High proper motion star
HD 194953 (HR 7824 ) is a solitary star in the equatorial constellation Delphinus . It is faintly visible to the naked eye with an apparent magnitude of 6.19[ 2] light years away.[ 1] Solar System with a heliocentric radial velocity of km/s [ 5]
HD 194953 has a stellar classification of G8 III/IV[ 3] luminosity class of a subgiant and giant . It has 2.38 times the mass of the Sun [ 7] radius of R ☉ [ 8] million years .[ 7] luminosity of the Sun [ 9] photosphere at an effective temperature of K [ 8] iron abundance 78% that of the Sun [ 10] projected rotational velocity of about km/s [ 11]
References
^ a b c d e Brown, A. G. A. ; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties" . Astronomy & Astrophysics 649 : A1. arXiv :2012.01533 Bibcode :2021A&A...649A...1G . doi :10.1051/0004-6361/202039657 S2CID 227254300 . (Erratum: doi :10.1051/0004-6361/202039657e ) . Gaia EDR3 record for this source at VizieR .^ a b Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (March 2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics . 355 : L27 – L30 . Bibcode :2000A&A...355L..27H . ISSN 0004-6361 . ^ a b Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey . 05 : 0. Bibcode :1999MSS...C05....0H . ^ a b Cousins, A. W. J. (16 November 1964). "Photometric Data for Stars in the Equatorial Zone (Seventh List)". Monthly Notes of the Astronomical Society of South Africa . 23 : 175. Bibcode :1964MNSSA..23..175C . ISSN 0024-8266 . ^ a b Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters . 32 (11): 759– 771. arXiv :1606.08053 Bibcode :2006AstL...32..759G . doi :10.1134/S1063773706110065 . ISSN 1063-7737 . S2CID 119231169 . ^ Anderson, E.; Francis, Ch. (May 2012). "XHIP: An extended hipparcos compilation". Astronomy Letters . 38 (5): 331– 346. arXiv :1108.4971 Bibcode :2012AstL...38..331A . doi :10.1134/S1063773712050015 . ISSN 1063-7737 . S2CID 119257644 . ^ a b c d Bertelli, G.; Bressan, A.; Chiosi, C.; Fagotto, F.; Nasi, E. (August 1994). "Theoretical isochrones from models with new radiative opacities". Astronomy and Astrophysics Supplement Series . 106 : 275– 302. Bibcode :1994A&AS..106..275B . ISSN 0365-0138 . ^ a b c d Stassun, Keivan G.; et al. (9 September 2019). "The Revised TESS Input Catalog and Candidate Target List" . The Astronomical Journal . 158 (4): 138. arXiv :1905.10694 Bibcode :2019AJ....158..138S . doi :10.3847/1538-3881/ab3467 ISSN 0004-6256 . ^ a b Luck, R. Earle (25 August 2015). "Abundances in the Local Region. I. G and K Giants". The Astronomical Journal . 150 (3): 88. arXiv :1507.01466 Bibcode :2015AJ....150...88L . doi :10.1088/0004-6256/150/3/88 . eISSN 1538-3881 . ISSN 0004-6256 . S2CID 118505114 . ^ a b c Liu, Y. J.; Tan, K. F.; Wang, L.; Zhao, G.; Sato, Bun'ei; Takeda, Y.; Li, H. N. (31 March 2014). "The Lithium Abundances of a Large Sample of Red Giants" . The Astrophysical Journal . 785 (2): 94. arXiv :1404.1687 Bibcode :2014ApJ...785...94L . doi :10.1088/0004-637X/785/2/94 eISSN 1538-4357 . ISSN 0004-637X . ^ a b de Medeiros, J. R.; Mayor, M. (November 1999). "A catalog of rotational and radial velocities for evolved stars" . Astronomy and Astrophysics Supplement Series . 139 (3): 433– 460. Bibcode :1999A&AS..139..433D . doi :10.1051/aas:1999401 ISSN 0365-0138 . ^ "HR 7824" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved June 21, 2022 .^ Gould, Benjamin Apthorp (1878). "Uranometria Argentina : brillantez y posicion de las estrellas fijas, hasta la septima magnitud, comprendidas dentro de cien grados del polo austral : con atlas". Resultados del Observatorio Nacional Argentino . 1 . Bibcode :1879RNAO....1.....G .
