Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:addedToMessierCatalogBy |
gptkb:Charles_Messier
|
| gptkbp:addedToMessierCatalogYear |
1764
|
| gptkbp:alsoKnownAs |
gptkb:Omega_Nebula
gptkb:Horseshoe_Nebula gptkb:Lobster_Nebula gptkb:Swan_Nebula |
| gptkbp:angularSize |
11 arcminutes × 6 arcminutes
|
| gptkbp:apparentMagnitude |
6.0
|
| gptkbp:catalogueNumber |
gptkb:Messier_17
gptkb:NGC_6618 |
| gptkbp:contains |
massive O-type stars
young open star cluster massive B-type stars |
| gptkbp:discoveredBy |
gptkb:Philippe_Loys_de_Chéseaux
|
| gptkbp:discoveredIn |
1745
|
| gptkbp:distanceFromEarth |
about 5,000 to 6,000 light-years
|
| gptkbp:hasViewOf |
astronomer
small telescopes |
| https://www.w3.org/2000/01/rdf-schema#label |
M17 (Omega Nebula)
|
| gptkbp:locatedIn |
gptkb:Sagittarius_constellation
|
| gptkbp:nestType |
gptkb:planetary_nebula
|
| gptkbp:notableFor |
active star formation
bright emission |
| gptkbp:partOf |
gptkb:Milky_Way_Galaxy
|
| gptkbp:bfsParent |
gptkb:HD_168607
|
| gptkbp:bfsLayer |
7
|