V1500 Cygni

AAVSO light curve showing the magnitude of Nova Cygni 1975. The dates given are Julian day numbers.

V1500 Cygni or Nova Cygni 1975 was a bright nova occurring in 1975 in the constellation Cygnus.

V1500 Cygni was discovered on August 29 and reached magnitude 1.7 on the next day. It remained visible to the naked eye for about a week. 680 days after maximum the star had dimmed by 12.5 magnitudes.

It is an AM Herculis type star, consisting of a red dwarf secondary depositing a stream of material onto a highly magnetized white dwarf primary.

Coordinates

• Right ascension: 21h11m36.6s
• Declination: +48°09'02.1"

References

• Ferland GJ, Tomkin J, Woodman J (1976). "Continuum variability in Nova Cygni 1975". Nature 264 (5587): 627–9. Bibcode 1976Natur.264..627F. doi:10.1038/264627a0. PMID 16074563. 

External links

• "Detail for V1500 Cygni". The International Variable Star Index. http://www.aavso.org/vsx/index.php?view=detail.top&oid=12420. Retrieved 2008-09-09. 
• "Nova Cygni 1975 (V1500 Cygni)". The Encyclopedia of Astrobiology, Astronomy and Spaceflight. http://www.daviddarling.info/encyclopedia/N/Nova_Cygni_1975.html. Retrieved 2005-08-12. 
• "V1500 Cygni = Nova Cygni 1975". http://www.camk.edu.pl/~olech/projects/catvar/v1500.html. Retrieved August 12, 2005. ^{[dead link]}
• "V1500 Cyg (Nova Cygni 1975)". American Association of Variable Star Observers. http://www.aavso.org/v1500-cyg-nova-cygni-1975. Retrieved 2010-08-29.