Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
9.5
|
| gptkbp:catalogue |
gptkb:Bonner_Durchmusterung
|
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:declination |
+41° 21′ 51″
|
| gptkbp:diameter |
6.6 solar radii
|
| gptkbp:discoveredBy |
gptkb:Friedrich_Wilhelm_Argelander
|
| gptkbp:distance |
980 parsecs
|
| gptkbp:hasInfraredExcess |
yes
|
| https://www.w3.org/2000/01/rdf-schema#label |
BD+40°4212
|
| gptkbp:luminosity |
1,600 solar luminosities
|
| gptkbp:mass |
6.6 solar masses
|
| gptkbp:otherDesignation |
V1685 Cygni
|
| gptkbp:parallax |
1.02 mas
|
| gptkbp:partOf |
BD+40°4210 star-forming region
|
| gptkbp:properMotionRA |
-2.1 mas/yr
-4.2 mas/yr |
| gptkbp:rightAscension |
20h 20m 28.3s
|
| gptkbp:spectralType |
B2Ve
|
| gptkbp:temperature |
20,000 K
|
| gptkbp:variableType |
Herbig Ae/Be star
|
| gptkbp:bfsParent |
gptkb:Cygnus_OB9_association
|
| gptkbp:bfsLayer |
7
|