Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
variable star
binary star system |
| gptkbp:apparentMagnitude |
13.5
|
| gptkbp:catalogueNumber |
V* HZ Her
|
| gptkbp:component |
white dwarf
A-type star |
| gptkbp:declination |
+35° 20′ 32″
|
| gptkbp:discoveredBy |
gptkb:Uhuru_satellite
|
| gptkbp:discoveredIn |
1972
|
| gptkbp:distanceFromEarth |
21,000 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
HZ Herculis
|
| gptkbp:lightCurveType |
eclipsing
|
| gptkbp:locatedIn |
constellation Hercules
|
| gptkbp:massOfCompanionStar |
2.2 solar masses
|
| gptkbp:massOfNeutronStar |
1.5 solar masses
|
| gptkbp:notableFor |
first X-ray binary discovered with regular eclipses
|
| gptkbp:orbitType |
1.7 days
|
| gptkbp:otherName |
Her X-1
|
| gptkbp:recurrence |
35 days (X-ray cycle)
|
| gptkbp:rightAscension |
16h 57m 49.8s
|
| gptkbp:SIMBADID |
HZ+Her
|
| gptkbp:spectralType |
gptkb:A7V
|
| gptkbp:variableType |
binary star system
|
| gptkbp:X-raySource |
Her X-1
|
| gptkbp:bfsParent |
gptkb:Hercules_X-1
|
| gptkbp:bfsLayer |
7
|