Constellation List
Star List
By Season
Alphabetical
Latitudes
Minneapolis, MN (45°N)
NorthPole (90°N)
Prudhoe Bay, AK (70°N)
St.Petersburg,
Russia(60°N)
Prague, C.R. (50°N)
Philadelphia, PA (40°N)
Albuquerque, NM (35°N)
New Orleans, LA (30°N)
Santiago, Cuba (20°N)
Caracas,
Venezuela (10°N)
Quito, Ecuador (0°N)
Port Moresby,
New Guinea(10°S)
Porto Alegre,
Brazil (30°S)
Montevideo,
Uruguay(35°S)
Queenstown, NZ (45°S)
South Pole (90°S)
Bibliography and Credits
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Sadr
Gamma Cygni
Names For This Star
Sadr, alternatively Sador or Sadir, derives from the Arabic name for the star Al Sadr al Dajajah, "The Hen's Breast."
The name of the star reflects the Arabic idea of the constellation of Cygnus, that is, as a hen rather than a swan.
Description of the Star
Sadr is a yellowish F8Ib supergiant star having a luminosity of perhaps 20,000 times that of the sun. The spectal type implies a mass about 10 times that of the sun and a diameter maybe 100 times that of the sun.
Other Designations For This Star
Flamsteed |
37 Cygni |
Hipparcos Identifier (HIP Number) |
100453 |
Harvard Revised (HR Number) |
7796 |
Henry Draper Catalog (HD Number) |
194093 |
Bonner Durchmusterung (BD Number) |
BD+39 4159 |
Smithsonian Astrophysical
Observatory compendium (SAO Number) |
49528 |
Fundamental Katalog (FK5 Number) |
765 |
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