Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
13.48
|
| gptkbp:binarySystem |
yes
|
| gptkbp:catalogue |
gptkb:Feige_catalogue
PG 1142+645 |
| gptkbp:constellation |
gptkb:Virgo
|
| gptkbp:declination |
+64° 31′ 30″
|
| gptkbp:diameter |
~0.2 solar radii
|
| gptkbp:discoveredBy |
G. Feige
|
| gptkbp:discoveredIn |
1958
|
| gptkbp:distanceFromEarth |
~1,600 light years
|
| gptkbp:hasCompanion |
white dwarf (suspected)
|
| gptkbp:heliumAbundance |
low
|
| https://www.w3.org/2000/01/rdf-schema#label |
Feige 48
|
| gptkbp:luminosity |
~30 solar luminosities
|
| gptkbp:mass |
~0.47 solar masses
|
| gptkbp:metallicity |
low
|
| gptkbp:notableFor |
asteroseismology studies
|
| gptkbp:otherDesignation |
PG 1142+645
|
| gptkbp:pulsationPeriods |
~340–380 seconds
|
| gptkbp:rightAscension |
11h 46m 09.1s
|
| gptkbp:spectralType |
sdB
|
| gptkbp:temperature |
~29,500 K
|
| gptkbp:type |
subdwarf B star
|
| gptkbp:variableType |
pulsating subdwarf B
|
| gptkbp:bfsParent |
gptkb:Feige_catalogue
|
| gptkbp:bfsLayer |
8
|