Iota1 Fornacis - Misplaced Pages

Yellow/orange giant; Fornax For other stars with the similar Bayer designation, see Iota Fornacis.

Iota Fornacis
Observation data Epoch J2000 Equinox J2000
Constellation	Fornax
Right ascension	02 36 09.26479
Declination	−30° 02′ 41.9220″
Apparent magnitude (V)	5.729
Characteristics
Evolutionary stage	giant
Spectral type	G8/K0III
Variable type	microvariable
Astrometry

Radial velocity (R_v)	3.44±0.12 km/s
Proper motion (μ)	RA: −17.457 mas/yr Dec.: −6.236 mas/yr
Parallax (π)	5.0717 ± 0.0459 mas
Distance	643 ± 6 ly (197 ± 2 pc)

Details

Mass	3.73±0.14 `M`_☉
Radius	18.95±0.48 `R`_☉
Luminosity	193±6 `L`_☉
Surface gravity (log g)	2.46±0.11 cgs
Temperature	4,942±50 K
Metallicity	0.096±0.043 dex

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

Iota Fornacis is a single sixth-magnitude star in the constellation Fornax. It has a spectrum of G8/K0III, 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.

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

References

^ 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.
^ "Iota1 Fornacis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2024-06-15.
^ 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 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. ISSN 0035-8711. Iota1 Fornacis' database entry at VizieR.
^ Adelman, S. J. (2001-02-01). "Research Note Hipparcos photometry: The least variable stars". Astronomy and Astrophysics. 367: 297–298. Bibcode:2001A&A...367..297A. doi:10.1051/0004-6361:20000567. ISSN 0004-6361. Iota1 Fornacis' database entry at VizieR.
Ottoni, G.; Udry, S.; Ségransan, D.; Buldgen, G.; Lovis, C.; Eggenberger, P.; Pezzotti, C.; Adibekyan, V.; Marmier, M.; Mayor, M.; Santos, N. C.; Sousa, S. G.; Lagarde, N.; Charbonnel, C. (2022-01-01). "CORALIE radial-velocity search for companions around evolved stars (CASCADES). I. Sample definition and first results: Three new planets orbiting giant stars". Astronomy and Astrophysics. 657: A87. arXiv:2201.01528. Bibcode:2022A&A...657A..87O. doi:10.1051/0004-6361/202040078. ISSN 0004-6361. Iota1 Fornacis' database entry at VizieR.

Constellation of Fornax

Stars

Bayer	α (Dalim) β γ γ δ ε ζ η η η ι ι κ λ λ μ ν π ρ σ τ υ φ χ χ χ ψ ω
Variable	R TZ UZ
HR	683 858
HD	15337 20781 20782 20868 (Intan)
Other	2MASS J02431371−2453298 HIP 13044 LP 944-20 UDF 2457 WASP-72 (Diya)

Exoplanets	HD 16417 b HD 20781 b c d e HD 20782 b HD 20868 b (Baiduri) TOI-849 b

Star clusters	NGC 1049

Nebulae	NGC 1360

Galaxies

NGC	823 824 922 986 1097 1210 1255 1288 1310 1316 1317 1318 1326 1350 1365 1374 1375 1379 1380 1381 1387 1398 1399 1406 1425 1427
Other	Fornax Dwarf HUDF-JD2 GS-NDG-9422 IC 335 IC 1993 JADES-GS-z14-0 JADES-GS-z7-01-QU MRC 0316-257 PGC 13809 UDF 423 UDFj-39546284 UDFy-38135539

Galaxy clusters	Fornax Cluster

Astronomical events	SN 1992bd SN 1999eu SN 2003B