24 Ursae Majoris

24 Ursae Majoris
	estrella, near-IR source (en) y UV-emission source (en)
Datos d'observación
Ascensión reuta (α)	143,62024780327 °
Declinación (δ)	69,83034070608 °
Distancia a la Tierra	32,098 pc
Magnitú aparente (V)	4,57 (banda V)
Magnitú absoluta	2,05
Constelación	Sietestrellu
Desplazamientu al bermeyu	−9,0E−5
Velocidá de rotación	19 km/s
Velocidá radial	−27,07 km/s
Parallax	31,1546 mas
Carauterístiques físiques
Radiu	4,6 Radius solars
Masa	1,9 M☉
Gravedá superficial	3100 cm/s²
Tipu espectral	G5IV
Periodu de rotación	10 d
Otros nomes
	Ver llista SAO 6897 (Catálogu SAO); HD 82210 (Catálogu Henry Draper); HIP 46977 (Catálogu Hipparcos); HR 3771 (Bright Star Catalogue); IRAS 09300+7003 (IRAS (es) ); 2MASS J09342888+6949490 (2MASS (es) ); GSC 04376-02052 (Guide Star Catalog (es) ); GJ 355.1 (Catálogu Gliese); d UMa (Denominación de Bayer); 1ES 0930+70.0 (Einstein Slew survey, Version No. 1 (en) ); 1RXS J093428.7+694950 (1RXS (en) ); 2EUVE J0934+69.8 (The second Extreme Ultraviolet Explorer source catalog (en) ); BD+70 565 (Bonner Durchmusterung); EUVE J0934+69.8 (The first Extreme Ultraviolet Explorer source catalog (en) ); FK5 357 (FK5 (en) ); GC 13171 (Boss General Catalogue (es) ); GCRV 6179 (General Catalogue of Stellar Radial Velocities (es) ); HIC 46977 (Hipparcos Input Catalogue (en) ); IRC +70090 (Two-Micron Sky Survey (en) ); JP11 1821 (JP11 (en) ); N30 2270 (Catalog of 5,268 Standard Stars Based on the Normal System N30 (en) ); PLX 2261 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PLX 2261.00 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PMC 90-93 256 (Tokyo Photoelectric Meridian Circle Catalog (en) ); PPM 17105 (Catálogo de estrellas PPM (es) ); RAFGL 1360 (The Revised AFGL (RAFGL) catalogue (en) ); RBS 786 (ROSAT All-Sky Survey Bright Source Catalogue (en) ); ROT 1477 (Catalogue of rotational velocities of the stars (en) ); TD1 13990 (TD1 Catalog of Stellar Ultraviolet Fluxes (en) ); TYC 4376-2052-1 (Tycho Catalogue (en) ); UBV 9068 (UBV Photoelectric Photometry Catalogue (en) ); DK UMa (General Catalogue of Variable Stars); uvby98 100082210 (uvbyβ Photoelectric Photometric Catalogue (en) ); RX J0934.4+6950 (X-ray survey of the Large Magellanic Cloud by ROSAT (en) ); RX J0934.4+6949 (X-ray survey of the Large Magellanic Cloud by ROSAT (en) ); [ZEH2003] RX J0934.4+6949 1 (The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic latitude ROSAT Bright Source Catalogue X-ray sources (en) ); WEB 8855 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (en) ); Gaia DR2 1071133340038904320 (Gaia DR2 (es) ); 24 UMa (Denominación de Flamsteed (es) ); Gaia DR3 1071133340038904320 (Gaia DR3 (es) ); TIC 147562528 (TESS Input Catalog (en) ); AAVSO 0925+70 (AAVSO (en) ); AG+70 370 (AGK3U (en) ); UBV M 15461 (UBV Photoelectric Photometry Catalogue (en) );

24 Ursae Majoris (24 UMa / d Ursae Majoris / HD 82210)^[11] ye una estrella na constelación del sietestrellu de magnitú aparente +4,57. Alcuéntrase a 109 años lluz del Sistema Solar.

Coordenaes: 9^h 34^m 28.859^s, 69^° 49^′ 49.227^″

24 Ursae Majoris ye una xigante o subxigante mariella de tipu espectral G4III-IV con una temperatura efectivo de 5343 ± 33 K.^[12] Tien un radiu 4,6 vegaes más grande que'l radiu solar, lloñe del tamañu d'otres conocíes xigantes marielles como Capella A o B (α Aurigae), o Vindemiatrix (ε Virginis). Relluma con una lluminosidá 15 vegaes superior a la lluminosidá solar. La so masa ye aproximao un 81% mayor que la del Sol, siendo la so edá averada de 1410 millones d'años.^[13] Anque amuesa una metalicidá inferior a la del Sol, la so bayura relativa de fierro difier según la fonte consultada ente'l 50^[14] y el 60% del valor solar.^[13]

24 Ursae Majoris ye una estrella variable, catalogada como variable RS Canum Venaticorum, que recibe la denominación de DK Ursae Majoris. La variación de rellumu ye de namái 0,06 magnitúes,^[15] siendo'l so periodu de rotación de 10 díes.^[16]

Referencies

↑ ^1,0 ^1,1 ^1,2 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.
↑ 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.
↑ «The Evolutionary Status of GK Subgiants». The Astronomical Journal (5). 17 abril 2019. doi:10.3847/1538-3881/AB11C6.
↑ Afirmao en: Gaia DR2. Llingua de la obra o nome: inglés. Data d'espublización: 25 abril 2018.
↑ 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.
↑ Afirmao en: Gaia DR2. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 25 abril 2018.
↑ ^8,0 ^8,1 ^8,2 «The relation between X-ray activity and rotation in intermediate-mass G giants» (n'inglés). Astronomy and Astrophysics (2): páxs. 531–538. 25 payares 2005. doi:10.1051/0004-6361:20053567.
↑ «The lithium abundances of a large sample of red giants» (n'inglés). The Astrophysical Journal (2): páxs. 94. 31 marzu 2014. doi:10.1088/0004-637X/785/2/94.
↑ Nancy Roman (xunetu 1952). «The Spectra of the Bright Stars of Types F5-K5» (n'inglés). The Astrophysical Journal: páxs. 122–143. doi:10.1086/145598.
↑ V* DK UMa -- Variable Star (SIMBAD)
↑ Wu, Yue; Singh, H. P.; Prugniel, P.; Gupta, R.; Koleva, M. (2011). «Coudé-feed stellar spectral library - atmospheric parameters». Astronomy and Astrophysics 525. A71. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2011A%26A...525A..71W&db_key=AST&nosetcookie=1.
↑ ^13,0 ^13,1 Takeda, Y.; Sato, B.; Murata, D. (2008). «Stellar Parameters and Elemental Abundances of Late-G Giants». Publications of the Astronomical Society of Japan 60 (4). pp. 781 - 802. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008PASJ...60..781T&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). pp. 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.
↑ DK Ursae Majoris (General Catalogue of Variable Stars)
↑ Gondoin, P. (2005). «The relation between X-ray activity and rotation in intermediate-mass G giants». Astronomy and Astrophysics 444 (2). pp. 531-538. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2005A%26A...444..531G&db_key=AST&nosetcookie=1.

Coordenaes: 9^h 34^m 28.859^s, 69^° 49^′ 49.227^″

[8ba559d5760a03bedaaacc3c347bbfe4981560bf-1] 1,0 ^1,1 ^1,2 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.

[a1b1b6b07c06876959d87fc2f8c07203d5b512f3-3] 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.

[8d94500c904582571910102964d470fe0fb5a5e4-4] «The Evolutionary Status of GK Subgiants». The Astronomical Journal (5). 17 abril 2019. doi:10.3847/1538-3881/AB11C6.

[b64af6c056b6c5f6a7ea17156dcd718d4744bbf8-5] Afirmao en: Gaia DR2. Llingua de la obra o nome: inglés. Data d'espublización: 25 abril 2018.

[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.

[930587e73b5b66c983eb1a1b6178ebadc15ac870-7] Afirmao en: Gaia DR2. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 25 abril 2018.

[0bf9f6fea355b4c028c775ba7e4f78ee88f9e205-8] 8,0 ^8,1 ^8,2 «The relation between X-ray activity and rotation in intermediate-mass G giants» (n'inglés). Astronomy and Astrophysics (2): páxs. 531–538. 25 payares 2005. doi:10.1051/0004-6361:20053567.

[06241209cbb29fb31683f31da76898cb4ac978b7-9] «The lithium abundances of a large sample of red giants» (n'inglés). The Astrophysical Journal (2): páxs. 94. 31 marzu 2014. doi:10.1088/0004-637X/785/2/94.

[8cd6df648cdd694a6c3d5d56ef25b44c348dcd45-10] Nancy Roman (xunetu 1952). «The Spectra of the Bright Stars of Types F5-K5» (n'inglés). The Astrophysical Journal: páxs. 122–143. doi:10.1086/145598.

[SIMBAD-11] V* DK UMa -- Variable Star (SIMBAD)

[Wu-12] Wu, Yue; Singh, H. P.; Prugniel, P.; Gupta, R.; Koleva, M. (2011). «Coudé-feed stellar spectral library - atmospheric parameters». Astronomy and Astrophysics 525. A71. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2011A%26A...525A..71W&db_key=AST&nosetcookie=1.

[Takeda2008-13] 13,0 ^13,1 Takeda, Y.; Sato, B.; Murata, D. (2008). «Stellar Parameters and Elemental Abundances of Late-G Giants». Publications of the Astronomical Society of Japan 60 (4). pp. 781 - 802. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008PASJ...60..781T&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). pp. 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] DK Ursae Majoris (General Catalogue of Variable Stars)

[Gondoin-16] Gondoin, P. (2005). «The relation between X-ray activity and rotation in intermediate-mass G giants». Astronomy and Astrophysics 444 (2). pp. 531-538. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2005A%26A...444..531G&db_key=AST&nosetcookie=1.

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24 Ursae Majoris
estrella^[1], near-IR source ^(en) ^[1] y UV-emission source ^(en) ^[1]
Datos d'observación
Ascensión reuta (α)	143,62024780327 °^[2]
Declinación (δ)	69,83034070608 °^[2]
Distancia a la Tierra	32,098 pc
Magnitú aparente (V)	4,57 (banda V)
Magnitú absoluta	2,05^[4]
Constelación	Sietestrellu
Desplazamientu al bermeyu	−9,0E−5^[5]
Velocidá de rotación	19 km/s^[6]
Velocidá radial	−27,07 km/s^[7]
Parallax	31,1546 mas^[2]
Carauterístiques físiques
Radiu	4,6 Radius solars ^[8]
Masa	1,9 M☉^[8]
Gravedá superficial	3100 cm/s²^[9]
Tipu espectral	G5IV^[10]
Periodu de rotación	10 d^[8]
Otros nomes
Ver llista SAO 6897 (Catálogu SAO) HD 82210 (Catálogu Henry Draper) HIP 46977 (Catálogu Hipparcos) HR 3771 (Bright Star Catalogue) IRAS 09300+7003 (IRAS ^(es) ) 2MASS J09342888+6949490 (2MASS ^(es) ) GSC 04376-02052 (Guide Star Catalog ^(es) ) GJ 355.1 (Catálogu Gliese) d UMa (Denominación de Bayer) 1ES 0930+70.0 (Einstein Slew survey, Version No. 1 ^(en) ) 1RXS J093428.7+694950 (1RXS ^(en) ) 2EUVE J0934+69.8 (The second Extreme Ultraviolet Explorer source catalog ^(en) ) BD+70 565 (Bonner Durchmusterung) EUVE J0934+69.8 (The first Extreme Ultraviolet Explorer source catalog ^(en) ) FK5 357 (FK5 ^(en) ) GC 13171 (Boss General Catalogue ^(es) ) GCRV 6179 (General Catalogue of Stellar Radial Velocities ^(es) ) HIC 46977 (Hipparcos Input Catalogue ^(en) ) IRC +70090 (Two-Micron Sky Survey ^(en) ) JP11 1821 (JP11 ^(en) ) N30 2270 (Catalog of 5,268 Standard Stars Based on the Normal System N30 ^(en) ) PLX 2261 (General Catalogue of Trigonometric Stellar Parallaxes ^(es) ) PLX 2261.00 (General Catalogue of Trigonometric Stellar Parallaxes ^(es) ) PMC 90-93 256 (Tokyo Photoelectric Meridian Circle Catalog ^(en) ) PPM 17105 (Catálogo de estrellas PPM ^(es) ) RAFGL 1360 (The Revised AFGL (RAFGL) catalogue ^(en) ) RBS 786 (ROSAT All-Sky Survey Bright Source Catalogue ^(en) ) ROT 1477 (Catalogue of rotational velocities of the stars ^(en) ) TD1 13990 (TD1 Catalog of Stellar Ultraviolet Fluxes ^(en) ) TYC 4376-2052-1 (Tycho Catalogue ^(en) ) UBV 9068 (UBV Photoelectric Photometry Catalogue ^(en) ) DK UMa (General Catalogue of Variable Stars) uvby98 100082210 (uvbyβ Photoelectric Photometric Catalogue ^(en) ) RX J0934.4+6950 (X-ray survey of the Large Magellanic Cloud by ROSAT ^(en) ) RX J0934.4+6949 (X-ray survey of the Large Magellanic Cloud by ROSAT ^(en) ) [ZEH2003] RX J0934.4+6949 1 (The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic latitude ROSAT Bright Source Catalogue X-ray sources ^(en) ) WEB 8855 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue ^(en) ) Gaia DR2 1071133340038904320 (Gaia DR2 ^(es) ) 24 UMa (Denominación de Flamsteed ^(es) ) Gaia DR3 1071133340038904320 (Gaia DR3 ^(es) ) TIC 147562528 (TESS Input Catalog ^(en) ) AAVSO 0925+70 (AAVSO ^(en) ) AG+70 370 (AGK3U ^(en) ) UBV M 15461 (UBV Photoelectric Photometry Catalogue ^(en) )