HD 149837

HD 149837
HD 149837
관측 데이터
에폭 J2000 이쿼녹스 J2000
별자리 아라
우측 상승 16h 40m 50.48446s[1]
탈위임 −60° 26′ 47.2030″[1]
겉보기 크기(V) 6.18[2]
특성.
스펙트럼형 F6V[3]
겉보기 크기(B) 6.660
겉보기 크기(V) 6.223
겉보기 크기(J) 5.217
겉보기 크기(H) 4.969
겉보기 크기(K) 4.886
B-V색지수 +0.17[2]
아스트로메트리
방사 속도(Rv)3.9±0.2km[4]/s
적정운동(μ) RA: +59.02[1]mas/yr
Dec.: –74.20[1] mas/yr
시차(시차)31.92 ± 0.53 마스[1]
거리102 ± 2 리
(31.3 ± 0.5 pc)
세부 사항
HD 149837 A
미사1.25[5] M
루미도2.8[6] L
표면 중력(log g)4.16[3] cgs
온도6,354[3] K
금속성 [Fe/H]-0.08[3] 덱스
나이2.7[7] Gyr
HD 149837 B
미사0.79[5] M
기타 지정
CD–60° 6381, HD 149837, HIP 81657, HR 6177, SAO 253651.
데이터베이스 참조
심바드자료

HD 149837아라의 남쪽 별자리에 있는 이진성이다.

참조

  1. ^ a b c d e van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357, S2CID 18759600.
  2. ^ a b Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N
  3. ^ a b c d Gray, R. O.; et al. (July 2006), "Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample", The Astronomical Journal, 132 (1): 161–170, arXiv:astro-ph/0603770, Bibcode:2006AJ....132..161G, doi:10.1086/504637, S2CID 119476992
  4. ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
  5. ^ a b Tokovinin, Andrei (April 2014), "From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs", The Astronomical Journal, 147 (4): 14, arXiv:1401.6827, Bibcode:2014AJ....147...87T, doi:10.1088/0004-6256/147/4/87, S2CID 56066740, 87
  6. ^ McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x, S2CID 118665352
  7. ^ Holmberg, J.; Nordström, B.; Andersen, J. (July 2009), "The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics", Astronomy and Astrophysics, 501 (3): 941–947, arXiv:0811.3982, Bibcode:2009A&A...501..941H, doi:10.1051/0004-6361/200811191, S2CID 118577511

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