Extragalactic novae

Details Extragalactic novae Extragalactic novae

Apr 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000newar..44...87s&link_type=abstract

New Astronomy Reviews, Volume 44, Issue 1-2, p. 87-91.

Astronomy and Astrophysics

Astronomy

2

Scientific paper

Novae are expected to form in all stellar systems with a binary population. Detection of extragalactic novae provides direct evidence of close binary populations and possible spatial variations in those populations. Comparison of extragalactic novae with their local counterparts can yield valuable tests of close binary evolution theory. I report early results from surveys of globular clusters, the Large Magellanic Cloud and M81 for classical novae in eruption and in quiescence. T Sco, the nova of 1860 A.D. in the globular cluster M80, has now been recovered. It is three magnitudes fainter than canonical old novae, though this might be an inclination effect. Seven quiescent old novae in the Large Magellanic Cloud have been recovered (at brightnesses comparable to their Galactic counterparts). Their orbital periods are now within reach. Twenty-three novae have been detected on archival 5 meter Palomar plates of M81. The spatial distribution of these novae strongly suggests that most come from the spiral arm population.

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