Search Results - Erica Hammerstein

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  1. 1

    A Systematic Analysis of the X-Ray Emission in Optically Selected Tidal Disruption Events: Observational Evidence for the Unification of the Optically and X-Ray-selected Population... by Muryel Guolo, Suvi Gezari, Yuhan Yao, Sjoert van Velzen, Erica Hammerstein, S. Bradley Cenko, Yarone M. Tokayer

    Published in The Astrophysical Journal (2024-01-01)
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  2. 2

    Integral Field Spectroscopy of 13 Tidal Disruption Event Hosts from the Zwicky Transient Facility Survey by Erica Hammerstein, S. Bradley Cenko, Suvi Gezari, Sylvain Veilleux, Brendan O’Connor, Sjoert van Velzen, Charlotte Ward, Yuhan Yao, Matthew Graham

    Published in The Astrophysical Journal (2023-01-01)
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  3. 3

    Mid-infrared Outbursts in Nearby Galaxies: Nuclear Obscuration and Connections to Hidden Tidal Disruption Events and Changing-look Active Galactic Nuclei by Sierra A. Dodd, Arya Nukala, Isabelle Connor, Katie Auchettl, K. D. French, Jamie A. P. Law-Smith, Erica Hammerstein, Enrico Ramirez-Ruiz

    Published in The Astrophysical Journal Letters (2023-01-01)
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  4. 4

    VLASS Tidal Disruption Events with Optical Flares. I. The Sample and a Comparison to Optically Selected TDEs by Jean J. Somalwar, Vikram Ravi, Dillon Z. Dong, Erica Hammerstein, Gregg Hallinan, Casey Law, Jessie Miller, Steven T. Myers, Yuhan Yao, Richard Dekany, Matthew Graham, Steven L. Groom, Josiah Purdum, Avery Wold

    Published in The Astrophysical Journal (2025-01-01)
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  5. 5

    tdescore: An Accurate Photometric Classifier for Tidal Disruption Events by Robert Stein, Ashish Mahabal, Simeon Reusch, Matthew Graham, Mansi M. Kasliwal, Marek Kowalski, Suvi Gezari, Erica Hammerstein, Szymon J. Nakoneczny, Matt Nicholl, Jesper Sollerman, Sjoert van Velzen, Yuhan Yao, Russ R. Laher, Ben Rusholme

    Published in The Astrophysical Journal Letters (2024-01-01)
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  6. 6

    Panic at the ISCO: Time-varying Double-peaked Broad Lines from Evolving Accretion Disks Are Common among Optically Variable AGNs by Charlotte Ward, Suvi Gezari, Peter Nugent, Matthew Kerr, Michael Eracleous, Sara Frederick, Erica Hammerstein, Matthew J. Graham, Sjoert van Velzen, Mansi M. Kasliwal, Russ R. Laher, Frank J. Masci, Josiah Purdum, Benjamin Racine, Roger Smith

    Published in The Astrophysical Journal (2024-01-01)
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  7. 7

    The First Systematically Identified Repeating Partial Tidal Disruption Event by Jean J. Somalwar, Vikram Ravi, Yuhan Yao, Muryel Guolo, Matthew Graham, Erica Hammerstein, Wenbin Lu, Matt Nicholl, Yashvi Sharma, Robert Stein, Sjoert van Velzen, Eric C. Bellm, Michael W. Coughlin, Steven L. Groom, Frank J. Masci, Reed Riddle

    Published in The Astrophysical Journal (2025-01-01)
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  8. 8

    A Reemerging Bright Soft X-Ray State of the Changing-look Active Galactic Nucleus 1ES 1927+654: A Multiwavelength View by Ritesh Ghosh, Sibasish Laha, Eileen Meyer, Agniva Roychowdhury, Xiaolong Yang, J. A. Acosta–Pulido, Suvendu Rakshit, Shivangi Pandey, Josefa Becerra González, Ehud Behar, Luigi C. Gallo, Francesca Panessa, Stefano Bianchi, Fabio La Franca, Nicolas Scepi, Mitchell C. Begelman, Anna Lia Longinotti, Elisabeta Lusso, Samantha Oates, Matt Nicholl, S. Bradley Cenko, Brendan O’Connor, Erica Hammerstein, Jincen Jose, Krisztina Éva Gabányi, Federica Ricci, Sabyasachi Chattopadhyay

    Published in The Astrophysical Journal (2023-01-01)
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  9. 9

    A Sensitive Search for Supernova Emission Associated with the Extremely Energetic and Nearby GRB 221009A by Gokul P. Srinivasaragavan, Brendan O’Connor, S. Bradley Cenko, Alexander J. Dittmann, Sheng Yang, Jesper Sollerman, G. C. Anupama, Sudhanshu Barway, Varun Bhalerao, Harsh Kumar, Vishwajeet Swain, Erica Hammerstein, Isiah Holt, Shreya Anand, Igor Andreoni, Michael W. Coughlin, Simone Dichiara, Avishay Gal-Yam, M. Coleman Miller, Jaime Soon, Roberto Soria, Joseph Durbak, James H. Gillanders, Sibasish Laha, Anna M. Moore, Fabio Ragosta, Eleonora Troja

    Published in The Astrophysical Journal Letters (2023-01-01)
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  10. 10

    Tidal Disruption Event Demographics with the Zwicky Transient Facility: Volumetric Rates, Luminosity Function, and Implications for the Local Black Hole Mass Function by Yuhan Yao, Vikram Ravi, Suvi Gezari, Sjoert van Velzen, Wenbin Lu, Steve Schulze, Jean J. Somalwar, S. R. Kulkarni, Erica Hammerstein, Matt Nicholl, Matthew J. Graham, Daniel A. Perley, S. Bradley Cenko, Robert Stein, Angelo Ricarte, Urmila Chadayammuri, Eliot Quataert, Eric C. Bellm, Joshua S. Bloom, Richard Dekany, Andrew J. Drake, Steven L. Groom, Ashish A. Mahabal, Thomas A. Prince, Reed Riddle, Ben Rusholme, Yashvi Sharma, Jesper Sollerman, Lin Yan

    Published in The Astrophysical Journal Letters (2023-01-01)
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  11. 11

    Characterization of a Peculiar Einstein Probe Transient EP240408a: An Exotic Gamma-Ray Burst or an Abnormal Jetted Tidal Disruption Event? by Brendan O’Connor, Dheeraj Pasham, Igor Andreoni, Jeremy Hare, Paz Beniamini, Eleonora Troja, Roberto Ricci, Dougal Dobie, Joheen Chakraborty, Mason Ng, Noel Klingler, Viraj Karambelkar, Sam Rose, Steve Schulze, Geoffrey Ryan, Simone Dichiara, Itumeleng Monageng, David Buckley, Lei Hu, Gokul P. Srinivasaragavan, Gabriele Bruni, Tomás Cabrera, S. Bradley Cenko, Hendrik van Eerten, James Freeburn, Erica Hammerstein, Mansi Kasliwal, Chryssa Kouveliotou, Keerthi Kunnumkai, James K. Leung, Amy Lien, Antonella Palmese, Takanori Sakamoto

    Published in The Astrophysical Journal Letters (2025-01-01)
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  12. 12

    The Final Season Reimagined: 30 Tidal Disruption Events from the ZTF-I Survey by Erica Hammerstein, Sjoert van Velzen, Suvi Gezari, S. Bradley Cenko, Yuhan Yao, Charlotte Ward, Sara Frederick, Natalia Villanueva, Jean J. Somalwar, Matthew J. Graham, Shrinivas R. Kulkarni, Daniel Stern, Igor Andreoni, Eric C. Bellm, Richard Dekany, Suhail Dhawan, Andrew J. Drake, Christoffer Fremling, Pradip Gatkine, Steven L. Groom, Anna Y. Q. Ho, Mansi M. Kasliwal, Viraj Karambelkar, Erik C. Kool, Frank J. Masci, Michael S. Medford, Daniel A. Perley, Josiah Purdum, Jan van Roestel, Yashvi Sharma, Jesper Sollerman, Kirsty Taggart, Lin Yan

    Published in The Astrophysical Journal (2022-01-01)
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  13. 13

    Subrelativistic Outflow and Hours-timescale Large-amplitude X-Ray Dips during Super-Eddington Accretion onto a Low-mass Massive Black Hole in the Tidal Disruption Event AT2022lri by Yuhan Yao, Muryel Guolo, Francesco Tombesi, Ruancun Li, Suvi Gezari, Javier A. García, Lixin Dai, Ryan Chornock, Wenbin Lu, S. R. Kulkarni, Keith C. Gendreau, Dheeraj R. Pasham, S. Bradley Cenko, Erin Kara, Raffaella Margutti, Yukta Ajay, Thomas Wevers, Tom M. Kwan, Igor Andreoni, Joshua S. Bloom, Andrew J. Drake, Matthew J. Graham, Erica Hammerstein, Russ R. Laher, Natalie LeBaron, Ashish A. Mahabal, Brendan O’Connor, Josiah Purdum, Vikram Ravi, Huei Sears, Yashvi Sharma, Roger Smith, Jesper Sollerman, Jean J. Somalwar, Avery Wold

    Published in The Astrophysical Journal (2024-01-01)
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  14. 14

    A Massive Black Hole 0.8 kpc from the Host Nucleus Revealed by the Offset Tidal Disruption Event AT2024tvd by Yuhan Yao, Ryan Chornock, Charlotte Ward, Erica Hammerstein, Itai Sfaradi, Raffaella Margutti, Luke Zoltan Kelley, Wenbin Lu, Chang Liu, Jacob Wise, Jesper Sollerman, Kate D. Alexander, Eric C. Bellm, Andrew J. Drake, Christoffer Fremling, Marat Gilfanov, Matthew J. Graham, Steven L. Groom, K. R. Hinds, S. R. Kulkarni, Adam A. Miller, James C. A. Miller-Jones, Matt Nicholl, Daniel A. Perley, Josiah Purdum, Vikram Ravi, R. Michael Rich, Nabeel Rehemtulla, Reed Riddle, Roger Smith, Robert Stein, Rashid Sunyaev, Sjoert van Velzen, Avery Wold

    Published in The Astrophysical Journal Letters (2025-01-01)
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  15. 15

    SN 2023zaw: An Ultrastripped, Nickel-poor Supernova from a Low-mass Progenitor by Kaustav K. Das, Christoffer Fremling, Mansi M. Kasliwal, Steve Schulze, Jesper Sollerman, Viraj Karambelkar, Sam Rose, Shreya Anand, Igor Andreoni, Marie Aubert, Sean J. Brennan, S. Bradley Cenko, Michael W. Coughlin, B. O’Connor, Kishalay De, Jim Fuller, Matthew Graham, Erica Hammerstein, Annastasia Haynie, K-Ryan Hinds, Io Kleiser, S. R. Kulkarni, Zeren Lin, Chang Liu, Ashish A. Mahabal, Christopher Martin, Adam A. Miller, James D. Neill, Daniel A. Perley, Priscila J. Pessi, Nikolaus Z. Prusinski, Josiah Purdum, Vikram Ravi, Ben Rusholme, Samantha Wu, Avery Wold, Lin Yan

    Published in The Astrophysical Journal Letters (2024-01-01)
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  16. 16

    The First Radio-bright Off-nuclear Tidal Disruption Event AT 2024tvd Reveals the Fastest-evolving Double-peaked Radio Emission by Itai Sfaradi, Raffaella Margutti, Ryan Chornock, Kate D. Alexander, Brian D. Metzger, Paz Beniamini, Rodolfo Barniol Duran, Yuhan Yao, Assaf Horesh, Wael Farah, Edo Berger, Nayana A. J., Yvette Cendes, Tarraneh Eftekhari, Rob Fender, Noah Franz, Dave A. Green, Erica Hammerstein, Wenbin Lu, Eli Wiston, Yirmi Bernstein, Joe Bright, Collin T. Christy, Luigi F. Cruz, David R. DeBoer, Walter W. Golay, Adelle J. Goodwin, Mark Gurwell, Garrett K. Keating, Tanmoy Laskar, James C. A. Miller-Jones, Alexander W. Pollak, Ramprasad Rao, Andrew Siemion, Sofia Z. Sheikh, Nadav Shoval, Sjoert van Velzen

    Published in The Astrophysical Journal Letters (2025-01-01)
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  17. 17

    Characterizing the Ordinary Broad-line Type Ic SN 2023pel from the Energetic GRB 230812B by Gokul P. Srinivasaragavan, Vishwajeet Swain, Brendan O’Connor, Shreya Anand, Tomás Ahumada, Daniel Perley, Robert Stein, Jesper Sollerman, Christoffer Fremling, S. Bradley Cenko, S. Antier, Nidhal Guessoum, Thomas Hussenot-Desenonges, Patrice Hello, Stephen Lesage, Erica Hammerstein, M. Coleman Miller, Igor Andreoni, Varun Bhalerao, Joshua S. Bloom, Anirban Dutta, Avishay Gal-Yam, K-Ryan Hinds, Amruta Jaodand, Mansi Kasliwal, Harsh Kumar, Alexander S. Kutyrev, Fabio Ragosta, Vikram Ravi, Kritti Sharma, Rishabh Singh Teja, Sheng Yang, G. C. Anupama, Eric C. Bellm, Michael W. Coughlin, Ashish A. Mahabal, Frank J. Masci, Utkarsh Pathak, Josiah Purdum, Oliver J. Roberts, Roger Smith, Avery Wold

    Published in The Astrophysical Journal Letters (2024-01-01)
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