Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:galaxy
|
| gptkbp:alsoKnownAs |
gptkb:Pinwheel_Galaxy
|
| gptkbp:angularSize |
28.8′ × 26.9′
|
| gptkbp:apparentMagnitude |
7.86
|
| gptkbp:catalogueNumber |
gptkb:M101
gptkb:NGC_5457 |
| gptkbp:declination |
+54° 20′ 57″
|
| gptkbp:diameter |
170,000 light-years
|
| gptkbp:discoveredBy |
gptkb:Pierre_Méchain
|
| gptkbp:discoveredIn |
1781
|
| gptkbp:distanceFromEarth |
21 million light-years
|
| gptkbp:hasSupernova |
gptkb:SN_1909A
gptkb:SN_1951H gptkb:SN_1970G gptkb:SN_2011fe gptkb:SN_2023ixf |
| https://www.w3.org/2000/01/rdf-schema#label |
Messier 101
|
| gptkbp:inclination |
18°
|
| gptkbp:locatedIn |
constellation Ursa Major
|
| gptkbp:luminosity |
14.0 mag/arcmin²
|
| gptkbp:mass |
~100 billion solar masses
|
| gptkbp:memberOf |
gptkb:M101_Group
|
| gptkbp:notableFeature |
large H II regions
asymmetric spiral arms |
| gptkbp:partOf |
gptkb:Virgo_Supercluster
|
| gptkbp:rating |
~1 trillion
|
| gptkbp:redshift |
0.000804
|
| gptkbp:rightAscension |
14h 03m 12.6s
|
| gptkbp:type |
SAB(rs)cd
|
| gptkbp:bfsParent |
gptkb:Ursa_Major
|
| gptkbp:bfsLayer |
6
|