Zobrazeno 1 - 10
of 470
pro vyhledávání: '"A. R. Siebert"'
Autor:
Elyse L. Morin, Erin R. Siebert, Brittany R. Howell, Melinda Higgins, Tanja Jovanovic, Andrew M. Kazama, Mar M. Sanchez
Publikováno v:
Developmental Cognitive Neuroscience, Vol 71, Iss , Pp 101480- (2025)
Early life adverse experiences, including childhood maltreatment, are major risk factors for psychopathology, including anxiety disorders with dysregulated fear responses. Consistent with human studies, maltreatment by the mother (MALT) leads to incr
Externí odkaz:
https://doaj.org/article/018a79da1b834b91971048864bd777f5
Autor:
M. R. Siebert, C. DeCoursey, D. A. Coulter, M. Engesser, J. D. R. Pierel, A. Rest, E. Egami, M. Shahbandeh, W. Chen, O. D. Fox, Y. Zenati, T. J. Moriya, A. J. Bunker, P. A. Cargile, M. Curti, D. J. Eisenstein, S. Gezari, S. Gomez, M. Guolo, B. D. Johnson, B. A. Joshi, M. Karmen, R. Maiolino, R. M. Quimby, B. Robertson, L. G. Strolger, F. Sun, Q. Wang, T. Wevers
Publikováno v:
The Astrophysical Journal Letters, Vol 972, Iss 1, p L13 (2024)
We present James Webb Space Telescope (JWST) NIRCam and NIRSpec observations of a Type Ic supernova (SN Ic) and its host galaxy (JADES-GS+53.13533-27.81457) at z = 2.83. This SN (named SN 2023adta) was identified in deep JWST/NIRCam imaging from the
Externí odkaz:
https://doaj.org/article/20ed11d80e6e42e59c4bd4a45523741a
Autor:
J. D. R. Pierel, M. Engesser, D. A. Coulter, C. DeCoursey, M. R. Siebert, A. Rest, E. Egami, W. Chen, O. D. Fox, D. O. Jones, B. A. Joshi, T. J. Moriya, Y. Zenati, A. J. Bunker, P. A. Cargile, M. Curti, D. J. Eisenstein, S. Gezari, S. Gomez, M. Guolo, B. D. Johnson, M. Karmen, R. Maiolino, R. M. Quimby, B. Robertson, M. Shahbandeh, L. G. Strolger, F. Sun, Q. Wang, T. Wevers
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 2, p L32 (2024)
We present the James Webb Space Telescope (JWST) discovery of SN 2023adsy, a transient object located in a host galaxy JADES-GS+53.13485−27.82088 with a host spectroscopic redshift of 2.903 ± 0.007. The transient was identified in deep (JWST)/NIRC
Externí odkaz:
https://doaj.org/article/8ca2b65a0aea4db4b417e86a75a2d60d
Autor:
Michael J. Bakker, Matthew R. Siebert
Publikováno v:
Energies, Vol 17, Iss 10, p 2433 (2024)
Dependence on petroleum and petrochemical products is unsustainable; it is both a finite resource and an environmental hazard. Biodiesel has many attractive qualities, including a sustainable feedstock; however, it has its complications. The pyrolysi
Externí odkaz:
https://doaj.org/article/6f7ead9db6b94507b4b9df50cb7c3ad3
Autor:
D. Farias, C. Gall, G. Narayan, S. Rest, V. A. Villar, C. R. Angus, K. Auchettl, K. W. Davis, R. J. Foley, A. Gagliano, J. Hjorth, L. Izzo, C. D. Kilpatrick, H. M. L. Perkins, E. Ramirez-Ruiz, C. L. Ransome, A. Sarangi, R. Yarza, D. A. Coulter, D. O. Jones, N. Khetan, A. Rest, M. R. Siebert, J. J. Swift, K. Taggart, S. Tinyanont, P. Wrubel, T. J. L. de Boer, K. E. Clever, A. Dhara, H. Gao, C.-C. Lin
Publikováno v:
The Astrophysical Journal, Vol 977, Iss 2, p 152 (2024)
We present a comprehensive analysis of the photometric and spectroscopic evolution of SN 2021foa, unique among the class of transitional supernovae for repeatedly changing its spectroscopic appearance from hydrogen-to-helium-to-hydrogen dominated (II
Externí odkaz:
https://doaj.org/article/4127ddd0d8394963883de3e15859bb15
Autor:
Fatima Zaidouni, Erin Kara, Peter Kosec, Missagh Mehdipour, Daniele Rogantini, Gerard A. Kriss, Ehud Behar, Jelle Kaastra, Aaron J. Barth, Edward M. Cackett, Gisella De Rosa, Yasaman Homayouni, Keith Horne, Hermine Landt, Nahum Arav, Misty C. Bentz, Michael S. Brotherton, Elena Dalla Bontà, Maryam Dehghanian, Gary J. Ferland, Carina Fian, Jonathan Gelbord, Michael R. Goad, Diego H. González Buitrago, Catherine J. Grier, Patrick B. Hall, Chen Hu, Dragana Ilić, Shai Kaspi, Christopher S. Kochanek, Andjelka B. Kovačević, Daniel Kynoch, Collin Lewin, John Montano, Hagai Netzer, Jack M. M. Neustadt, Christos Panagiotou, Ethan R. Partington, Rachel Plesha, Luka Č. Popović, Daniel Proga, Thaisa Storchi-Bergmann, David Sanmartim, Matthew R. Siebert, Matilde Signorini, Marianne Vestergaard, Tim Waters, Ying Zu
Publikováno v:
The Astrophysical Journal, Vol 974, Iss 1, p 91 (2024)
We present the results of the XMM-Newton and NuSTAR observations taken as part of the ongoing, intensive multiwavelength monitoring program of the Seyfert 1 galaxy Mrk 817 by the AGN Space Telescope and Optical Reverberation Mapping 2 (AGN STORM 2) P
Externí odkaz:
https://doaj.org/article/72a0395dcbd8439787caa0ce7414fef7
Autor:
Maryam Dehghanian, Nahum Arav, Gerard A. Kriss, Missagh Mehdipour, Doyee Byun, Gwen Walker, Mayank Sharma, Aaron J. Barth, Misty C. Bentz, Benjamin D. Boizelle, Michael S. Brotherton, Edward M. Cackett, Elena Dalla Bontà, Gisella De Rosa, Gary J. Ferland, Carina Fian, Alexei V. Filippenko, Jonathan Gelbord, Michael R. Goad, Keith Horne, Yasaman Homayouni, Dragana Ilić, Michael D. Joner, Erin A. Kara, Shai Kaspi, Christopher S. Kochanek, Kirk T. Korista, Peter Kosec, Andjelka B. Kovačević, Hermine Landt, Collin Lewin, Ethan R. Partington, Luka Č. Popović, Daniel Proga, Daniele Rogantini, Matthew R. Siebert, Thaisa Storchi-Bergmann, Marianne Vestergaard, Timothy. Waters, Jian-Min Wang, Fatima Zaidouni, Ying Zu
Publikováno v:
The Astrophysical Journal, Vol 972, Iss 2, p 141 (2024)
We observed the Seyfert 1 galaxy Mrk 817 during an intensive multiwavelength reverberation mapping campaign for 16 months. Here, we examine the behavior of narrow UV absorption lines seen in the Hubble Space Telescope/Cosmic Origins Spectrograph spec
Externí odkaz:
https://doaj.org/article/966715f4b45648b0b888fce09ba23e41
Autor:
Roee Partoush, Armin Rest, Jacob E. Jencson, Dovi Poznanski, Ryan J. Foley, Charles D. Kilpatrick, Jennifer E. Andrews, Rodrigo Angulo, Carles Badenes, Federica B. Bianco, Alexei V. Filippenko, Ryan Ridden-Harper, Xiaolong Li, Steve Margheim, Thomas Matheson, Knut A. G. Olsen, Matthew R. Siebert, Nathan Smith, Douglas L. Welch, A. Zenteno
Publikováno v:
The Astrophysical Journal, Vol 970, Iss 2, p 119 (2024)
Light echoes give us a unique perspective on the nature of supernovae and nonterminal stellar explosions. Spectroscopy of light echoes can reveal details on the kinematics of the ejecta, probe asymmetry, and reveal details of ejecta interaction with
Externí odkaz:
https://doaj.org/article/b9a3e35f1c4249d6865e6bac4dbfa633
Autor:
Wenlei Chen, Patrick L. Kelly, Brenda L. Frye, Justin Pierel, S. P. Willner, Massimo Pascale, Seth H. Cohen, Christopher J. Conselice, Michael Engesser, Lukas J. Furtak, Daniel Gilman, Norman A. Grogin, Simon Huber, Saurabh W. Jha, Joel Johansson, Anton M. Koekemoer, Conor Larison, Ashish K. Meena, Matthew R. Siebert, Rogier A. Windhorst, Haojing Yan, Adi Zitrin
Publikováno v:
The Astrophysical Journal, Vol 970, Iss 2, p 102 (2024)
SN H0pe is a triply imaged supernova (SN) at redshift z = 1.78 discovered using the James Webb Space Telescope. In order to classify the SN spectroscopically and measure the relative time delays of its three images (designated A, B, and C), we acquir
Externí odkaz:
https://doaj.org/article/bd514c07e777403cb2178f0a0a5b6035
Autor:
Lindsey A. Kwok, Matthew R. Siebert, Joel Johansson, Saurabh W. Jha, Stéphane Blondin, Luc Dessart, Ryan J. Foley, D. John Hillier, Conor Larison, Rüdiger Pakmor, Tea Temim, Jennifer E. Andrews, Katie Auchettl, Carles Badenes, Barna Barnabas, K. Azalee Bostroem, Max J. Brenner Newman, Thomas G. Brink, María José Bustamante-Rosell, Yssavo Camacho-Neves, Alejandro Clocchiatti, David A. Coulter, Kyle W. Davis, Maxime Deckers, Georgios Dimitriadis, Yize Dong, Joseph Farah, Alexei V. Filippenko, Andreas Flörs, Ori D. Fox, Peter Garnavich, Estefania Padilla Gonzalez, Or Graur, Franz-Josef Hambsch, Griffin Hosseinzadeh, D. Andrew Howell, John P. Hughes, Wolfgang E. Kerzendorf, Xavier K. Saux, Keiichi Maeda, Kate Maguire, Curtis McCully, Cassidy Mihalenko, Megan Newsome, John T. O’Brien, Jeniveve Pearson, Craig Pellegrino, Justin D. R. Pierel, Abigail Polin, Armin Rest, César Rojas-Bravo, David J. Sand, Michaela Schwab, Melissa Shahbandeh, Manisha Shrestha, Nathan Smith, Louis-Gregory Strolger, Tamás Szalai, Kirsty Taggart, Giacomo Terreran, Jacco H. Terwel, Samaporn Tinyanont, Stefano Valenti, József Vinkó, J. Craig Wheeler, Yi Yang, WeiKang Zheng, Chris Ashall, James M. DerKacy, Lluís Galbany, Peter Hoeflich, Thomas de Jaeger, Jing Lu, Justyn Maund, Kyle Medler, Nidia Morell, Benjamin J. Shappee, Maximilian Stritzinger, Nicholas Suntzeff, Michael Tucker, Lifan Wang
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 1, p 135 (2024)
We present an analysis of ground-based and JWST observations of SN 2022pul, a peculiar “03fg-like” (or “super-Chandrasekhar”) Type Ia supernova (SN Ia), in the nebular phase at 338 days postexplosion. Our combined spectrum continuously covers
Externí odkaz:
https://doaj.org/article/497a3681f5304dde951f637691196378