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...visual magnitude]] of 4.98.<ref name=Anderson2012/> Based upon an annual [[stellar parallax|parallax shift]] of {{Val|2.9564|ul=mas}},<ref name=GaiaDR2/> it i ...pe]] [[giant star]] with an overabundance of [[Cyano radical|CN]] in the [[stellar atmosphere|atmosphere]]. The measured [[angular diameter]] of this star, af ...

...e=Anderson2012/> The distance to HD 89998, as determined from its annual [[stellar parallax|parallax shift]] of {{Val|15.9|ul=mas}},<ref name=GaiaDR2/> is 205 This is an [[stellar evolution|evolved]] [[giant star]] with a [[stellar classification]] of K1&nbsp;III.<ref name=houk1978/> The measured [[angular diameter]] of ...

...=Takeda2008/> The distance to this star can be estimated from its annual [[stellar parallax|parallax shift]] of {{Val|7.9700|0.0674}},<ref name="Gaia EDR3"/> ...ontal branch]] and is generating energy through [[helium fusion]] in its [[stellar core|core region]].<ref name=Valentini2010/> The [[interferometry]]-measure ...

...sual magnitude]] of 4.12.<ref name=Mermilliod1986/> Based upon an annual [[stellar parallax|parallax shift]] of 7.81&nbsp;[[milliarcsecond|mas]],<ref name=van ...ggen1973/> The star radiates 864 times the [[solar luminosity]] from its [[stellar atmosphere|outer atmosphere]] with an [[effective temperature]] of 4,053&nb ...

...Soubiran2010/> The distance to this system, as determined from an annual [[stellar parallax|parallax shift]] of {{Val|19.9|ul=mas}},<ref name=GaiaDR2/> is 164 ...ontal branch]] and is generating energy through [[helium fusion]] at its [[stellar core|core]].<ref name=Alves2000/> The [[interferometry]]-measured [[angular ...

{{For|other star systems with this [[Bayer designation]]|Upsilon Eridani}} ...a clear, dark night. The distance to this star, as determined using the [[stellar parallax|parallax method]],<ref name=vanLeeuwen2007/> is around 127&nbsp;[[ ...

...derson2012/> and hence is visible to the naked eye. Based upon an annual [[stellar parallax|parallax shift]] of {{Val|15.8|ul=mas}},<ref name=GaiaDR2/> it is ...evolution|evolved]] [[G-type star|G-type]] [[giant star]] with a [[stellar classification]] of G6&nbsp;III.<ref name=perkins1989/> The [[interferometry]]-measured [[ ...

...stance, the visual magnitude of the star is diminished by an [[Extinction (astronomy)|interstellar absorption factor]] of 0.033 due to interstellar dust.<ref na ...a thousand times the [[solar luminosity|luminosity of the Sun]] from its [[stellar atmosphere|outer atmosphere]] at an [[effective temperature]] of 3,900&nbsp ...

...stance, the visual magnitude of the star is diminished by an [[extinction (astronomy)|extinction factor]] of 0.06<ref name=Groenewegen2012/> due to [[interstell ...d 560<ref name=Groenewegen2012/> times the [[solar luminosity]] from its [[stellar atmosphere|outer atmosphere]] at an [[effective temperature]] of 3,940&nbsp ...

...t is visible to the naked eye as a faint orange-hued star with a [[stellar classification]] of 5.43.<ref name=Anderson2012/> Based upon an annual [[parallax]] shift This is an [[stellar evolution|evolved]] [[giant star]] with a [[stellar classification]] of K5&nbsp;III.<ref name=Anderson2012/> The measured [[angular diameter]] ...

...the south of [[Gamma Lupi]].<ref name=Arnold1999/> Based upon an annual [[Stellar parallax|parallax shift]] of 8.97<ref name=vanLeeuwen2007/>&nbsp;[[milliarc ...gnitude 4.48 [[stellar evolution|evolved]] [[giant star]] with a [[stellar classification]] of K4.5&nbsp;III.<ref name=LandiDessy1966/> The measured [[angular diamet ...

.... At that distance, the visual magnitude is diminished by an [[extinction (astronomy)|extinction]] of 0.1 due to [[interstellar dust]].<ref name=Famaey2005/> This is an [[stellar evolution|evolved]] [[red giant]] star with a [[stellar classification]] of K5&nbsp;III.<ref name=Keenan1989/> The measured [[angular diameter]] o ...

...er than the nearby prominent star [[Polaris]].<ref name=mag/> Based upon [[stellar parallax|parallax]] measurements, HD 221525 is located at a distance of app ...V<ref name=Cowley1974/> or A8III,<ref name=abt1995/> suggesting it is an [[stellar evolution|evolving]] star on the [[subgiant star|subgiant]] or [[giant star ...

...hly 580&nbsp;[[light-year]]s from the Sun, as determined from its annual [[stellar parallax|parallax shift]] of {{Val|5.58|ul=mas}}.<ref name=vanLeeuwen2007/> This is an [[stellar evolution|evolved]] [[red giant]] star with a [[stellar classification]] of M0&nbsp;III<ref name=perkins1989/> that Eggen (1992) listed as being o ...

...it is faintly visible to the naked eye at night. The star has an annual [[stellar parallax|parallax shift]] of {{val|4.1|ul=mas}},<ref name=GaiaDR2/> indicat ...es 1,291<ref name=Mcdonald2012/> times the [[solar luminosity]] from its [[stellar atmosphere|outer atmosphere]] at an [[effective temperature]] of 16,230&nbs ...

...sual magnitude]] of 4.90.<ref name=Mermilliod1986/> Based upon an annual [[stellar parallax|parallax shift]] of 19.61&nbsp;[[Minute and second of arc#Symbols ...06/> It radiates approximately 24 times the [[solar luminosity]] from an [[stellar atmosphere|outer atmosphere]] at an [[effective temperature]] of 6,309&nbsp ...

...d Morrell (1995) listed it as type A3IV, suggesting it is instead a less [[stellar evolution|evolved]] [[subgiant star]].<ref name=abt1995/> The [[interferome | journal=Astronomy Letters | postscript=. ...

...he star is diminished by 0.15 in visual magnitude because of [[Extinction (astronomy)|extinction]] from [[interstellar medium|interstellar gas and dust]].<ref n ...name=apj22130_1_201/> times the luminosity of the Sun from this expanded [[stellar atmosphere|outer envelope]] at an [[effective temperature]] of 3,893&nbsp;K ...

...the suffix notation indicates a pronounced underabundance of iron in the [[stellar spectrum|spectrum]]. The measured [[angular diameter]] of this star, after | title=The Rotation of Binary Systems with Evolved Components ...

...which indicates it is generating energy through [[helium fusion]] at its [[stellar core|core]].<ref name=Alves2000/> | journal=Astronomy and Astrophysics ...