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维基百科

格利泽908

四月 01, 2023

天球赤道座標： 23h 49m 12.52790s，+02° 24′ 04.4072″

格利泽908是一顆位於雙魚座的紅矮星，距離地球19.3光年。它是一顆天龍座BY型變星，變星編號為BR Piscium。由於星斑和不同的色球活動，它的視星等在8.93和9.03之間變化。

Gliese 908

格利泽908的可見光變曲線[1]
觀測資料
曆元 J2000
星座 雙魚座
星官
赤經 23h 49m 12.52790s[2]
赤緯 02° 24′ 04.4072″[2]
視星等（V） 8.93 - 9.03[3]
特性
光谱分类M1V Fe-1[4]
变星类型BY Dra[3]
天体测定
徑向速度 (Rv)−71.79[5] km/s
自行 (μ) 赤经：992.665[5] mas/yr
赤纬：−968.648[5] mas/yr
视差 (π)169.2163 ± 0.0281[6] mas
距离19.275 ± 0.003 ly
(5.9096 ± 0.001 pc)
绝对星等 (MV)+10.1[7]
詳細資料
質量0.37[8] M☉
半徑0.39[9] R☉
表面重力 (log g)4.86[9]
亮度 (bolometric)0.022[9] L☉
溫度3,570[9] K
金属量 [Fe/H]−0.51±0.05[10] dex
自轉速度 (v sin i)2.25[11] km/s
其他命名
BR Piscium、​BD+01°4774、​GJ 908[12]、​HIP 117473[2]、​SAO 128397、​PPM 174453、​G 29-68、​G 31-6、​LHS 550[13]、​LTT 17014、​PLX 5763[14]、​TYC 586-610-1[15]、​GSC 00586-00610、​IRAS 23466+0207、​2MASS J23491255+0224037
參考資料庫
SIMBAD资料
Gliese 908
格利泽908在雙魚座的位置

格利泽908的可變性在1994年得到確認，儘管其亮度變化沒有檢測到週期性。[16]1997年進入變星總表。[17]

格利泽908是一顆主序星，光譜等級為M1V Fe-1。後綴表示明顯缺乏重元素。[4]

參考

  1. ^ ASAS-SN Variable Stars Database. ASAS-SN Variable Stars Database. ASAS-SN. [6 January 2022]. 
  2. ^ 2.0 2.1 2.2 Perryman; et al. HIP 117473. The Hipparcos and Tycho Catalogues. 1997. 
  3. ^ 3.0 3.1 Samus, N. N.; Durlevich, O. V.; et al. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013). VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 2009, 1: B/gcvs. Bibcode:2009yCat....102025S. 
  4. ^ 4.0 4.1 Keenan, Philip C.; McNeil, Raymond C. The Perkins Catalog of Revised MK Types for the Cooler Stars. The Astrophysical Journal Supplement Series. 1989, 71: 245. Bibcode:1989ApJS...71..245K. doi:10.1086/191373. 
  5. ^ 5.0 5.1 5.2 Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. Gaia Data Release 2. Summary of the contents and survey properties. Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365  . doi:10.1051/0004-6361/201833051.  VizieR中此天体在盖亚望远镜第二批数据发布的记录
  6. ^ Brown, A. G. A.; et al. Gaia Early Data Release 3: Summary of the contents and survey properties. Astronomy & Astrophysics. 2021, 649: A1. Bibcode:2021A&A...649A...1G. S2CID 227254300. arXiv:2012.01533  . doi:10.1051/0004-6361/202039657  .  已忽略未知参数|collaboration= (帮助) (勘误: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
  7. ^ Boro Saikia, S.; et al, Chromospheric activity catalogue of 4454 cool stars. Questioning the active branch of stellar activity cycles, Astronomy and Astrophysics, 2018, 616: A108, Bibcode:2018A&A...616A.108B, S2CID 118915212, arXiv:1803.11123  , doi:10.1051/0004-6361/201629518. 
  8. ^ Perger, M.; García-Piquer, A.; Ribas, I.; Morales, J. C.; Affer, L.; Micela, G.; Damasso, M.; Suárez-Mascareño, A.; González-Hernández, J. I.; Rebolo, R.; Herrero, E.; Rosich, A.; Lafarga, M.; Bignamini, A.; Sozzetti, A.; Claudi, R.; Cosentino, R.; Molinari, E.; Maldonado, J.; Maggio, A.; Lanza, A. F.; Poretti, E.; Pagano, I.; Desidera, S.; Gratton, R.; Piotto, G.; Bonomo, A. S.; Martinez Fiorenzano, A. F.; Giacobbe, P.; et al. HADES RV Programme with HARPS-N at TNG. II. Data treatment and simulations. Astronomy and Astrophysics. 2017, 598: A26. Bibcode:2017A&A...598A..26P. S2CID 56341358. arXiv:1610.08698  . doi:10.1051/0004-6361/201628985. 
  9. ^ 9.0 9.1 9.2 9.3 Maldonado, J.; Affer, L.; Micela, G.; Scandariato, G.; Damasso, M.; Stelzer, B.; Barbieri, M.; Bedin, L. R.; Biazzo, K.; Bignamini, A.; Borsa, F.; Claudi, R. U.; Covino, E.; Desidera, S.; Esposito, M.; Gratton, R.; González Hernández, J. I.; Lanza, A. F.; Maggio, A.; Molinari, E.; Pagano, I.; Perger, M.; Pillitteri, I.; Piotto, G.; Poretti, E.; Prisinzano, L.; Rebolo, R.; Ribas, I.; Shkolnik, E.; et al. Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths. Astronomy and Astrophysics. 2015, 577: A132. Bibcode:2015A&A...577A.132M. S2CID 53582613. arXiv:1503.03010  . doi:10.1051/0004-6361/201525797. 
  10. ^ Lindgren, Sara; Heiter, Ulrike. Metallicity determination of M dwarfs. Expanded parameter range in metallicity and effective temperature. Astronomy and Astrophysics. 2017, 604: A97. Bibcode:2017A&A...604A..97L. S2CID 119216828. arXiv:1705.08785  . doi:10.1051/0004-6361/201730715. 
  11. ^ Houdebine, E. R. Observation and modelling of main-sequence star chromospheres - XIV. Rotation of dM1 stars. Monthly Notices of the Royal Astronomical Society. 2010, 407 (3): 1657–1673. Bibcode:2010MNRAS.407.1657H. doi:10.1111/j.1365-2966.2010.16827.x  . 
  12. ^ Gliese, W.; Jahreiß, H. Gl 908. Preliminary Version of the Third Catalogue of Nearby Stars. 1991. 
  13. ^ Luyten, Willem Jacob. LHS 550. LHS Catalogue, 2nd Edition. 1979. 
  14. ^ Van Altena W. F.; Lee J. T.; Hoffleit E. D. GCTP 5763. The General Catalogue of Trigonometric Stellar Parallaxes Fourth. 1995. 
  15. ^ Perryman; et al. HIP 117473. The Hipparcos and Tycho Catalogues. 1997. 
  16. ^ Weis, Edward W. Long Term Variability in Dwarf M Stars. The Astronomical Journal. 1994, 107: 1135. Bibcode:1994AJ....107.1135W. doi:10.1086/116925. 
  17. ^ Kazarovets, E. V.; Samus, N. N. The 73rd Name-List of Variable Stars. Information Bulletin on Variable Stars. 1997, 4471: 1. Bibcode:1997IBVS.4471....1K. 

四月 01, 2023
格利泽908, 天球赤道座標, 52790s, 4072, 是一顆位於雙魚座的紅矮星, 距離地球19, 3光年, 它是一顆天龍座by型變星, 變星編號為br, piscium, 由於星斑和不同的色球活動, 它的視星等在8, 93和9, 03之間變化, gliese, 908的可見光變曲線, 觀測資料曆元, j2000星座, 雙魚座星官赤經, 52790s, 赤緯, 4072, 視星等, 特性光谱分类m1v, 变星类型by, 天体测定徑向速度, 2998282099999999999, s自行, 赤经, 700299. 天球赤道座標 23h 49m 12 52790s 02 24 04 4072 格利泽908是一顆位於雙魚座的紅矮星 距離地球19 3光年 它是一顆天龍座BY型變星 變星編號為BR Piscium 由於星斑和不同的色球活動 它的視星等在8 93和9 03之間變化 Gliese 908格利泽908的可見光變曲線 1 觀測資料曆元 J2000星座 雙魚座星官赤經 23h 49m 12 52790s 2 赤緯 02 24 04 4072 2 視星等 V 8 93 9 03 3 特性光谱分类M1V Fe 1 4 变星类型BY Dra 3 天体测定徑向速度 Rv 2998282099999999999 71 79 5 km s自行 m 赤经 7002992665000000000 992 665 5 mas yr 赤纬 2997031351999999999 968 648 5 mas yr视差 p 169 2163 0 0281 6 mas距离19 275 0 003 ly 5 9096 0 001 pc 绝对星等 MV 10 1 7 詳細資料質量0 37 8 M 半徑0 39 9 R 表面重力 log g 4 86 9 亮度 bolometric 0 022 9 L 溫度3 570 9 K金属量 Fe H 3000490000000000000 0 51 0 05 10 dex自轉速度 v sin i 2 25 11 km s其他命名BR Piscium BD 01 4774 GJ 908 12 HIP 117473 2 SAO 128397 PPM 174453 G 29 68 G 31 6 LHS 550 13 LTT 17014 PLX 5763 14 TYC 586 610 1 15 GSC 00586 00610 IRAS 23466 0207 2MASS J23491255 0224037參考資料庫SIMBAD资料Gliese 908格利泽908在雙魚座的位置格利泽908的可變性在1994年得到確認 儘管其亮度變化沒有檢測到週期性 16 1997年進入變星總表 17 格利泽908是一顆主序星 光譜等級為M1V Fe 1 後綴表示明顯缺乏重元素 4 參考 编辑 ASAS SN Variable Stars Database ASAS SN Variable Stars Database ASAS SN 6 January 2022 2 0 2 1 2 2 Perryman et al HIP 117473 The Hipparcos and Tycho Catalogues 1997 3 0 3 1 Samus N N Durlevich O V et al VizieR Online Data Catalog General Catalogue of Variable Stars Samus 2007 2013 VizieR On line Data Catalog B GCVS Originally Published in 2009yCat 102025S 2009 1 B gcvs Bibcode 2009yCat 102025S 4 0 4 1 Keenan Philip C McNeil Raymond C The Perkins Catalog of Revised MK Types for the Cooler Stars The Astrophysical Journal Supplement Series 1989 71 245 Bibcode 1989ApJS 71 245K doi 10 1086 191373 5 0 5 1 5 2 Brown A G A Vallenari A Prusti T de Bruijne J H J et al Gaia Data Release 2 Summary of the contents and survey properties Astronomy amp Astrophysics 2018 Bibcode 2018A amp A 616A 1G arXiv 1804 09365 doi 10 1051 0004 6361 201833051 VizieR中此天体在盖亚望远镜第二批数据发布的记录 Brown A G A et al Gaia Early Data Release 3 Summary of the contents and survey properties Astronomy amp Astrophysics 2021 649 A1 Bibcode 2021A amp A 649A 1G S2CID 227254300 arXiv 2012 01533 doi 10 1051 0004 6361 202039657 已忽略未知参数 collaboration 帮助 勘误 doi 10 1051 0004 6361 202039657e Gaia EDR3 record for this source at VizieR Boro Saikia S et al Chromospheric activity catalogue of 4454 cool stars Questioning the active branch of stellar activity cycles Astronomy and Astrophysics 2018 616 A108 Bibcode 2018A amp A 616A 108B S2CID 118915212 arXiv 1803 11123 doi 10 1051 0004 6361 201629518 Perger M Garcia Piquer A Ribas I Morales J C Affer L Micela G Damasso M Suarez Mascareno A Gonzalez Hernandez J I Rebolo R Herrero E Rosich A Lafarga M Bignamini A Sozzetti A Claudi R Cosentino R Molinari E Maldonado J Maggio A Lanza A F Poretti E Pagano I Desidera S Gratton R Piotto G Bonomo A S Martinez Fiorenzano A F Giacobbe P et al HADES RV Programme with HARPS N at TNG II Data treatment and simulations Astronomy and Astrophysics 2017 598 A26 Bibcode 2017A amp A 598A 26P S2CID 56341358 arXiv 1610 08698 doi 10 1051 0004 6361 201628985 9 0 9 1 9 2 9 3 Maldonado J Affer L Micela G Scandariato G Damasso M Stelzer B Barbieri M Bedin L R Biazzo K Bignamini A Borsa F Claudi R U Covino E Desidera S Esposito M Gratton R Gonzalez Hernandez J I Lanza A F Maggio A Molinari E Pagano I Perger M Pillitteri I Piotto G Poretti E Prisinzano L Rebolo R Ribas I Shkolnik E et al Stellar parameters of early M dwarfs from ratios of spectral features at optical wavelengths Astronomy and Astrophysics 2015 577 A132 Bibcode 2015A amp A 577A 132M S2CID 53582613 arXiv 1503 03010 doi 10 1051 0004 6361 201525797 Lindgren Sara Heiter Ulrike Metallicity determination of M dwarfs Expanded parameter range in metallicity and effective temperature Astronomy and Astrophysics 2017 604 A97 Bibcode 2017A amp A 604A 97L S2CID 119216828 arXiv 1705 08785 doi 10 1051 0004 6361 201730715 Houdebine E R Observation and modelling of main sequence star chromospheres XIV Rotation of dM1 stars Monthly Notices of the Royal Astronomical Society 2010 407 3 1657 1673 Bibcode 2010MNRAS 407 1657H doi 10 1111 j 1365 2966 2010 16827 x Gliese W Jahreiss H Gl 908 Preliminary Version of the Third Catalogue of Nearby Stars 1991 Luyten Willem Jacob LHS 550 LHS Catalogue 2nd Edition 1979 Van Altena W F Lee J T Hoffleit E D GCTP 5763 The General Catalogue of Trigonometric Stellar Parallaxes Fourth 1995 Perryman et al HIP 117473 The Hipparcos and Tycho Catalogues 1997 Weis Edward W Long Term Variability in Dwarf M Stars The Astronomical Journal 1994 107 1135 Bibcode 1994AJ 107 1135W doi 10 1086 116925 Kazarovets E V Samus N N The 73rd Name List of Variable Stars Information Bulletin on Variable Stars 1997 4471 1 Bibcode 1997IBVS 4471 1K 取自 https zh wikipedia org w index php title 格利泽908 amp oldid 76450162, 维基百科，wiki，书籍，书籍，图书馆，

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