Iota Persei
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| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
Perseus |
| Right ascension | 03h 09m 04.02s |
| Declination | +49° 36′ 47.8″ |
| Apparent magnitude (V) | 4.05 |
| Characteristics | |
| Spectral type | G0 V |
| U-B color index | 0.12 |
| B-V color index | 0.60 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | +50.0 km/s |
| Proper motion (μ) | RA: 1262.18 mas/yr Dec.: -91.60 mas/yr |
| Parallax (π) | 94.93 ± 0.67 mas |
| Distance | 34.4 ± 0.2 ly (10.53 ± 0.07 pc) |
| Absolute magnitude (MV) | 3.94 |
| Details | |
| Mass | 1.3 M☉ |
| Radius | 1.08 R☉ |
| Luminosity | 2.2 L☉ |
| Temperature | 5,945 K |
| Metallicity | 108% Sun |
| Rotation | <10 km/s. |
| Age | 8.1 × 109 years |
| Other designations | |
Iota Persei (ι Per / ι Persei) is a main sequence dwarf star in the constellation Perseus. It is somewhat larger and greater in mass than the Sun, and is located about 34 light years distant. Iota Persei has a relatively high proper motion across the sky, and moves at a net velocity of 92 km/s, relative to the Sun.
No sub-stellar companions to this star have yet been found. There is a 12th-magnitude line of sight companion star that is not believed to be gravitationally associated with Iota Persei.
[edit] Cultural references
- The planet Grainne in the book Freehold, by Michael Z. Williamson, is described as orbiting Iota Persei.
[edit] External links
- Iota Persei. SolStation. Retrieved on 2006-07-25.
- Gl 124. ARICNS. Retrieved on 2006-07-25.
- Iota Per. Prof. Jim Kaler. Retrieved on 2006-07-25.
- HD 19373 -- High proper-motion Star. SIMBAD. Retrieved on 2006-07-25.
- ι Persei. Alcyone ephemeris. Retrieved on 2006-07-25.
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