|
gptkbp:instanceOf
|
gptkb:star
binary star system
|
|
gptkbp:apparentMagnitude
|
8.29
|
|
gptkbp:catalogue
|
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
|
|
gptkbp:declination
|
-44° 18′ 58″
|
|
gptkbp:discoveredBy
|
gptkb:Benjamin_Apthorp_Gould
|
|
gptkbp:discoveredIn
|
1886
|
|
gptkbp:distanceFromEarth
|
650 parsecs
|
|
gptkbp:hasCompanion
|
compact object (likely white dwarf)
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HD 49798
|
|
gptkbp:locatedIn
|
constellation Puppis
|
|
gptkbp:luminosity
|
~4600 times solar luminosity
|
|
gptkbp:mass
|
1.28 solar masses (companion)
1.5 solar masses (primary)
|
|
gptkbp:metallicity
|
[Fe/H] = -1.0
|
|
gptkbp:orbitType
|
1.55 days
|
|
gptkbp:otherDesignation
|
gptkb:CD-44_3605
gptkb:HIP_32673
gptkb:RX_J0648.0-4418
gptkb:SAO_218544
|
|
gptkbp:parallax
|
1.53 mas
|
|
gptkbp:radialVelocity
|
+16.0 km/s
|
|
gptkbp:rightAscension
|
06h 48m 04.7s
|
|
gptkbp:spectralType
|
sdO6
|
|
gptkbp:surfaceGravity
|
log(g) = 4.35
|
|
gptkbp:temperature
|
47,500 K
|
|
gptkbp:variableType
|
binary star system
|
|
gptkbp:bfsParent
|
gptkb:Hot_subdwarf
|
|
gptkbp:bfsLayer
|
6
|