Type Iax Supernovae: A new class of stellar explosion

@article{Foley2012TypeIS,
  title={Type Iax Supernovae: A new class of stellar explosion},
  author={Ryan J. Foley and Peter J. Challis and Ryan Chornock and Mohan Ganeshalingam and Weijia Li and George H. Marion and Nidia I. Morrell and G. Pignata and M. D. Stritzinger and Jeffrey M Silverman and Xunming Wang and Joseph P. Anderson and Alexei V. Filippenko and Wendy L. Freedman and Mario Hamuy and Saurabh W. Jha and R. P. Kirshner and Curtis McCully and S. E. Persson and Mark M. Phillips and Daniel E. Reichart and Alicia Margarita Soderberg},
  journal={The Astrophysical Journal},
  year={2012},
  volume={767},
  pages={57}
}
We describe observed properties of the Type Iax class of supernovae (SNe Iax), consisting of SNe observationally similar to its prototypical member, SN 2002cx. The class currently has 25 members, and we present optical photometry and/or optical spectroscopy for most of them. SNe Iax are spectroscopically similar to SNe Ia, but have lower maximum-light velocities (2000 . |v| . 8000 kms −1 ), typically lower peak magnitudes ( 14.2 � MV,peak & 18.9 mag), and most have hot photospheres. Relative to… Expand
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References

SHOWING 1-10 OF 135 REFERENCES
ON THE RATES OF TYPE Ia SUPERNOVAE IN DWARF AND GIANT HOSTS WITH ROTSE-IIIb
We present a sample of 23 spectroscopically confirmed Type Ia supernovae (SNe Ia) that were discovered in the background of galaxy clusters targeted by ROTSE-IIIb and use up to 18 of these toExpand
SN 2002cx: The Most Peculiar Known Type Ia Supernova
ABSTRACT We present photometric and spectroscopic observations of supernova (SN) 2002cx, which reveal it to be unique among all observed Type Ia supernovae (SNe Ia). SN 2002cx exhibits an SNExpand
A high intrinsic peculiarity rate among type ia supernovae
We have compiled a sample of 45 Type Ia supernovae (SNe Ia) discovered by the Lick Observatory Supernova Search (LOSS) and the Beijing Astronomical Observatory Supernova Survey (BAOSS), andExpand
The Unique Type Ia Supernova 2000cx in NGC 524
ABSTRACT We present extensive photometric and spectroscopic observations of the Type Ia supernova (SN Ia) 2000cx in the S0 galaxy NGC 524, which reveal it to be peculiar. Photometrically, SN 2000cxExpand
The Diversity of Type Ia Supernovae: Evidence for Systematics?
The photometric and spectroscopic properties of 26 well-observed Type Ia Supernovae (SNe Ia) were analyzed with the aim of exploring SN Ia diversity. The sample includes (Branch) normal SNe, as wellExpand
LINKING TYPE Ia SUPERNOVA PROGENITORS AND THEIR RESULTING EXPLOSIONS
Comparing the ejecta velocities at maximum brightness and narrow circumstellar/interstellar Na D absorption line profiles of a sample of 23 Type Ia supernovae (SNe Ia), we determine that theExpand
Late-Time Spectroscopy of SN 2002cx: The Prototype of a New Subclass of Type Ia Supernovae
We present Keck optical spectra of SN 2002cx, the most peculiar known Type Ia supernova (SN Ia), taken 227 and 277 days past maximum light. Astonishingly, the spectra are not dominated by theExpand
THE SUBLUMINOUS SUPERNOVA 2007qd: A MISSING LINK IN A FAMILY OF LOW-LUMINOSITY TYPE Ia SUPERNOVAE
We present multi-band photometry and multi-epoch spectroscopy of the peculiar Type Ia supernova (SN Ia) 2007qd, discovered by the SDSS-II Supernova Survey. It possesses physical propertiesExpand
SN 2006bt: A PERPLEXING, TROUBLESOME, AND POSSIBLY MISLEADING TYPE Ia SUPERNOVA
SN 2006bt displays characteristics unlike those of any other known Type Ia supernova (SN Ia). We present optical light curves and spectra of SN 2006bt which demonstrate the peculiar nature of thisExpand
Fourteen months of observations of the possible super-Chandrasekhar mass Type Ia Supernova 2009dc
In this paper, we present and analyse optical photometry and spectra of the extremely luminous and slowly evolving Type Ia supernova (SN Ia) 2009dc, and offer evidence that it is aExpand
...
1
2
3
4
5
...