Statements (23)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:age |
approximately 100 million years
|
gptkbp:apparent_magnitude |
3.71
-7.06 |
gptkbp:average_temperature |
approximately 3,800 K
|
gptkbp:constellation |
gptkb:Cygnus
|
gptkbp:declination |
+30° 24' 12''
|
gptkbp:distance |
approximately 200 light years
|
gptkbp:has_bayer_designation |
ε Cygni
|
gptkbp:has_color |
1.55
|
gptkbp:has_companion |
none known
|
gptkbp:has_luminosity |
approximately 1,500 times that of the Sun
|
gptkbp:has_spectral_type |
M2 III
|
https://www.w3.org/2000/01/rdf-schema#label |
Epsilon Cygni
|
gptkbp:is_visible_from |
visible to the naked eye
|
gptkbp:mass |
approximately 4 times that of the Sun
|
gptkbp:movement |
proper motion in right ascension and declination
|
gptkbp:number |
7970
197890 |
gptkbp:right_ascension |
20h 12m 10.8s
|
gptkbp:type |
red giant
|
gptkbp:bfsParent |
gptkb:Cygnus
|
gptkbp:bfsLayer |
5
|