|
gptkbp:instanceOf
|
astronomer
binary star system
|
|
gptkbp:apparentMagnitude
|
12.1
|
|
gptkbp:catalogueNumber
|
gptkb:HD_147888
HR 6064
|
|
gptkbp:contains
|
white dwarf
low-mass companion star
|
|
gptkbp:declination
|
-15° 38′ 25.0″
|
|
gptkbp:discoveredBy
|
D. H. Andrew
J. L. Dunlap
|
|
gptkbp:discoveredIn
|
1962
|
|
gptkbp:distanceFromEarth
|
9000 light years
|
|
gptkbp:firstDetectedBy
|
balloon-borne X-ray detector
|
|
gptkbp:hostedBy
|
gptkb:Milky_Way
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sco X-1
|
|
gptkbp:isPrototypeOf
|
Z-source X-ray binaries
|
|
gptkbp:locatedIn
|
constellation Scorpius
|
|
gptkbp:massOfCompanionStar
|
0.42 solar masses
|
|
gptkbp:massOfNeutronStar
|
1.4 solar masses
|
|
gptkbp:notableFor
|
brightest persistent extra-solar X-ray source
|
|
gptkbp:orbitType
|
0.787 days
|
|
gptkbp:otherName
|
gptkb:V818_Scorpii
1RXS J161955.1-153825
2S 1617-155
H 1617-155
|
|
gptkbp:rightAscension
|
16h 19m 55.07s
|
|
gptkbp:spectralType
|
K4V (donor star)
|
|
gptkbp:variableType
|
low-mass X-ray binary
|
|
gptkbp:X-rayLuminosity
|
2.3×10^38 erg/s
|
|
gptkbp:bfsParent
|
gptkb:Scorpius_X-1
|
|
gptkbp:bfsLayer
|
7
|