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19952026
most citedThe Man Behind the Curtain: X-rays Drive the UV through NIR Variability in the 2013 AGN Outburst in NGC 2617

1.9k citations

Showing 2019 · astro-ph.HEShow all

15 papers · 2 filters

astro-ph.HE2019★ 23 cited

LSQ13ddu: A rapidly-evolving stripped-envelope supernova with early circumstellar interaction signatures

Peter Clark, Kate Maguire, Cosimo Inserra +30

This paper describes the rapidly evolving and unusual supernova LSQ13ddu, discovered by the La Silla-QUEST survey. LSQ13ddu displayed a rapid rise of just 4.80.9 d to reach a…

astro-ph.HE2019★ 4 cited

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…

astro-ph.HE2019★ 34 cited

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…

astro-ph.HE2019★ 25 cited

Luminous Type II supernovae for their low expansion velocities

Ó. Rodríguez, G. Pignata, J. P. Anderson +27

We present optical and near-IR data of three Type II supernovae (SNe II), SN 2008bm, SN 2009aj, and SN 2009au. These SNe display the following common characteristics: signs of earl…

astro-ph.HE2019★ 41 cited

Variable H Emission in the Nebular Spectra of the Low-Luminosity Type Ia SN2018cqj/ATLAS18qtd

Jose L. Prieto, Ping Chen, Subo Dong +6

We present optical photometry and spectroscopy of the Type Ia supernova SN2018cqj/ATLAS18qtd. The supernova exploded in an isolated region at ~kpc from the S0 galaxy IC~55…

astro-ph.HE2019★ 39 cited

Comparison of the optical light curves of hydrogen-rich and hydrogen-poor type II supernovae

P. J. Pessi, G. Folatelli, J. P. Anderson +12

Type II supernovae (SNe II) show strong hydrogen features in their spectra throughout their whole evolution while type IIb supernovae (SNe IIb) spectra evolve from dominant hydroge…