S
Stephen F. Armen
Researcher at San Diego State University
Publications - 7
Citations - 260
Stephen F. Armen is an academic researcher from San Diego State University. The author has contributed to research in topics: Supernova & Light curve. The author has an hindex of 4, co-authored 6 publications receiving 226 citations.
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Journal ArticleDOI
Type II Supernova Energetics and Comparison of Light Curves to Shock-Cooling Models
Adam Rubin,Avishay Gal-Yam,Annalisa De Cia,Assaf Horesh,D. Khazov,Eran O. Ofek,Shrinivas R. Kulkarni,Iair Arcavi,Iair Arcavi,Ilan Manulis,O. Yaron,Paul Vreeswijk,Mansi M. Kasliwal,Sagi Ben-Ami,Daniel A. Perley,Daniel A. Perley,Yi Cao,S. Bradley Cenko,S. Bradley Cenko,Umaa Rebbapragada,Przemek Woźniak,Alexei V. Filippenko,Kelsey I. Clubb,Peter Nugent,Peter Nugent,Yen-Chen Pan,C. Badenes,D. Andrew Howell,D. Andrew Howell,Stefano Valenti,David J. Sand,Jesper Sollerman,Joel Johansson,Douglas C. Leonard,J. Chuck Horst,Stephen F. Armen,Joseph M. Fedrow,Joseph M. Fedrow,Robert M. Quimby,Robert M. Quimby,P. A. Mazzali,Elena Pian,Assaf Sternberg,Thomas Matheson,Mark Sullivan,Kate Maguire,S. Lazarevic +46 more
TL;DR: In this article, a sample of 57 R-band Type II supernovae (SNe) light curves is presented, with greater than 5 detections during the first 10 days after discovery, and a well-constrained time of explosion to within 13 days.
Journal ArticleDOI
Type II supernova energetics and comparison of light curves to shock-cooling models
Adam Rubin,Avishay Gal-Yam,Annalisa De Cia,Assaf Horesh,D. Khazov,Eran O. Ofek,Shrinivas R. Kulkarni,Iair Arcavi,Iair Arcavi,Ilan Manulis,O. Yaron,Paul Vreeswijk,Mansi M. Kasliwal,Sagi Ben-Ami,Daniel A. Perley,Daniel A. Perley,Yi Cao,S. Bradley Cenko,S. Bradley Cenko,Umaa Rebbapragada,Przemek Woźniak,Alexei V. Filippenko,Kelsey I. Clubb,Peter Nugent,Peter Nugent,Yen-Chen Pan,C. Badenes,D. Andrew Howell,D. Andrew Howell,Stefano Valenti,David J. Sand,Jesper Sollerman,Joel Johansson,Douglas C. Leonard,J. Chuck Horst,Stephen F. Armen,Joseph M. Fedrow,Joseph M. Fedrow,Robert M. Quimby,Robert M. Quimby,P. A. Mazzali,Elena Pian,Assaf Sternberg,Thomas Matheson,Mark Sullivan,Kate Maguire,S. Lazarevic +46 more
TL;DR: In this article, a sample of $57$ $R$-band Type II supernovae (SNe) light curves was used to estimate the energy per unit mass (E/M$) of the first few days after the explosion.
Journal ArticleDOI
Long-rising Type II supernovae from Palomar Transient Factory and Caltech Core-Collapse Project
Francesco Taddia,Jesper Sollerman,Christoffer Fremling,K. Migotto,Avishay Gal-Yam,Stephen F. Armen,G. Duggan,Mattias Ergon,Alexei V. Filippenko,Claes Fransson,Griffin Hosseinzadeh,Griffin Hosseinzadeh,Mansi M. Kasliwal,R. R. Laher,Giorgos Leloudas,Giorgos Leloudas,Douglas C. Leonard,Ragnhild Lunnan,Frank J. Masci,Dae-Sik Moon,Jeffrey M. Silverman,P. R. Wozniak +21 more
TL;DR: In this paper, a sample of six long-rising Type II SNe (SNe II), three of which were discovered and observed by PTF and three observed by the Caltech Core-Collapse Project (CCCP), is presented.
Journal ArticleDOI
Long-rising Type II supernovae from PTF and CCCP
Francesco Taddia,Jesper Sollerman,Christoffer Fremling,K. Migotto,Avishay Gal-Yam,Stephen F. Armen,G. Duggan,Mattias Ergon,Alexei V. Filippenko,Claes Fransson,Griffin Hosseinzadeh,Mansi M. Kasliwal,R. R. Laher,Giorgos Leloudas,Douglas C. Leonard,Ragnhild Lunnan,Frank J. Masci,Dae-Sik Moon,Jeffrey M. Silverman,P. R. Wozniak +19 more
TL;DR: In this paper, a sample of 6 LR Type II SNe (SNe II), 3 of which were discovered and observed by the Palomar Transient Factory (PTF) and 3 observed by Caltech Core-Collapse Project (CCCP).
Journal ArticleDOI
The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-resolved Hβ Lags in Luminous Seyfert Galaxies
Lizvette Villafana,Peter R. Williams,Tommaso Treu,Brendon J. Brewer,Aaron J. Barth,Vivian U,Vardha N. Bennert,H. Alexander Vogler,Hengxiao Guo,Misty C. Bentz,Gabriela Canalizo,Alexei V. Filippenko,Elinor L. Gates,Fred Hamann,Michael J. Joyner,Matthew A. Malkan,Jong-Hak Woo,Bela Abolfathi,Louis E. Abramson,Stephen F. Armen,Hyun-Jin Bae,Thomas Bøhn,Benjamin D. Boizelle,K. Azalee Bostroem,A. Brandel,Thomas G. Brink,Sanyum Channa,Michael C. Cooper,Maren Cosens,Edward Donohue,Sean P. Fillingham,D. Gonzalez-Buitrago,Goni Halevi,Andrew Halle,Carol Elizabeth Hood,Keith Horne,J. Chuck Horst,Maxime de Kouchkovsky,Ben Kuhn,Sahana Kumar,Douglas C. Leonard,Donald Loveland,Christina Manzano-King,I. M. McHardy,Raul Michel,Melanie Kae B. Olaes,Da In Park,Songyoun Park,Liuyi Pei,Timothy W. Ross,Jordan N. Runco,Javier Sanchez,Bryan Scott,Remington O. Sexton,Jaejin Shin,Isaac Shivvers,Chance L. Spencer,Benjamin E. Stahl,Samantha Stegman,Isak Dan Stomberg,Stefano Valenti,Jonelle L. Walsh,H. Yuk,Wei Zheng +63 more
TL;DR: In this paper , the velocity-resolved reverberation response of the Hβ broad emission line in nine Seyfert 1 galaxies from the Lick Active Galactic Nucleus (AGN) Monitoring Project 2016 sample was modeled, drawing inferences on the geometry and structure of the low-ionization broad-line region (BLR) and the mass of the central supermassive black hole.