Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alternativeName |
gptkb:PK_104-29.1
|
| gptkbp:apparentMagnitude |
13.3
|
| gptkbp:catalogueNumber |
gptkb:NGC_7139
|
| gptkbp:centralStarType |
white dwarf
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
September 24, 1787
|
| gptkbp:distanceFromEarth |
about 4,000 light-years
|
| gptkbp:epoch |
gptkb:J2000
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 7139
|
| gptkbp:locatedIn |
gptkb:constellation_Cepheus
|
| gptkbp:bfsParent |
gptkb:Cygnus_constellation
|
| gptkbp:bfsLayer |
6
|