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Iota1 Fornacis

From Wikipedia, the free encyclopedia

For other stars with the similar Bayer designation, see Iota Fornacis.
Iota1 Fornacis
Observation data
Epoch J2000      Equinox J2000
Constellation Fornax
Right ascension 02h 36m 09.3s[1]
Declination −30° 02′ 41.9″[1]
Apparent magnitude (V) 5.729[1]
Characteristics
Evolutionary stage giant
Spectral type G8/K0III[1][2]
Variable type microvariable[3]
Astrometry
Radial velocity (Rv)3.44±0.12[4] km/s
Proper motion (μ) RA: −17.457 mas/yr[4]
Dec.: −6.236 mas/yr[4]
Parallax (π)5.0717 ± 0.0459 mas[4]
Distance643 ± 6 ly
(197 ± 2 pc)[4]
Details[5]
Radius20.712 R☉
Luminosity207 L☉
Temperature4,816 K
Other designations
Iota1 For, CD−30 958, HD 16307, HIP 12122, HR 767, SAO 193795, PPM 278116, TIC 122541607, TYC 7011-475-1, IRAS 02340-3015, 2MASS J02360927-3002418
Database references
SIMBADdata

Iota1 Fornacis is a single[2] sixth-magnitude star in the constellation Fornax. It has a spectrum of G8/K0III,[1] matching a G/K-type giant. Parallax measurements imply a distance of 197 parsecs (640 ly), and it is drifting further away at a speed of 3.44 km/s.[4]

This star is microvariable, varying by 0.0006 magnitudes at Hipparcos wavelengths.[3]

References

  1. ^ a b c d e "Iota1 Fornacis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2024-06-15.
  2. ^ a b Eggleton, P. P.; Tokovinin, A. A. (2008-09-01). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389: 869–879. arXiv:0806.2878. doi:10.1111/j.1365-2966.2008.13596.x. ISSN 0035-8711. Iota1 Fornacis' database entry at VizieR.
  3. ^ a b Adelman, S. J. (2001-02-01). "Research Note Hipparcos photometry: The least variable stars". Astronomy and Astrophysics. 367: 297–298. doi:10.1051/0004-6361:20000567. ISSN 0004-6361. Iota1 Fornacis' database entry at VizieR.
  4. ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  5. ^ McDonald, I.; Zijlstra, A. A.; Watson, R. A. (2017-10-01), "Fundamental parameters and infrared excesses of Tycho-Gaia stars", Monthly Notices of the Royal Astronomical Society, 471: 770–791, arXiv:1706.02208, doi:10.1093/mnras/stx1433, ISSN 0035-8711 Iota1 Fornacis' database entry at VizieR.


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This page was last edited on 24 June 2024, at 03:36
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