Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
white dwarf
|
| gptkbp:angularSizeOfSpiral |
~0.2 arcseconds
|
| gptkbp:apparentMagnitude |
~12.3
|
| gptkbp:binarySystem |
true
|
| gptkbp:catalogue |
gptkb:Wolf–Rayet_Catalogue
|
| gptkbp:declination |
-23° 37′ 42.5″
|
| gptkbp:discoveredBy |
gptkb:Peter_Tuthill
|
| gptkbp:discoveredIn |
1998
|
| gptkbp:distanceFromEarth |
~7,500 light-years
|
| gptkbp:hasCompanion |
B-type main-sequence star
|
| https://www.w3.org/2000/01/rdf-schema#label |
WR 104
|
| gptkbp:isGalacticObject |
true
|
| gptkbp:locatedIn |
gptkb:Sagittarius_constellation
|
| gptkbp:mass |
~10 solar masses (primary)
~20 solar masses (companion) |
| gptkbp:notableFeature |
gptkb:Pinwheel_nebula
|
| gptkbp:notableFor |
Spiral dust plume
|
| gptkbp:otherDesignation |
gptkb:2MASS_J18020407-2337425
gptkb:GSC_06354-00345 gptkb:IRAS_17591-2338 |
| gptkbp:periodOfSpiralRotation |
~220 days
|
| gptkbp:possibleSupernovaProgenitor |
true
|
| gptkbp:rightAscension |
18h 02m 04.07s
|
| gptkbp:spectralType |
WC9d
|
| gptkbp:variableStar |
true
|
| gptkbp:bfsParent |
gptkb:white_dwarf
|
| gptkbp:bfsLayer |
5
|