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Supernova 2014J at M82: II. Direct Analysis of Spectra Obtained with Isaac Newton and William Herschel Telescopes
Patrick Vallely, M. E. Moreno-Raya, E. Baron +19
We analyze a time series of optical spectra of SN~2014J from almost two weeks prior to maximum to nearly four months after maximum. We perform our analysis using the SYNOW code, wh…
UBVRIz Light Curves of 51 Type II Supernovae
Lluís Galbany, Mario Hamuy, Mark M. Phillips +34
We present a compilation of UBV RIz light curves of 51 type II supernovae discovered during the course of four different surveys during 1986 to 2003: the Cerro Tololo Supernova Sur…
A Hubble diagram from Type II Supernovae based solely on photometry: the Photometric-Colour Method
T. de Jaeger, S. González-Gaitán, J. P. Anderson +20
We present a Hubble diagram of type II supernovae using corrected magnitudes derived only from photometry, with no input of spectral information. We use a data set from the Carnegi…
Characterising the environments of supernovae with MUSE
L. Galbany, J. P. Anderson, F. F Rosales-Ortega +10
We present a statistical analysis of the environments of 11 supernovae (SNe) which occurred in 6 nearby galaxies (z 0.016). All galaxies were observed with MUSE, the hig…
SN 2014J at M82: I. A middle-class type Ia supernova by all spectroscopic metrics
L. Galbany, M. E. Moreno-Raya, P. Ruiz-Lapuente +20
We present the intensive spectroscopic follow up of the type Ia supernova (SN Ia) 2014J in the starburst galaxy M82. Twenty-seven optical spectra have been acquired from January 22…
The Rise-Time of Type II Supernovae
Santiago Gonzalez-Gaitan, N. Tominaga, J. Molina +14
We investigate the early-time light-curves of a large sample of 223 type II supernovae (SNe) from the Sloan Digital Sky Survey and the Supernova Legacy Survey. Having a cadence of…