Iota1 Fornacis is a single[3] sixth-magnitude star in the constellation Fornax. It has a spectrum of G8/K0III,[2] 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.[1]
For other stars with the similar Bayer designation, see
Iota Fornacis.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Iota1 Fornacis
Observation data
Epoch J2000 Equinox J2000 |
| Constellation |
Fornax |
| Right ascension |
02h 36m 09.26479s[1] |
| Declination |
−30° 02′ 41.9220″[1] |
| Apparent magnitude (V) |
5.729[2] |
| Characteristics |
| Evolutionary stage |
giant |
| Spectral type |
G8/K0III[2][3] |
| Variable type |
microvariable[4] |
| Astrometry |
|---|
|
|---|
| Radial velocity (Rv) | 3.44±0.12[1] km/s |
| Proper motion (μ) | RA: −17.457 mas/yr[1]
Dec.: −6.236 mas/yr[1] |
| Parallax (π) | 5.0717±0.0459 mas[1] |
| Distance | 643 ± 6 ly
(197 ± 2 pc)[1] |
|
|---|
| Details[5] |
|---|
|
|---|
| 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 [Fe/H] | 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 |
Close
This star is microvariable, varying by 0.0006 magnitudes at Hipparcos wavelengths.[4]