اچ‌دی ۹۳۱۲۹ای

HD 93129A
	; تصویر خوشه ستاره‌ای ترامپلر ۱۴ که اچ‌دی ۹۳۱۲۹ای درخشان‌ترین ستاره در این تصویر است.
اطلاعات رصدی; مبدأ J2000 اعتدال J2000
صورت فلکی	شاه‌تخته
بُعد	10h 43m 57.5s[1]
میل	‏ 51.3″ 32′ ‎−59°[1]
قدر ظاهری (V)	7.310[1]
مشخصات
نوع طیف	O2If+O3.5V[2]
شاخص رنگ U−B	−0.78[3]
شاخص رنگ B−V	+0.22[3]
اخترسنجی
سرعت شعاعی (Rv)	−۰٫۴ ± 7.4[4] km/s
حرکت خاص (μ)	RA: -5.0[1] mas/yr ; Dec.: 17.0[1] mas/yr
فاصله	2,300[2] pc
قدر مطلق (MV)	-6.5[5] (−۶٫۱ + −5.2[6])
جزئیات
Aa
جرم	110[6] M☉
شعاع	22.5[7] R☉
تابندگی	1,500,000[7] L☉
گرانش سطحی (log g)	3.71[7] cgs
دما	42,500[7] K
سرعت چرخشی (v sin i)	130[7] km/s
Ab
جرم	70[6] M☉
سن	۰٫۹+۰٫۲; −۰٫۴[4] Myr
مراجع
SIMBAD	داده‌ها

اچ دی ۹۳۱۲۹ای (به انگلیسی: HD 93129A) یکی از درخشان‌ترین ستارگان کهکشان راه شیری است. این ستاره که یک ابرغول با ردهٔ طیفی O است حدود ۷۵۰۰ سال نوری با زمین فاصله دارد.

منابع

Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27. Bibcode:2000A&A...355L..27H.
Cohen, D. H.; Gagné, M.; Leutenegger, M. A.; MacArthur, J. P.; Wollman, E. E.; Sundqvist, J. O.; Fullerton, A. W.; Owocki, S. P. (2011). "Chandra X-ray spectroscopy of the very early O supergiant HD 93129A: Constraints on wind shocks and the mass-loss rate". Monthly Notices of the Royal Astronomical Society. 415 (4): 3354–3364. arXiv:1104.4786. Bibcode:2011MNRAS.415.3354C. doi:10.1111/j.1365-2966.2011.18952.x.
Simon, K. P.; Kudritzki, R. P.; Jonas, G.; Rahe, J. (1983). "Non-LTE analysis of massive O stars. III - the O3 stars HD 93128, HD 93129A, and HDE 303308". Astronomy and Astrophysics. 125: 34. Bibcode:1983A&A...125...34S.
Penny, Laura R.; Gies, Douglas R.; Hartkopf, William I.; Mason, Brian D.; Turner, Nils H. (1993). "The frequency of binary stars in the young cluster Trumpler 14". Publications of the Astronomical Society of the Pacific. 105: 588. Bibcode:1993PASP..105..588P. doi:10.1086/133200.
Walborn, Nolan R.; Howarth, Ian D.; Lennon, Daniel J.; Massey, Philip; Oey, M. S.; Moffat, Anthony F. J.; Skalkowski, Gwen; Morrell, Nidia I.; Drissen, Laurent; Parker, Joel Wm. (2002). "A New Spectral Classification System for the Earliest O Stars: Definition of Type O2". The Astronomical Journal. 123 (5): 2754–2771. Bibcode:2002AJ....123.2754W. doi:10.1086/339831.
Nelan, Edmund P.; Walborn, Nolan R.; Wallace, Debra J.; Moffat, Anthony F. J.; Makidon, Russell B.; Gies, Douglas R.; Panagia, Nino (2004). "Resolving OB Systems in the Carina Nebula with the Hubble Space Telescope Fine Guidance Sensor". The Astronomical Journal. 128: 323–329. Bibcode:2004AJ....128..323N. doi:10.1086/420716.
Repolust, T.; Puls, J.; Herrero, A. (2004). "Stellar and wind parameters of Galactic O-stars. The influence of line-blocking/blanketing". Astronomy and Astrophysics. 415: 349–376. Bibcode:2004A&A...415..349R. doi:10.1051/0004-6361:20034594.

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[tycho2-1] Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27. Bibcode:2000A&A...355L..27H.

[cohen-2] Cohen, D. H.; Gagné, M.; Leutenegger, M. A.; MacArthur, J. P.; Wollman, E. E.; Sundqvist, J. O.; Fullerton, A. W.; Owocki, S. P. (2011). "Chandra X-ray spectroscopy of the very early O supergiant HD 93129A: Constraints on wind shocks and the mass-loss rate". Monthly Notices of the Royal Astronomical Society. 415 (4): 3354–3364. arXiv:1104.4786. Bibcode:2011MNRAS.415.3354C. doi:10.1111/j.1365-2966.2011.18952.x.

[simon1983-3] Simon, K. P.; Kudritzki, R. P.; Jonas, G.; Rahe, J. (1983). "Non-LTE analysis of massive O stars. III - the O3 stars HD 93128, HD 93129A, and HDE 303308". Astronomy and Astrophysics. 125: 34. Bibcode:1983A&A...125...34S.

[penny1993-4] Penny, Laura R.; Gies, Douglas R.; Hartkopf, William I.; Mason, Brian D.; Turner, Nils H. (1993). "The frequency of binary stars in the young cluster Trumpler 14". Publications of the Astronomical Society of the Pacific. 105: 588. Bibcode:1993PASP..105..588P. doi:10.1086/133200.

[walborn-5] Walborn, Nolan R.; Howarth, Ian D.; Lennon, Daniel J.; Massey, Philip; Oey, M. S.; Moffat, Anthony F. J.; Skalkowski, Gwen; Morrell, Nidia I.; Drissen, Laurent; Parker, Joel Wm. (2002). "A New Spectral Classification System for the Earliest O Stars: Definition of Type O2". The Astronomical Journal. 123 (5): 2754–2771. Bibcode:2002AJ....123.2754W. doi:10.1086/339831.

[nelan-6] Nelan, Edmund P.; Walborn, Nolan R.; Wallace, Debra J.; Moffat, Anthony F. J.; Makidon, Russell B.; Gies, Douglas R.; Panagia, Nino (2004). "Resolving OB Systems in the Carina Nebula with the Hubble Space Telescope Fine Guidance Sensor". The Astronomical Journal. 128: 323–329. Bibcode:2004AJ....128..323N. doi:10.1086/420716.

[repolust-7] Repolust, T.; Puls, J.; Herrero, A. (2004). "Stellar and wind parameters of Galactic O-stars. The influence of line-blocking/blanketing". Astronomy and Astrophysics. 415: 349–376. Bibcode:2004A&A...415..349R. doi:10.1051/0004-6361:20034594.