V445 Puppis, a first identified Helium Nova

Details V445 Puppis, a first identified Helium Nova V445 Puppis, a first identified Helium Nova

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004rmxac..20..196k&link_type=abstract

Compact Binaries in the Galaxy and Beyond, Proceedings of the conference held 17-22 November, 2003 in La Paz, Baja California Su

Astronomy and Astrophysics

Astronomy

Novae, Cataclismic Variables, Stars: Individual (V445 Puppis), Stars: Mass Loss, White Dwarf

Scientific paper

The 2001 outburst of V445 Puppis is an unique object, that shows absence of hydrogen, enrichment of helium and carbon, slow decay of the light curve with a small amplitude. We have calculated theoretical light curves of helium novae to confirm that V445 Pup is the first example of helium nova. From the light curve fitting we conclude that the white dwarf is very massive ≥ 1.33M&sun;.

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