123 citations · 1.7k across the 70 of their papers we have counts for
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The Whisper of a Whimper of a Bang: 2400 Days of the Type Ia SN 2011fe Reveals the Decay of Fe
M. A. Tucker, B. J. Shappee, C. S. Kochanek +4
We analyze new multi-filter Hubble Space Telescope (HST) photometry of the normal Type Ia supernova (SN Ia) 2011fe out to days after maximum light, the latest observ…
A Rapid Ionization Change in the Nebular-Phase Spectra of the Type Ia SN 2011fe
M. A. Tucker, C. Ashall, B. J. Shappee +3
We present three new spectra of the nearby Type Ia supernova (SN Ia) 2011fe covering days after maximum light and show that the ejecta undergoes a rapid ionizatio…
Measuring an off-Center Detonation through Infrared Line Profiles: The peculiar Type Ia Supernova SN~2020qxp/ASASSN-20jq
P. Hoeflich, C. Ashall, S. Bose +17
We present and analyze a near infrared(NIR) spectrum of the under-luminous Type Ia supernova SN~2020qxp/ASASSN-20jq obtained with NIRES at the Keck Observatory 191 days after B-ban…
Investigating the Nature of the Luminous Ambiguous Nuclear Transient ASASSN-17jz
Thomas W. -S. Holoien, Jack M. M. Neustadt, Patrick J. Vallely +31
We present observations of the extremely luminous but ambiguous nuclear transient (ANT) ASASSN-17jz, spanning roughly 1200 days of the object's evolution. ASASSN-17jz was discovere…
SN 2021csp -- the explosion of a stripped envelope star within a H and He-poor circumstellar medium
Morgan Fraser, Maximilian D. Stritzinger, Sean J. Brennan +48
We present observations of SN 2021csp, a unique supernova (SN) which displays evidence for interaction with H- and He- poor circumstellar material (CSM) at early times. Using high-…
Simultaneous Multiwavelength Flare Observations of EV Lacertae
Rishi R. Paudel, Thomas Barclay, Joshua E. Schlieder +17
We present the first results of our ongoing project conducting simultaneous multiwavelength observations of flares on nearby active M dwarfs. We acquired data of the nearby dM3.5e…
The Curious Case of ASASSN-20hx: A Slowly-Evolving, UV and X-ray Luminous, Ambiguous Nuclear Transient
Jason T. Hinkle, Thomas W. -S. Holoien, Benjamin. J. Shappee +22
We present observations of ASASSN-20hx, a nearby ambiguous nuclear transient (ANT) discovered in NGC 6297 by the All-Sky Automated Survey for Supernovae (ASAS-SN). We observed ASAS…
The Rapid X-ray and UV Evolution of ASASSN-14ko
Anna V. Payne, Benjamin J. Shappee, Jason T. Hinkle +13
ASASSN-14ko is a recently discovered periodically flaring transient at the center of the AGN ESO 253-G003 with a slowly decreasing period. Here we show that the flares originate fr…
Late-Onset Circumstellar Medium Interactions are Rare: An Unbiased GALEX View of Type Ia Supernovae
Liam O. Dubay, Michael A. Tucker, Aaron Do +2
Using ultraviolet (UV) light curves we constrain the circumstellar environments of 1080 Type Ia supernovae (SNe Ia) within from archival Galaxy Evolution Explorer (GALEX) o…
The Changing Look Blazar B2 1420+32
Hora D. Mishra, Xinyu Dai, Ping Chen +22
Blazars are active galactic nuclei with their relativistic jets pointing toward the observer, with two major sub-classes, the flat spectrum radio quasars and BL Lac objects. We pre…