Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:apparentMagnitude |
10.0
|
| gptkbp:catalogueNumber |
gptkb:NGC_2440
|
| gptkbp:centralStarTemperature |
about 200,000 K
|
| gptkbp:centralStarType |
white dwarf
|
| gptkbp:declination |
-18° 12′ 31″
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
March 4, 1790
|
| gptkbp:distanceFromEarth |
about 4,000 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 2440
|
| gptkbp:locatedIn |
constellation Puppis
|
| gptkbp:notableFor |
one of the hottest known white dwarfs
|
| gptkbp:otherDesignation |
gptkb:ESO_561-19
gptkb:PK_234+2.1 |
| gptkbp:rightAscension |
07h 41m 55.4s
|
| gptkbp:shape |
gptkb:planetary_nebula
|
| gptkbp:bfsParent |
gptkb:NGC_Catalogue
gptkb:New_General_Catalogue |
| gptkbp:bfsLayer |
6
|