Van Maanen's Star

URI: https://gptkb.org/entity/Van_Maanen's_Star
GPTKB entity
Statements (32)
Predicate Object
gptkbp:instanceOf gptkb:white_dwarf
gptkbp:age 3 billion years
gptkbp:alternativeName Van Maanen 2
gptkbp:apparentMagnitude 14.19
12.374
gptkbp:catalogueNumber gptkb:GJ_35
gptkb:Gliese_35
gptkb:HIP_3829
gptkb:LHS_7
gptkb:WD_0046+051
gptkbp:constellation gptkb:Pisces
gptkbp:declination +05° 23′ 19″
gptkbp:diameter 0.011 solar radii
gptkbp:discoveredBy gptkb:Adriaan_van_Maanen
gptkbp:discoveredIn 1917
gptkbp:distanceFromEarth 14.1 light-years
gptkbp:heliumAtmosphere yes
gptkbp:mass 0.68 solar masses
gptkbp:metallicity [Fe/H] = -1.0
gptkbp:nearestWhiteDwarfRank third closest to Earth
gptkbp:notableFor first isolated white dwarf discovered
gptkbp:parallax 231.1461 mas
gptkbp:properMotionRA -1108.632 mas/yr
1207.123 mas/yr
gptkbp:rightAscension 00h 49m 09.9s
gptkbp:spectralType DZ8
gptkbp:stellarPopulation thin disk
gptkbp:surfaceGravity log(g) = 8.2
gptkbp:temperature 6030 K
gptkbp:bfsParent gptkb:WD_0046+051
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label Van Maanen's Star