Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
red supergiant |
| gptkbp:age |
~13 billion years
|
| gptkbp:apparentMagnitude |
6.2
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
|
| gptkbp:declination |
+09° 41′ 09.9″
|
| gptkbp:diameter |
23 solar radii
|
| gptkbp:discoveredBy |
gptkb:Henry_Draper_Catalogue_team
|
| gptkbp:distanceFromEarth |
290 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
HD 122563
|
| gptkbp:locatedIn |
constellation Boötes
|
| gptkbp:luminosity |
440 solar luminosities
|
| gptkbp:mass |
0.86 solar masses
|
| gptkbp:metallicity |
very low
|
| gptkbp:metallicity_[Fe/H] |
-2.6
|
| gptkbp:notableFor |
extremely metal-poor star
|
| gptkbp:otherDesignation |
gptkb:HIP_68594
HR 5270 BD+10°2617 SAO 120251 |
| gptkbp:parallax |
11.90 mas
|
| gptkbp:properMotionRA |
-198.93 mas/yr
-70.95 mas/yr |
| gptkbp:radialVelocity |
-26.5 km/s
|
| gptkbp:rightAscension |
14h 02m 31.84s
|
| gptkbp:spectralType |
F8IV
|
| gptkbp:stellarPopulation |
halo star
|
| gptkbp:temperature |
4,600 K
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:FK5_611
gptkb:FK5_562 |
| gptkbp:bfsLayer |
7
|