Beta Comae Berenices Aiheesta muualla | NavigointivalikkoInfobox OKSolStation entry

Bereniken hiusten tähdistöAurinkomaiset tähdet


pääsarjanpölykiekkoaβ Comα Com Aγ Com11 Com36 Com12 Com A23 Com41 Com37 Com35 Com14 Com7 Com31 Com16 Com24 Com A6 Com27 Com13 Comα Com B17 Com18 Com21 Com26 Com40 Com5 Com4 Com20 Com25 Com29 Com30 Com2 Com38 Com39 Com8 Com22 Com32 Com9 Com3 Com28 Com1 Com24 Com B17 Com10 ComHD 11476212 Com BHD 108874HD 114762 bHD 108874 bHD 108874 c

























































Beta Comae Bernices
Bayerin designaatio
Beta Comae Bernices, Beta Com
Flamsteedin designaatio
43 Com
HR-designaatio
HR 4983
HD-designaatio
HD 114710
Muut designaatiot

43 Com, Beta Com, Gl 502, GJ 876, BD +28°2193, GCTP 3015.00, LHS 348, LFT 978, LTT 13815, SAO 82706, FK5 492, HIP 64394.
Fyysiset ominaisuudet
Näennäinen kirkkaus
4,26 mv
Absoluuttinen kirkkaus
4,45 Mv
Valovoima
1,42 aurinkoa
Spektriluokka
G0V
Väri-indeksi
B-V 0,57
U-B 0,07
Lämpötila
6 000 K
Massa
1,05 M☉
Säde
1,19 R☉
Muuttujatyyppi
Ei
Pyörimisnopeus
~6 km/s. (~10 päivää)
Metallipitoisuus
146%
Ikä
1,7-4,4  × 109

Astrometriset ominaisuudet
Tähdistö
Coma Berenices

Rektaskensio (J2000)

13h 11 m 52.4s

Deklinaatio (J2000)

+27° 52' 41"
Etäisyys
30,20±0,01 valovuotta eli
9,26±0,01 parsekia
Parallaksi
108,87 ±0,69 mas
Säteisnopeus
+5,2 km/s
Ominaisliike
RA:-801,94
dekl:882,70 mas/v

Näkyy leveysasteiden 90° N
ja 63° S välillä.

Infobox OK

Beta Coma Berenices (β Comae Berenices / β Com)
on Bereniken hiusten tähdistössä oleva, Aurinkoa muistuttava keltainen pääsarjan tähti.
Tähti on Aurinkoa hieman kirkkaampi ja kuumempi.
Tähdellä havaitaan 16,6 vuoden auringonpilkkujakso spektriviivoissa sekä myös toissijainen 9,6 vuoden jakso. Tähti ei ole spektroskooppinen kaksoistähti,
eikä siltä ole havaittu eksoplaneettoja tai pölykiekkoa.



Aiheesta muualla |


  • SolStation entry





Bereniken hiusten tähdistö (Coma Berenices) » luettelo tähdistä, luokka







Tähdet

β Com, α Com A, γ Com, 11 Com, 36 Com, 12 Com A, 23 Com, 41 Com, 37 Com, 35 Com, 14 Com, 7 Com, 31 Com, 16 Com, 24 Com A, 6 Com, 27 Com, 13 Com, α Com B, 17 Com, 18 Com, 21 Com, 26 Com, 40 Com, 5 Com, 4 Com, 20 Com, 25 Com, 29 Com, 30 Com, 2 Com, 38 Com, 39 Com, 8 Com, 22 Com, 32 Com, 9 Com, 3 Com, 28 Com, 1 Com, 24 Com B, 17 Com, 10 Com, HD 114762, 12 Com B, HD 108874


Eksoplaneetat

HD 114762 b, HD 108874 b, HD 108874 c









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