Search Results - "O’Grady, Anna J. G."

Binary Yellow Supergiants in the Magellanic Clouds. I. Photometric Candidate Identification by O’Grady, Anna J. G., Drout, Maria R., Neugent, Kathryn F., Ludwig, Bethany, Götberg, Ylva, Gaensler, B. M.

“…Abstract Recent works have constrained the binary fraction of evolved populations of massive stars in local galaxies such as red supergiants and Wolf–Rayet…”
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Searching for Anomalies in the ZTF Catalog of Periodic Variable Stars by Chan, Ho-Sang, Villar, V. Ashley, Cheung, Siu-Hei, Ho, Shirley, O’Grady, Anna J. G., Drout, Maria R., Renzo, Mathieu

“…Abstract Periodic variables illuminate the physical processes of stars throughout their lifetime. Wide-field surveys continue to increase our discovery rates…”
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Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds from ASAS-SN: Implications for Thorne–Żytkow Objects and Super-asymptotic Giant Branch Stars by O’Grady, Anna J. G., Drout, Maria R., Shappee, B. J., Bauer, Evan B., Fuller, Jim, Kochanek, C. S., Jayasinghe, T., Gaensler, B. M., Stanek, K. Z., Holoien, Thomas W.-S., Prieto, J. L., Thompson, Todd A.

“…Abstract Stars with unusual properties can provide a wealth of information about rare stages of stellar evolution and exotic physics. However, determining the…”
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Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds. II. Spectroscopic and Environmental Analysis of Thorne–Żytkow Object and Super-AGB Star Candidates by O‘Grady, Anna J. G., Drout, Maria R., Gaensler, B. M., Kochanek, C. S., Neugent, Kathryn F., Doherty, Carolyn L., Speagle, Joshua S., Shappee, B. J., Rauch, Michael, Götberg, Ylva, Ludwig, Bethany, Thompson, Todd A.

“…Abstract In previous work, we identified a population of 38 cool and luminous variable stars in the Magellanic Clouds and examined 11 in detail in order to…”
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Type II-P supernova progenitor star initial masses and SN 2020jfo: direct detection, light-curve properties, nebular spectroscopy, and local environment by Kilpatrick, Charles D, Izzo, Luca, Bentley, Rory O, Chambers, Kenneth C, Coulter, David A, Drout, Maria R, de Boer, Thomas, Foley, Ryan J, Gall, Christa, Halford, Melissa R, Jones, David O, Langeroodi, Danial, Lin, Chien-Cheng, Magnier, Eugene A, McGill, Peter, O’Grady, Anna J G, Pan, Yen-Chen, Ramirez-Ruiz, Enrico, Rest, Armin, Swift, Jonathan J, Tinyanont, Samaporn, Villar, V Ashley, Wainscoat, Richard J, Wasserman, Amanda Rose, Yadavalli, S Karthik, Yang, Grace

“…ABSTRACT We present optical, ultraviolet, and infrared data of the type II supernova (SN II) 2020jfo at 14.5 Mpc. This wealth of multiwavelength data allows us…”
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Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds. II: Spectroscopic and Environmental Analysis of Thorne-\.Zytkow Object and Super-AGB Star Candidates by O'Grady, Anna J. G, Drout, Maria R, Gaensler, B. M, Kochanek, C. S, Neugent, Kathryn F, Doherty, Carolyn L, Speagle, Joshua S, Shappee, B. J, Rauch, Michael, Götberg, Ylva, Ludwig, Bethany, Thompson, Todd A

“…In previous work we identified a population of 38 cool and luminous variable stars in the Magellanic Clouds and examined 11 in detail in order to classify them…”
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Searching for Anomalies in the ZTF Catalog of Periodic Variable Stars by Chan, H. S, Villar, V. Ashley, Cheung, S. H, Ho, Shirley, O'Grady, Anna J. G, Drout, Maria R, Renzo, Mathieu

“…Periodic variables illuminate the physical processes of stars throughout their lifetime. Wide-field surveys continue to increase our discovery rates of…”
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Type II-P Supernova Progenitor Star Initial Masses and SN 2020jfo: Direct Detection, Light Curve Properties, Nebular Spectroscopy, and Local Environment by Kilpatrick, Charles D, Izzo, Luca, Bentley, Rory O, Chambers, Kenneth C, Coulter, David A, Drout, Maria R, de Boer, Thomas, Foley, Ryan J, Gall, Christa, Halford, Melissa R, Jones, David O, Langeroodi, Danial, Lin, Chien-Cheng, Magnier, Eugene A, McGill, Peter, O'Grady, Anna J. G, Pan, Yen-Chen, Ramirez-Ruiz, Enrico, Rest, Armin, Swift, Jonathan J, Tinyanont, Samaporn, Villar, V. Ashley, Wainscoat, Richard J, Wasserman, Amanda Rose, Yadavalli, S. Karthik, Yang, Grace

“…We present optical, ultraviolet, and infrared data of the type II supernova (SN II) 2020jfo at 14.5 Mpc. This wealth of multiwavelength data allows to compare…”
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Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds from ASAS-SN: Implications for Thorne-\.Zytkow Objects and Super-Asymptotic Giant Branch Stars by O'Grady, Anna J. G, Drout, Maria R, Shappee, B. J, Bauer, Evan B, Fuller, Jim, Kochanek, C. S, Jayasinghe, T, Gaensler, B. M, Stanek, K. Z, Holoien, Thomas W. -S, Prieto, J. L, Thompson, Todd A

“…Stars with unusual properties can provide a wealth of information about rare stages of stellar evolution and exotic physics. However, determining the true…”
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Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds from ASAS-SN: Implications for Thorne- ytkow Objects and Super-asymptotic Giant Branch Stars by O'Grady, Anna J. G., Drout, Maria R., Shappee, B. J., Bauer, Evan B., Fuller, Jim, Kochanek, C. S., Jayasinghe, T., Gaensler, B. M., Stanek, K. Z., Holoien, Thomas W.-S., Prieto, J. L., Thompson, Todd A.

“…Stars with unusual properties can provide a wealth of information about rare stages of stellar evolution and exotic physics. However, determining the true…”
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Thorne-\.Zytkow Objects by O'Grady, Anna J. G, Moriya, Takashi J, Renzo, Mathieu, Vigna-Gómez, Alejandro

“…Interacting binary star systems play a critical role in many areas of astrophysics. One interesting example of a binary merger product are Thorne-\.Zytkow…”
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Binary Yellow Supergiants in the Magellanic Clouds I: Photometric Candidate Identification by O'Grady, Anna J. G, Drout, Maria R, Neugent, Kathryn F, Ludwig, Bethany, Gotberg, Ylva, Gaensler, Bryan M

“…Recent works have constrained the binary fraction of evolved populations of massive stars in local galaxies such as red supergiants and Wolf-Rayet stars, but…”
Get full text