HD 3346

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HD 3346

Observation data
Epoch J2000
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
V* V428 And, GSC 02796-02404, ROT 114, AG+44° 78, HD 3346, SAO 36509, BD+43° 113, HIC 2900, GC 726, HIP 2900, TYC 2796-2404-1, GCRV 335, HR 152.
 
HD 3346 or V428 And, Planetary System.

Contents

[edit] Uncertain planets

[edit] HD 3346 b

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

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


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