Epsilon Antliae
Multi tool use
ε Antliae
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Dados observacionais (J2000)
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Constelação
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Antlia
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Asc. reta
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09h 29m 14,7s[1]
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Declinação
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-35° 57′ 04,8″[1]
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Magnitude aparente
|
4,508[1]
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Características
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|---|
Tipo espectral
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K3 IIIa[1]
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Cor (U-B)
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+1,68[2]
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Cor (B-V)
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+1,44[2]
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Astrometria
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|---|
Velocidade radial
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22,2 km/s[1]
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Mov. próprio (AR)
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-24,69 mas/a[1]
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Mov. próprio (DEC)
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5,04 mas/a[1]
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Paralaxe
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4,59 ± 0,24 mas[1]
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Distância
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710 ± 40 anos-luz
220 ± 10 pc
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Detalhes
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Raio
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37[3]R☉
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Outras denominações
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CD-35 5724, FK5 356, HD 82150, HIP 46515, HR 3765, SAO 200416.[1]
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Epsilon Antliae (ε Ant, ε Antliae) é uma estrela na constelação de Antlia. Tem uma magnitude aparente de +4,51,[1] sendo visível a olho nu. Medições de paralaxe indicam que ela está a uma distância de cerca de 710 anos-luz (220 parsecs) da Terra.[1] Estudos fotométricas na missão Hipparcos mostram que a magnitude dessa estrela varia por 0,0034 em um período de 11,07941 dias.[4]
Epsilon Antliae tem uma classificação estelar de K3 IIIa,[1] em que a classe de luminosidade III indica que é uma gigante evoluída. Tem cerca de 37 vezes o raio do Sol.[3]
Referências
↑ abcdefghijkl «SIMBAD query result - eps Ant». Centre de données astronomiques de Strasbourg. SIMBAD. Consultado em 19 de agosto de 2012
↑ ab Johnson, H. L.; et al. (1966), «UBVRIJKL photometry of the bright stars», Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J.
↑ ab Pasinetti-Fracassini, L. E.; et al. (fevereiro de 2001), «Catalogue of Stellar Diameters (CADARS)», Astronomy and Astrophysics, 367: 521–524, Bibcode:2001A&A...367..521P, arXiv:astro-ph/0012289
, doi:10.1051/0004-6361:20000451.
↑ Koen, Chris; Eyer, Laurent (março de 2002), «New periodic variables from the Hipparcos epoch photometry», Monthly Notices of the Royal Astronomical Society, 331 (1): 45–59, Bibcode:2002MNRAS.331...45K, arXiv:astro-ph/0112194, doi:10.1046/j.1365-8711.2002.05150.x.
Estrelas de Antlia |
| Bayer |
|
| Variável |
|
| HR |
- 3766
- 3770
- 3790
- 3812
- 3823
- 3830
- 3833
- 3835
- 3867
- 3878
- 3892
- 3897
- 3916
- 3932
- 3968
- 3972
- 3984
- 3992
- 4003
- 4013
- 4015
- 4019
- 4029
- 4053
- 4083
- 4086
- 4183
- 4194
- 4238
- 4313
|
| HD |
|
| Outros |
- DEN 1048-3956
- 2MASS 0939-2448
- TWA 6
- TWA 7
- XTE J0929-314
|
|
 |
Este artigo sobre Estrelas é um esboço. Você pode ajudar a Wikipédia expandindo-o. |
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