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Pi Chamaeleontis

Pi Chamaeleontis
Podaci posmatranja
Epoha: J2000
SazviježđeKameleon
Rektascenzija-75h 53m 47s[1]
Deklinacija11° 37' 15.6"[1]
Vidljivi sjaj5.65[1] m
Tipizacija
Spektralna klasaF1III[1]
B-V indeks boje0.35[1]
Astrometrija
Radijalna brzina-9.8[2] km/s
Udaljenost135[3] SG
(41 Pc)
Fizikalne osobine
Procijenjena starost1.7 milijardi g
Ostali nazivi
Oznaka po Bayer-uπ Cha[2]
Oznaka po BSKHR 4479[2]
Oznaka po Henry-Draper kataloguHD 101132[2]
Oznaka po SAO kataloguSAO 256857[2]
Oznaka po Tycho kataloguTYC 9411-1193-1[2]
Oznaka po Hipparcos kataloguHIP 56675[2]

Pi Chamaeleontis (π Chamaeleontis, π Cha) je zvijezda u sazviježđu Kameleon. Ima prividan sjaj od 5.65 mag. Udaljena je 135 sg od Sunca. Ubraja se u bijele divove. Ima spektralnu klassu F1III.Ubraja se u višestruke zvijezde. Kreće se brzinom 27.4˙km/s. Njena galaktička orbita udaljena je oko 23800-31400˙sg od naše galaksije. Prisustvo željeza iznosi 0.77˙i manje je nego kod Sunca. Njena starost se procjenjuje između 1.7-1.9 milijardi godina.[1][2][3]

Također pogledajte

Reference

  1. ^ a b c d e f C.Kronberg Zvijezde u sazviježđu Kameleon iz Arhivirano 14. 8. 2011. na Wayback Machinemaa.mhn.de pristupljeno 9. 1.2015 (de)
  2. ^ a b c d e f g h SIMBAD baza podataka, Strazburški centar astronomskih podataka (CDS), Strazburg, π Cha pristupljeno 9. 1.2015 (en)
  3. ^ a b π Cha iz[mrtav link]astrostudio.org pristupljeno 9. 1.2015 (en)

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