Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:alternativeName |
gptkb:PG_2219+094
gptkb:WD_2219+094 |
| gptkbp:apparentMagnitude |
9.69
|
| gptkbp:catalogue |
gptkb:White_Dwarf_catalogue
gptkb:Palomar-Green_survey gptkb:Bonner_Durchmusterung |
| gptkbp:colorIndexB-V |
-1.13
-0.28 |
| gptkbp:constellation |
gptkb:Pegasus
|
| gptkbp:declination |
+09° 41′ 25″
|
| gptkbp:distance |
~320 parsecs
|
| gptkbp:heliumRich |
yes
|
| https://www.w3.org/2000/01/rdf-schema#label |
BD+25 4682
|
| gptkbp:luminosity |
gptkb:subdwarf
|
| gptkbp:metallicity |
low
|
| gptkbp:notableFor |
standard star for spectrophotometry
|
| gptkbp:parallax |
3.12
0.04 |
| gptkbp:properMotionRA |
-2.6 mas/yr
-7.2 mas/yr |
| gptkbp:radialVelocity |
-36 km/s
|
| gptkbp:rightAscension |
22h 21m 39.4s
|
| gptkbp:spectralType |
sdOB
|
| gptkbp:surfaceGravity |
log(g) = 5.5
|
| gptkbp:temperature |
38,000 K
|
| gptkbp:bfsParent |
gptkb:56_Pegasi
|
| gptkbp:bfsLayer |
7
|