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Carnegie Supernova Project. II. NIR sp. of SNIa
We present the largest and most homogeneous collection of near-infrared (NIR) spectra of Type Ia supernovae (SNe Ia): 339 spectra of 98 individual SNe obtained as part of the... -
BVI light curves and sp. of Type Ia SN 2018aoz
SN 2018aoz is a Type Ia SN with a B-band plateau and excess emission in infant-phase light curves <~1d after the first light, evidencing an over-density of surface iron-peak... -
ZTF transient sources with HETDEX spectra
We have extracted 636 spectra taken at the positions of 583 transient sources from the third data release of the Hobby-Eberly Telescope Dark Energy eXperiment (HETDEX). The... -
Type Ibn SN 2019kbj optical LCs and spectra
Type Ibn supernovae (SNe) are a rare class of stellar explosions whose progenitor systems are not yet well determined. We present and analyze observations of the Type Ibn SN... -
Follow-up phot. & sp. of type IIP SN2018lab
We present photometric and spectroscopic data of SN 2018lab, a low-luminosity Type IIP supernova (LLSN) with a V-band peak luminosity of -15.1+/-0.1mag. SN 2018lab was... -
Photometric obs. of SN 2022ilv and SN 2020hvf
We present observations and analysis of the hostless and luminous Type Ia supernova 2022ilv, illustrating it is part of the 2003fg-like family, often referred to as... -
SN 2021zby optical light curves and spectra
We present early observations and analysis of the double-peaked Type IIb supernova (SN IIb) SN 2021zby. TESS captured the prominent early shock-cooling peak of SN 2021zby within... -
Hydrogen-poor superluminous SNe from ZTF Phase I. II.
We present analysis of the light curves (LCs) of 77 hydrogen-poor superluminous supernovae (SLSNe I) discovered during the Zwicky Transient Facility Phase I operation. We find... -
Hydrogen-poor superluminous SNe from ZTF Phase I. I.
During the Zwicky Transient Facility (ZTF) Phase I operations, 78 hydrogen-poor superluminous supernovae (SLSNe-I) were discovered in less than 3yr, constituting the largest... -
0.9-18um obs. of SN 2021afdx
We present near- and mid-infrared (0.9-18{mu}m) photometry of supernova (SN) 2021afdx, which was imaged serendipitously with the James Webb Space Telescope (JWST) as part of its... -
X-ray SN2014C obs. & CSM interaction in SNe
We present the results from our 7yr long broadband X-ray observing campaign of SN 2014C with Chandra and NuSTAR. These coordinated observations represent the first look at the... -
UV & opt. phot. & spectra of Type Ia SN2011aa
We present optical observations and Monte Carlo radiative transfer modeling of the Type Ia supernova (SN Ia) SN 2011aa. With a {Delta}m_15_(B) of 0.59+/-0.07mag and a peak... -
Multiepoch opt. obs. of 91T/99aa-like SNe Ia
We present the photometry of 16 91T/99aa-like Type Ia Supernovae (SNeIa) observed by the Las Cumbres Observatory. We also use an additional set of 21 91T/99aa-like SNe Ia and 87... -
Follow-up phot. and sp. of 4 SNe Icn
We present a sample of Type Icn supernovae (SNe Icn), a newly discovered class of transients characterized by their interaction with H- and He-poor circumstellar material (CSM).... -
Optical phot. and sp. monitoring of SN 2019esa
We present photometric and spectroscopic observations of the nearby (D~28Mpc) interacting supernova (SN) 2019esa, discovered within hours of explosion and serendipitously... -
The Pantheon+ analysis: cosmological constraints
We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNeIa) ranging in redshift from z=0.001... -
UV and optical spectra of type IIP SN2021yja
We present three epochs of early-time ultraviolet (UV) and optical HST/STIS spectroscopy of the young, nearby Type IIP supernova (SN) 2021yja. We complement the HST data with... -
Follow-up LCO photometry & spectra of SN 2016dsg
A thermonuclear explosion triggered by a He-shell detonation on a carbon-oxygen white-dwarf core has been predicted to have strong UV line blanketing at early times due to the... -
LCs and spectra of type Ia SN 2021aefx
We present high-cadence optical and ultraviolet light curves of the normal Type Ia supernova (SN) 2021aefx, which shows an early bump during the first two days of observation.... -
Photometry and spectroscopy of ASASSN-17jz
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...
