Yellow/orange giant; Fornax
For other stars with the similar Bayer designation, see
Iota Fornacis .
Iota1 Fornacis Observation dataEpoch 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 )± 0.12[4] Proper motion (μ) RA: mas /yr [4] Dec.: mas /yr [4] Parallax (π)5.0717 ± 0.0459 mas [4] Distance 643 ± 6 ly pc )[4] Details[5] Radius 20.712 R ☉ Luminosity 207 L ☉ Temperature 4,816 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 SIMBAD data
Iota1 Fornacis is a single[2] Fornax . It has a spectrum of G8/K0III,[1] 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 [ edit ] ^ a b c d e "Iota1 Fornacis" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2024-06-15 .^ 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. doi :10.1111/j.1365-2966.2008.13596.x . ISSN 0035-8711 . Iota1 Fornacis' database entry at VizieR .^ 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 .^ 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 .^ 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, doi :10.1093/mnras/stx1433 , ISSN 0035-8711 Iota1 Fornacis' database entry at VizieR .
