G117-B15A is a small, well-observed variable white dwarf star of the DAV, or ZZ Ceti, type in the constellation of Leo Minor. G117-B15A was found to be...
7 KB (608 words) - 02:09, 4 January 2024
stars makes finding these objects challenging for amateur astronomers. G 117-B15A, also known as RY Leonis Minoris, is a pulsating white dwarf of apparent...
41 KB (3,893 words) - 15:44, 4 November 2024
"HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". Retrieved 2006-12-26. Roman, N. G. (1987). "Identification of a Constellation from a Position". Retrieved 2006-12-26...
11 KB (95 words) - 02:07, 10 November 2024
it is a white dwarf binary system with a carbon-oxygen accretion disk. G 117-B15A Instability strip Stellar pulsation Koester & Chanmugam 1990, p. 891–895...
18 KB (1,988 words) - 06:32, 27 January 2024
"High-speed photometry of luminosity-variable DA dwarfs: R808, GD 99, and G 117-B15A". Astrophysical Journal Letters. 205: L155-58. Bibcode:1976ApJ...205L...
4 KB (330 words) - 22:00, 18 July 2024
http://www.metmuseum.org/exhibitions/view?exhibitionId=%7B254A181E-CA25-4BC9-B15A-A167688D711B%7D&oid=641124 Nelson, S. D. Black Elk's Vision: A Lakota...
22 KB (2,934 words) - 14:26, 1 December 2023