Alpha Coronae Borealis (α Coronae Borealis, abbreviated Alpha CrB, α CrB), officially named Alphecca/ælˈfɛkə/,[9] is an eclipsing binary star in the constellation of Corona Borealis. It is located about 75 light years from the Sun and contains two main sequence stars, one class A and one class G.
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^Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". VizieR Online Data Catalog. 2237. Bibcode:2002yCat.2237....0D.
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^ abJohnson, H. L.; Iriarte, B.; Mitchell, R. I.; Wisniewskj, W. Z. (1966). "UBVRIJKL photometry of the bright stars". Communications of the Lunar and Planetary Laboratory. 4 (99): 99. Bibcode:1966CoLPL...4...99J.
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and 21 Related for: Alpha Coronae Borealis information
AlphaCoronaeBorealis (α CoronaeBorealis, abbreviated Alpha CrB, α CrB), officially named Alphecca /ælˈfɛkə/, is an eclipsing binary star in the constellation...
magnitude 2.2 AlphaCoronaeBorealis. The yellow supergiant R CoronaeBorealis is the prototype of a rare class of giant stars—the R CoronaeBorealis variables—that...
Supercluster, along with other scattered stars such as Beta Aurigae, AlphaCoronaeBorealis, Beta Crateris, Beta Eridani and Beta Serpentis. This would be one...
AlphaCoronae Australis or α Coronae Australis, officially named Meridiana (/məˌrɪdiˈænə/), is the brightest star in the constellation of Corona Australis...
Google Gemma, one of the three traditional names for the binary star AlphaCoronaeBorealis Gemma, an Arduino-compatible microcontroller designed by Limor Fried...
composed of related stars. Some of the brighter stream members include AlphaCoronaeBorealis (α CrB or Alphecca or Gemma), Beta Aurigae (β Aur), Delta Aquarii...
it distinctive. Alpha and Beta Coronae Australis are the two brightest stars with an apparent magnitude of around 4.1. Epsilon Coronae Australis is the...
has the Bayer designation α Lyrae, which is Latinised to Alpha Lyrae and abbreviated Alpha Lyr or α Lyr. This star is relatively close at only 25 light-years...
6 magnitudes in 1992 and was identified as one of a rare class of stars—R CoronaeBorealis variables. Eclipsing variables are star systems that vary in brightness...
are more luminous than the type II Cepheids with the same period. R CoronaeBorealis variables are often yellow supergiants, but their variability is produced...
168476, is a hot blue extreme helium star, while RS Telescopii is an R CoronaeBorealis variable. RR Telescopii is a cataclysmic variable that brightened as...
belonging to the spectral class C-Hd, seems to have some relation to R CoronaeBorealis variables (RCB), but are not variable themselves and lack a certain...
Sun and has a surface temperature of 3568 K. S Apodis is a rare R CoronaeBorealis variable, an extremely hydrogen-deficient supergiant thought to have...
into a red giant after losing its hydrogen envelope in the future. R CoronaeBorealis variable Yoon, S.-C.; Langer, N. (2004). "Helium accreting CO white...
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