Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 10 million years
|
| gptkbp:apparent_magnitude |
6.5
|
| gptkbp:average_temperature |
approximately 3,500 K
|
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:declination |
+30° 24' 36"
|
| gptkbp:discovery_year |
1867
|
| gptkbp:distance |
approximately 1,200 light years
|
| gptkbp:formulation |
semiregular variable star
|
| gptkbp:has_bayer_designation |
Zeta Cygni
|
| gptkbp:has_color |
+1.5
|
| gptkbp:has_luminosity |
approximately 30,000 times that of the Sun
|
| gptkbp:has_radius |
approximately 1,000 solar radii
|
| gptkbp:has_spectral_type |
M2 Iab
|
| https://www.w3.org/2000/01/rdf-schema#label |
Z Cygni
|
| gptkbp:mass |
approximately 20 solar masses
|
| gptkbp:number |
7940
197770 |
| gptkbp:right_ascension |
20h 45m 12s
|
| gptkbp:type |
red supergiant
|
| gptkbp:bfsParent |
gptkb:Cygnus
|
| gptkbp:bfsLayer |
5
|