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The GALEX Time Domain Survey. II. Wavelength-Dependent Variability of Active Galactic Nuclei in the Pan-STARRS1 Medium Deep Survey
T. Hung, S. Gezari, D. O. Jones +12
We analyze the wavelength-dependent variability of a sample of spectroscopically confirmed active galactic nuclei (AGN) selected from near-UV () variable sources in the GALEX…
Three-dimensional distribution of ejecta in Supernova 1987A at 10 000 days
J. Larsson, C. Fransson, J. Spyromilio +19
Due to its proximity, SN 1987A offers a unique opportunity to directly observe the geometry of a stellar explosion as it unfolds. Here we present spectral and imaging observations…
PS1-14bj: A Hydrogen-Poor Superluminous Supernova With a Long Rise and Slow Decay
R. Lunnan, R. Chornock, E. Berger +27
We present photometry and spectroscopy of PS1-14bj, a hydrogen-poor superluminous supernova (SLSN) at redshift discovered in the last months of the Pan-STARRS1 Medium De…
Ultraviolet Diversity of Type Ia Supernovae
Ryan J. Foley, Yen-Chen Pan, P. Brown +9
Ultraviolet (UV) observations of Type Ia supernovae (SNe Ia) probe the outermost layers of the explosion, and UV spectra of SNe Ia are expected to be extremely sensitive to differe…
Ejection of the massive Hydrogen-rich envelope timed with the collapse of the stripped SN2014C
Raffaella Margutti, A. Kamble, D. Milisavljevic +19
We present multi-wavelength observations of SN2014C during the first 500 days. These observations represent the first solid detection of a young extragalactic stripped-envelope SN…