159 citations · 3.7k across the 140 of their papers we have counts for
24 papers · 1 filter
SN 2021fxy: Mid-Ultraviolet Flux Suppression is a Common Feature of Type Ia Supernovae
J. M. DerKacy, S. Paugh, E. Baron +26
We present ultraviolet (UV) to near-infrared (NIR) observations and analysis of the nearby Type Ia supernova SN 2021fxy. Our observations include UV photometry from Swift/UVOT, UV…
Revealing the progenitor of SN 2021zby through analysis of the shock-cooling light curve
Qinan Wang, Patrick Armstrong, Yossef Zenati +34
We present early observations and analysis of the double-peaked Type IIb supernova (SN IIb) 2021zby. captured the prominent early shock cooling peak of SN 2021zby within the…
SALT3-NIR: Taking the Open-Source Type Ia Supernova Model to Longer Wavelengths for Next-Generation Cosmological Measurements
J. D. R. Pierel, D. O. Jones, W. D. Kenworthy +32
A large fraction of Type Ia supernova (SN Ia) observations over the next decade will be in the near-infrared (NIR), at wavelengths beyond the reach of the current standard light-cu…
Reveals Spectacular Light Echoes Associated with the Stripped-envelope Supernova 2016adj in the Iconic Dust Lane of Centaurus A
Maximilian Stritzinger, Francesco Taddia, Stephen S. Lawrence +6
We present a multi-band sequence of images documenting the emergence and evolution of multiple light echoes (LEs) linked to the stripped-envelope supernova…
Using 1991T/1999aa-like Type Ia Supernovae as Standardizable Candles
Jiawen Yang, Lifan Wang, Nicholas Suntzeff +13
We present the photometry of 16 91T/99aa-like Type Ia Supernovae (SNe Ia) observed by the Las Cumbres Observatory. We also use an additional set of 21 91T/99aa-like SNe Ia and 87 n…
Spectropolarimetry of the Thermonuclear Supernova 2021rhu: High Calcium Polarization 79 Days After Peak Luminosity
Yi Yang, Huirong Yan, Lifan Wang +19
We report spectropolarimetric observations of the Type Ia supernova (SN) 2021rhu at four epochs: 7, +0, +36, and +79 days relative to its -band maximum luminosity. A waveleng…
HostPhot: global and local photometry of galaxies hosting supernovae or other transients
Tomás E. Müller-Bravo, Lluís Galbany
Type Ia supernovae (SNe Ia) have assumed a fundamental role as cosmological distance indicators since the discovery of the accelerating expansion rate of the universe. Correlations…
Exploring stellar and ionized gas non--circular motions in barred galaxies with MUSE
Carlos Lopez-Coba, Sebastian F. Sanchez, Lihwai Lin +5
We present MUSE integral field stellar and ionized velocity maps for a sample of 14 barred galaxies. Most of these objects exhibit "S"-shape iso-velocities in the bar region indica…
Examining the Properties of Low-Luminosity Hosts of Type Ia Supernovae from ASAS-SN
Thomas W. -S. Holoien, Vera L. Berger, Jason T. Hinkle +14
We present a spectroscopic analysis of 44 low-luminosity host galaxies of Type Ia supernovae (SNe Ia) detected by the All-Sky Automated Survey for Supernovae (ASAS-SN), using the e…
A galaxy-driven model of type Ia supernova luminosity variations
P. Wiseman, M. Vincenzi, M. Sullivan +59
Type Ia supernovae (SNe Ia) are used as standardisable candles to measure cosmological distances, but differences remain in their corrected luminosities which display a magnitude s…
Core-collapse Supernovae in the Dark Energy Survey: Luminosity Functions and Host Galaxy Demographics
M. Grayling, C. P. Gutiérrez, M. Sullivan +73
We present the luminosity functions and host galaxy properties of the Dark Energy Survey (DES) core-collapse supernova (CCSN) sample, consisting of 69 Type II and 50 Type Ibc spect…
SN 2016dsg: A Thermonuclear Explosion Involving A Thick Helium Shell
Yize Dong, Stefano Valenti, Abigail Polin +29
A thermonuclear explosion triggered by a helium-shell detonation on a carbon-oxygen white dwarf core has been predicted to have strong UV line blanketing at early times due to the…
The Dark Energy Survey Supernova Program results: Type Ia Supernova brightness correlates with host galaxy dust
Cole Meldorf, Antonella Palmese, Dillon Brout +68
Cosmological analyses with type Ia supernovae (SNe Ia) often assume a single empirical relation between color and luminosity () and do not account for varying host-galaxy dust p…
The origin and evolution of the normal Type Ia SN 2018aoz with infant-phase reddening and excess emission
Yuan Qi Ni, Dae-Sik Moon, Maria R. Drout +40
SN~2018aoz is a Type Ia SN with a -band plateau and excess emission in the infant-phase light curves 1 day after first light, evidencing an over-density of surface ir…
A possible surviving companion of the SN Ia in the Galactic SNR G272.2-3.2
Pilar Ruiz-Lapuente, Jonay I. González Hernández, Régis Cartier +4
We use the {\it Gaia} EDR3 to explore the Galactic supernova remnant SNR G272.2-3.2, produced by the explosion of a Type Ia supernova (SNIa), about 7,500 years ago, to search for a…
A Speed Bump: SN 2021aefx Shows that Doppler Shift Alone can Explain Early-Excess Blue Flux in Some Type Ia Supernovae
C. Ashall, J. Lu, B. J. Shappee +17
We present early-time photometric and spectroscopic observations of the Type Ia Supernova (SN Ia) 2021aefx. The early time u-band light curve shows an excess flux when compared to…
pyHIIextractor: A tool to detect and extract physical properties of HII regions from Integral Field Spectroscopic data
A. Z. Lugo-Aranda, S. F. Sánchez, C. Espinosa-Ponce +5
We present a new code named pyHIIextractor, which detects and extracts the main features (positions and radii) of clumpy ionized regions, i.e. candidate HII regions, using Hα emiss…
Low luminosity Type II supernovae -- IV. SN 2020cxd and SN 2021aai, at the edges of the sub-luminous supernovae class
G. Valerin, M. L. Pumo, A. Pastorello +20
Photometric and spectroscopic data for two Low Luminosity Type IIP Supernovae (LL SNe IIP) are presented. SN 2020cxd reaches a peak absolute magnitude = -13.90 0.05 m…
A 5% measurement of the Hubble constant from Type II supernovae
T. de Jaeger, L. Galbany, A. G. Riess +4
The most stringent local measurement of the Hubble-Lemaître constant from Cepheid-calibrated Type Ia supernovae (SNe~Ia) differs from the value inferred via the cosmic microwave ba…
Measuring Cosmological Parameters with Type Ia Supernovae in redMaGiC galaxies
R. Chen, D. Scolnic, E. Rozo +82
Current and future cosmological analyses with Type Ia Supernovae (SNe Ia) face three critical challenges: i) measuring redshifts from the supernova or its host galaxy; ii) classify…
Infant-phase reddening by surface Fe-peak elements in a normal Type Ia Supernova
Yuan Qi Ni, Dae-Sik Moon, Maria R. Drout +41
Type Ia Supernovae are thermonuclear explosions of white dwarf stars. They play a central role in the chemical evolution of the Universe and are an important measure of cosmologica…
HII regions in CALIFA survey: II. The relation between their physical properties and galaxy evolution
C. Espinosa-Ponce, S. F. Sánchez, C. Morisset +5
We present in here the exploration of the physical properties of the sample of HII regions and aggregations of the last HII regions catalog of the CALIFA survey. This sample compri…
The Dark Energy Survey 5-year photometrically identified Type Ia Supernovae
A. Möller, M. Smith, M. Sako +80
As part of the cosmology analysis using Type Ia Supernovae (SN Ia) in the Dark Energy Survey (DES), we present photometrically identified SN Ia samples using multi-band light-curve…
Cosmological Results from the RAISIN Survey: Using Type Ia Supernovae in the Near Infrared as a Novel Path to Measure the Dark Energy Equation of State
D. O. Jones, K. S. Mandel, R. P. Kirshner +26
Type Ia supernovae (SNe Ia) are more precise standardizable candles when measured in the near-infrared (NIR) than in the optical. With this motivation, from 2012-2017 we embarked o…