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The effect of peculiar velocities on supernova cosmology
Tamara M Davis, Lam Hui, Joshua A Frieman +11
We present an analysis of peculiar velocities and their effect on supernova cosmology. In particular, we study (a) the corrections due to our own motion, (b) the effects of correla…
Survey of Period Variations of Superhumps in SU UMa-Type Dwarf Novae. II: The Second Year (2009-2010)
Taichi Kato, Hiroyuki Maehara, Makoto Uemura +56
As an extension of the project in Kato et al. (2009, arXiv:0905.1757), we collected times of superhump maxima for 61 SU UMa-type dwarf novae mainly observed during the 2009-2010 se…
A few days before the end of the 2008 extreme outburst of EX Lup : accretion shocks and a smothered stellar corona unveiled by XMM-Newton
Nicolas Grosso, Kenji Hamaguchi, Joel H. Kastner +2
In mid-January 2008, EX Lup, the prototype of the small class of eruptive variables called EXors, began an extreme outburst that lasted seven months. We observed EX Lup during abou…
The orbital and superhump periods of the deeply eclipsing dwarf nova SDSS J150240.98+333423.9
Jeremy Shears, Tut Campbell, Jerry Foote +13
During July 2009 we observed the first confirmed superoutburst of the eclipsing dwarf nova SDSS J150240.98+333423.9 using CCD photometry. The outburst amplitude was at least 3.9 ma…