Statements (35)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
red supergiant |
| gptkbp:age |
7.5 million years
|
| gptkbp:apparentMagnitude |
2.86
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue BD+32 682 SAO 56857 |
| gptkbp:colorIndexB-V |
-0.19
-0.93 |
| gptkbp:constellation |
gptkb:Perseus
|
| gptkbp:declination |
+31° 53′ 01″
|
| gptkbp:diameter |
26 solar radii
|
| gptkbp:distanceFromEarth |
750 light years
|
| gptkbp:hasCompanion |
Zeta Persei B
|
| https://www.w3.org/2000/01/rdf-schema#label |
Zeta Persei
|
| gptkbp:luminosity |
47,000 times Sun
|
| gptkbp:mass |
16 solar masses
|
| gptkbp:metallicity |
-0.16 [Fe/H]
|
| gptkbp:otherDesignation |
HR 1203
HD 24398 HIP 18356 ζ Persei |
| gptkbp:parallax |
4.34 mas
|
| gptkbp:partOf |
gptkb:Perseus_OB2_association
|
| gptkbp:properMotionRA |
-8.24 mas/yr
+6.63 mas/yr |
| gptkbp:radialVelocity |
+22.9 km/s
|
| gptkbp:rightAscension |
03h 54m 07.9s
|
| gptkbp:spectralType |
B1Ib
|
| gptkbp:temperature |
21,000 K
|
| gptkbp:variableStar |
suspected
|
| gptkbp:bfsParent |
gptkb:constellation_Perseus
|
| gptkbp:bfsLayer |
7
|