HD 3346
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| Observation data Epoch J2000 |
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| Constellation (pronunciation) |
Andromeda |
| Right ascension | 00h 36m 46.441s |
| Declination | +44° 29' 18.913"' |
| Apparent magnitude (V) | 5.164 |
| Characteristics | |
| Spectral type | K5III |
| U-B color index | ? |
| B-V color index | 1.6 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | -32.8 km/s |
| Proper motion (μ) | RA: -36.70 mas/yr Dec.: 31.77 mas/yr |
| Parallax (π) | 4.97 ± 0.78 mas |
| Distance | approx. 700 ly (approx. 200 pc) |
| Absolute magnitude (MV) | 6.789 |
| Details | |
| Mass | ? M☉ |
| Radius | 46.27 R☉ |
| Luminosity | ? L☉ |
| Temperature | 4350 K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
HD 3346 or V428 And, Planetary System.
Contents |
[edit] Uncertain planets
[edit] HD 3346 b
| Orbital elements | ||
|---|---|---|
| Semi-major axis a: | 0.3 AU | |
| Eccentricity e: | 0 | |
| Orbital period P: | 30.0 d | |
| Inclination i: | ?° | |
| Angular distance θ: | 82.042 mas | |
| Longitude of periastron ω: |
?° | |
| Time of periastron τ: | ? JD | |
| Semi-amplitude K: | ? m/s | |
| Physical characteristics | ||
| Mass: | 3178 ME | |
| Radius: | ? RJ | |
| Density: | ? kg/m³ | |
| Gravity: | ? g | |
| Temperature: | 2336 K | |
| Discovery | ||
| Discovery date: | 1996 | |
| Discovery site: | [Interstellar Card] | |
| Detection method(s): | Doppler Spectroscopy | |
| Discoverer(s): | Noyes et al | |
| Other catalogue | ||
[edit] HD 3346 c
| Orbital elements | ||
|---|---|---|
| Semi-major axis a: | 2.5 AU | |
| Eccentricity e: | 0 | |
| Orbital period P: | 650.0 d | |
| Inclination i: | ?° | |
| Angular distance θ: | 9.845 mas | |
| Longitude of periastron ω: |
?° | |
| Time of periastron τ: | ? JD | |
| Semi-amplitude K: | ? m/s | |
| Physical characteristics | ||
| Mass: | 19068 ME | |
| Radius: | ? RJ | |
| Density: | ? kg/m³ | |
| Gravity: | ? g | |
| Temperature: | 809 K | |
| Discovery | ||
| Discovery date: | 1996 | |
| Discovery site: | [Interstellar Card] | |
| Detection method(s): | Doppler Spectroscopy | |
| Discoverer(s): | Noyes et al | |
| Other catalogue | ||
[edit] Reference
- [Simbad]
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