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Chandra X-ray Constraints on the Candidate Ca-rich Gap Transient SN 2016hnk
P. H. Sell, K. Arur, T. J. Maccarone +4
We present a Chandra observation of SN 2016hnk, a candidate Ca-rich gap transient. This observation was specifically designed to test whether or not this transient was the result o…
The early detection and follow-up of the highly obscured Type II supernova 2016ija/DLT16am
L. Tartaglia, D. J. Sand, S. Valenti +45
We present our analysis of the Type II supernova DLT16am (SN~2016ija). The object was discovered during the ongoing (DLT40) one day cadence supernova search a…
2FGL J0846.0+2820: A new neutron star binary with a giant secondary and variable -ray emission
Samuel J. Swihart, Jay Strader, Tyrel J. Johnson +11
We present optical photometric and spectroscopic observations of the likely stellar counterpart to the unassociated \emph{Fermi}-Large Area Telescope (LAT) -ray source 2FGL J084…
An empirical limit on the kilonova rate from the DLT40 one day cadence Supernova Survey
Sheng Yang, Stefano Valenti, Enrico Cappellaro +6
Binary neutron star mergers are important to understand stellar evolution, the chemical enrichment of the universe via the r-process, the physics of short gamma-ray bursts, gravita…
SN 2016coi/ASASSN-16fp: An example of residual helium in a type Ic supernova?
S. J. Prentice, C. Ashall, P. A. Mazzali +35
The optical observations of Ic-4 supernova (SN) 2016coi/ASASSN-16fp, from to days after explosion, are presented along with analysis of its physical properties.…
Nebular-Phase Spectra of Nearby Type Ia Supernovae
Melissa L. Graham, Sahana Kumar, Griffin Hosseinzadeh +8
We present late-time spectra of eight Type Ia supernovae (SNe Ia) obtained at days after peak brightness using the Gemini South and Keck telescopes. All of the SNe Ia in our…