Katie Auchettl

SN2017jgh: a high-cadence complete shock cooling light curve of a SN IIb with the Kepler telescope

P Armstrong, BE Tucker, A Rest, R Ridden-Harper, Y Zenati, AL Piro, S Hinton, C Lidman, S Margheim, G Narayan, E Shaya, P Garnavich, D Kasen, V Villar, A Zenteno, I Arcavi, M Drout, RJ Foley, J Wheeler, J Anais, et al.

Journal article  |  2021  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

SN 2017jgh is a type IIb supernova discovered by Pan-STARRS during the C16/C17 campaigns of the Kepler/K2 mission. Here, we presen..

The loudest stellar heartbeat: characterizing the most extreme amplitude heartbeat star system

T Jayasinghe, CS Kochanek, J Strader, KZ Stanek, PJ Vallely, Todd A Thompson, JT Hinkle, BJ Shappee, AK Dupree, K Auchettl, L Chomiuk, E Aydi, K Dage, A Hughes, L Shishkovsky, K Sokolovsky, S Swihart, KT Voggel, IB Thompson

Journal article  |  2021  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

We characterize the extreme heartbeat star system MACHO 80.7443.1718 in the Large Magellanic Cloud using Transiting Exoplanet Surv..

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

MA Tucker, BJ Shappee, JT Hinkle, JMM Neustadt, M Eracleous, CS Kochanek, JL Prieto, AV Payne, L Galbany, JP Anderson, K Auchettl, C Auge, Thomas W-S Holoien

Journal article  |  2021  |  Monthly Notices of the Royal Astronomical Society

ABSTRACT We present Multi-Unit Spectroscopic Explorer (MUSE) integral-field spectroscopy of ESO 253−G003, which hos..

Discovery of a Fast Iron Low-ionization Outflow in the Early Evolution of the Nearby Tidal Disruption Event AT 2019qiz

Tiara Hung, Ryan J Foley, S Veilleux, SB Cenko, Jane L Dai, Katie Auchettl, Thomas G Brink, Georgios Dimitriadis, Alexei Filippenko, S Gezari, Thomas W-S Holoien, Charles D Kilpatrick, Brenna Mockler, Anthony L Piro, Enrico Ramirez-Ruiz, Cesar Rojas-Bravo, Matthew R Siebert, Sjoert van Velzen, WeiKang Zheng

Journal article  |  2021  |  ASTROPHYSICAL JOURNAL

We report the results of ultraviolet (UV) and optical photometric and spectroscopic analysis of the tidal disruption event (TDE) A..

Illuminating Black Hole Subsystems in Young Star Clusters

Nicholas Kaaz, Kyle Kremer, Katie Auchettl, Enrico Ramirez-Ruiz

Journal article  |  2021  |  ASTROPHYSICAL JOURNAL

There is increasing evidence that globular clusters retain sizeable black hole populations at present day. This is supported by dy..

A unicorn in monoceros: the 3M(circle dot) dark companion to the bright, nearby red giant V723 Mon is a non-interacting, mass-gap black hole candidate

T Jayasinghe, KZ Stanek, Todd A Thompson, CS Kochanek, DM Rowan, PJ Vallely, KG Strassmeier, M Weber, JT Hinkle, F-J Hambsch, D Martin, JL Prieto, T Pessi, D Huber, K Auchettl, LA Lopez, I Ilyin, C Badenes, AW Howard, H Isaacson, et al.

Journal article  |  2021  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

We report the discovery of the closest known black hole candidate as a binary companion to V723 Mon. V723 Mon is a nearby ($d\..

A cool and inflated progenitor candidate for the Type Ib supernova 2019yvr at 2.6 yr before explosion

Charles D Kilpatrick, Maria R Drout, Katie Auchettl, Georgios Dimitriadis, Ryan J Foley, David O Jones, Lindsay DeMarchi, K Decker French, Christa Gall, Jens Hjorth, Wynn Jacobson-Galan, Raffaella Margutti, Anthony L Piro, Enrico Ramirez-Ruiz, Armin Rest, Cesar Rojas-Bravo

Journal article  |  2021  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

We present Hubble Space Telescope imaging of a pre-explosion counterpart to SN 2019yvr obtained 2.6 yr before its explosion as a t..

Distinguishing Tidal Disruption Events from Impostors

Ann Zabludoff, Iair Arcavi, Stephanie La Massa, Hagai B Perets, Benny Trakhtenbrot, B Ashley Zauderer, Katie Auchettl, Jane L Dai, K Decker French, Tiara Hung, Erin Kara, Giuseppe Lodato, W Peter Maksym, Yujing Qin, Enrico Ramirez-Ruiz, Nathaniel Roth, Jessie C Runnoe, Thomas Wevers

Journal article  |  2021  |  SPACE SCIENCE REVIEWS

Recent claimed detections of tidal disruption events (TDEs) in multi-wavelength data have opened potential new windows into the ev..

ASASSN-18am/SN 2018gk: an overluminous Type IIb supernova from a massive progenitor

Subhash Bose, Subo Dong, CS Kochanek, MD Stritzinger, Chris Ashall, Stefano Benetti, E Falco, Alexei Filippenko, Andrea Pastorello, Jose L Prieto, Auni Somero, Tuguldur Sukhbold, Junbo Zhang, Katie Auchettl, Thomas G Brink, JS Brown, Ping Chen, A Fiore, Dirk Grupe, TWS Holoien, et al.

Journal article  |  2021  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

ABSTRACT ASASSN-18am/SN 2018gk is a newly discovered member of the rare group of luminous, hydrogen-rich supernovae..

ASASSN-14ko is a Periodic Nuclear Transient in ESO 253-G003

Anna V Payne, Benjamin J Shappee, Jason T Hinkle, Patrick J Vallely, Christopher S Kochanek, Thomas W-S Holoien, Katie Auchettl, KZ Stanek, Todd A Thompson, Jack MM Neustadt, Michael A Tucker, James D Armstrong, Joseph Brimacombe, Paulo Cacella, Robert Cornect, Larry Denneau, Michael M Fausnaugh, Heather Flewelling, Dirk Grupe, AN Heinze, et al.

Journal article  |  2021  |  ASTROPHYSICAL JOURNAL

We present the discovery that ASASSN-14ko is a periodically flaring active galactic nucleus at the center of the galaxy ESO 253-G0..