V Leonis

V Leonis
Observationsdata
Epok: J2000.0
StjärnbildLejonet
Rektascension10t 00m 01,92s
Deklination+21° 15′ 44,35″[1]
Skenbar magnitud ()+8,4 (maximum), 14,6 (minimum) [2]
Stjärntyp
SpektraltypM5-6e[1]
B–V1,500±0,510[3]
VariabeltypMira-variabel (M)[2]
Astrometri
Radialhastighet ()-23,00±4,7 km/s
Egenrörelse (µ)RA: 4,93±3,24 mas/år
Dek.: -14,03±1,17 mas/år
Parallax ()4,39±2,93 mas
Andra beteckningar
GCRV 6373, HIP 49026, TYC 1418-712-1, BD+21 2140, HD 86608, IRAS 09572+2130, PCC93 134, DO 14055, HIC 49026, 2MASS J10000193+2115444, AAVSO 0954+21[1]

V Leonis är en pulserande variabel av Mira Ceti-typ i stjärnbilden Lejonet.

Stjärnan varierar mellan visuell magnitud +8,4 och 14,6 med en period av 273,35 dygn.[2]

Se även

Referenser

Noter

  1. ^ [a b c] ”Basic data: V* V Leo – Variable Star of Mira Ceti type” (på engelska). Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=V+Leo&submit=SIMBAD+search. Läst 25 augusti 2017. 
  2. ^ [a b c] ”V Leo” (på engelska). The International Variable Star Index. AAVSO – American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=17036. Läst 25 augusti 2017. 
  3. ^ van Leeuwen (2007). ”Hipparcos, the New Reduction” (på engelska). http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&HIP=49026. Läst 25 augusti 2017. 
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Stjärnor i Lejonet
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Variabler
R Leonis  · S Leonis  · T Leonis  · U Leonis  · V Leonis  · W Leonis  · X Leonis  · Y Leonis  · Z Leonis  · AD Leonis  · CW Leonis  · DP Leonis  · EE Leonis
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