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SN 2017egm spectroscopic & photometric obs.
When discovered, SN 2017egm was the closest (redshift z=0.03) hydrogen-poor superluminous supernova (SLSN-I) and a rare case that exploded in a massive and metal-rich galaxy.... -
Extragalactic fast blue optical transients from ZTF
We present a search for extragalactic fast blue optical transients (FBOTs) during Phase I of the Zwicky Transient Facility (ZTF). We identify 38 candidates with durations above... -
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... -
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... -
Multiwavelength monitoring of the type Ib SN 2014C
SN 2014C was originally classified as a Type Ib supernova, but at phase {phi}=127d, post-explosion strong H{alpha} emission was observed. SN 2014C has since been observed in... -
HCT spectroscopic obs. of the type IIP SN 2020jfo
We present spectroscopic and photometric observations of the Type IIP supernova, SN2020jfo, in ultraviolet and optical wavelengths. SN2020jfo occurred in the spiral galaxy M61... -
Spectra of the type Ibn SN 2019wep
We present a high-cadence short term photometric and spectroscopic monitoring campaign of a type Ibn SN 2019wep, which is one of the rare SN Ibn after SNe 2010al and 2019uo to...
