Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
6.72
|
| gptkbp:component |
gptkb:Orion_Nebula
Theta1 Orionis Aa Theta1 Orionis Ab Theta1 Orionis Ac |
| gptkbp:declination |
−05° 23′ 14.1″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1776
|
| gptkbp:distanceFromEarth |
about 1,344 light-years
|
| gptkbp:locatedIn |
gptkb:Orion_constellation
|
| gptkbp:luminosity |
about 20,000 times Sun (Aa)
|
| gptkbp:mass |
about 15 solar masses (Aa)
|
| gptkbp:multipleStarSystem |
yes
|
| gptkbp:orbitType |
65.4 days (Aa-Ab)
|
| gptkbp:otherDesignation |
gptkb:HIP_26220
gptkb:SAO_132314 BD−05°1306 HD 37020 HR 1893 |
| gptkbp:partOf |
gptkb:Trapezium_Cluster
|
| gptkbp:rightAscension |
05h 35m 16.46s
|
| gptkbp:spectralType |
B0.5V
|
| gptkbp:variableStar |
yes
|
| gptkbp:bfsParent |
gptkb:Orion_Nebula_Cluster
gptkb:Trapezium_Cluster |
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Theta1 Orionis A
|