Al Tarf

URI: https://gptkb.org/entity/Al_Tarf
GPTKB entity
Statements (37)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkb:astronomer
gptkbp:apparentMagnitude 3.5
gptkbp:arabicMeaning the End (of the Crab's leg)
gptkbp:BayerDesignation gptkb:β_Cancri
gptkbp:catalogue gptkb:HD_69267
gptkb:HIP_40526
gptkb:HR_3249
FK5 320
ADS 6705
BD+09 2062
GC 11313
SAO 117955
gptkbp:constellation gptkb:cancer
gptkbp:declination +09° 11′ 08.2″
gptkbp:diameter 61 solar radii
gptkbp:discoveredBy known since antiquity
gptkbp:distanceFromEarth 290 light years
gptkbp:hasCompanion gptkb:white_dwarf
yes
gptkbp:luminosity 871 times Sun
gptkbp:mass 4 solar masses
gptkbp:metallicity -0.09 [Fe/H]
gptkbp:otherName gptkb:Beta_Cancri
gptkbp:parallax 0.20 mas
11.27 mas
gptkbp:properMotionRA -46.32 mas/yr
-44.49 mas/yr
gptkbp:rightAscension 08h 16m 30.95s
gptkbp:rotationPeriod 2.2 km/s
gptkbp:spectralType K4III
gptkbp:surfaceGravity 1.5 (cgs)
gptkbp:temperature 4,000 K
gptkbp:variableStar no
gptkbp:bfsParent gptkb:Beta_Cancri
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label Al Tarf