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Characterizing the V-band light-curves of hydrogen-rich type II supernovae
We present an analysis of the diversity of V-band light-curves of hydrogen-rich type II supernovae. Analyzing a sample of 116 supernovae, several magnitude measurements are defined, together withExpand
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Gaia17biu/SN 2017egm in NGC 3191: The Closest Hydrogen-poor Superluminous Supernova to Date Is in a “Normal,” Massive, Metal-rich Spiral Galaxy
Hydrogen-poor superluminous supernovae (SLSNe-I) have been predominantly found in low-metallicity, star-forming dwarf galaxies. Here we identify Gaia17biu/SN 2017egm as an SLSN-I occurring in a norExpand
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The Type II-Plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor
We present extensive optical photometric and spectroscopic observations, from 4 to 482 days after explosion, of the Type II-plateau (II-P) supernova (SN) 2017eaw in NGC 6946. SN 2017eaw is a normalExpand
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A Type II Supernova Hubble diagram from the CSP-I, SDSS-II, and SNLS surveys
The coming era of large photometric wide-field surveys will increase the detection rate of supernovae by orders of magnitude. Such numbers will restrict spectroscopic follow-up in the vast majorityExpand
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SN 2016esw: A luminous Type II supernova observed within the first day after the explosion
We present photometry, spectroscopy, and host-galaxy integral-field spectroscopy of the Type II supernova (SN) 2016esw in CGCG~229-009 from the first day after the explosion up to 120 days. ItsExpand
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Spectroscopic Observations of SN 2012fr: A Luminous, Normal Type Ia Supernova with Early High-velocity Features and a Late Velocity Plateau
We present 65 optical spectra of the Type Ia SN 2012fr, 33 of which were obtained before maximum light. At early times, SN 2012fr shows clear evidence of a high-velocity feature (HVF) in the Si IIExpand
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UBVRIz light curves of 51 type II supernovae
Author(s): Galbany, L; Hamuy, M; Phillips, MM; Suntzeff, NB; Maza, J; Jaeger, TD; Moraga, T; Gonzalez-Gaitan, S; Krisciunas, K; Morrell, NI; Thomas-Osip, J; Krzeminski, W; Gonzalez, L; Antezana, R;Expand
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The First Post-Kepler Brightness Dips of KIC 8462852
We present a photometric detection of the first brightness dips of the unique variable star KIC 8462852 since the end of the Kepler space mission in 2013 May. Our regular photometric surveillanceExpand
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A measurement of the Hubble constant from Type II supernovae.
Progressive increases in the precision of the Hubble-constant measurement via Cepheid-calibrated Type Ia supernovae (SNe Ia) have shown a discrepancy of $\sim 4.4\sigma$ with the current valueExpand
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Evidence for a Chandrasekhar-mass explosion in the Ca-strong 1991bg-like type Ia supernova 2016hnk
National Science FoundationNational Science Foundation (NSF) [AST-1613472]; National Science Foundation (NSF)National Science Foundation (NSF) [1715133]; FCTFundacao para a Ciencia e a TecnologiaExpand
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