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- ...s coworkers. This system was highly optimized for [[Stellar classification|classification of stars]] from ground-based observations. The system was chosen to be medi The [[Stellar classification|temperature classification]] of early-type stars is based on [[Balmer jump]] (Balmer discontinuity). T ...3 KB (427 words) - 09:51, 19 March 2024
- |field = [[astronomy]], [[astrophysics]] ...]], [[cD Galaxy|cD galaxy type]], [[Stellar classification#Yerkes spectral classification|MK system]] ...8 KB (1,017 words) - 19:31, 28 January 2025
- ...distance to this star is approximately 294 [[light year]]s based on [[stellar parallax|parallax]].<ref name=vanLeeuwen2007/> | publisher=Dept. of Astronomy, University of Michigan ...4 KB (448 words) - 18:54, 22 May 2025
- ...tion of Volans and connects the "wings" of the constellation. Based upon [[stellar parallax|parallax]] measurements, is roughly 640 [[light years]] from [[Ear ...pectroscopic binary, consisting of two [[A-type main sequence star]]s with stellar classifications of A2 V and an orbital period of "a few days".<ref nam ...6 KB (681 words) - 04:27, 14 November 2024
- ...assification|spectral type]] G8III, it is a deep-yellow coloured [[stellar classification|G-type]] [[giant star|giant]] approximately 419 [[light years]] from [[Eart | title=Precise radial velocities of giant stars. III. Spectroscopic stellar parameters ...5 KB (600 words) - 22:11, 25 March 2025
- {{about|c<sup>3</sup> Aquarii|other star systems with this [[Bayer designation]]|c Aquarii}} ..., HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index, N. D. Kostjuk, Institute of Astronomy of Russian Academy of Sciences, 2002; [[Centre de Données astronomiques de ...7 KB (825 words) - 20:24, 27 April 2025
- ...object is an [[stellar evolution|evolved]] [[giant star]] with a [[stellar classification]] of K1 III,<ref name=houk1978/> most likely (82% chance) on the [[hor | journal=Astronomy and Astrophysics ...5 KB (652 words) - 12:19, 22 August 2024
- {{about|b<sup>3</sup> Aquarii|other star systems with this [[Bayer designation]]|b Aquarii}} ...magnitude of 4.81. It is an [[A-type main sequence star]] with a [[stellar classification]] of A0 V.<ref name=houk1978/> This star is spinning rapidly with a [[ ...6 KB (675 words) - 20:28, 27 April 2025
- ...stance, the visual magnitude of the star is diminished by an [[extinction (astronomy)|extinction factor]] of 0.09 due to [[interstellar dust]].<ref name=Jones20 ...imated 1.75<ref name=Jones2011/> times the [[mass of the Sun]] but after [[stellar evolution|evolving]] away from the [[main sequence]] it has expanded to 9.8 ...5 KB (632 words) - 19:16, 5 June 2025
- ...which means it is faintly visible to the naked eye. Based upon an annual [[stellar parallax|parallax shift]] of {{Val|6.6|ul=mas}}, it is located 470 [[l ...indicates it has consumed the hydrogen at its [[stellar core|core]] and [[stellar evolution|evolved]] off the [[main sequence]]. The measured [[angular diame ...5 KB (641 words) - 20:33, 24 May 2025
- ...ked eye on a dark night. The distance to this star, based upon an annual [[stellar parallax|parallax shift]] of 16.86 [[milliarcsecond|mas]],<ref name="v ...n of F2 III,<ref name="Malaroda1975" /> which would indicate a more [[stellar evolution|evolved]] [[giant star]]. It is estimated to have nearly double t ...7 KB (791 words) - 04:43, 21 August 2024
- ...K0 III,<ref name=Cowley1979/> having exhausted the hydrogen at its [[stellar core|core]] and expanded off the [[main sequence]]. It has 1.9 times the [[ ...2=O. |last3=Mishenina |first3=T. V. |last4=Kovtyukh |first4=V. V. |journal=Astronomy and Astrophysics |date=2008 |volume=480 |issue=1 |page=91 |doi=10.1051/0004 ...5 KB (606 words) - 19:08, 24 April 2025
- ...by stellar associations and moving groups|Volans-Carina Association]] of [[Stellar association|co-moving stars]].<ref name=Gagné2018/> ...tar with a [[stellar classification]] of B8/9II.<ref name=houk1979/> The [[stellar spectrum|spectrum]] of the star displays metallic lines of [[magnesium]].<r ...6 KB (771 words) - 18:56, 23 February 2025
- {{about|c<sup>1</sup> Aquarii|other star systems with this [[Bayer designation]]|c Aquarii}} ...of 4.79.<ref name=mnras389_2_869/> The [[effective temperature]] of its [[stellar atmosphere|outer atmosphere]] is 4,900 K,<ref name=apjss74/> giving it ...6 KB (743 words) - 20:22, 27 April 2025
- ...4.<ref name=Takeda2008/> The distance to this star, based upon an annual [[stellar parallax|parallax shift]] of {{Val|19.06|0.29|ul=mas}},<ref name=vanLeeuwen This is a yellow [[K-type star|K-type]] [[giant star]] with a [[stellar classification]] of K0 III.<ref name=houk1978/> At the age of around 550 million ...6 KB (676 words) - 19:36, 24 April 2025
- ...d this star classified as A3 IV,<ref name=abt1985/> matching a more [[stellar evolution|evolved]] [[subgiant star|subgiant]]. | journal=Astronomy Letters ...5 KB (638 words) - 15:33, 18 July 2024
- ...ar is approximately 1,010 [[light year]]s from the [[Sun]] based on [[stellar parallax|parallax]],<ref name=GaiaDR2/> and it is drifting further away wit This star has a [[stellar classification]] of B8/9III,<ref name=Houk1988/> matching a [[B-type star]] that is in the ...5 KB (564 words) - 10:38, 22 August 2024
- ...]].<ref name=Keenan1987/> Having exhausted the supply of hydrogen at its [[stellar core|core]], the star has expanded to 48<ref name=GaiaDR2/> times the [[Sun | journal=Astronomy Letters | postscript=. ...6 KB (742 words) - 19:05, 25 April 2025
- ...it is a dim star that is visible to the naked eye. Based upon an annual [[stellar parallax|parallax shift]] of 11.03 [[milliarcsecond|mas]] as seen from ...which indicates it is generating energy through [[helium fusion]] at its [[stellar core|core]].<ref name=Mishenina2006/> Sigma<sup>3</sup> Cancri has 2.8 time ...7 KB (810 words) - 19:11, 24 April 2025
- ...869/> Both are [[A-type main sequence star]]s; the primary has a [[stellar classification]] of A2 V while its companion is A7 V.<ref name=pasp81_482_643/> ...=November 2007 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | bibcode=2007A&A.. ...6 KB (697 words) - 20:25, 27 April 2025