Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:alsoKnownAs |
gptkb:V424_Lacertae
|
| gptkbp:apparentMagnitude |
4.54
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:colorIndexB-V |
+2.08
+2.18 |
| gptkbp:constellation |
gptkb:Lacerta
|
| gptkbp:declination |
+39° 33′ 45″
|
| gptkbp:diameter |
~400 solar radii
|
| gptkbp:discoveredBy |
19th century
|
| gptkbp:distanceFromEarth |
1200 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
HD 216946
|
| gptkbp:luminosity |
~50,000 times Sun
|
| gptkbp:mass |
~7 solar masses
|
| gptkbp:metallicity |
[Fe/H] ≈ 0.0
|
| gptkbp:parallax |
2.71 mas
|
| gptkbp:properMotionRA |
-2.13 mas/yr
|
| gptkbp:radialVelocity |
-16.0 km/s
|
| gptkbp:rightAscension |
22h 55m 31.6s
|
| gptkbp:spectralType |
M0Iab
|
| gptkbp:temperature |
3,800 K
|
| gptkbp:variableType |
semiregular variable
|
| gptkbp:bfsParent |
gptkb:BD+06_4782
|
| gptkbp:bfsLayer |
8
|