WASP-12

WASP-12
Observationsdata
Epok: J2000
StjärnbildKusken
Rektascension06t 30m 32,79s[1]
Deklination++29° 40′ 20,29″[1]
Skenbar magnitud ()+11,57[1]
Stjärntyp
SpektraltypG0V[1]
Astrometri
Egenrörelse (µ)RA: -0,7±1,3 mas/år
Dek.: -7,8±1,0 mas/år
Avstånd871 lå (267 pc)
Detaljer
Massa1,35±0,14 M☉
Radie1,57±0,07 R☉
Temperatur6300±200 K
Andra beteckningar
Bergfors-6 , TYC 1891-1178-1, 2MASS J06303279+2940202, UCAC2 42216354[1]

WASP-12 är en gul dvärgstjärna på drygt 870 ljusårs avstånd i stjärnbilden Kusken. Dess massa och radie är snarlik solens.

Exoplanet

En exoplanet upptäcktes 2008 kretsande kring stjärnan.[2] Planeten har retrograd omloppsbana.

Exoplanet Massa i Jupitermassor Omloppsperiod i dygn Halv storaxel Excentricitet
b 1,41 ± 0,1 1,091423 0,0229 ± 0,0008 0,049 ± 0,015

Se även

Referenser

Den här artikeln är helt eller delvis baserad på material från engelskspråkiga Wikipedia, 3 mars 2016.

Noter

  1. ^ [a b c d e] ”Basic data: * WASP-12 – Double or multiple Star” (på engelska). Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=WASP-12. Läst 14 oktober 2016. 
  2. ^ ”Starname ’WASP-12’” (på engelska). Extrasolar Planets #ncyclopaedia. 2 juni 2016. http://exoplanet.eu/catalog/?f=star_name=%27WASP-12%27. Läst 14 oktober 2016. 
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