AGN STORM 2. V. Anomalous Behavior of the C iv Light Curve of Mrk 817

Autor: Y. Homayouni, Gerard A. Kriss, Gisella De Rosa, Rachel Plesha, Edward M. Cackett, Michael R. Goad, Kirk T. Korista, Keith Horne, Travis Fischer, Tim Waters, Aaron J. Barth, Erin A. Kara, Hermine Landt, Nahum Arav, Benjamin D. Boizelle, Misty C. Bentz, Michael S. Brotherton, Doron Chelouche, Elena Dalla Bontà, Maryam Dehghanian, Pu Du, Gary J. Ferland, Carina Fian, Jonathan Gelbord, Catherine J. Grier, Patrick B. Hall, Chen Hu, Dragana Ilić, Michael D. Joner, Jelle Kaastra, Shai Kaspi, Andjelka B. Kovačević, Daniel Kynoch, Yan-Rong Li, Missagh Mehdipour, Jake A. Miller, Jake Mitchell, John Montano, Hagai Netzer, J. M. M. Neustadt, Ethan Partington, Luka Č. Popović, Daniel Proga, Thaisa Storchi-Bergmann, David Sanmartim, Matthew R. Siebert, Tommaso Treu, Marianne Vestergaard, Jian-Min Wang, Martin J. Ward, Fatima Zaidouni, Ying Zu

Publikováno v: The Astrophysical Journal, Vol 963, Iss 2, p 123 (2024)

An intensive reverberation mapping campaign of the Seyfert 1 galaxy Mrk 817 using the Cosmic Origins Spectrograph on the Hubble Space Telescope revealed significant variations in the response of broad UV emission lines to fluctuations in the continuu

Externí odkaz: https://doaj.org/article/316614fb5a9e43ee843eceed4152da03

To TDE or not to TDE: the luminous transient ASASSN-18jd with TDE-like and AGN-like qualities

Autor: D. A. Coulter, Michael A. Tucker, Ryan J. Foley, D. A. H. Buckley, Krzysztof Z. Stanek, J. M. M. Neustadt, Christopher S. Kochanek, J. S. Brown, Subo Dong, Subhash Bose, A. V. Payne, T W-S Holoien, Mariusz Gromadzki, Benjamin J. Shappee, J. L. Prieto, Katie Auchettl, Maria R. Drout, Claudio Ricci, Patrick J. Vallely, Richard W. Pogge, Charles D. Kilpatrick, A. Do, Todd A. Thompson, M. E. Huber, Anthony L. Piro, Ping Chen, Matthew R. Siebert, Georgios Dimitriadis, César Rojas-Bravo

Publikováno v: Neustadt, J M M, Holoien, T W-S, Kochanek, C S, Auchettl, K, Brown, J S, Shappee, B J, Pogge, R W, Dong, S, Stanek, K Z, Tucker, M A, Bose, S, Chen, P, Ricci, C, Vallely, P J, Prieto, J L, Coulter, D A, Drout, M R, Foley, R J, Kilpatrick, C D, Piro, A L, Rojas-Bravo, C, Buckley, D A H, Gromadzki, M, Dimitriadis, G, Siebert, M R, Do, A, Huber, M E & Payne, A V 2020, ' To TDE or not to TDE : the luminous transient ASASSN-18jd with TDE-like and AGN-like qualities ', Monthly Notices of the Royal Astronomical Society, vol. 494, no. 2, pp. 2538-2560 . https://doi.org/10.1093/mnras/staa859

We present the discovery of ASASSN-18jd (AT 2018bcb), a luminous optical/UV/X-ray transient located in the nucleus of the galaxy 2MASX J22434289--1659083 at $z=0.1192$. Over the year after discovery, Swift UVOT photometry shows the UV SED of the tran

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2400c9a73eeefd67ff96e68de3c47d9
https://doi.org/10.1093/mnras/staa859

An AMUSING look at the host of the periodic nuclear transient ASASSN-14ko reveals a second AGN

Autor: M. Eracleous, Katie Auchettl, Lluís Galbany, Christopher S. Kochanek, C. Auge, Michael A. Tucker, J. T. Hinkle, J. P. Anderson, Thomas W.-S. Holoien, J. L. Prieto, A. V. Payne, J. M. M. Neustadt, Benjamin J. Shappee

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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We present Multi-Unit Spectroscopic Explorer (MUSE) integral-field spectroscopy of ESO 253-G003, which hosts a known active galactic nucleus (AGN) and the periodic nuclear transient ASASSN-14ko, observed as part of the All-weather MUse Supernova Inte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2d4b69d0d6e2303bc52f1ef5770a199
http://hdl.handle.net/10261/254683

Discovery and follow-up of ASASSN-19dj: an X-ray and UV luminous TDE in an extreme post-starburst galaxy

Autor: A. V. Payne, B. Stalder, J. S. Brown, Ryan J. Foley, Tiara Hung, D. A. Coulter, Michael A. Tucker, Subhash Bose, J. M. M. Neustadt, A. Do, César Rojas-Bravo, M. E. Huber, Anthony L. Piro, Charles D. Kilpatrick, Jason T. Hinkle, B. J. Shappee, Matthew J. Graham, Todd A. Thompson, G. Pignata, John L. Tonry, Katie Auchettl, Christopher S. Kochanek, Subo Dong, Matthew R. Siebert, K. Z. Stanek, Patrick J. Vallely, Joseph P. Anderson, John P. Wisniewski, Ping Chen, Georgios Dimitriadis, Thomas W.-S. Holoien

Publikováno v: Hinkle, J T, Holoien, T W-S, Auchettl, K, Shappee, B J, Neustadt, J M M, Payne, A, Brown, J S, Kochanek, C S, Stanek, K Z, Graham, M J, Tucker, M A, Do, A, Anderson, J P, Bose, S, Chen, P, Coulter, D A, Dimitriadis, G, Dong, S, Foley, R J, Huber, M E, Hung, T, Kilpatrick, C D, Pignata, G, Piro, A L, Rojas-Bravo, C, Siebert, M R, Stalder, B, Thompson, T A, Tonry, J L, Vallely, P J & Wisniewski, J P 2021, ' Discovery and follow-up of ASASSN-19dj : an X-ray and UV luminous TDE in an extreme post-starburst galaxy ', Monthly Notices of the Royal Astronomical Society, vol. 500, no. 2, pp. 1673-1696 . https://doi.org/10.1093/mnras/staa3170

We present observations of ASASSN-19dj, a nearby tidal disruption event (TDE) discovered in the post-starburst galaxy KUG 0810+227 by the All-Sky Automated Survey for Supernovae (ASAS-SN) at a distance of d $\simeq98$ Mpc. We observed ASASSN-19dj fro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c48b2ce440bb4562d083fbec2a97be4
https://resolver.caltech.edu/CaltechAUTHORS:20210209-121602286