Rho Aquilae

ρ Aquilae
Location of ρ Aquilae (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Delphinus
Right ascension 20h 14m 16.61886s[1]
Declination +15° 11′ 51.3923″[1]
Apparent magnitude (V) 4.94[2]
Characteristics
Spectral type A2 V[3]
U−B color index +0.01[4]
B−V color index +0.09[4]
Astrometry
Radial velocity (Rv)−23.0[2] km/s
Proper motion (μ) RA: +55.03[1] mas/yr
Dec.: +58.14[1] mas/yr
Parallax (π)21.75 ± 0.26 mas[1]
Distance150 ± 2 ly
(46.0 ± 0.5 pc)
Absolute magnitude (MV)+1.63[5]
Details
Mass1.94±0.04[6] M☉
Radius1.95[7] R☉
Luminosity22[6] L☉
Surface gravity (log g)4.2[7] cgs
Temperature8,900±100[6] K
Metallicity [Fe/H]−0.21[8] dex
Rotational velocity (v sin i)180[9] km/s
Age300±100[6] Myr
Other designations
Tso Ke, ρ Aql, 67 Aquilae, BD+14° 4227, FK5 1526, HD 192425, HIP 99742, HR 7724, SAO 105878[10]
Database references
SIMBADdata

Rho Aquilae, ρ Aquilae, is the Bayer designation for a star in the northern constellation of Delphinus. It has an apparent visual magnitude of 4.94[2] and is bright enough to be seen with the naked eye in good conditions.

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