The star is referred to as being the oldest catalogued nova variable in the night sky. A nova is a sudden increase in the brightness of a star then slowly reducing back to it original brightness.
The Id of the star in the Yale Bright Star Catalogue is HR7539.
CK Vulpeculae has alternative name(s) :- Nova 1670 Vulpeculae, 11 Vul, 11 Vulpeculae.
More details on objects' alternative names can be found at Star Names .
The location of the star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For CK Vulpeculae, the location is 19h 47.6m and 27° 19 .
|Primary / Proper / Traditional Name||CK Vulpeculae|
|Alternative Names||Nova 1670 Vulpeculae, 11 Vul, 11 Vulpeculae, HR 7539|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Right Ascension (R.A.)||19h 47.6m|
|Declination (Dec.)||27° 19|
|Distance from Earth||2.04 Parallax (milliarcseconds)|
|1600.41 Light Years|
|101,209,309.89 Astronomical Units|
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