes, Sumner, Timothy J., and Vaccari, Mattia. 2009. "On the Nature of the First Galaxies Selected at 350 μm." The Astrophysical Journal 706:319-327. https://doi.org/10.1088/0004-637X/706/1/319 2009
    • Desai, Vandana, Soifer, B. T., Dey, Arjun, LeFloc'h, Emeric, Armus, Lee, Brand, Kate, Brown, Michael J. I., Brodwin, Mark, Jannuzi, Buell T., Houck, James R., Weedman, Daniel W., Ashby, Matthew L. N., Gonzalez, Anthony, Huang, Jiasheng, Smith, Howard A., Teplitz, Harry, Willner, Steven P., and Melbourne, Jason. 2009. "Strong Polycyclic Aromatic Hydrocarbon Emission from z ≈ 2 ULIRGs." The Astrophysical Journal 700:1190-1204. https://doi.org/10.1088/0004-637X/700/2/1190 2009
    • Ashby, Matthew L. N., Stern, D., Brodwin, Mark, Griffith, R., Eisenhardt, P., Kozłowski, S., Kochanek, C. S., Bock, J. J., Borys, C., Brand, Kate, Brown, Michael J. I., Cool, R., Cooray, A., Croft, S., Dey, A., Eisenstein, D., Gonzalez, A. H., Gorjian, V., Grogin, N. A., Ivison, R. J., Jacob, J., Jannuzi, B. T., Mainzer, A., Moustakas, L. A., Röttgering, H. J. A. et al. 2009. "The Spitzer Deep, Wide-field Survey." The Astrophysical Journal 701:428-453. https://doi.org/10.1088/0004-637X/701/1/428 2009
    • Barmby, Pauline, Huang, J. -S, Ashby, Matthew L. N., Eisenhardt, P. R. M., Fazio, Giovanni G., Willner, Steven P., and Wright, E. L. 2008. "A Catalog of Mid-Infrared Sources in the Extended Groth Strip." The Astrophysical Journal Supplement Series 177:431-445. https://doi.org/10.1086/588583 2008
    • Mould, Jeremy, Barmby, Pauline, Gordon, Karl, Willner, Steven P., Ashby, Matthew L. N., Gehrz, R. D., Humphreys, Roberta, and Woodward, Charles E. 2008. "A Point-Source Survey of M31 with the Spitzer Space Telescope." The Astrophysical Journal 687:230-241. 2008
    • Dey, Arjun, Soifer, B. T., Desai, Vandana, Brand, Kate, Le Floc'h, Emeric, Brown, Michael J. I., Jannuzi, Buell T., Armus, Lee, Bussmann, Shane, Brodwin, Mark, Bian, Chao, Eisenhardt, Peter, Higdon, Sarah J., Weedman, Daniel, and Willner, Steven P. 2008. "A Significant Population of Very Luminous Dust-Obscured Galaxies at Redshift z ~ 2." The Astrophysical Journal 677:943-956. https://doi.org/10.1086/529516 2008
    • Park, S. Q., Barmby, Pauline, Fazio, Giovanni G., Nandra, K., Laird, E. S., Georgakakis, A., Rosario, D., Willner, Steven P., Rieke, G. H., Ashby, Matthew L. N., Ivison, R. J., Coil, A. L., and Miyazaki, S. 2008. "AEGIS: Radio and Mid-Infrared Selection of Obscured AGN Candidates." The Astrophysical Journal 678:744-750. https://doi.org/10.1086/587136 2008
    • Rosenberg, J. L., Wu, Yanling, Le Floc'h, Emeric, Charmandaris, Vassilis, Ashby, Matthew L. N., Houck, J. R., Salzer, J. J., and Willner, Steven P. 2008. "Dust Properties and Star Formation Rates in Star-Forming Dwarf Galaxies." The Astrophysical Journal 674:814-830. 2008
    • Magdis, G. E., Rigopoulou, D., Huang, Jau-Shyang, Fazio, Giovanni G., Willner, Steven P., and Ashby, Matthew L. N. 2008. "IRAC photometric analysis and the mid-IR photometric properties of Lyman-break galaxies." Monthly Notices of the Royal Astronomical Society, 386 11–21. https://doi.org/10.1111/j.1365-2966.2008.13020.x. 2008
    • Ivison, R. J., Morrison, G. E., Biggs, A. D., Smail, Ian, Willner, Steven P., Gurwell, Mark A., Greve, T. R., Stevens, J. A., and Ashby, Matthew L. N. 2008. "Interferometric imaging of the high-redshift radio galaxy, 4C60.07: an SMA, Spitzer and VLA study reveals a binary AGN/starburst." Monthly Notices of the Royal Astronomical Society 390:1117-1126. 2008
    • Seymour, N., Ogle, P., de Breuck, C., Fazio, Giovanni G., Galametz, A., Haas, M., Lacy, M., Sajina, A., Stern, D., Willner, Steven P., and Vernet, J. 2008. "Mid-Infrared Spectra of High-Redshift (z > 2) Radio Galaxies." The Astrophysical Journal Letters, 681 L1–L4. https://doi.org/10.1086/590081. 2008
    • Haas, Martin, Willner, Steven P., Heymann, Frank, Ashby, Matthew L. N., Fazio, Giovanni G., Wilkes, Belinda J., Chini, Rolf, and Siebenmorgen, Ralf. 2008. "Near- and Mid-Infrared Photometry of High-Redshift 3CR Sources." The Astrophysical Journal 688:122-127. 2008
    • Hora, Joseph L., Carey, Sean, Surace, Jason, Marengo, Massimo, Lowrance, Patrick, Glaccum, William J., Lacy, Mark, Reach, William T., Hoffmann, William F., Barmby, Pauline, Willner, Steven P., Fazio, Giovanni G., Megeath, S. Thomas, Allen, Lori E., Bhattacharya, Bidushi, and Quijada, Manuel. 2008. "Photometry using the Infrared Array Camera on the Spitzer Space Telescope." Publications of the Astronomical Society of the Pacific 120:1233-1243. 2008
    • Higdon, J. L., Higdon, S. J. U., Willner, Steven P., Brown, Michael J. I., Stern, D., Le Floc'h, E., and Eisenhardt, P. 2008. "Radio and Infrared Selected Optically Invisible Sources in the Botes NDWFS." The Astrophysical Journal 688:885-904. 2008
    • Croft, Steve, van Breugel, Wil, Brown, Michael J. I., de Vries, Wim, Dey, Arjun, Eisenhardt, Peter, Jannuzi, Buell, Röttgering, Huub, Stanford, S. A., Stern, Daniel, and Willner, Steven P. 2008. "Radio-Loud High-Redshift Protogalaxy Candidates in BOÖTES." The Astronomical Journal 135:1793-1802. https://doi.org/10.1088/0004-6256/135/5/1793 2008
    • Gorjian, V., Brodwin, Mark, Kochanek, C. S., Murray, Stephen S., Stern, D., Brand, Kate, Eisenhardt, P. R., Ashby, Matthew L. N., Barmby, Pauline, Brown, Michael J. I., Dey, A., Forman, William R., Jannuzi, B. T., Jones, C., Kenter, A. T., Pahre, M. A., Shields, J. C., Werner, M. W., and Willner, Steven P. 2008. "The Mid-Infrared Properties of X-Ray Sources." The Astrophysical Journal 679:1040-1046. 2008
    • Symeonidis, M., Willner, Steven P., Rigopoulou, D., Huang, Jau-Shyang, Fazio, Giovanni G., and Jarvis, M. J. 2008. "The properties of 70 μm-selected high-redshift galaxies in the Extended Groth Strip." Monthly Notices of the Royal Astronomical Society 385:1015-1028. https://doi.org/10.1111/j.1365-2966.2008.12899.x 2008
    • Georgakakis, A., Nandra, K., Yan, R., Willner, Steven P., Lotz, J. M., Pierce, C. M., Cooper, M. C., Laird, E. S., Koo, D. C., Barmby, Pauline, Newman, J. A., Primack, J. R., and Coil, A. L. 2008. "The role of AGN in the colour transformation of galaxies at redshifts z ~ 1." Monthly Notices of the Royal Astronomical Society 385:2049-2060. https://doi.org/10.1111/j.1365-2966.2008.12962.x 2008
  • Maragkoudakis, A., Zezas, Andreas, Ashby, Matthew L. N., and Willner, Steven P. 2013. "Optical Spectroscopy for the Star Formation Reference Survey (SFRS)." from 11th Hellenic Astronomical Conference. 28–28. 2013

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