Geller, Margaret
Senior Astrophysicist
Extragalactic astronomy and cosmology; mapping the universe; the formation and history of galaxies like the Milky Way; matter distribution in the universe; structure of the Milky Way; black holes and hypervelocity stars
Background And Education
Education And Training
- A.B., University of California, Berkeley
- Ph.D., Princeton University
Awards And Honors
- Smithsonian Scholarly Studies Award, conferred by Smithsonian Scholarly Studies Awards, 2020
Research And Grants
Co-principal Investigator On
Publications
Selected Publications
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Article
- Pizzardo, Michele, Geller, Margaret J., Kenyon, Scott J., Damjanov, Ivana, and Diaferio, Antonaldo. 2023. "An IllustrisTNG view of the caustic technique for galaxy cluster mass estimation." Astronomy and Astrophysics, 675. https://doi.org/10.1051/0004-6361/202346545. 2023
- Pizzardo, Michele, Geller, Margaret J., Kenyon, Scott J., Damjanov, Ivana, and Diaferio, Antonaldo. 2023. "Galaxy cluster mass accretion rates from IllustrisTNG." Astronomy and Astrophysics, 680. https://doi.org/10.1051/0004-6361/202347470. 2023
- Sohn, Jubee, Geller, Margaret J., Hwang, Ho Seong, Fabricant, Daniel G., Utsumi, Yousuke, and Damjanov, Ivana. 2023. "HectoMAP: The Complete Redshift Survey (Data Release 2)." The Astrophysical Journal, 945 94. https://doi.org/10.3847/1538-4357/acb925. 2023
- Damjanov, Ivana, Sohn, Jubee, Geller, Margaret J., Utsumi, Yousuke, and Dell'Antonio, Ian. 2023. "Size and Spectroscopic Evolution of HectoMAP Quiescent Galaxies." The Astrophysical Journal, 943 149. https://doi.org/10.3847/1538-4357/aca88f. 2023
- Rines, Kenneth J., Sohn, Jubee, Geller, Margaret J., and Diaferio, Antonaldo. 2022. "A Spectroscopic View of the JWST/GTO Strong Lensing Cluster A1489." The Astrophysical Journal, 930 156. https://doi.org/10.3847/1538-4357/ac67a8. 2022
- Sohn, Jubee, Geller, Margaret J., Vogelsberger, Mark, and Borrow, Josh. 2022. "IllustrisTNG Snapshots for 10 Gyr of Dynamical Evolution of Brightest Cluster Galaxies and Their Host Clusters." The Astrophysical Journal, 938 3. https://doi.org/10.3847/1538-4357/ac8f23. 2022
- Pizzardo, M., Di Gioia, S., Diaferio, A., De Boni, C., Serra, A. L., Geller, Margaret J., Sohn, Jubee, Rines, K., and Baldi, M. 2021. "Mass accretion rates of clusters of galaxies: CIRS and HeCS." Astronomy and Astrophysics, 646 A105. https://doi.org/10.1051/0004-6361/202038481. 2021
- Sohn, Jubee, Geller, Margaret J., Hwang, Ho Seong, Diaferio, Antonaldo, Rines, Kenneth J., and Utsumi, Yousuke. 2021. "The HectoMAP Cluster Survey: Spectroscopically Identified Clusters and their Brightest Cluster Galaxies (BCGs)." The Astrophysical Journal, 923 143. https://doi.org/10.3847/1538-4357/ac29c3. 2021
- Sohn, Jubee, Geller, Margaret J., Hwang, Ho Seong, Fabricant, Daniel G., Moran, Sean M., and Utsumi, Yousuke. 2021. "The HectoMAP Redshift Survey: First Data Release." The Astrophysical Journal, 909 129. https://doi.org/10.3847/1538-4357/abd9be. 2021
- Dell'Antonio, Ian, Sohn, Jubee, Geller, Margaret J., McCleary, Jacqueline, and von der Linden, Anja. 2020. "Spectroscopic Tomography: A First Weak-lensing Detection Using Spectroscopic Redshifts Only." The Astrophysical Journal, 903 64. https://doi.org/10.3847/1538-4357/abb5ab. 2020
- Sohn, Jubee, Fabricant, Daniel G., Geller, Margaret J., Hwang, Ho Seong, and Diaferio, Antonaldo. 2020. "The Velocity Dispersion Function for Quiescent Galaxies in Nine Strong-lensing Clusters." The Astrophysical Journal, 902 17. https://doi.org/10.3847/1538-4357/abb23b. 2020
- Utsumi, Yousuke, Geller, Margaret J., Zahid, Harus J., Sohn, Jubee, Dell'Antonio, Ian P., Kawanomoto, Satoshi, Komiyama, Yutaka, Koshida, Shintaro, and Miyazaki, Satoshi. 2020. "Velocity Dispersions of Massive Quiescent Galaxies from Weak Lensing and Spectroscopy." The Astrophysical Journal, 900 50. https://doi.org/10.3847/1538-4357/aba61c. 2020
- Sohn, Jubee, Geller, Margaret J., Zahid, H. Jabran, and Fabricant, Daniel G. 2019. "A Complete Spectroscopic Census of A2029: A Tale of Three Histories." The Astrophysical Journal, 872 192. https://doi.org/10.3847/1538-4357/ab0213. 2019
- Sohn, Jubee, Geller, Margaret J., and Zahid, H. Jabran. 2019. "A Spectroscopic Census of X-Ray Systems in the COSMOS Field." The Astrophysical Journal, 880 142. https://doi.org/10.3847/1538-4357/ab2b46. 2019
- Damjanov, Ivana, Zahid, H. Jabran, Geller, Margaret J., Utsumi, Yousuke, Sohn, Jubee, and Souchereau, Harrison. 2019. "Quiescent Galaxy Size and Spectroscopic Evolution: Combining HSC Imaging and Hectospec Spectroscopy." The Astrophysical Journal, 872 91. https://doi.org/10.3847/1538-4357/aaf97d. 2019
- Zahid, H. Jabran, Geller, Margaret J., Damjanov, Ivana, and Sohn, Jubee. 2019. "The Coevolution of Massive Quiescent Galaxies and Their Dark Matter Halos over the Last 6 Billion Years." The Astrophysical Journal, 878 158. https://doi.org/10.3847/1538-4357/ab21b9. 2019
- Sohn, Jubee, Geller, Margaret J., Walker, Stephen A., Dell'Antonio, Ian, Diaferio, Antonaldo, and Rines, Kenneth J. 2019. "The Massively Accreting Cluster A2029." The Astrophysical Journal, 871 129. https://doi.org/10.3847/1538-4357/aaf1cc. 2019
- Brown, Warren R., Lattanzi, Mario G., Kenyon, Scott J., and Geller, Margaret J. 2018. "Gaia and the Galactic Center Origin of Hypervelocity Stars." The Astrophysical Journal, 866 39. https://doi.org/10.3847/1538-4357/aadb8e. 2018
- Rines, Kenneth J., Geller, Margaret J., Diaferio, Antonaldo, Hwang, Ho Seong, and Sohn, Jubee. 2018. "HeCS-red: Dense Hectospec Surveys of redMaPPer-selected Clusters." The Astrophysical Journal, 862 172. https://doi.org/10.3847/1538-4357/aacd49. 2018
- Kenyon, Scott J., Bromley, Benjamin C., Brown, Warren R., and Geller, Margaret J. 2018. "Impact of the Galactic Disk and Large Magellanic Cloud on the Trajectories of Hypervelocity Stars Ejected from the Galactic Center." The Astrophysical Journal, 864 130. https://doi.org/10.3847/1538-4357/aada04. 2018
- Sohn, Jubee, Geller, Margaret J., Rines, Kenneth J., Hwang, Ho Seong, Utsumi, Yousuke, and Diaferio, Antonaldo. 2018. "The HectoMAP Cluster Survey. I. redMaPPer Clusters." The Astrophysical Journal, 856 172. https://doi.org/10.3847/1538-4357/aab20b. 2018
- Sohn, Jubee, Chon, Gayoung, Böhringer, Hans, Geller, Margaret J., Diaferio, Antonaldo, Hwang, Ho Seong, Utsumi, Yousuke, and Rines, Kenneth J. 2018. "The HectoMAP Cluster Survey. II. X-Ray Clusters." The Astrophysical Journal, 855 100. https://doi.org/10.3847/1538-4357/aaac7a. 2018
- Damjanov, Ivana, Zahid, H. Jabran, Geller, Margaret J., Fabricant, Daniel G., and Hwang, Ho Seong. 2018. "hCOSMOS: A Dense Spectroscopic Survey of r ≤ 21.3 Galaxies in the COSMOS field." The Astrophysical Journal Supplement Series, 234 21. https://doi.org/10.3847/1538-4365/aaa01c. 2018
- Sohn, Jubee, Zahid, H. Jabran, and Geller, Margaret J. 2017. "The Velocity Dispersion Function for Quiescent Galaxies in the Local Universe." The Astrophysical Journal, 845 73. https://doi.org/10.3847/1538-4357/aa7de3. 2017
- Sohn, Jubee, Geller, Margaret J., Zahid, H. Jabran, Fabricant, Daniel G., Diaferio, Antonaldo, and Rines, Kenneth J. 2017. "The Velocity Dispersion Function of Very Massive Galaxy Clusters: Abell 2029 and Coma." The Astrophysical Journal Supplement Series, 229 20. https://doi.org/10.3847/1538-4365/aa653e. 2017
- Wu, Po-Feng, Zahid, H. Jabran, Hwang, Ho Seong, and Geller, Margaret J. 2017. "The dependence of the mass-metallicity relation on large-scale environment." Monthly Notices of the Royal Astronomical Society, 468 1881–1892. https://doi.org/10.1093/mnras/stx597. 2017
- Zahid, H. Jabran and Geller, Margaret J. 2017. "Velocity Dispersion, Size, Sérsic Index, and D n 4000: The Scaling of Stellar Mass with Dynamical Mass for Quiescent Galaxies." The Astrophysical Journal, 841 32. https://doi.org/10.3847/1538-4357/aa7056. 2017
- Utsumi, Yousuke, Geller, Margaret J., Dell'Antonio, Ian P., Kamata, Yukiko, Kawanomoto, Satoshi, Koike, Michitaro, Komiyama, Yutaka, Koshida, Shintaro, Mineo, Sogo, Miyazaki, Satoshi, Sakurai, Junya, Tait, Philip J., Terai, Tsuyoshi, Tomono, Daigo, Usuda, Tomonori, Yamada, Yoshihiko, and Zahid, Harus J. 2016. "A Weak Lensing View of the Downsizing of Star-forming Galaxies." The Astrophysical Journal, 833 156. https://doi.org/10.3847/1538-4357/833/2/156. 2016
- Sohn, Jubee, Geller, Margaret J., Hwang, Ho Seong, Zahid, H. Jabran, and Lee, Myung Gyoon. 2016. "Catalogs of Compact Groups of Galaxies from the Enhanced SDSS DR12." The Astrophysical Journal Supplement Series, 225 23. https://doi.org/10.3847/0067-0049/225/2/23. 2016
- Zahid, H. Jabran, Baeza Hochmuth, Nicholas, Geller, Margaret J., Damjanov, Ivana, Chilingarian, Igor V., Sohn, Jubee, Salmi, Fadia, and Hwang, Ho Seong. 2016. "Compact E A Galaxies as a Progenitor of Massive Compact Quiescent Galaxies at 0.2 < z < 0.8." The Astrophysical Journal, 831 146. https://doi.org/10.3847/0004-637X/831/2/146. 2016
- Rines, Kenneth J., Geller, Margaret J., Diaferio, Antonaldo, and Hwang, Ho Seong. 2016. "HeCS-SZ: The Hectospec Survey of Sunyaev-Zeldovich-selected Clusters." The Astrophysical Journal, 819 63. https://doi.org/10.3847/0004-637X/819/1/63. 2016
- Hwang, Ho Seong, Geller, Margaret J., Park, Changbom, Fabricant, Daniel G., Kurtz, Michael J., Rines, Kenneth J., Kim, Juhan, Diaferio, Antonaldo, Zahid, H. Jabran, Berlind, Perry, Calkins, Michael, Tokarz, Susan, and Moran, Sean. 2016. "HectoMAP and Horizon Run 4: Dense Structures and Voids in the Real and Simulated Universe." The Astrophysical Journal, 818 173. https://doi.org/10.3847/0004-637X/818/2/173. 2016
- Maughan, Ben J., Giles, Paul A., Rines, Kenneth J., Diaferio, Antonaldo, Geller, Margaret J., Van Der Pyl, Nina, and Bonamente, Massimiliano. 2016. "Hydrostatic and caustic mass profiles of galaxy clusters." Monthly Notices of the Royal Astronomical Society, 461 4182–4191. https://doi.org/10.1093/mnras/stw1610. 2016
- Geller, Margaret J., Hwang, Ho Seong, Dell'Antonio, Ian P., Zahid, Harus Jabran, Kurtz, Michael J., and Fabricant, Daniel G. 2016. "SHELS: Complete Redshift Surveys of Two Widely Separated Fields." The Astrophysical Journal Supplement Series, 224 11. https://doi.org/10.3847/0067-0049/224/1/11. 2016
- Zahid, H. Jabran, Geller, Margaret J., Fabricant, Daniel G., and Hwang, Ho Seong. 2016. "The Scaling of Stellar Mass and Central Stellar Velocity Dispersion for Quiescent Galaxies at z<0.7." The Astrophysical Journal, 832 203. https://doi.org/10.3847/0004-637X/832/2/203. 2016
- Zahid, H. Jabran, Damjanov, Ivana, Geller, Margaret J., Hwang, Ho Seong, and Fabricant, Daniel G. 2016. "The Stellar Mass Fundamental Plane and Compact Quiescent Galaxies at z < 0.6." The Astrophysical Journal, 821 101. https://doi.org/10.3847/0004-637X/821/2/101. 2016
- Barnacka, Anna, Geller, Margaret J., Dell'Antonio, Ian P., and Zitrin, Adi. 2016. "The Structure of the Strongly Lensed Gamma-Ray Source B2 0218 35." The Astrophysical Journal, 821 58. https://doi.org/10.3847/0004-637X/821/1/58. 2016
- Kewley, Lisa J., Zahid, H. Jabran, Geller, Margaret J., Dopita, Michael A., Hwang, Ho Seong, and Fabricant, Dan. 2015. "A Rise in the Ionizing Photons in Star-forming Galaxies over the Past 8 Billion Years." The Astrophysical Journal Letters, 812 L20. https://doi.org/10.1088/2041-8205/812/2/L20. 2015
- Sohn, Jubee, Hwang, Ho Seong, Geller, Margaret J., Diaferio, Antonaldo, Rines, Kenneth J., Lee, Myung Gyoon, and Lee, Gwang-Ho. 2015. "Compact Groups of Galaxies with Complete Spectroscopic Redshifts in the Local Universe." Journal of Korean Astronomical Society, 48 381–398. https://doi.org/10.5303/JKAS.2015.48.6.381. 2015
- Brown, Warren R., Anderson, Jay, Gnedin, Oleg Y., Bond, Howard E., Geller, Margaret J., and Kenyon, Scott J. 2015. "Proper Motions and Trajectories for 16 Extreme Runaway and Hypervelocity Stars." The Astrophysical Journal, 804 49. https://doi.org/10.1088/0004-637X/804/1/49. 2015
- Zahid, H. Jabran, Damjanov, Ivana, Geller, Margaret J., and Chilingarian, Igor. 2015. "Quiescent Compact Galaxies at Intermediate Redshift in the COSMOS Field. II. The Fundamental Plane of Massive Galaxies." The Astrophysical Journal, 806 122. https://doi.org/10.1088/0004-637X/806/1/122. 2015
- Damjanov, Ivana, Geller, Margaret J., Zahid, H. Jabran, and Hwang, Ho Seong. 2015. "Quiescent Compact Galaxies at Intermediate Redshift in the COSMOS Field. The Number Density." The Astrophysical Journal, 806 158. https://doi.org/10.1088/0004-637X/806/2/158. 2015
- Barnacka, Anna, Geller, Margaret J., Dell'Antonio, Ian P., and Benbow, Wystan. 2015. "Resolving the High-energy Universe with Strong Gravitational Lensing: The Case of PKS 1830–211." The Astrophysical Journal, 809 100. https://doi.org/10.1088/0004-637X/809/1/100. 2015
- King, Charles, III, Brown, Warren R., Geller, Margaret J., and Kenyon, Scott J. 2015. "Stellar Velocity Dispersion and Anisotropy of the Milky Way Inner Halo." The Astrophysical Journal, 813 89. https://doi.org/10.1088/0004-637X/813/2/89. 2015
- Barnacka, Anna, Geller, Margaret J., Dell'Antonio, Ian P., and Benbow, Wystan. 2015. "Strongly Lensed Jets, Time Delays, and the Value of H 0." The Astrophysical Journal, 799 48. https://doi.org/10.1088/0004-637X/799/1/48. 2015
- Damjanov, Ivana, Zahid, H. Jabran, Geller, Margaret J., and Hwang, Ho Seong. 2015. "The Environment of Massive Quiescent Compact Galaxies at 0.1 < z < 0.4 in the COSMOS Field." The Astrophysical Journal, 815 104. https://doi.org/10.1088/0004-637X/815/2/104. 2015
- Geller, Margaret J., Hwang, Ho Seong, Diaferio, Antonaldo, Kurtz, Michael J., Coe, Dan, and Rines, Kenneth J. 2014. "A Redshift Survey of the Strong-lensing Cluster Abell 383." The Astrophysical Journal, 783 52. https://doi.org/10.1088/0004-637X/783/1/52. 2014
- Hwang, Ho Seong, Geller, Margaret J., Diaferio, Antonaldo, Rines, Kenneth J., and Zahid, H. Jabran. 2014. "Comparing Dense Galaxy Cluster Redshift Surveys with Weak-lensing Maps." The Astrophysical Journal, 797 106. https://doi.org/10.1088/0004-637X/797/2/106. 2014
- Starikova, Svetlana, Jones, Christine, Forman, William R., Vikhlinin, Alexey A., Kurtz, Michael J., Geller, Margaret J., Fabricant, Daniel G., Murray, Stephen S., and Dell'Antonio, Ian P. 2014. "Comparison of Galaxy Clusters Selected by Weak-lensing, Optical Spectroscopy, and X-Rays in the Deep Lens Survey F2 Field." The Astrophysical Journal, 786 125. https://doi.org/10.1088/0004-637X/786/2/125. 2014
- Brown, Warren R., Geller, Margaret J., and Kenyon, Scott J. 2014. "MMT Hypervelocity Star Survey. III. The Complete Survey." The Astrophysical Journal, 787 89. https://doi.org/10.1088/0004-637X/787/1/89. 2014
- Kenyon, Scott J., Bromley, Benjamin C., Brown, Warren R., and Geller, Margaret J. 2014. "Predicted Space Motions for Hypervelocity and Runaway Stars: Proper Motions and Radial Velocities for the Gaia Era." The Astrophysical Journal, 793 122. https://doi.org/10.1088/0004-637X/793/2/122. 2014
- Utsumi, Yousuke, Miyazaki, Satoshi, Geller, Margaret J., Dell'Antonio, Ian P., Oguri, Masamune, Kurtz, Michael J., Hamana, Takashi, and Fabricant, Daniel G. 2014. "Reducing Systematic Error in Weak Lensing Cluster Surveys." The Astrophysical Journal, 786 93. https://doi.org/10.1088/0004-637X/786/2/93. 2014
- Geller, Margaret J., Hwang, Ho Seong, Fabricant, Daniel G., Kurtz, Michael J., Dell'Antonio, Ian P., and Zahid, Harus Jabran. 2014. "SHELS: A Complete Galaxy Redshift Survey with R <= 20.6." The Astrophysical Journal Supplement Series, 213 35. https://doi.org/10.1088/0067-0049/213/2/35. 2014
- Barnacka, Anna, Geller, Margaret J., Dell'Antonio, Ian P., and Benbow, Wystan. 2014. "Strong Gravitational Lensing as a Tool to Investigate the Structure of Jets at High Energies." The Astrophysical Journal, 788 139. https://doi.org/10.1088/0004-637X/788/2/139. 2014
- Damjanov, Ivana, Hwang, Ho Seong, Geller, Margaret J., and Chilingarian, Igor. 2014. "The Number Density of Quiescent Compact Galaxies at Intermediate Redshift." The Astrophysical Journal, 793 39. https://doi.org/10.1088/0004-637X/793/1/39. 2014
- Zahid, H. Jabran, Dima, Gabriel I., Kudritzki, Rolf-Peter, Kewley, Lisa J., Geller, Margaret J., Hwang, Ho Seong, Silverman, John D., and Kashino, Daichi. 2014. "The Universal Relation of Galactic Chemical Evolution: The Origin of the Mass-Metallicity Relation." The Astrophysical Journal, 791 130. https://doi.org/10.1088/0004-637X/791/2/130. 2014
- Damjanov, Ivana, Chilingarian, Igor, Hwang, Ho Seong, and Geller, Margaret J. 2013. "Discovery of Nine Intermediate-redshift Compact Quiescent Galaxies in the Sloan Digital Sky Survey." The Astrophysical Journal Letters, 775 L48. https://doi.org/10.1088/2041-8205/775/2/L48. 2013
- Hwang, Ho Seong, Andrews, Sean M., and Geller, Margaret J. 2013. "Dust Properties of Local Dust-obscured Galaxies with the Submillimeter Array." The Astrophysical Journal, 777 38. https://doi.org/10.1088/0004-637X/777/1/38. 2013
- Hwang, Ho Seong and Geller, Margaret J. 2013. "Dust-obscured Galaxies in the Local Universe." The Astrophysical Journal, 769 116. https://doi.org/10.1088/0004-637X/769/2/116. 2013
- Fabricant, Daniel, Chilingarian, Igor, Seong Hwang, Ho, Kurtz, Michael J., Geller, Margaret J., Del''Antonio, Ian P., and Rines, Kenneth J. 2013. "Measuring Galaxy Velocity Dispersions with Hectospec." Publications of the Astronomical Society of the Pacific, 125 1362–1369. https://doi.org/10.1086/673499. 2013
- Geller, Margaret J., Diaferio, Antonaldo, Rines, Kenneth J., and Serra, Ana Laura. 2013. "Measuring the Mass Distribution in Galaxy Clusters." The Astrophysical Journal, 764 58. https://doi.org/10.1088/0004-637X/764/1/58. 2013
- Rines, Kenneth, Geller, Margaret J., Diaferio, Antonaldo, and Kurtz, Michael J. 2013. "Measuring the Ultimate Halo Mass of Galaxy Clusters: Redshifts and Mass Profiles from the Hectospec Cluster Survey (HeCS)." The Astrophysical Journal, 767 15. https://doi.org/10.1088/0004-637X/767/1/15. 2013
- Zahid, H. Jabran, Geller, Margaret J., Kewley, Lisa J., Hwang, Ho Seong, Fabricant, Daniel G., and Kurtz, Michael J. 2013. "The Chemical Evolution of Star-forming Galaxies over the Last 11 Billion Years." The Astrophysical Journal Letters, 771 L19. https://doi.org/10.1088/2041-8205/771/2/L19. 2013
- Brown, Warren R., Cohen, Judith G., Geller, Margaret J., and Kenyon, Scott J. 2013. "The Origin of HVS17, an Unbound Main Sequence B Star at 50 kpc." The Astrophysical Journal, 775 32. https://doi.org/10.1088/0004-637X/775/1/32. 2013
- Hwang, Ho Seong, Geller, Margaret J., Diaferio, Antonaldo, and Rines, Kenneth J. 2012. "A WISE View of a nearby Supercluster A2199." The Astrophysical Journal, 752 64. https://doi.org/10.1088/0004-637X/752/1/64. 2012
- Coe, Dan, Umetsu, Keiichi, Zitrin, Adi, Donahue, Megan, Medezinski, Elinor, Postman, Marc, Carrasco, Mauricio, Anguita, Timo, Geller, Margaret J., Rines, Kenneth J., Diaferio, Antonaldo, Kurtz, Michael J., Bradley, Larry, Koekemoer, Anton, Zheng, W., Nonino, Mario, Molino, Alberto, Mahdavi, Andisheh, Lemze, Doron, Infante, Leopoldo, Ogaz, Sara, Melchior, Peter, Host, Ole, Ford, Holland, Grillo, Claudio et al. 2012. "CLASH: Precise New Constraints on the Mass Profile of the Galaxy Cluster A2261." The Astrophysical Journal, 757 22. https://doi.org/10.1088/0004-637X/757/1/22. 2012
- King, Charles, III, Brown, Warren R., Geller, Margaret J., and Kenyon, Scott J. 2012. "Identifying Star Streams in the Milky Way Halo." The Astrophysical Journal, 750 81. https://doi.org/10.1088/0004-637X/750/1/81. 2012
- Brown, Warren R., Geller, Margaret J., and Kenyon, Scott J. 2012. "MMT Hypervelocity Star Survey. II. Five New Unbound Stars." The Astrophysical Journal, 751 55. https://doi.org/10.1088/0004-637X/751/1/55. 2012
- Hwang, Ho Seong, Geller, Margaret J., Kurtz, Michael J., Dell'Antonio, Ian P., and Fabricant, Daniel G. 2012. "SHELS: Optical Spectral Properties of WISE 22 μm Selected Galaxies." The Astrophysical Journal, 758 25. https://doi.org/10.1088/0004-637X/758/1/25. 2012
- Kurtz, Michael J., Geller, Margaret J., Utsumi, Yousuke, Miyazaki, Satoshi, Dell'Antonio, Ian P., and Fabricant, Daniel G. 2012. "Testing Weak-lensing Maps with Redshift Surveys: A Subaru Field." The Astrophysical Journal, 750 168. https://doi.org/10.1088/0004-637X/750/2/168. 2012
- Geller, Margaret J., Diaferio, Antonaldo, Kurtz, Michael J., Dell'Antonio, Ian P., and Fabricant, Daniel G. 2012. "The Faint End of the Luminosity Function and Low Surface Brightness Galaxies." The Astronomical Journal, 143 102. https://doi.org/10.1088/0004-6256/143/4/102. 2012
- Brown, Warren R., Cohen, Judith G., Geller, Margaret J., and Kenyon, Scott J. 2012. "The Nature of Hypervelocity Stars and the Time between Their Formation and Ejection." The Astrophysical Journal Letters, 754 L2. https://doi.org/10.1088/2041-8205/754/1/L2. 2012
- Geller, Margaret J., Diaferio, Antonaldo, and Kurtz, Michael J. 2011. "Mapping the Universe: The 2010 Russell Lecture." The Astronomical Journal, 142 133. https://doi.org/10.1088/0004-6256/142/4/133. 2011
- Brown, Warren R., Anderson, Jay, Gnedin, Oleg Y., Bond, Howard E., Geller, Margaret J., Kenyon, Scott J., and Livio, Mario. 2010. "A Galactic Origin for HE 0437–5439, The Hypervelocity Star Near the Large Magellanic Cloud." The Astrophysical Journal Letters, 719 L23–L27. https://doi.org/10.1088/2041-8205/719/1/L23. 2010
- Rines, Kenneth, Geller, Margaret J., and Diaferio, Antonaldo. 2010. "Comparison of Hectospec Virial Masses with Sunyaev-Zel'Dovich Effect Measurements." The Astrophysical Journal Letters, 715 L180–L184. https://doi.org/10.1088/2041-8205/715/2/L180. 2010
- Westra, Eduard, Geller, Margaret J., Kurtz, Michael J., Fabricant, Daniel G., and Dell'Antonio, Ian. 2010. "Empirical Optical k-Corrections for Redshifts." Publications of the Astronomical Society of the Pacific, 122 1258–1284. https://doi.org/10.1086/657452. 2010
- Westra, Eduard, Geller, Margaret J., Kurtz, Michael J., Fabricant, Daniel G., and Dell'Antonio, Ian. 2010. "Evolution of the H? Luminosity Function." The Astrophysical Journal, 708 534–549. https://doi.org/10.1088/0004-637X/708/1/534. 2010
- Kewley, Lisa J., Rupke, David, Zahid, H. Jabran,H., Geller, Margaret J., and Barton, Elizabeth J. 2010. "Metallicity Gradients and Gas Flows in Galaxy Pairs." The Astrophysical Journal Letters, 721 L48–L52. https://doi.org/10.1088/2041-8205/721/1/L48. 2010
- Geller, Margaret J., Kurtz, Michael J., Dell'Antonio, Ian P., Ramella, Massimo, and Fabricant, Daniel G. 2010. "SHELS: Testing Weak-Lensing Maps with Redshift Surveys." The Astrophysical Journal, 709 832–850. https://doi.org/10.1088/0004-637X/709/2/832. 2010
- Gnedin, Oleg Y., Brown, Warren R., Geller, Margaret J., and Kenyon, Scott J. 2010. "The Mass Profile of the Galaxy to 80 kpc." The Astrophysical Journal Letters, 720 L108–L112. https://doi.org/10.1088/2041-8205/720/1/L108. 2010
- Freedman Woods, Deborah, Geller, Margaret J., Kurtz, Michael J., Westra, Eduard, Fabricant, Daniel G., and Dell'Antonio, Ian. 2010. "Triggered Star Formation in Galaxy Pairs at z = 0.08-0.38." The Astronomical Journal, 139 1857–1870. https://doi.org/10.1088/0004-6256/139/5/1857. 2010
- Brown, Warren R., Geller, Margaret J., Kenyon, Scott J., and Diaferio, Antonaldo. 2010. "Velocity Dispersion Profile of the Milky Way Halo." The Astronomical Journal, 139 59–67. https://doi.org/10.1088/0004-6256/139/1/59. 2010
- Brown, Warren R., Geller, Margaret J., and Kenyon, Scott J. 2009. "MMT Hypervelocity Star Survey." The Astrophysical Journal, 690 1639–1647. https://doi.org/10.1088/0004-637X/690/2/1639. 2009
- Bromley, Benjamin C., Kenyon, Scott J., Brown, Warren R., and Geller, Margaret J. 2009. "Runaway Stars, Hypervelocity Stars, and Radial Velocity Surveys." The Astrophysical Journal, 706 925–940. 2009
- Brown, Warren R., Geller, Margaret J., Kenyon, Scott J., and Bromley, Benjamin C. 2009. "The Anisotropic Spatial Distribution of Hypervelocity Stars." The Astrophysical Journal Letters, 690 L69–L71. https://doi.org/10.1088/0004-637X/690/1/L69. 2009
- Kenyon, Scott J., Bromley, Benjamin C., Geller, Margaret J., and Brown, Warren R. 2008. "Hypervelocity Stars: From the Galactic Center to the Halo." The Astrophysical Journal, 680 312–327. 2008
- Brown, Warren R., Kewley, Lisa J., and Geller, Margaret J. 2008. "MMT Extremely Metal-Poor Galaxy Survey. I. An Efficient Technique for Identifying Metal-Poor Galaxies." The Astronomical Journal, 135 92–98. 2008
- Fabricant, Daniel G., Kurtz, Michael J., Geller, Margaret J., Caldwell, Nelson, Woods, Deborah, and Dell'Antonio, Ian. 2008. "Spectrophotometry with Hectospec, the MMT's Fiber-Fed Spectrograph." Publications of the Astronomical Society of the Pacific, 120 1222–1232. 2008
- Rines, Kenneth and Geller, Margaret J. 2008. "Spectroscopic Determination of the Luminosity Function in the Galaxy Clusters A2199 and Virgo." The Astronomical Journal, 135 1837–1848. https://doi.org/10.1088/0004-6256/135/5/1837. 2008
- Brown, Warren R., Beers, Timothy C., Wilhelm, Ronald, Allende Prieto, Carlos, Geller, Margaret J., Kenyon, Scott J., and Kurtz, Michael J. 2008. "The Century Survey Galactic Halo Project. III. a Complete 4300 DEG2 Survey of Blue Horizontal Branch Stars in the Metal-Weak Thick Disk and Inner Halo." The Astronomical Journal, 135 564–574. 2008
- Brown, Warren R., Geller, Margaret J., Kenyon, Scott J., Kurtz, Michael J., and Bromley, Benjamin C. 2007. "Hypervelocity Stars. III. The Space Density and Ejection History of Main-Sequence Stars from the Galactic Center." The Astrophysical Journal, 671 1708–1716. 2007
- Kurtz, Michael J., Geller, Margaret J., Fabricant, Daniel G., Wyatt, William F., and Dell'Antonio, Ian P. 2007. "mu-PhotoZ: Photometric Redshifts by Inverting the Tolman Surface Brightness Test." The Astronomical Journal, 134 1360–1367. 2007
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- Smithsonian Astrophysical Observatory Academic Department