12 Ophiuchi

12 Ophiuchi
	rotating variable star (en) , Estrella variable BY Draconis (es) , fonte d'infrarroxos, fuente astrofísica de rayos X (es) , estrella doble (es) , estrella variable eruptiva (es) , near-IR source (en) y UV-emission source (en)
Datos d'observación
Ascensión reuta (α)	249,08937370707 °
Declinación (δ)	−2,3245869511758 °
Distancia a la Tierra	9,8939 pc
Magnitú aparente (V)	5,77 (banda V)
Magnitú absoluta	5,81
Constelación	Ofiucu
Velocidá de rotación	2,4 km/s
Velocidá radial	−12,812 km/s
Parallax	101,0719 mas
Carauterístiques físiques
Radiu	0,78 Radius solars
Masa	0,91 M☉
Gravedá superficial	35 000 cm/s²
Tipu espectral	K0V (k)
Otros nomes
	Ver llista 2MASS J16362142-0219281 (2MASS (es) ); HD 149661 (Catálogu Henry Draper); HIP 81300 (Catálogu Hipparcos); HR 6171 (Bright Star Catalogue); IRAS 16337+0213 (IRAS (es) ); SAO 141269 (Catálogu SAO); GJ 631 (Catálogu Gliese); 1RXS J163621.3-021925 (1RXS (en) ); 2EUVE J1636-02.3 (The second Extreme Ultraviolet Explorer source catalog (en) ); CCDM J16363-0220A (Catalog of Components of Double and Multiple Stars (en) ); EUVE J1636-02.3 (The first Extreme Ultraviolet Explorer source catalog (en) ); FK5 1433 (FK5 (en) ); GC 22321 (Boss General Catalogue (es) ); GCRV 9544 (General Catalogue of Stellar Radial Velocities (es) ); HIC 81300 (Hipparcos Input Catalogue (en) ); IDS 16310-0207 A (Index Catalogue of Visual Double Stars (en) ); IRAS 16337-0213 (IRAS (es) ); JP11 2778 (JP11 (en) ); LFT 1294 (Luyten Five-Tenths catalogue (en) ); LHS 3224 (Luyten Half-Second catalogue (en) ); LPM 614 (Luyten Proper-Motion catalogue (en) ); LTT 6632 (Luyten Two-Tenths catalogue (en) ); N30 3716 (Catalog of 5,268 Standard Stars Based on the Normal System N30 (en) ); NLTT 43164 (New Luyten Two-Tenths catalogue (en) ); PLX 3773 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PLX 3773.00 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PMC 90-93 1012 (Tokyo Photoelectric Meridian Circle Catalog (en) ); PPM 179865 (Catálogo de estrellas PPM (es) ); SPOCS 711 (Spectroscopic Properties of Cool Stars (en) ); TYC 5052-996-1 (Tycho Catalogue (en) ); UBV 14042 (UBV Photoelectric Photometry Catalogue (en) ); V2133 Oph (General Catalogue of Variable Stars); WDS J16364-0219A (Catálogo de Estrellas Dobles Washington (es) ); YZ 92 4175 (Yale Observatory Zone Catalog (en) ); uvby98 100149661 (uvbyβ Photoelectric Photometric Catalogue (en) ); Ci 20 1002 (Catalogue of proper motion stars (en) ); PM 16337-0213 (Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more (en) ); [GKL99] 327 (Catalogue and bibliography of the UV Cet-type flare stars and related objects in the solar vicinity (en) ); WEB 13740 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (en) ); Gaia DR2 4358031335897026304 (Gaia DR2 (es) ); 12 Oph (Denominación de Flamsteed (es) ); Gaia DR3 4358031335898505472 (Gaia DR3 (es) ); TIC 58092025 (TESS Input Catalog (en) ); UBV M 21548 (UBV Photoelectric Photometry Catalogue (en) );

Coordenaes: 16^h 36^m 21.45^s, -2^° 19^′ 28.513^″

12 Ophiuchi (HD 149661 / HR 6171 / GJ 631)^[9] ye una estrella variable na constelación d'Ophiuchus. Clasificada como variable BY Draconis, recibe la designación de variable V2133 Ophiuchi.^[9] Ta asitiada a 31,9 años lluz de distancia del Sistema Solar y tien magnitú aparente media +5,76. GJ 1207, a 2,7 años lluz, ye la estrella más cercana a 12 Ophiuchi.^[10]

↑ ^1,0 ^1,1 ^1,2 ^1,3 ^1,4 ^1,5 ^1,6 ^1,7 Afirmao en: SIMBAD.
↑ ^2,0 ^2,1 ^2,2 ^2,3 Afirmao en: Gaia EDR3. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 3 avientu 2020.
↑ Gerard T. van Belle (23 marzu 2009). «Directly determined linear radii and effective temperatures of exoplanet host stars» (n'inglés). The Astrophysical Journal (2): páxs. 1085–1098. doi:10.1088/0004-637X/694/2/1085.
↑ Caroline Soubiran (marzu 2008). «Vertical distribution of Galactic disk stars» (n'inglés). Astronomy and Astrophysics (1): páxs. 91–101. doi:10.1051/0004-6361:20078788.
↑ «Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants». The Astronomical Journal (1). 21 avientu 2016. doi:10.3847/1538-3881/153/1/21.
↑ Caroline Soubiran (agostu 2018). «Gaia Data Release 2. The catalogue of radial velocity standard stars» (n'inglés). Astronomy and Astrophysics. doi:10.1051/0004-6361/201832795.
↑ Jason Wright (xunetu 2021). «The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades» (n'inglés). The Astrophysical Journal Supplement Series (1): páxs. 8. doi:10.3847/1538-4365/ABE23C.
↑ Christopher J. Corbally (2 xunu 2006). «Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc--The Southern Sample» (n'inglés). The Astronomical Journal (1): páxs. 161–170. doi:10.1086/504637.
↑ ^9,0 ^9,1 12 Ophiuchi (SIMBAD)
↑ V2133 / 12 Ophiuchi (Solstation)

[8ba559d5760a03bedaaacc3c347bbfe4981560bf-1] 1,0 ^1,1 ^1,2 ^1,3 ^1,4 ^1,5 ^1,6 ^1,7 Afirmao en: SIMBAD.

[88f46fab9cce60c7e274ff942763157775017282-2] 2,0 ^2,1 ^2,2 ^2,3 Afirmao en: Gaia EDR3. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 3 avientu 2020.

[42cdd84af12bb5eab8cd9516e8e7e5005c4698b6-3] Gerard T. van Belle (23 marzu 2009). «Directly determined linear radii and effective temperatures of exoplanet host stars» (n'inglés). The Astrophysical Journal (2): páxs. 1085–1098. doi:10.1088/0004-637X/694/2/1085.

[ebbeec0ff53d6742e67f44a0b298ab154e9d5c7b-4] Caroline Soubiran (marzu 2008). «Vertical distribution of Galactic disk stars» (n'inglés). Astronomy and Astrophysics (1): páxs. 91–101. doi:10.1051/0004-6361:20078788.

[bd2a71104e373ac322e3d44720f2532f6e28db17-5] «Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants». The Astronomical Journal (1). 21 avientu 2016. doi:10.3847/1538-3881/153/1/21.

[3bf3b74f599a0eb91eecfea10ab3e78fe4e80b5e-6] Caroline Soubiran (agostu 2018). «Gaia Data Release 2. The catalogue of radial velocity standard stars» (n'inglés). Astronomy and Astrophysics. doi:10.1051/0004-6361/201832795.

[a44d9a97bc87eaeee10abf86bcf7f301a57627cb-7] Jason Wright (xunetu 2021). «The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades» (n'inglés). The Astrophysical Journal Supplement Series (1): páxs. 8. doi:10.3847/1538-4365/ABE23C.

[d6fe75b9808b91f527fa105319c1bcafee3e4664-8] Christopher J. Corbally (2 xunu 2006). «Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 pc--The Southern Sample» (n'inglés). The Astronomical Journal (1): páxs. 161–170. doi:10.1086/504637.

[SIMBAD-9] 9,0 ^9,1 12 Ophiuchi (SIMBAD)

[10] V2133 / 12 Ophiuchi (Solstation)

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[10]

12 Ophiuchi
rotating variable star ^(en) ^[1], Estrella variable BY Draconis ^(es) ^[1], fonte d'infrarroxos^[1], fuente astrofísica de rayos X ^(es) ^[1], estrella doble ^(es) ^[1], estrella variable eruptiva ^(es) ^[1], near-IR source ^(en) ^[1] y UV-emission source ^(en) ^[1]
Datos d'observación
Ascensión reuta (α)	249,08937370707 °^[2]
Declinación (δ)	−2,3245869511758 °^[2]
Distancia a la Tierra	9,8939 pc
Magnitú aparente (V)	5,77 (banda V)
Magnitú absoluta	5,81^[4]
Constelación	Ofiucu
Velocidá de rotación	2,4 km/s^[5]
Velocidá radial	−12,812 km/s^[6]
Parallax	101,0719 mas^[2]
Carauterístiques físiques
Radiu	0,78 Radius solars
Masa	0,91 M☉
Gravedá superficial	35 000 cm/s²^[7]
Tipu espectral	K0V (k)^[8]
Otros nomes
Ver llista 2MASS J16362142-0219281 (2MASS ^(es) ) HD 149661 (Catálogu Henry Draper) HIP 81300 (Catálogu Hipparcos) HR 6171 (Bright Star Catalogue) IRAS 16337+0213 (IRAS ^(es) ) SAO 141269 (Catálogu SAO) GJ 631 (Catálogu Gliese) 1RXS J163621.3-021925 (1RXS ^(en) ) 2EUVE J1636-02.3 (The second Extreme Ultraviolet Explorer source catalog ^(en) ) CCDM J16363-0220A (Catalog of Components of Double and Multiple Stars ^(en) ) EUVE J1636-02.3 (The first Extreme Ultraviolet Explorer source catalog ^(en) ) FK5 1433 (FK5 ^(en) ) GC 22321 (Boss General Catalogue ^(es) ) GCRV 9544 (General Catalogue of Stellar Radial Velocities ^(es) ) HIC 81300 (Hipparcos Input Catalogue ^(en) ) IDS 16310-0207 A (Index Catalogue of Visual Double Stars ^(en) ) IRAS 16337-0213 (IRAS ^(es) ) JP11 2778 (JP11 ^(en) ) LFT 1294 (Luyten Five-Tenths catalogue ^(en) ) LHS 3224 (Luyten Half-Second catalogue ^(en) ) LPM 614 (Luyten Proper-Motion catalogue ^(en) ) LTT 6632 (Luyten Two-Tenths catalogue ^(en) ) N30 3716 (Catalog of 5,268 Standard Stars Based on the Normal System N30 ^(en) ) NLTT 43164 (New Luyten Two-Tenths catalogue ^(en) ) PLX 3773 (General Catalogue of Trigonometric Stellar Parallaxes ^(es) ) PLX 3773.00 (General Catalogue of Trigonometric Stellar Parallaxes ^(es) ) PMC 90-93 1012 (Tokyo Photoelectric Meridian Circle Catalog ^(en) ) PPM 179865 (Catálogo de estrellas PPM ^(es) ) SPOCS 711 (Spectroscopic Properties of Cool Stars ^(en) ) TYC 5052-996-1 (Tycho Catalogue ^(en) ) UBV 14042 (UBV Photoelectric Photometry Catalogue ^(en) ) V2133 Oph (General Catalogue of Variable Stars) WDS J16364-0219A (Catálogo de Estrellas Dobles Washington ^(es) ) YZ 92 4175 (Yale Observatory Zone Catalog ^(en) ) uvby98 100149661 (uvbyβ Photoelectric Photometric Catalogue ^(en) ) Ci 20 1002 (Catalogue of proper motion stars ^(en) ) PM 16337-0213 (Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more ^(en) ) [GKL99] 327 (Catalogue and bibliography of the UV Cet-type flare stars and related objects in the solar vicinity ^(en) ) WEB 13740 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue ^(en) ) Gaia DR2 4358031335897026304 (Gaia DR2 ^(es) ) 12 Oph (Denominación de Flamsteed ^(es) ) Gaia DR3 4358031335898505472 (Gaia DR3 ^(es) ) TIC 58092025 (TESS Input Catalog ^(en) ) UBV M 21548 (UBV Photoelectric Photometry Catalogue ^(en) )