Nu Phoenicis
Star in the constellation Phoenix / From Wikipedia, the free encyclopedia
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Nu Phoenicis is a F-type main-sequence star in the southern constellation of Phoenix. It is visible to the naked eye with an apparent visual magnitude of 4.95.[2] This is a solar analogue, meaning its observed properties appear similar to the Sun, although it is somewhat more massive. At an estimated distance of around 49.5 light years,[4] this star is located relatively near the Sun.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Phoenix |
Right ascension | 01h 15m 11.12150s[1] |
Declination | –45° 31′ 53.9954″[1] |
Apparent magnitude (V) | 4.95[2] |
Characteristics | |
Spectral type | F9 V Fe+0.4[3] |
U−B color index | +0.09[2] |
B−V color index | +0.57[2] |
Astrometry | |
Radial velocity (Rv) | +11.82 ± 0.15[4] km/s |
Proper motion (μ) | RA: 664.28[4] mas/yr Dec.: 179.06[4] mas/yr |
Parallax (π) | 65.8894 ± 0.1803 mas[4] |
Distance | 49.5 ± 0.1 ly (15.18 ± 0.04 pc) |
Absolute magnitude (MV) | 4.07[5] |
Details[5] | |
Mass | 1.17 M☉ |
Radius | 1.26 ± 0.04 R☉ |
Luminosity | 2.0 ± 0.1 L☉ |
Surface gravity (log g) | 4.31 ± 0.10 cgs |
Temperature | 6,066 ± 70 K |
Metallicity [Fe/H] | +0.16 ± 0.06 dex |
Rotational velocity (v sin i) | 3.7 ± 0.5 km/s |
Age | 4.2[6] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
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Based on observations of excess infrared radiation from this star, it may possess a dust ring that extends outward several AU from an inner edge starting at 10 AU.[8]