Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
恒星
|
| gptkbp:age |
500 million years
|
| gptkbp:apparentMagnitude |
2.37
|
| gptkbp:BayerDesignation |
gptkb:Beta_Ursae_Majoris
|
| gptkbp:catalogueNumber |
gptkb:HD_95418
gptkb:HIP_53910 gptkb:HR_4295 gptkb:SAO_27876 gptkb:ADS_8035_A gptkb:BD+57_1417 gptkb:GC_15118 FK5 390 WDS J11018+5623A |
| gptkbp:constellation |
gptkb:Ursa_Major
|
| gptkbp:declination |
+56° 22′ 57″
|
| gptkbp:diameter |
2.84 solar radii
|
| gptkbp:distanceFromEarth |
79.7 light years
|
| gptkbp:FlamsteedDesignation |
gptkb:48_Ursae_Majoris
|
| gptkbp:hasCompanion |
no
|
| https://www.w3.org/2000/01/rdf-schema#label |
北河
|
| gptkbp:isNavigationalStar |
true
|
| gptkbp:luminosity |
68 solar luminosities
|
| gptkbp:mass |
2.7 solar masses
|
| gptkbp:metallicity |
−0.02 [Fe/H]
|
| gptkbp:name |
gptkb:Merak
|
| gptkbp:otherName |
gptkb:Beta_Ursae_Majoris
|
| gptkbp:partOf |
gptkb:北斗七星
|
| gptkbp:rightAscension |
11h 01m 50.5s
|
| gptkbp:rotationPeriod |
46 km/s
|
| gptkbp:spectralType |
A1IVps
|
| gptkbp:temperature |
9,225 K
|
| gptkbp:bfsParent |
gptkb:修河
|
| gptkbp:bfsLayer |
6
|