Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:Messier_17
gptkb:Omega_Nebula gptkb:Horseshoe_Nebula gptkb:Lobster_Nebula gptkb:M17 |
| gptkbp:angularSize |
11 arcminutes × 6 arcminutes
|
| gptkbp:apparentMagnitude |
6.0
|
| gptkbp:catalogueNumber |
gptkb:Messier_17
gptkb:NGC_6618 |
| gptkbp:contains |
young open star cluster
|
| gptkbp:discoveredBy |
gptkb:Philippe_Loys_de_Chéseaux
|
| gptkbp:discoveredIn |
1745
|
| gptkbp:distanceFromEarth |
~5,000-6,000 light years
|
| gptkbp:hasViewOf |
optical wavelength
|
| https://www.w3.org/2000/01/rdf-schema#label |
Swan Nebula
|
| gptkbp:locatedIn |
gptkb:Sagittarius_constellation
|
| gptkbp:notableFor |
active star formation
bright emission from ionized hydrogen gas |
| gptkbp:partOf |
gptkb:Milky_Way_Galaxy
|
| gptkbp:bfsParent |
gptkb:Omega_Nebula
|
| gptkbp:bfsLayer |
6
|