Mirfak

Mirfak
	estrella y near-IR source (en)
Parte de	Alpha Persei Cluster (en)
Datos d'observación
Ascensión reuta (α)	51,08070871833 °
Declinación (δ)	49,86117929306 °
Distancia a la Tierra	156 pc
Magnitú aparente (V)	1,79 (banda V)
Magnitú absoluta	−5,1
Constelación	Perseus (es)
Velocidá de rotación	18 km/s
Velocidá radial	−2,158 km/s
Parallax	6,44 mas
Carauterístiques físiques
Radiu	55 Radius solars
Masa	7,3 M☉
Gravedá superficial	80 cm/s²
Tipu espectral	F3I
Otros nomes
	Ver llista SAO 38787 (Catálogu SAO); 2MASS J03241936+4951401 (2MASS (es) ); GSC 03320-02808 (Guide Star Catalog (es) ); HD 20902 (Catálogu Henry Draper); HIP 15863 (Catálogu Hipparcos); HR 1017 (Bright Star Catalogue); IRAS 03207+4941 (IRAS (es) ); α Per (Denominación de Bayer); BD+49 917 (Bonner Durchmusterung); CCDM J03243+4951A (Catalog of Components of Double and Multiple Stars (en) ); CSV 100269 (Catalogue of suspected variable stars (en) ); FK5 120 (FK5 (en) ); GC 4041 (Boss General Catalogue (es) ); GCRV 1871 (General Catalogue of Stellar Radial Velocities (es) ); HIC 15863 (Hipparcos Input Catalogue (en) ); IDS 03171+4930 A (Index Catalogue of Visual Double Stars (en) ); IRC +50095 (Two-Micron Sky Survey (en) ); JP11 4562 (JP11 (en) ); N30 690 (Catalog of 5,268 Standard Stars Based on the Normal System N30 (en) ); NSV 1125 (New Catalogue of Suspected Variable Stars (es) ); PLX 707 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PLX 707.00 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PMC 90-93 85 (Tokyo Photoelectric Meridian Circle Catalog (en) ); PPM 46127 (Catálogo de estrellas PPM (es) ); RAFGL 487 (The Revised AFGL (RAFGL) catalogue (en) ); ROT 464 (Catalogue of rotational velocities of the stars (en) ); TD1 2127 (TD1 Catalog of Stellar Ultraviolet Fluxes (en) ); TYC 3320-2808-1 (Tycho Catalogue (en) ); UBV 3256 (UBV Photoelectric Photometry Catalogue (en) ); uvby98 520200605 (uvbyβ Photoelectric Photometric Catalogue (en) ); WDS J03243+4952A (Catálogo de Estrellas Dobles Washington (es) ); WEB 3026 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (en) ); 33 Per (Denominación de Flamsteed (es) ); TIC 252830952 (TESS Input Catalog (en) ); AG+49 396 (AGK3U (en) ); UBV M 40922 (UBV Photoelectric Photometry Catalogue (en) );

Coordenaes: 3^h 24^m 19.37^s, 49^° 51^′ 40.245^″

Mirfak —escritu tamién Mirphak, Marfak o Mirzac— ye'l nome de la estrella α Persei (α Per / 33 Persei / HD 20902),^[10] la más brillosa de la constelación de Perséu, con magnitú aparente +1,79.

↑ J. Landstreet (xunu 2014). «Accurate age determinations of several nearby open clusters containing magnetic Ap stars» (n'inglés). Astronomy and Astrophysics: páxs. 132–132. doi:10.1051/0004-6361/201321468.
↑ ^2,0 ^2,1 Afirmao en: SIMBAD.
↑ ^3,0 ^3,1 ^3,2 Floor van Leeuwen (2007). «Validation of the new Hipparcos reduction» (n'inglés). Astronomy and Astrophysics (2): páxs. 653–664. doi:10.1051/0004-6361:20078357.
↑ ^4,0 ^4,1 ^4,2 «Detection of the 128-day radial velocity variations in the supergiant {alpha} Persei. Rotational modulations, pulsations, or a planet?» (n'inglés). Astronomy and Astrophysics: páxs. 37–37. 2012. doi:10.1051/0004-6361/201118539.
↑ Afirmao en: Catalogue of Stellar Photometry in Johnson's 11-color system. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 2002.
↑ Afirmao en: Catalogue of rotational velocities of the stars. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: xunu 1970.
↑ 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.
↑ «Accurate fundamental parameters for A-, F- and G-type Supergiants in the solar neighbourhood» (n'inglés). Monthly Notices of the Royal Astronomical Society (2): páxs. 1369–1379. 21 febreru 2010. doi:10.1111/J.1365-2966.2009.15979.X.
↑ «Application of convolutional neural networks for stellar spectral classification». Monthly Notices of the Royal Astronomical Society (2): páxs. 2280-2300. xineru 2020. doi:10.1093/MNRAS/STZ3100.
↑ alf Per -- Variable Star (SIMBAD)

[382f613b9dd8366a9841c55ba9d96d3048cd7c33-1] J. Landstreet (xunu 2014). «Accurate age determinations of several nearby open clusters containing magnetic Ap stars» (n'inglés). Astronomy and Astrophysics: páxs. 132–132. doi:10.1051/0004-6361/201321468.

[8ba559d5760a03bedaaacc3c347bbfe4981560bf-2] 2,0 ^2,1 Afirmao en: SIMBAD.

[8edd049ced48440d6882cc10b733308727e81acc-3] 3,0 ^3,1 ^3,2 Floor van Leeuwen (2007). «Validation of the new Hipparcos reduction» (n'inglés). Astronomy and Astrophysics (2): páxs. 653–664. doi:10.1051/0004-6361:20078357.

[93c858eeaa4228ef9df45bd56840bdf7bda7415a-4] 4,0 ^4,1 ^4,2 «Detection of the 128-day radial velocity variations in the supergiant {alpha} Persei. Rotational modulations, pulsations, or a planet?» (n'inglés). Astronomy and Astrophysics: páxs. 37–37. 2012. doi:10.1051/0004-6361/201118539.

[a1b1b6b07c06876959d87fc2f8c07203d5b512f3-5] Afirmao en: Catalogue of Stellar Photometry in Johnson's 11-color system. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 2002.

[9236234eae2b798f9e4568c650db8ec35ac4e092-6] Afirmao en: Catalogue of rotational velocities of the stars. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: xunu 1970.

[3bf3b74f599a0eb91eecfea10ab3e78fe4e80b5e-7] 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.

[b5741b9553d1da7a37e20ec4bac5edca37355b76-8] «Accurate fundamental parameters for A-, F- and G-type Supergiants in the solar neighbourhood» (n'inglés). Monthly Notices of the Royal Astronomical Society (2): páxs. 1369–1379. 21 febreru 2010. doi:10.1111/J.1365-2966.2009.15979.X.

[5ec823a557ef6b9221909f23cbf6316c9584177e-9] «Application of convolutional neural networks for stellar spectral classification». Monthly Notices of the Royal Astronomical Society (2): páxs. 2280-2300. xineru 2020. doi:10.1093/MNRAS/STZ3100.

[10] Per -- Variable Star (SIMBAD)

[1]

[2]

[3]

[6]

[7]

[4]

[8]

[9]

[10]

Mirfak
estrella^[1] y near-IR source ^(en) ^[2]

Parte de	Alpha Persei Cluster ^(en) ^[2]
Datos d'observación
Ascensión reuta (α)	51,08070871833 °^[3]
Declinación (δ)	49,86117929306 °^[3]
Distancia a la Tierra	156 pc
Magnitú aparente (V)	1,79 (banda V)
Magnitú absoluta	−5,1
Constelación	Perseus ^(es)
Velocidá de rotación	18 km/s^[6]
Velocidá radial	−2,158 km/s^[7]
Parallax	6,44 mas^[3]
Carauterístiques físiques
Radiu	55 Radius solars ^[4]
Masa	7,3 M☉^[4]
Gravedá superficial	80 cm/s²^[8]
Tipu espectral	F3I^[9]
Otros nomes
Ver llista SAO 38787 (Catálogu SAO) 2MASS J03241936+4951401 (2MASS ^(es) ) GSC 03320-02808 (Guide Star Catalog ^(es) ) HD 20902 (Catálogu Henry Draper) HIP 15863 (Catálogu Hipparcos) HR 1017 (Bright Star Catalogue) IRAS 03207+4941 (IRAS ^(es) ) α Per (Denominación de Bayer) BD+49 917 (Bonner Durchmusterung) CCDM J03243+4951A (Catalog of Components of Double and Multiple Stars ^(en) ) CSV 100269 (Catalogue of suspected variable stars ^(en) ) FK5 120 (FK5 ^(en) ) GC 4041 (Boss General Catalogue ^(es) ) GCRV 1871 (General Catalogue of Stellar Radial Velocities ^(es) ) HIC 15863 (Hipparcos Input Catalogue ^(en) ) IDS 03171+4930 A (Index Catalogue of Visual Double Stars ^(en) ) IRC +50095 (Two-Micron Sky Survey ^(en) ) JP11 4562 (JP11 ^(en) ) N30 690 (Catalog of 5,268 Standard Stars Based on the Normal System N30 ^(en) ) NSV 1125 (New Catalogue of Suspected Variable Stars ^(es) ) PLX 707 (General Catalogue of Trigonometric Stellar Parallaxes ^(es) ) PLX 707.00 (General Catalogue of Trigonometric Stellar Parallaxes ^(es) ) PMC 90-93 85 (Tokyo Photoelectric Meridian Circle Catalog ^(en) ) PPM 46127 (Catálogo de estrellas PPM ^(es) ) RAFGL 487 (The Revised AFGL (RAFGL) catalogue ^(en) ) ROT 464 (Catalogue of rotational velocities of the stars ^(en) ) TD1 2127 (TD1 Catalog of Stellar Ultraviolet Fluxes ^(en) ) TYC 3320-2808-1 (Tycho Catalogue ^(en) ) UBV 3256 (UBV Photoelectric Photometry Catalogue ^(en) ) uvby98 520200605 (uvbyβ Photoelectric Photometric Catalogue ^(en) ) WDS J03243+4952A (Catálogo de Estrellas Dobles Washington ^(es) ) WEB 3026 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue ^(en) ) 33 Per (Denominación de Flamsteed ^(es) ) TIC 252830952 (TESS Input Catalog ^(en) ) AG+49 396 (AGK3U ^(en) ) UBV M 40922 (UBV Photoelectric Photometry Catalogue ^(en) )

Mirfak

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