Gliese 393

Gliese 393
	Nana colorada, rotating variable star (en) y estrella con movimiento propio alto (es)
Parte de	Asociación estelar de AB Doradus (es) , Pleiades Moving Group y Local Association B4 Subgroup
Datos d'observación
Ascensión reuta (α)	157,2314636793 °
Declinación (δ)	0,84099969571556 °
Distancia a la Tierra	7,0375 pc
Magnitú aparente (V)	9,65 (banda V)
Constelación	Sextans
Velocidá de rotación	9,08 km/s
Velocidá radial	7,43 km/s
Parallax	142,0951 mas
Carauterístiques físiques
Radiu	0,426 Radius solars
Masa	0,426 M☉
Gravedá superficial	70 000 cm/s²
Tipu espectral	dM2
Otros nomes
	Ver llista LHS 2272 (Luyten Half-Second catalogue (en) ); ASAS J102856+0050.5 (All Sky Automated Survey (en) ); ASCC 1133482 (All-sky Compiled Catalogue (en) ); GCRV 6576 (General Catalogue of Stellar Radial Velocities (es) ); GJ 393 (Catálogu Gliese); GSC 00246-01068 (Guide Star Catalog (es) ); HIC 51317 (Hipparcos Input Catalogue (en) ); HIP 51317 (Catálogu Hipparcos); JP11 7 (JP11 (en) ); LFT 719 (Luyten Five-Tenths catalogue (en) ); LSPM J1028+0050 (LSPM-NORTH catalog (en) ); LTT 12805 (Luyten Two-Tenths catalogue (en) ); 2MASS J10285555+0050275 (2MASS (es) ); NLTT 24467 (New Luyten Two-Tenths catalogue (en) ); PLX 2456 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PLX 2456.00 (General Catalogue of Trigonometric Stellar Parallaxes (es) ); PPM 156874 (Catálogo de estrellas PPM (es) ); 1RXS J102855.9+005023 (1RXS (en) ); UBV 9694 (UBV Photoelectric Photometry Catalogue (en) ); UBV 9672 (UBV Photoelectric Photometry Catalogue (en) ); UCAC2 32036240 (Second USNO CCD Astrograph Catalog (en) ); UCAC4 455-050081 (Fourth USNO CCD Astrograph Catalog (en) ); Zkh 142 (Catálogo Zakhozhaj (es) ); AG+01 1298 (AGK3U (en) ); BD+01 2447 (Bonner Durchmusterung); Ci 20 580 (Catalogue of proper motion stars (en) ); [ATZ98] C060 (Identification of a complete sample of northern ROSAT all-sky survey X-ray sources. III. The catalog (en) ); RX J1028.9+0050 (X-ray survey of the Large Magellanic Cloud by ROSAT (en) ); PM J10289+0050 (Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more (en) ); WEB 9373 (Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (en) ); Gaia DR2 3855208897392952192 (Gaia DR2 (es) ); Gaia DR3 3855208897392952192 (Gaia DR3 (es) ); Karmn J10289+008 (CARMENES input catalogue of M dwarfs. I. Low-resolution spectroscopy with CAFOS (en) ); TIC 277888583 (TESS Input Catalog (en) ); TYC 246-1068-1 (Tycho Catalogue (en) ); UBV M 156 (UBV Photoelectric Photometry Catalogue (en) );

Coordenaes: 10^h 28^m 55.551^s, 0^° 50^′ 27.599^″

Gliese 393 (GJ 393 / HIP 51317 / Ross 446)^[9] ye una estrella de magnitú aparente +9,63. Alcuéntrase na constelación de Sextans (el sestante) a pocu menos d'un grau al norte del ecuador celeste. Falta 23,6 años lluz del Sistema Solar y les estrelles más cercanes a ella son Gliese 382 y EE Leonis, asitiaes respeutivamente a 3,26 y 3,43 años lluz de distancia.^[10]

Gliese 393 ye una nana colorada de tipu espectral M2.5V. Tien una temperatura efectivo de 3403 K y una masa equivalente al 47% de la masa del Sol,^[11] rellumando con una lluminosidá bolométrica igual al 5,0% de la lluminosidá solar. La midida del so diámetru angular —0,607 milisegundos d'arcu—^[12] dexa calcular el so diámetru real, daqué inferior a la metá del que tien el Sol. Xira sobre sigo mesma con una velocidá de rotación inferior a 1,1 km/s. Exhibe una metalicidá —bayura relativa d'elementos más pesaos que'l heliu— inferior a la solar ([Fe/H] = -0,12).^[11]

Gliese 393 ye una estrella nueva con una edá averada de 70 millones d'años y ye miembru de l'Asociación estelar de AB Doradus.^[13]

Referencies

↑ URL de la referencia: https://webserv.caha.es/news/releases-mainmenu-163/carmenes-discovers-two-planetary-systems-made-of-super-earths.
↑ Brett M. Morris (16 abril 2020). «A Relationship between Stellar Age and Spot Coverage». The Astrophysical Journal (1): páxs. 67. doi:10.3847/1538-4357/AB79A0.
1 2 3 4 5 Afirmao en: SIMBAD.
1 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: Gaia DR2. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 25 abril 2018.
1 2 Francisco J. Pozuelos (31 mayu 2021). «The CARMENES search for exoplanets around M dwarfs. Two terrestrial planets orbiting G264-012 and one terrestrial planet orbiting Gl 393». Astronomy and Astrophysics. doi:10.1051/0004-6361/202140633.
↑ 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.
↑ «Radii of 88 M Subdwarfs and Updated Radius Relations for Low-metallicity M-dwarf Stars» (n'inglés). The Astronomical Journal (2). febreru 2019. doi:10.3847/1538-3881/AAE982.
↑ LHS 2272 - High proper-motion Star (SIMBAD)
↑ Stars within 15 light-years of Bonner Durchmusterung +1°2447. The Internet Stellar Database
1 2 Jenkins, J. S.; Ramsey, L. W.; Jones, H. R. A.; Pavlenko, Y.; Gallardo, J.; Barnes, J. R.; Pinfield, D. J. (2009). «Rotational Velocities for M Dwarfs». The Astrophysical Journal 704 (2). páxs. 975-988. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2009ApJ...704..975J&db_key=AST&nosetcookie=1.
↑ Casagrande, Luca; Flynn, Chris; Bessell, Michael (2008). «M dwarfs: effective temperatures, radii and metallicities». Monthly Notices of the Royal Astronomical Society 389 (2). páxs. 585-607. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008MNRAS.389..585C&db_key=AST&nosetcookie=1.
↑ Nielsen, Eric L.; Close, Laird M. (2009). «A Uniform Analysis of 118 Stars with High-contrast Imaging: Long-period Estrasolar Giant Planets are Rare Around Sun-like Stars». The Astrophysical Journal 717 (2). páxs. 878-896. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2010ApJ...717..878N&db_key=AST&nosetcookie=1.

Coordenaes: 10^h 28^m 55.551^s, 0^° 50^′ 27.599^″

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.

[743dc255a2c723e367d9146c8449cb9720080498-1] URL de la referencia: https://webserv.caha.es/news/releases-mainmenu-163/carmenes-discovers-two-planetary-systems-made-of-super-earths.

[615c5cf8bd6b77394f8d511f0c217420e42293f0-2] Brett M. Morris (16 abril 2020). «A Relationship between Stellar Age and Spot Coverage». The Astrophysical Journal (1): páxs. 67. doi:10.3847/1538-4357/AB79A0.

[8ba559d5760a03bedaaacc3c347bbfe4981560bf-3] 1 2 3 4 5 Afirmao en: SIMBAD.

[88f46fab9cce60c7e274ff942763157775017282-4] 1 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.

[930587e73b5b66c983eb1a1b6178ebadc15ac870-5] Afirmao en: Gaia DR2. Stated in source according to: SIMBAD. Llingua de la obra o nome: inglés. Data d'espublización: 25 abril 2018.

[a2a8f39bcda774cbd4a157172d545ac119c2419e-6] 1 2 Francisco J. Pozuelos (31 mayu 2021). «The CARMENES search for exoplanets around M dwarfs. Two terrestrial planets orbiting G264-012 and one terrestrial planet orbiting Gl 393». Astronomy and Astrophysics. doi:10.1051/0004-6361/202140633.

[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.

[c31fde9189292b655c88eea948a7dd7d29d65a61-8] «Radii of 88 M Subdwarfs and Updated Radius Relations for Low-metallicity M-dwarf Stars» (n'inglés). The Astronomical Journal (2). febreru 2019. doi:10.3847/1538-3881/AAE982.

[SIMBAD-9] LHS 2272 - High proper-motion Star (SIMBAD)

[10] Stars within 15 light-years of Bonner Durchmusterung +1°2447. The Internet Stellar Database

[Jenkins-11] 1 2 Jenkins, J. S.; Ramsey, L. W.; Jones, H. R. A.; Pavlenko, Y.; Gallardo, J.; Barnes, J. R.; Pinfield, D. J. (2009). «Rotational Velocities for M Dwarfs». The Astrophysical Journal 704 (2). páxs. 975-988. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2009ApJ...704..975J&db_key=AST&nosetcookie=1.

[CG-12] Casagrande, Luca; Flynn, Chris; Bessell, Michael (2008). «M dwarfs: effective temperatures, radii and metallicities». Monthly Notices of the Royal Astronomical Society 389 (2). páxs. 585-607. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008MNRAS.389..585C&db_key=AST&nosetcookie=1.

[Nielsen-13] Nielsen, Eric L.; Close, Laird M. (2009). «A Uniform Analysis of 118 Stars with High-contrast Imaging: Long-period Estrasolar Giant Planets are Rare Around Sun-like Stars». The Astrophysical Journal 717 (2). páxs. 878-896. http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2010ApJ...717..878N&db_key=AST&nosetcookie=1.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]