Menzel 21 (planetary nebula)
GPTKB entity
Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:PK_009+10.1
gptkb:PNG_009.4+10.2 |
| gptkbp:apparentMagnitude |
12.6
|
| gptkbp:catalogue |
gptkb:PK_catalogue
PNG catalogue |
| gptkbp:centralStarType |
white dwarf
|
| gptkbp:discoveredBy |
gptkb:Donald_Howard_Menzel
|
| gptkbp:discoveredIn |
1922
|
| gptkbp:distanceFromEarth |
~4,600 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Menzel 21 (planetary nebula)
|
| gptkbp:locatedIn |
gptkb:Sagittarius
|
| gptkbp:bfsParent |
gptkb:Donald_H._Menzel
|
| gptkbp:bfsLayer |
7
|