V398 Aurigae

V398 Aurigae
	estrella de secuencia principal tipo F (es) , Estrella múltiple, estrella variable, Estrella variable Gamma Doradus (es) , estrella con movimiento propio alto (es) y near-IR source (en)
Datos d'observación
Ascensión reuta (α)	76,66929418037 °
Declinación (δ)	51,59772194409 °
Distancia a la Tierra	26,987 pc
Magnitú aparente (V)	4,975 (banda V)
Magnitú absoluta	2,88
Constelación	Auriga
Velocidá de rotación	16,4 km/s
Velocidá radial	−7,4 km/s
Parallax	37,0551 mas
Carauterístiques físiques
Radiu	1,56 Radius solars
Masa	1,97 M☉
Gravedá superficial	4000 cm/s²
Tipu espectral	F2V
Otros nomes
	Ver llista 9 Aur (Denominación de Flamsteed (es) ); 2MASS J05064067+5135519 (2MASS (es) ); GSC 03357-02332 (Guide Star Catalog (es) ); HD 32537 (Catálogu Henry Draper); HIP 23783 (Catálogu Hipparcos); HR 1637 (Bright Star Catalogue); SAO 25019 (Catálogu SAO); IRAS 05027+5131 (IRAS (es) ); GJ 187.2 A (Catálogu Gliese); GJ 9174 (Catálogu Gliese); 1RXS J050639.1+513607 (1RXS (en) ); ASCC 245210 (All-sky Compiled Catalogue (en) ); BD+51 1024 (Bonner Durchmusterung); GC 6219 (Boss General Catalogue (es) ); GCRV 3015 (General Catalogue of Stellar Radial Velocities (es) ); GJ 187.2 (Catálogu Gliese); HIC 23783 (Hipparcos Input Catalogue (en) ); JP11 972 (JP11 (en) ); LSPM J0506+5135 (LSPM-NORTH catalog (en) ); PLX 1137 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PLX 1137.00 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PPM 29613 (Catálogo de estrellas PPM (es) ); ROT 714 (Catalogue of rotational velocities of the stars (en) ); TD1 3940 (TD1 Catalog of Stellar Ultraviolet Fluxes (en) ); UBV 4871 (UBV Photoelectric Photometry Catalogue (en) ); uvby98 100032537 (uvbyβ Photoelectric Photometric Catalogue (en) ); V398 Aur (General Catalogue of Variable Stars); YZ 51 2081 (Yale Observatory Zone Catalog (en) ); YPAC 366 (Yunnan Photoelectric Astrolabe Catalogue (en) ); ADS 3675 A (Aitken Double Star Catalogue (en) ); CCDM J05067+5136A (Catalog of Components of Double and Multiple Stars (en) ); GJ 9174 A (Catálogu Gliese); HD 32537A (Catálogu Henry Draper); IDS 04588+5128 A (Index Catalogue of Visual Double Stars (en) ); WDS J05067+5136A (Catálogo de Estrellas Dobles Washington (es) ); Gaia DR2 265722999473092608 (Gaia DR2 (es) ); PMSC 04588+5127A (MSC - a catalogue of physical multiple stars); PMSC 04588+5127Aab (MSC - a catalogue of physical multiple stars); SBC9 295 (Eighth catalogue of the orbital elements of spectroscopic binary systems (en) ); SBC7 204 (Seventh catalogue of the orbital elements of spectroscopic binary systems (en) ); WEB 4640 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (en) ); TIC 327701133 (TESS Input Catalog (en) ); Gaia DR3 265722999474087424 (Gaia DR3 (es) ); AAVSO 0458+51 (AAVSO (en) ); AG+51 459 (AGK3U (en) ); TYC 3357-758-1 (Tycho Catalogue (en) ); TYC 3357-2332-1 (Tycho Catalogue (en) );

Coordenaes: 5^h 6^m 40.631^s, 51^° 35^′ 51.799^″

V398 Aurigae (V398 Aur / 9 Aurigae / HD 32537 / GJ 9174 A)^[10] ye un sistema estelar na constelación d'Auriga de magnitú aparente +4,98. Alcuéntrase a 86 años lluz de distancia del Sistema Solar.

V398 Aurigae ye una estrella de la secuencia principal de tipu F0V^[10] asemeyáu a les componentes de la binaria Porrima (γ Virginis). Tien una temperatura efectivo de 7030 K^[11] y relluma con una lluminosidá 5,4 vegaes mayor que la lluminosidá solar. El so radiu ye un 60% más grande que'l radiu solar^[12] y xira sobre sigo mesma con una velocidá de rotación proyeutada de 16,4 km/s.^[13] Amuesa una metalicidá comparable a la solar ([Fe/H] = -0,06). La so masa averada ye un 38% mayor que la del Sol y la so edá envalórase en 1700 millones d'años.^[14] Ye una variable Gamma Doradus, una de les más brilloses d'esta clase, con un periodu de 1,2582 díes.^[12]

A 5,2 segundos d'arcu de V398 Aurigae puede reparase una estrella de magnitú aparente +12,2. Denominada GJ 9174 B,^[15] ye una nana colorada de tipu M2V que la so separación proyeutada con V398 Aurigae ye de más de 137 UA. El so periodu orbital supera los 1100 años.^[16] Una tercer estrella, visualmente a 90,1 segundos d'arcu de V398 Aurigae, completa'l sistema estelar. Ye una nana naranxa de de tipu K5V que recibe'l nome de GJ 9174 C^[17] y que la so magnitú ye +9,4.^[18]

Referencies

↑ Peter Philip Eggleton (setiembre 2008). «A catalogue of multiplicity among bright stellar systems» (n'inglés). Monthly Notices of the Royal Astronomical Society (2): páxs. 869–879. doi:10.1111/J.1365-2966.2008.13596.X.
↑ ^2,0 ^2,1 Afirmao en: General Catalogue of Variable Stars.
↑ ^3,0 ^3,1 Afirmao en: SIMBAD.
↑ ^4,0 ^4,1 ^4,2 ^4,3 Afirmao en: Gaia EDR3. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 3 avientu 2020.
↑ Sitiu web oficial: http://simbad.u-strasbg.fr/simbad/.
↑ «Ca II HK emission in rapidly rotating stars» (n'inglés). Astronomy and Astrophysics (3): páxs. 1099–1107. xineru 2009. doi:10.1051/0004-6361:200810377.
↑ «Calibrating the metallicity of M dwarfs in wide physical binaries with F-, G-, and K-primaries - I: High-resolution spectroscopy with HERMES: stellar parameters, abundances, and kinematics» (n'inglés). Monthly Notices of the Royal Astronomical Society: páxs. 1332–1382. 2018. doi:10.1093/MNRAS/STY1295.
↑ Marwan Gebran (mayu 2016). «A new method for the inversion of atmospheric parameters of A/Am stars» (n'inglés). Astronomy and Astrophysics. doi:10.1051/0004-6361/201528052.
↑ Christopher J. Corbally (ochobre 2003). «Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I» (n'inglés). The Astronomical Journal (4): páxs. 2048–2059. doi:10.1086/378365.
↑ ^10,0 ^10,1 V398 Aurigae -- Variable Star of gamma Dor type (SIMBAD)
↑ Gerbaldi, M.; Faraggiana, R.; Caffau, E. (2007). «UV flux distributions of γ Doradus stars». Astronomy and Astrophysics 472 (1). páxs. 241-246. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2007A%26A...472..241G&db_key=AST&nosetcookie=1.
↑ ^12,0 ^12,1 Henry, Gregory W.; Fekel, Francis C.; Henry, Stephen M. (2007). «Photometry and Spectroscopy of 11 γ Doradus Stars». The Astronomical Journal 133 (4). páxs. 1421-1440. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2007AJ....133.1421H&db_key=AST&nosetcookie=1.
↑ Schröder, C.; Reiners, A.; Schmitt, J. H. M. M. (2009). «Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo». Astronomy and Astrophysics 493 (3). páxs. 1099-1107. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2009A&A...493.1099S&db_key=AST&nosetcookie=1.
↑ Holmberg, J.; Nordström, B.; Andersen, J. (2009). «The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics». Astronomy and Astrophysics 501 (3). páxs. 941-947 (Tabla consultada en CDS). http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2009A%26A...501..941H&db_key=AST&nosetcookie=1.
↑ GJ 9174 B (SIMBAD)
↑ Tokovinin, A. (2008). «Comparative statistics and origin of triple and quadruple stars». Monthly Notices of the Royal Astronomical Society 389 (2). páxs. 925-938. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008MNRAS.389..925T&db_key=AST&nosetcookie=1.
↑ GJ 9174 C (SIMBAD)
↑ Eggleton, P. P.; Tokovinin, A. A. (2008). «A catalogue of multiplicity among bright stellar systems». Monthly Notices of the Royal Astronomical Society 389 (2). páxs. 869-879. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008MNRAS.389..869Y&db_key=AST&nosetcookie=1.

Coordenaes: 5^h 6^m 40.631^s, 51^° 35^′ 51.799^″

[7e77b58f7b385a1d1f61419ba71ebae11bad6afa-1] Peter Philip Eggleton (setiembre 2008). «A catalogue of multiplicity among bright stellar systems» (n'inglés). Monthly Notices of the Royal Astronomical Society (2): páxs. 869–879. doi:10.1111/J.1365-2966.2008.13596.X.

[b2ad9017671982757d0f49921afa6c148c9cb871-2] 2,0 ^2,1 Afirmao en: General Catalogue of Variable Stars.

[8ba559d5760a03bedaaacc3c347bbfe4981560bf-3] 3,0 ^3,1 Afirmao en: SIMBAD.

[88f46fab9cce60c7e274ff942763157775017282-4] 4,0 ^4,1 ^4,2 ^4,3 Afirmao en: Gaia EDR3. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 3 avientu 2020.

[c2e73959dc435da95a2859e295c484695768c392-5] Sitiu web oficial: http://simbad.u-strasbg.fr/simbad/.

[034a7f0e2ae9421d554d4152e3503eb3dc64cdc2-6] «Ca II HK emission in rapidly rotating stars» (n'inglés). Astronomy and Astrophysics (3): páxs. 1099–1107. xineru 2009. doi:10.1051/0004-6361:200810377.

[c9ebefff54c76aaa1bd8cdd51c36c9b0acc1e8c2-7] «Calibrating the metallicity of M dwarfs in wide physical binaries with F-, G-, and K-primaries - I: High-resolution spectroscopy with HERMES: stellar parameters, abundances, and kinematics» (n'inglés). Monthly Notices of the Royal Astronomical Society: páxs. 1332–1382. 2018. doi:10.1093/MNRAS/STY1295.

[6aa7baa83dc3183fe1203d7c16d392ef3d42e3c9-8] Marwan Gebran (mayu 2016). «A new method for the inversion of atmospheric parameters of A/Am stars» (n'inglés). Astronomy and Astrophysics. doi:10.1051/0004-6361/201528052.

[99376777ed08f03277fd2305e1e490f7764e49c3-9] Christopher J. Corbally (ochobre 2003). «Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I» (n'inglés). The Astronomical Journal (4): páxs. 2048–2059. doi:10.1086/378365.

[SIMBAD-10] 10,0 ^10,1 V398 Aurigae -- Variable Star of gamma Dor type (SIMBAD)

[Geribaldi-11] Gerbaldi, M.; Faraggiana, R.; Caffau, E. (2007). «UV flux distributions of γ Doradus stars». Astronomy and Astrophysics 472 (1). páxs. 241-246. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2007A%26A...472..241G&db_key=AST&nosetcookie=1.

[Henry11GDor-12] 12,0 ^12,1 Henry, Gregory W.; Fekel, Francis C.; Henry, Stephen M. (2007). «Photometry and Spectroscopy of 11 γ Doradus Stars». The Astronomical Journal 133 (4). páxs. 1421-1440. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2007AJ....133.1421H&db_key=AST&nosetcookie=1.

[Schroder-13] Schröder, C.; Reiners, A.; Schmitt, J. H. M. M. (2009). «Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo». Astronomy and Astrophysics 493 (3). páxs. 1099-1107. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2009A&A...493.1099S&db_key=AST&nosetcookie=1.

[Geneva2009-14] Holmberg, J.; Nordström, B.; Andersen, J. (2009). «The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics». Astronomy and Astrophysics 501 (3). páxs. 941-947 (Tabla consultada en CDS). http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2009A%26A...501..941H&db_key=AST&nosetcookie=1.

[15] GJ 9174 B (SIMBAD)

[Tokovinin-16] Tokovinin, A. (2008). «Comparative statistics and origin of triple and quadruple stars». Monthly Notices of the Royal Astronomical Society 389 (2). páxs. 925-938. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008MNRAS.389..925T&db_key=AST&nosetcookie=1.

[17] GJ 9174 C (SIMBAD)

[Eggleton-18] Eggleton, P. P.; Tokovinin, A. A. (2008). «A catalogue of multiplicity among bright stellar systems». Monthly Notices of the Royal Astronomical Society 389 (2). páxs. 869-879. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008MNRAS.389..869Y&db_key=AST&nosetcookie=1.

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