On the Spatial Distribution and Occurence Rate of Galactic Classical Novae

Details On the Spatial Distribution and Occurence Rate of Galactic Classical Novae On the Spatial Distribution and Occurence Rate of Galactic Classical Novae

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.4705h&link_type=abstract

American Astronomical Society, 189th AAS Meeting, #47.05; Bulletin of the American Astronomical Society, Vol. 28, p.1335

Astronomy and Astrophysics

Astronomy

Scientific paper

We have modified the model of the visibility of Galactic supernovae (Hatano et al, 188th AAS meeting) in order to predict the observability and spatial distribution of Galactic classical novae. Model predictions of the nova apparent magnitude distributions, and the distributions of novae on the sky, are in good agreement with the corresponding observed distributions. We conclude, contrary to some recent studies, that most classical novae come from the Galactic disk rather than from the bulge. The model, together with an estimate of Liller and Mayer (1987, PASP, 99, 606) for the rate of appearance of novae having V <11, gives a Galactic nova rate of 41 +/- 20 y(-1) . Finally, we suggest how the uncertainties in the fraction of novae that come from the bulge, and in the nova rate, can be reduced.

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