191 citations · 1.8k across the 45 of their papers we have counts for
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Optical Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Projects I and II
N. Morrell, M. M. Phillips, G. Folatelli +57
We present the second and final release of optical spectroscopy of Type Ia Supernovae (SNe Ia) obtained during the first and second phases of the Carnegie Supernova Project (CSP-I…
The metamorphosis of the Type Ib SN 2019yvr: late-time interaction
Lucía Ferrari, Gastón Folatelli, Hanindyo Kuncarayakti +32
We present observational evidence of late-time interaction between the ejecta of the hydrogen-poor Type Ib supernova (SN) 2019yvr and hydrogen-rich circumstellar material (CSM), si…
The carbon-rich type Ic supernova 2016adj in the iconic dust lane of Centaurus A: signatures of interaction with circumstellar hydrogen?
Maximilian D. Stritzinger, Eddie Baron, Francesco Taddia +24
We present a comprehensive data set of supernova (SN) 2016adj located within the central dust lane of Centaurus A. SN 2016adj is significantly reddened and after correcting the pea…
The Carnegie Supernova Project-I. Spectroscopic analysis of stripped-envelope supernovae
S. Holmbo, M. D. Stritzinger, E. Karamehmetoglu +14
An analysis leveraging 170 optical spectra of 35 stripped-envelope (SE) core-collapse supernovae observed by the Carnegie Supernova Project-I and published in a companion paper is…
The Carnegie Supernova Project-I. Optical spectroscopy of stripped-envelope supernovae
M. D. Stritzinger, S. Holmbo, N. Morrell +14
We present 170 optical spectra of 35 low-redshift stripped-envelope core-collapse supernovae observed by the Carnegie Supernova Project-I between 2004 and 2009. The data extend fro…
Carnegie Supernova Project-II: Near-infrared spectral diversity and template of Type Ia Supernovae
Jing Lu, Eric Y. Hsiao, Mark M. Phillips +30
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 Carne…
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…
The ASAS-SN Bright Supernova Catalog -- V. 2018-2020
K. D. Neumann, T. W. -S. Holoien, C. S. Kochanek +55
We catalog the 443 bright supernovae discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN) in along with the 519 supernovae recovered by ASAS-SN and 516 a…
ASAS-SN follow-up of IceCube high-energy neutrino alerts
Jannis Necker, Thomas de Jaeger, Robert Stein +12
We report on the search for optical counterparts to IceCube neutrino alerts released between April 2016 and August 2021 with the All-Sky Automated Survey for SuperNovae (ASAS-SN).…
Carnegie Supernova Project-II: Near-infrared Spectroscopy of Stripped-Envelope Core-Collapse Supernovae
M. Shahbandeh, E. Y. Hsiao, C. Ashall +29
We present 75 near-infrared (NIR; 0.82.5 m) spectra of 34 stripped-envelope core-collapse supernovae (SESNe) obtained by the Carnegie Supernova Project-II (CSP-II), encompass…
How low can you go? SN 2018zd as a low-mass Fe core-collapse supernova
E. Callis, M. Fraser, A. Pastorello +38
We present spectroscopy and photometry of SN 2018zd, a Type IIP core-collapse supernova with signatures of interaction with circumstantial material in its earliest spectra. High io…
A Tale of Two Type Ia Supernovae: The fast-declining siblings SNe 2015bo and 1997cn
W. B. Hoogendam, C. Ashall, L. Galbany +18
We present optical and near-infrared photometric and spectroscopic observations of the fast-declining Type Ia Supernova (SN) 2015bo. SN 2015bo is under-luminous (M = -17.67 $\p…
Intermediate-luminosity red transients: Spectrophotometric properties and connection to electron-capture supernova explosions
Y. -Z. Cai, A. Pastorello, M. Fraser +56
We present the spectroscopic and photometric study of five intermediate-luminosity red transients (ILRTs), namely AT 2010dn, AT 2012jc, AT 2013la, AT 2013lb, and AT 2018aes. They s…
ASAS-SN search for optical counterparts of gravitational-wave events from the third observing run of Advanced LIGO/Virgo
T. de Jaeger, B. J. Shappee, C. S. Kochanek +6
We report on the search for electromagnetic counterparts to the nine gravitational-wave events with a 60\% probability of containing a neutron star during the third (O3) LIGO-Vi…
ASASSN-15hy: an under-luminous, red 03fg-like type Ia supernova
J. Lu, C. Ashall, E. Y. Hsiao +33
We present photometric and spectroscopic observations of the 03fg-like type Ia supernova (SN Ia) ASASSN-15hy from the ultraviolet (UV) to the near-infrared (NIR). ASASSN-15hy share…
The Carnegie Supernova Project II. Observations of SN 2014ab possibly revealing a 2010jl-like SN IIn with pre-existing dust
T. J. Moriya, M. D. Stritzinger, F. Taddia +18
We present optical and near-infrared photometry and spectroscopy of the Type IIn supernova (SN) 2014ab, obtained by the Carnegie Supernova Project II (CSP-II) and initiated immedia…
The Carnegie Supernova Project II. Observations of the intermediate luminosity red transient SNhunt120
M. D. Stritzinger, F. Taddia, M. Fraser +23
We present multi-wavelength observations of two gap transients followed by the Carnegie Supernova Project-II and supplemented with data obtained by a number of different programs.…
The Carnegie Supernova Project II. Observations of the luminous red nova AT 2014ej
M. D. Stritzinger, F. Taddia, M. Fraser +29
We present optical and near-infrared broadband photometry and optical spectra of AT 2014ej from the the Carnegie Supernova Project-II. These observations are complemented with data…
Carnegie Supernova Project-II: A new method to photometrically identify sub-types of extreme Type Ia Supernovae
C. Ashall, J. Lu, C. Burns +16
We present a new method to photometrically delineate between various sub-types of type Ia supernovae (SNe Ia). Using the color-stretch parameters, or , and the tim…
The Carnegie Supernova Project II. Early observations and progenitor constraints of the Type Ib supernova LSQ13abf
M. D. Stritzinger, F. Taddia, S. Holmbo +19
Supernova LSQ13abf was discovered soon after explosion by the La Silla-QUEST Survey and followed by the CSP II at optical and near-IR wavelengths. Our analysis indicates LSQ13abf w…
Carnegie Supernova Project-II: Near-infrared Spectroscopic Diversity of Type II Supernovae
S. Davis, E. Y. Hsiao, C. Ashall +24
We present near-infrared (NIR) spectra of Type II supernovae (SNe II) from the Carnegie Supernova Project-II (CSP-II), the largest such dataset published to date. We iden…
A Physical Basis for the H-band Blue-edge Velocity and Light-Curve Shape Correlation in Context of Type Ia Supernova Explosion Physics
C. Ashall, P. Hoeflich, E. Y. Hsiao +17
Our recent work demonstrates a correlation between the high-velocity blue edge, , of the iron-peak Fe/Co/Ni -band emission feature and the optical light curve shape of…
The Most Rapidly Declining Type I Supernova 2019bkc/ATLAS19dqr
Ping Chen, Subo Dong, M. D. Stritzinger +21
We report observations of the hydrogen-deficient supernova (SN) 2019bkc/ATLAS19dqr. With B- and r-band decline between peak and 10 days post peak of Delta m_10(B)=5.24+/-0.07 mag a…
Carnegie Supernova Project-II: Using Near-Infrared Spectroscopy to determine the location of the outer Ni in Type Ia Supernovae
C. Ashall, E. Y. Hsiao, P. Hoeflich +17
We present the -band wavelength region of thirty post-maximum light near-infrared (NIR) spectra of fourteen transitional and sub-luminous type Ia supernovae (SNe Ia), extending…