HD 183552

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HD 183552
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Telescopium
Right ascension 19h 32m 53.82390s[1]
Declination −53° 11′ 08.2148″[1]
Apparent magnitude (V) 5.74±0.01[2]
Characteristics
Evolutionary stage main sequence[1]
Spectral type kA6 hF2 mF2 (II)[3]
U−B color index +0.19[4]
B−V color index +0.30[4]
Astrometry
Radial velocity (Rv)14.00±13.8[5] km/s
Proper motion (μ) RA: +36.270 mas/yr[1]
Dec.: −7.392 mas/yr[1]
Parallax (π)9.6769 ± 0.1128 mas[1]
Distance337 ± 4 ly
(103 ± 1 pc)
Absolute magnitude (MV)+0.45[6]
Details
Mass1.68±0.29[7] M☉
Radius4.7[8] R☉
Luminosity45[9] L☉
Surface gravity (log g)3.26[10] cgs
Temperature7,317±282[11] K
Age733±8[1] Myr
Other designations
62 G. Telescopium[12], CPD−53°9585, GC 26959, HD 183552, HIP 96141, HR 7411, SAO 246151[13]
Database references
SIMBADdata

HD 183552, also known as HR 7411, is a probable spectroscopic binary[14] located in the southern constellation Telescopium. The system has a combined apparent magnitude of 5.74,[2] allowing it to be faintly visible to the naked eye. Based on parallax measurements from the Gaia spacecraft, it is estimated to be 337 light years distant.[1] The value is horribly constrained, but it appears to receding with a radial velocity of 14 km/s.[5]

This object is an Am star with a spectral classification of kA6hF2mF2 (II),[3] an evolved F-type star having the calcium K-line of an A6 star plus the hydrogen and metallic lines of an F2 star. Its current mass is 1.68 M☉[7] and is estimated to be 733 million years old,[1] having completed 83.1% of its main sequence lifetime. It has expanded to 4.7 times the radius of the Sun[8] and now radiates 45 times the luminosity of the Sun[9] from its photosphere at an effective temperature of 7,317 K.[11]

References

  1. ^ a b c d e f g h Vallenari, A.; et al. (Gaia Collaboration) (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. arXiv:2208.00211. doi:10.1051/0004-6361/202243940. Gaia DR3 record for this source at VizieR.
  2. ^ 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.
  3. ^ a b Jaschek, Mercedes; Jaschek, Carlos (December 1960). "Southern Stars with Abnormal Spectra". Publications of the Astronomical Society of the Pacific. 72 (429): 500. Bibcode:1960PASP...72..500J. doi:10.1086/127590. eISSN 1538-3873. ISSN 0004-6280.
  4. ^ a b Feinstein, A. (November 1974). "Photoelectric UBVRI observations of AM stars". The Astronomical Journal. 79: 1290. Bibcode:1974AJ.....79.1290F. doi:10.1086/111675. ISSN 0004-6256.
  5. ^ a b Kharchenko, N.V.; Scholz, R.-D.; Piskunov, A.E.; Röser, S.; Schilbach, E. (November 2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten. 328 (9): 889–896. arXiv:0705.0878. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776. eISSN 1521-3994. ISSN 0004-6337. S2CID 119323941.
  6. ^ 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. eISSN 1562-6873. ISSN 1063-7737. S2CID 119257644.
  7. ^ a b 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. eISSN 1538-3881.
  8. ^ a b Chandler, Colin Orion; McDonald, Iain; Kane, Stephen R. (17 February 2016). "The Catalog of Earth-Like Exoplanet Survey Targets (CELESTA): A Database of Habitable Zones Around Nearby Stars". The Astronomical Journal. 151 (3): 59. arXiv:1510.05666. Bibcode:2016AJ....151...59C. doi:10.3847/0004-6256/151/3/59. eISSN 1538-3881.
  9. ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  10. ^ McDonald, I.; Zijlstra, A. A.; Watson, R. A. (15 June 2017). "Fundamental parameters and infrared excesses of Tycho–Gaia stars". Monthly Notices of the Royal Astronomical Society. 471 (1): 770–791. arXiv:1706.02208. Bibcode:2017MNRAS.471..770M. doi:10.1093/mnras/stx1433. eISSN 1365-2966. ISSN 0035-8711.
  11. ^ a b Bai, Yu; Liu, JiFeng; Bai, ZhongRui; Wang, Song; Fan, DongWei (2 August 2019). "Machine-learning Regression of Stellar Effective Temperatures in the Second Gaia Data Release". The Astronomical Journal. 158 (2): 93. arXiv:1906.09695. Bibcode:2019AJ....158...93B. doi:10.3847/1538-3881/ab3048. eISSN 1538-3881.
  12. ^ 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.
  13. ^ "HD 167714". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved September 14, 2022.
  14. ^ Eggleton, P. P.; Tokovinin, A. A. (11 September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. eISSN 1365-2966. ISSN 0035-8711.
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