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Linking Extragalactic Transients and their Host Galaxy Properties: Transient Sample, Multi-Wavelength Host Identification, and Database Construction
Yu-Jing Qin, Ann Zabludoff, Marina Kisley +7
Understanding the preferences of transient types for host galaxies with certain characteristics is key to studies of transient physics and galaxy evolution, as well as to transient…
Close, bright and boxy: the superluminous SN 2018hti
A. Fiore, S. Benetti, M. Nicholl +37
SN 2018hti was a very nearby (z=0.0614) superluminous supernova with an exceedingly bright absolute magnitude of -21.7 mag in r-band at maximum. The densely sampled pre-maximum lig…
A targeted search for strongly lensed supernovae with the Las Cumbres Observatory
Peter Craig, Kyle O'Connor, Sukanya Chakrabarti +4
Gravitationally lensed supernovae (glSNe) are of interest for time delay cosmology and SN physics. However, glSNe detections are rare, owing to the intrinsic rarity of SN explosion…
Less than 1% of Core-Collapse Supernovae in the local universe occur in elliptical galaxies
I. Irani, S. J. Prentice, S. Schulze +39
We present observations of three Core-collapse supernovae (CCSNe) in elliptical hosts, detected by the Zwicky Transient Facility Bright Transient Survey (BTS). SN 2019ape is a SN I…
Circumstellar Interaction Powers the Light Curves of Luminous Rapidly Evolving Optical Transients
C. Pellegrino, D. A. Howell, J. Vinkó +16
Rapidly evolving transients, or objects that rise and fade in brightness on timescales two to three times shorter than those of typical Type Ia or Type II supernovae (SNe), have un…
A young spectroscopic binary in a quintuple system part of the Local Association
Carlos Cardona Guillén, Nicolas Lodieu, Víctor J. S. Béjar +9
Double-lined spectroscopic binaries (SB2) allow us to determine a lower limit of the masses of their components directly to test stellar models. In this work, our aim is to derive…