249 citations · 3.9k across the 110 of their papers we have counts for
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An Exceptional Dimming Event for a Massive, Cool Supergiant in M51
Jacob E. Jencson, David J. Sand, Jennifer E. Andrews +6
We present the discovery of an exceptional dimming event in a cool supergiant star in the Local Volume spiral M51. The star, dubbed M51-DS1, was found as part of a Hubble Space Tel…
Circumstellar Medium Constraints on the Environment of Two Nearby Type Ia Supernovae: SN 2017cbv and SN 2020nlb
D. J. Sand, S. K. Sarbadhicary, C. Pellegrino +23
We present deep Chandra X-ray observations of two nearby Type Ia supernovae, SN 2017cbv and SN 2020nlb, which reveal no X-ray emission down to a luminosity 5.3$\time…
Spitzer's Last Look at Extragalactic Explosions: Long-Term Evolution of Interacting Supernovae
Tamás Szalai, Ori D. Fox, Richard G. Arendt +10
Here we present new - and, nevertheless, last - mid-infrared (mid-IR) data for supernovae (SNe) based on measurements with the Spitzer Space Telescope. Comparing our recent 3.6 and…
Enormous explosion energy of Type IIP SN 2017gmr with bipolar Ni-56 ejecta
V. P. Utrobin, N. N. Chugai, J. E. Andrews +7
The unusual Type IIP SN 2017gmr is revisited in order to pinpoint the origin of its anomalous features, including the peculiar light curve after about 100 days. The hydrodynamic mo…
AT 2019qyl in NGC 300: Internal Collisions in the Early Outflow from a Very Fast Nova in a Symbiotic Binary
Jacob E. Jencson, Jennifer E. Andrews, Howard E. Bond +39
Nova eruptions, thermonuclear explosions on the surfaces of white dwarfs (WDs), are now recognized to be among the most common shock-powered astrophysical transients. We present th…
A Bright Ultraviolet Excess in the Transitional 02es-like Type Ia Supernova 2019yvq
J. Burke, D. A. Howell, S. K. Sarbadhicary +14
We present photometric and spectroscopic observations of the nearby Type Ia SN 2019yvq, from its discovery 1 day after explosion to 100 days after its peak brightness.…