Kashyap, Vinay
Fellowship Advisor Smithsonian Astrophysical Observatory staffKashyap, Vinay
Fellowship Advisor Smithsonian Astrophysical Observatory staffSolar and stellar coronae; diffuse X-ray emission; X-ray analysis algorithms
Background And Education
Education And Training
- M.S., University of Chicago
- Ph.D., University of Chicago
Awards And Honors
- Smithsonian Scholarly Studies Award, conferred by Smithsonian Scholarly Studies Awards, 2017
Research And Grants
Co-principal Investigator On
Publications
Selected Publications
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Article
- Sacchi, Andrea, Karovska, Margarita, Raymond, John, Kashyap, Vinay, Gaetz, Terrance J., Hack, Warren, Kennea, Jamie, Lee, Nicholas, Mioduszewski, Amy J., and Claussen, Mark J. 2024. "Front-row Seat of the Recent R Aqr Periastron Passage: X-Ray Multiepoch Spectral and Spatial Analysis." The Astrophysical Journal, 961 12. https://doi.org/10.3847/1538-4357/ad12bb. 2024
- Zhang, Xiangyu, Algeri, Sara, Kashyap, Vinay, and Karovska, Margarita. 2023. "A novel approach to detect line emission under high background in high-resolution X-ray spectra." Monthly Notices of the Royal Astronomical Society, 521 969–983. https://doi.org/10.1093/mnras/stad398. 2023
- Rajhans, Abhishek, Tripathi, Durgesh, Kashyap, Vinay L., Klimchuk, James A., and Ghosh, Avyarthana. 2023. "Center-to-limb Variation of Transition-region Doppler Shifts in Active Regions." The Astrophysical Journal, 944 158. https://doi.org/10.3847/1538-4357/acb4ed. 2023
- Kashyap, Vinay L., Guarcello, Mario G., Wright, Nicholas J., Drake, Jeremy J., Flaccomio, Ettore, Aldcroft, Tom L., Albacete Colombo, Juan F., Briggs, Kevin, Damiani, Francesco, Drew, Janet E., Martin, Eduardo L., Micela, Giusi, Naylor, Tim, and Sciortino, Salvatore. 2023. "Classification of Chandra X-Ray Sources in Cygnus OB2." The Astrophysical Journal Supplement Series, 269 10. https://doi.org/10.3847/1538-4365/acdd68. 2023
- Albacete-Colombo, J. F., Drake, J. J., Flaccomio, E., Wright, N. J., Kashyap, V., Guarcello, M. G., Briggs, K., Drew, J. E., Fenech, D. M., Micela, G., McCollough, Michael, Prinja, R. K., Schneider, N., Sciortino, S., and Vink, J. S. 2023. "Diffuse X-Ray Emission in the Cygnus OB2 Association." The Astrophysical Journal Supplement Series, 269 14. https://doi.org/10.3847/1538-4365/acdd65. 2023
- Holland-Ashford, Tyler, Slane, Patrick, Lopez, Laura A., Auchettl, Katie, and Kashyap, Vinay. 2023. "Estimating Ejecta Mass Ratios in Kepler's Supernova Remnant: Global X-Ray Spectral Analysis Including Suzaku Systematics and Emitting Volume Uncertainties." The Astrophysical Journal, 955 77. https://doi.org/10.3847/1538-4357/aced8d. 2023
- Fan, Minjie, Wang, Jue, Kashyap, Vinay L., Lee, Thomas C. M., van Dyk, David A., and Zezas, Andreas. 2023. "Identifying Diffuse Spatial Structures in High-energy Photon Lists." The Astronomical Journal, 165 66. https://doi.org/10.3847/1538-3881/aca478. 2023
- Guarcello, Mario Giuseppe, Drake, J. J., Wright, N. J., Naylor, T., Flaccomio, E., Kashyap, V. L., and García-Alvarez, D. 2023. "Optical and Infrared Counterparts of the X-Ray Sources Detected in the Chandra Cygnus OB2 Legacy Survey." The Astrophysical Journal Supplement Series, 269 9. https://doi.org/10.3847/1538-4365/acdd64. 2023
- Guarcello, Mario Giuseppe, Drake, J. J., Wright, N. J., Albacete-Colombo, J. F., Clarke, C., Ercolano, B., Flaccomio, E., Kashyap, V., Micela, G., Naylor, T., Schneider, N., Sciortino, S., and Vink, J. S. 2023. "Photoevaporation and Close Encounters: How the Environment around Cygnus OB2 Affects the Evolution of Protoplanetary Disks." The Astrophysical Journal Supplement Series, 269 13. https://doi.org/10.3847/1538-4365/acdd67. 2023
- Huang, Caroline D., Karovska, Margarita, Hack, Warren, Raymond, John C., Montez, Rodolfo, and Kashyap, Vinay L. 2023. "Shocks and Photoionization of the Inner 650 au Jet of the Interacting Binary Star R Aquarii from Multiwavelength Hubble Space Telescope Observations." The Astrophysical Journal, 947 11. https://doi.org/10.3847/1538-4357/acc068. 2023
- Wright, Nicholas J., Drake, Jeremy J., Guarcello, Mario G., Kashyap, Vinay L., and Zezas, Andreas. 2023. "Simulating the Sensitivity to Stellar Point Sources of Chandra X-Ray Observations." The Astrophysical Journal Supplement Series, 269 8. https://doi.org/10.3847/1538-4365/acdd63. 2023
- Wright, Nicholas J., Drake, Jeremy J., Guarcello, Mario G., Aldcroft, Tom L., Kashyap, Vinay L., Damiani, Francesco, DePasquale, Joseph, and Fruscione, Antonella. 2023. "The Chandra Cygnus OB2 Legacy Survey: Design and X-Ray Point-source Catalog." The Astrophysical Journal Supplement Series, 269 7. https://doi.org/10.3847/1538-4365/acdd62. 2023
- Albacete-Colombo, J. F., Flaccomio, E., Drake, J. J., Wright, N. J., Guarcello, M., and Kashyap, V. 2023. "The Statistical Uncertainties on X-Ray Flux and Spectral Parameters from Chandra ACIS-I Observations of Faint Sources: Application to the Cygnus OB2 Association." The Astrophysical Journal Supplement Series, 269 11. https://doi.org/10.3847/1538-4365/acdd69. 2023
- Migliori, G., Siemiginowska, Aneta, Sobolewska, Malgorzata, Cheung, C. C., Stawarz, Ł, Schwartz, D., Snios, B., Saxena, A., and Kashyap, V. 2023. "The extremely X-ray luminous radio-loud quasar CFHQS J142952 544717 at z = 6.18 under Chandra high-angular resolution lens." Monthly Notices of the Royal Astronomical Society, 524 1087–1095. https://doi.org/10.1093/mnras/stad1959. 2023
- Acharya, Anshuman, Kashyap, Vinay L., Saar, Steven H., Singh, Kulinder Pal, and Cuntz, Manfred. 2023. "X-Ray Activity Variations and Coronal Abundances of the Star-Planet Interaction Candidate HD 179949." The Astrophysical Journal, 951 152. https://doi.org/10.3847/1538-4357/acd054. 2023
- Flaccomio, E., Albacete-Colombo, J. F., Drake, J. J., Guarcello, M. G., Kashyap, V., Wright, N. J., Briggs, K., Ercolano, B., McCollough, Michael, and Sciortino, S. 2023. "X-Ray Spectral Characterization of the Young Cygnus OB2 Population." The Astrophysical Journal Supplement Series, 269 12. https://doi.org/10.3847/1538-4365/acdd66. 2023
- McEntee, S. C., Jackman, C. M., Weigt, D. M., Dunn, W. R., Kashyap, V., Kraft, R., Louis, C. K., Branduardi-Raymont, G., Gladstone, G. R., and Gallagher, P. T. 2022. "Comparing Jupiter's Equatorial X-Ray Emissions With Solar X-Ray Flux Over 19 Years of the Chandra Mission." Journal of Geophysical Research (Space Physics), 127. https://doi.org/10.1029/2022JA030971. 2022
- Rajhans, Abhishek, Tripathi, Durgesh, Bradshaw, Stephen J., Kashyap, Vinay L., and Klimchuk, James A. 2022. "Flows in Enthalpy-based Thermal Evolution of Loops." The Astrophysical Journal, 924 13. https://doi.org/10.3847/1538-4357/ac3009. 2022
- Di Stefano, Rosanne, Berndtsson, Julia, Urquhart, Ryan, Soria, Roberto, Kashyap, Vinay L., Carmichael, Theron W., and Imara, Nia. 2021. "A possible planet candidate in an external galaxy detected through X-ray transit." Nature Astronomy, 5 1297–1307. https://doi.org/10.1038/s41550-021-01495-w. 2021
- Xu, Cong, Günther, Hans Moritz, Kashyap, Vinay L., Lee, Thomas C. M., and Zezas, Andreas. 2021. "Change-point Detection and Image Segmentation for Time Series of Astrophysical Images." The Astronomical Journal, 161 184. https://doi.org/10.3847/1538-3881/abe0b6. 2021
- Marshall, Herman L., Chen, Yang, Drake, Jeremy J., Guainazzi, Matteo, Kashyap, Vinay L., Meng, Xiao-Li, Plucinsky, Paul P., Ratzlaff, Peter, van Dyk, David A., and Wang, Xufei. 2021. "Concordance: In-flight Calibration of X-Ray Telescopes without Absolute References." The Astronomical Journal, 162 254. https://doi.org/10.3847/1538-3881/ac230a. 2021
- Rajhans, Abhishek, Tripathi, Durgesh, and Kashyap, Vinay L. 2021. "Hydrodynamics of Small Transient Brightenings in the Solar Corona." The Astrophysical Journal, 917 29. https://doi.org/10.3847/1538-4357/ac03bb. 2021
- Kashyap, Vinay L., Hong, Jaesub, Romaine, Suzanne, Sethares, Leandra, Cotroneo, Vincenzo, Spiga, Daniele, and Nittler, Larry. 2020. "Designing miniature x-ray optics for the SmallSat lunar science mission concept CubeX." Applied Optics, 59 5560. https://doi.org/10.1364/AO.393554. 2020
- Wargelin, Bradford J., Drake, Jeremy J., Wolk, Scott J., and Kashyap, Vinay L. 2020. "Pointing Chandra toward the Extreme Ultraviolet Fluxes of Very Low Mass Stars." The Astrophysical Journal, 893 137. https://doi.org/10.3847/1538-4357/ab7b5c. 2020
- Sharda, Piyush, Gaetz, Terrance J., Kashyap, Vinay L., and Plucinsky, Paul P. 2020. "Spatially Resolved Chandra Spectroscopy of the Large Magellanic Cloud Supernova Remnant N132D." The Astrophysical Journal, 894 145. https://doi.org/10.3847/1538-4357/ab8a46. 2020
- Evans, Nancy Remage, Pillitteri, Ignazio, Molnar, Laszlo, Szabados, Laszlo, Plachy, Emese, Szabo, Robert, Engle, Scott, Guinan, Edward, Wolk, Scott, Günther, H. Moritz, Neilson, Hilding, Marengo, Massimo, Matthews, Lynn D., Moschou, Sofia, Drake, Jeremy J., Kashyap, Vinay, Kervella, Pierre, Tordai, Tamas, Somogyi, Peter, and Burki, Gilbert. 2020. "X-Ray Observations of the Peculiar Cepheid V473 Lyr Identify A Low-mass Companion." The Astronomical Journal, 159 121. https://doi.org/10.3847/1538-3881/ab7121. 2020
- Snios, Bradford, Siemiginowska, Aneta, Sobolewska, Małgosia, Cheung, C. C., Kashyap, Vinay, Migliori, Giulia, Schwartz, Daniel A., Stawarz, Łukasz, and Worrall, Diana M. 2020. "X-Ray Properties of Young Radio Quasars at z > 4.5." The Astrophysical Journal, 899 127. https://doi.org/10.3847/1538-4357/aba2ca. 2020
- Stampoulis, Vasileios, van Dyk, David A., Kashyap, Vinay L., and Zezas, Andreas. 2019. "Multidimensional data-driven classification of emission-line galaxies." Monthly Notices of the Royal Astronomical Society, 485 1085–1102. https://doi.org/10.1093/mnras/stz330. 2019
- Subramanian, Srividya, Kashyap, Vinay L., Tripathi, Durgesh, Madjarska, Maria S., and Doyle, John G. 2018. "Energetics of Hi-C EUV brightenings." Astronomy and Astrophysics, 615 A47. https://doi.org/10.1051/0004-6361/201629304. 2018
- Yu, Xixi, Del Zanna, Giulio, Stenning, David C., Cisewski-Kehe, Jessi, Kashyap, Vinay L., Stein, Nathan, van Dyk, David A., Warren, Harry P., and Weber, Mark A. 2018. "Incorporating Uncertainties in Atomic Data into the Analysis of Solar and Stellar Observations: A Case Study in Fe XIII." The Astrophysical Journal, 866 146. https://doi.org/10.3847/1538-4357/aadfdd. 2018
- Sharma, Aishawnnya, Gupta, G. R., Tripathi, Durgesh, Kashyap, V., and Pathak, Amit. 2017. "Direct Observations of Different Sunspot Waves Influenced by Umbral Flashes." The Astrophysical Journal, 850 206. https://doi.org/10.3847/1538-4357/aa95c0. 2017
- Cohen, O., Yadav, R., Garraffo, Cecilia, Saar, S. H., Wolk, S. J., Kashyap, V. L., Drake, Jeremy J., and Pillitteri, Ignazio. 2017. "Giant Coronal Loops Dominate the Quiescent X-Ray Emission in Rapidly Rotating M Stars." The Astrophysical Journal, 834 14. https://doi.org/10.3847/1538-4357/834/1/14. 2017
- Wargelin, B. J., Drake, Jeremy J., Pojmański, G., Kashyap, V. L., and Saar, S. H. 2017. "Optical, UV, and X-ray evidence for a 7-yr stellar cycle in Proxima Centauri." Monthly Notices of the Royal Astronomical Society, 464 3281–3296. https://doi.org/10.1093/mnras/stw2570. 2017
- Drake, Jeremy J., Delgado, Laura, Laming, J. Martin, Starrfield, Sumner, Kashyap, Vinay, Orlando, Salvatore, Page, Kim L., Hernanz, M., Ness, J. -U, Gehrz, R. D., van Rossum, Daan, and Woodward, Charles E. 2016. "Collimation and Asymmetry of the Hot Blast Wave from the Recurrent Nova V745 Sco." The Astrophysical Journal, 825 95. https://doi.org/10.3847/0004-637X/825/2/95. 2016
- Collimation and Asymmetry of the Hot Blast Wave from the Recurrent Nova V745 Sco. Astrophysical Journal. 825:95. 2016
- McKeough, Kathryn, Siemiginowska, Aneta, Cheung, C. C., Stawarz, Lukasz, Kashyap, Vinay L., Stein, Nathan, Stampoulis, Vasileios, van Dyk, David A., Wardle, J. F. C., Lee, N. P., Harris, D. E., Schwartz, D. A., Donato, Davide, Maraschi, Laura, and Tavecchio, Fabrizio. 2016. "Detecting Relativistic X-Ray Jets in High-redshift Quasars." The Astrophysical Journal, 833 123. https://doi.org/10.3847/1538-4357/833/1/123. 2016
- Ayres, Thomas R., Kashyap, V., Saar, S., Huenemoerder, D., Korhonen, H., Drake, Jeremy J., Testa, P., Cohen, O., Garraffo, Cecilia, Granzer, T., and Strassmeier, K. 2016. "FK Comae Berenices, King of Spin: The COCOA-PUFS Project." The Astrophysical Journal Supplement Series, 223 5. https://doi.org/10.3847/0067-0049/223/1/5. 2016
- Stein, Nathan M., van Dyk, David A., Kashyap, Vinay L., and Siemiginowska, Aneta. 2015. "Detecting Unspecified Structure in Low-count Images." The Astrophysical Journal, 813 66. https://doi.org/10.1088/0004-637X/813/1/66. 2015
- Jones, David E., Kashyap, Vinay L., and van Dyk, David A. 2015. "Disentangling Overlapping Astronomical Sources Using Spatial and Spectral Information." The Astrophysical Journal, 808 137. https://doi.org/10.1088/0004-637X/808/2/137. 2015
- Liao, Kai, Treu, Tommaso, Marshall, Phil, Fassnacht, Christopher D., Rumbaugh, Nick, Dobler, Gregory, Aghamousa, Amir, Bonvin, Vivien, Courbin, Frederic, Hojjati, Alireza, Jackson, Neal, Kashyap, Vinay, Rathna Kumar, S., Linder, Eric, Mandel, Kaisey, Meng, Xiao-Li, Meylan, Georges, Moustakas, Leonidas A., Prabhu, Tushar P., Romero-Wolf, Andrew, Shafieloo, Arman, Siemiginowska, Aneta, Stalin, Chelliah S., Tak, Hyungsuk, Tewes, Malte et al. 2015. "Strong Lens Time Delay Challenge. II. Results of TDC1." The Astrophysical Journal, 800 11. https://doi.org/10.1088/0004-637X/800/1/11. 2015
- Drake, Jeremy J., Chung, Sun Mi, Kashyap, Vinay L., and Garcia-Alvarez, David. 2015. "X-Ray Evidence for a Pole-dominated Corona on AB Dor." The Astrophysical Journal, 802 62. https://doi.org/10.1088/0004-637X/802/1/62. 2015
- Lalitha, S., Singh, K. P., Drake, S. A., and Kashyap, V. 2015. "X-Raying the Coronae of HD 155555." The Astrophysical Journal, 811 44. https://doi.org/10.1088/0004-637X/811/1/44. 2015
- Drake, Jeremy J., Ratzlaff, Peter, Kashyap, Vinay, Huenemoerder, David P., Wargelin, Bradford J., and Pease, Deron O. 2014. "A 33 Yr Constancy of the X-Ray Coronae of AR Lac and Eclipse Diagnosis of Scale Height." The Astrophysical Journal, 783 2. https://doi.org/10.1088/0004-637X/783/1/2. 2014
- Xu, Jin, van Dyk, David A., Kashyap, Vinay L., Siemiginowska, Aneta, Connors, Alanna, Drake, Jeremy J., Meng, Xiao-Li, Ratzlaff, Pete, and Yu, Yaming. 2014. "A Fully Bayesian Method for Jointly Fitting Instrumental Calibration and X-Ray Spectral Models." The Astrophysical Journal, 794 97. https://doi.org/10.1088/0004-637X/794/2/97. 2014
- Drake, Jeremy J., Braithwaite, Jonathan, Kashyap, Vinay, Günther, H. Moritz, and Wright, Nicholas J. 2014. "Burn Out or Fade Away? On the X-Ray and Magnetic Death of Intermediate Mass Stars." The Astrophysical Journal, 786 136. https://doi.org/10.1088/0004-637X/786/2/136. 2014
- Primini, Francis A. and Kashyap, V. L. 2014. "Determining X-Ray Source Intensity and Confidence Bounds in Crowded Fields." The Astrophysical Journal, 796 24. https://doi.org/10.1088/0004-637X/796/1/24. 2014
- Goodman, Alyssa A., Pepe, Alberto, Blocker, Alexander W., Borgman, Christine L., Cranmer, Kyle, Crosas, Merce, Di Stefano, Rosanne, Gil, Yolanda, Groth, Paul, Hedstrom, Margaret, Hogg, David W., Kashyap, Vinay, Mahabal, Ashish, Siemiginowska, Aneta, and Slavkovic, Aleksandra. 2014. "Ten Simple Rules for the Care and Feeding of Scientific Data." Plos Computational Biology, 10, (4) 1–5. https://doi.org/10.1371/journal.pcbi.1003542. 2014
- Pillitteri, Ignazio, Wolk, S. J., Lopez-Santiago, J., Günther, H. M., Sciortino, S., Cohen, O., Kashyap, V., and Drake, Jeremy J. 2014. "The Corona of HD 189733 and its X-Ray Activity." The Astrophysical Journal, 785 145. https://doi.org/10.1088/0004-637X/785/2/145. 2014
- Guarcello, M. G., Drake, Jeremy J., Wright, N. J., Drew, J. E., Gutermuth, R. A., Hora, Joseph L., Naylor, T., Aldcroft, Thomas L., Fruscione, A., García-Alvarez, D., Kashyap, V. L., and King, R. 2013. "The Protoplanetary Disks in the Nearby Massive Star-forming Region Cygnus OB2." The Astrophysical Journal, 773 135. https://doi.org/10.1088/0004-637X/773/2/135. 2013
- Yu, Y., van Dyk, D. A., Kashyap, V. L., and Young, C. A. 2012. "A Bayesian Analysis of the Correlations Among Sunspot Cycles." Solar Physics, 281 847–862. https://doi.org/10.1007/s11207-012-0090-x. 2012
- Matranga, Marco, Drake, Jeremy J., Kashyap, Vinay, and Steeghs, Danny. 2012. "Detection of Accretion X-Rays from QS Vir: Cataclysmic or a Lot of Hot Air?" The Astrophysical Journal, 747 132. https://doi.org/10.1088/0004-637X/747/2/132. 2012
- Guarcello, M. G., Wright, N. J., Drake, Jeremy J., García-Alvarez, D., Drew, J. E., Aldcroft, Thomas L., and Kashyap, V. L. 2012. "Optical Photometric GTC/OSIRIS Observations of the Young Massive Association Cygnus OB2." The Astrophysical Journal Supplement Series, 202 19. https://doi.org/10.1088/0067-0049/202/2/19. 2012
- Cohen, O., Drake, Jeremy J., and Kashyap, V. L. 2012. "The Role of White Dwarfs in Cataclysmic Variable Spin-down." The Astrophysical Journal Letters, 746, (1). https://doi.org/10.1088/2041-8205/746/1/L3. 2012
- Poppenhaeger, K., Czesla, S., Schröter, S., Lalitha, S., Kashyap, V., and Schmitt, J. H. M. M. 2012. "The high-energy environment in the super-Earth system CoRoT-7." Astronomy and Astrophysics, 541 26. https://doi.org/10.1051/0004-6361/201118507. 2012
- Lee, Hyunsook, Kashyap, Vinay L., van Dyk, David A., Connors, Alanna, Drake, Jeremy J., Izem, Rima, Meng, Xiao-Li, Min, Shandong, Park, Taeyoung, Ratzlaff, Pete, Siemiginowska, Aneta, and Zezas, Andreas. 2011. "Accounting for Calibration Uncertainties in X-ray Analysis: Effective Areas in Spectral Fitting." The Astrophysical Journal, 731, (2) 126. https://doi.org/10.1088/0004-637X/731/2/126. 2011
- García-Alvarez, D., Lanza, A. F., Messina, S., Drake, J. J., van Wyk, F., Shobbrook, R. R., Butler, C. J., Kilkenny, D., Doyle, J. G., and Kashyap, V. L. 2011. "Starspots on the fastest rotators in the ? Pictoris moving group." Astronomy and Astrophysics, 533 30. https://doi.org/10.1051/0004-6361/201116646. 2011
- Primini, Francis A., Houck, John C., Davis, John E., Nowak, Michael A., Evans, Ian N., Glotfelty, Kenny J., Anderson, Craig S., Bonaventura, Nina R., Chen, Judy C., Doe, Stephen M., Evans, Janet D., Fabbiano, Giuseppina, Galle, Elizabeth C., Gibbs, Danny G., Grier, John D., Hain, Roger M., Hall, Diane M., Harbo, Peter N., Helen He, Xiangqun, Karovska, Margarita, Kashyap, Vinay L., Lauer, Jennifer, McCollough, Michael L., McDowell, Jonathan C., Miller, Joseph B. et al. 2011. "Statistical Characterization of the Chandra Source Catalog." The Astrophysical Journal Supplement Series, 194 37. https://doi.org/10.1088/0067-0049/194/2/37. 2011
- Testa, Paola, Reale, Fabio, Landi, Enrico, DeLuca, Edward E., and Kashyap, Vinay L. 2011. "Temperature Distribution of a Non-flaring Active Region from Simultaneous Hinode XRT and EIS Observations." The Astrophysical Journal, 728, (1) 30. https://doi.org/10.1088/0004-637X/728/1/30. 2011
- Cohen, O., Kashyap, Vinay L., Drake, Jeremy J., Sokolov, I. V., Garraffo, Cecilia, and Gombosi, T. I. 2011. "The Dynamics of Stellar Coronae Harboring Hot Jupiters. I. A Time-dependent Magnetohydrodynamic Simulation of the Interplanetary Environment in the HD 189733 Planetary System." The Astrophysical Journal, 733 67. https://doi.org/10.1088/0004-637X/733/1/67. 2011
- Cohen, O., Kashyap, V. L., Drake, J. J., Sokolov, I. V., and Gombosi, T. I. 2011. "The Dynamics of Stellar Coronae Harboring Hot Jupiters. II. A Space Weather Event on a Hot Jupiter." The Astrophysical Journal, 738 166. https://doi.org/10.1088/0004-637X/738/2/166. 2011
- Winebarger, Amy R., Schmelz, Joan T., Warren, Harry P., Saar, Steve H., and Kashyap, Vinay L. 2011. "Using a Differential Emission Measure and Density Measurements in an Active Region Core to Test a Steady Heating Model." The Astrophysical Journal, 740 2. https://doi.org/10.1088/0004-637X/740/1/2. 2011
- Pillitteri, Ignazio, Günther, H. M., Wolk, S. J., Kashyap, V. L., and Cohen, O. 2011. "X-Ray Activity Phased with Planet Motion in HD 189733?" The Astrophysical Journal Letters, 741, (1). https://doi.org/10.1088/2041-8205/741/1/L18. 2011
- Matranga, M., Drake, Jeremy J., Kashyap, Vinay L., Marengo, Massimo, and Kuchner, M. J. 2010. "Close Binaries with Infrared Excess: Destroyers of Worlds?" The Astrophysical Journal Letters, 720 L164–L168. https://doi.org/10.1088/2041-8205/720/2/L164. 2010
- Cohen, O., Drake, Jeremy J., Kashyap, Vinay L., Korhonen, H., Elstner, D., and Gombosi, T. I. 2010. "Magnetic Structure of Rapidly Rotating FK Comae-type Coronae." The Astrophysical Journal, 719 299–306. https://doi.org/10.1088/0004-637X/719/1/299. 2010
- Schmelz, J. T., Saar, S. H., Nasraoui, K., Kashyap, Vinay L., Weber, Mark A., DeLuca, Edward E., and Golub, Leon. 2010. "Multi-stranded and Multi-thermal Solar Coronal Loops: Evidence from Hinode X-ray Telescope and EUV Imaging Spectrometer Data." The Astrophysical Journal, 723 1180–1187. https://doi.org/10.1088/0004-637X/723/2/1180. 2010
- Kashyap, Vinay L., van Dyk, David A., Connors, Alanna, Freeman, Peter E., Siemiginowska, Aneta, Xu, Jin, and Zezas, Andreas. 2010. "On Computing Upper Limits to Source Intensities." The Astrophysical Journal, 719 900–914. https://doi.org/10.1088/0004-637X/719/1/900. 2010
- Evans, Ian N., Primini, Francis A., Glotfelty, Kenny J., Anderson, Craig S., Bonaventura, Nina R., Chen, Judy C., Davis, John E., Doe, Stephen M., Evans, Janet D., Fabbiano, Giuseppina, Galle, Elizabeth C., Gibbs, Danny G., Grier, John D., Hain, Roger M., Hall, Diane M., Harbo, Peter N., Helen He, Xiangqun, Houck, John C., Karovska, Margarita, Kashyap, Vinay L., Lauer, Jennifer, McCollough, Michael L., McDowell, Jonathan C., Miller, Joseph B., Mitschang, Arik W. et al. 2010. "The Chandra Source Catalog." The Astrophysical Journal Supplement Series, 189 37–82. 2010
- Cohen, O., Drake, Jeremy J., Kashyap, Vinay L., Hussain, G. A. J., and Gombosi, T. I. 2010. "The Coronal Structure of AB Doradus." The Astrophysical Journal, 721 80–89. https://doi.org/10.1088/0004-637X/721/1/80. 2010
- Cohen, O., Drake, Jeremy J., Kashyap, Vinay L., Sokolov, I. V., and Gombosi, T. I. 2010. "The Impact of Hot Jupiters on the Spin-down of their Host Stars." The Astrophysical Journal Letters, 723 L64–L67. https://doi.org/10.1088/2041-8205/723/1/L64. 2010
- Pillitteri, Ignazio, Wolk, S. J., Cohen, O., Kashyap, Vinay L., Knutson, H., Lisse, C. M., and Henry, G. W. 2010. "XMM-Newton Observations of HD 189733 During Planetary Transits." The Astrophysical Journal, 722 1216–1225. https://doi.org/10.1088/0004-637X/722/2/1216. 2010
- Green, Paul J., Aldcroft, Thomas L., Richards, G. T., Barkhouse, W. A., Constantin, A., Haggard, D., Karovska, M., Kim, D. -W, Kim, M., Vikhlinin, Alexey A., Anderson, S. F., Mossman, A., Kashyap, Vinay L., Myers, A. C., Silverman, J. D., Wilkes, Belinda J., and Tananbaum, Harvey. 2009. "A Full Year's Chandra Exposure on Sloan Digital Sky Survey Quasars from the Chandra Multiwavelength Project." The Astrophysical Journal, 690 644–669. https://doi.org/10.1088/0004-637X/690/1/644. 2009
- Schmelz, J. T., Saar, S. H., DeLuca, Edward E., Golub, Leon, Kashyap, Vinay L., Weber, Mark A., and Klimchuk, J. A. 2009. "Hinode X-Ray Telescope Detection of Hot Emission from Quiescent Active Regions: A Nanoflare Signature?" The Astrophysical Journal Letters, 693 L131–L135. 2009
- Cohen, O., Drake, Jeremy J., Kashyap, Vinay L., Saar, S. H., Sokolov, I. V., Manchester, W. B., Hansen, K. C., and Gombosi, T. I. 2009. "Interactions of the Magnetospheres of Stars and Close-In Giant Planets." The Astrophysical Journal Letters, 704 L85–L88. https://doi.org/10.1088/0004-637X/704/2/L85. 2009
- Schmelz, J. T., Kashyap, Vinay L., Saar, S. H., Dennis, B. R., Grigis, P. C., Lin, L., De Luca, E. E., Holman, G. D., Golub, Leon, and Weber, Mark A. 2009. "Some Like It Hot: Coronal Heating Observations from Hinode X-ray Telescope and RHESSI." The Astrophysical Journal, 704 863–869. https://doi.org/10.1088/0004-637X/704/1/863. 2009
- Cohen, O., Drake, Jeremy J., Kashyap, Vinay L., and Gombosi, T. I. 2009. "The Effect of Magnetic Spots on Stellar Winds and Angular Momentum Loss." The Astrophysical Journal, 699 1501–1510. 2009
- García-Alvarez, David, Drake, Jeremy J., Kashyap, Vinay L., Lin, L., and Ball, B. 2008. "Coronae of Young Fast Rotators." The Astrophysical Journal, 679 1509–1521. 2008
- Covey, Kevin R., Agüeros, M. A., Green, P. J., Haggard, D., Barkhouse, W. A., Drake, Jeremy J., Evans, N., Kashyap, Vinay L., Kim, D. -W, Mossman, A., Pease, D. O., and Silverman, J. D. 2008. "The ChaMP Extended Stellar Survey (ChESS): Photometric and Spectroscopic Properties of Serendipitously Detected Stellar X-Ray Sources." The Astrophysical Journal Supplement Series, 178 339–358. https://doi.org/10.1086/590909. 2008
- Westbrook, Owen W., Evans, Nancy Remage, Wolk, Scott J., Kashyap, Vinay L., Nichols, Joy S., Mendygral, Peter J., Slavin, Jonathan D., Spitzbart, Bradley, and Waldron, Wayne L. 2008. "X-Atlas: An Online Archive of Chandra's Stellar High-Energy Transmission Grating Observations." The Astrophysical Journal Supplement Series, 176 218–261. https://doi.org/10.1086/527477. 2008
- Wargelin, Bradford J., Drake, Jeremy J., García-Alvarez, D., Ratzlaff, P. W., and Kashyap, Vinay L. 2008. "X-Ray Flaring on the dMe Star, Ross 154." The Astrophysical Journal, 676 610–627. 2008
- Drake, Jeremy J., Chung, Sun Mi, Kashyap, Vinay L., Korhonen, Heidi, van Ballegooijen, Adriaan A., and Elstner, Detlef. 2008. "X-Ray Spectroscopic Signatures of the Extended Corona of FK Comae." The Astrophysical Journal, 679 1522–1530. 2008
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Conference Paper
- Guarcello, Mario Giuseppe, Drake, Jeremy J., Wright, Nicholas J., Drew, Janet E., Garcia-Alvarez, D., Gutermuth, R. A., Hora, Joseph L., Kashyap, V., King, Robert R., Naylor, Tim, Stamatellos, Dimitris, Goodwin, Simon, and Ward-Thompson, Derek. 2014. "Disk Survival in the Extremely Massive Association Cygnus OB2." from Advances in Solid State Physics. 36, 89. https://doi.org/10.1007/978-3-319-03041-8_16. 2014
Contact
Location
- Smithsonian Astrophysical Observatory Academic Department
