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Rho Aquarii

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ρ Aquarii
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 22h 20m 11.9165s
Declination -07° 49′ 15.967″
Apparent magnitude (V) 5.29
Characteristics
Spectral type B8IIImnp...
U−B color index -0.37
B−V color index -0.06
Astrometry
Radial velocity (Rv)-9 km/s
Proper motion (μ) RA: 15.21 mas/yr
Dec.: 1.61 mas/yr
Parallax (π)4.39 ± 0.80 mas
Distanceapprox. 700 ly
(approx. 230 pc)
Absolute magnitude (MV)2.07
Details
Mass~18 M
Radius~7 R
Luminosity~20,000 L
Other designations
46 Aquarii, HD 211838, BD-08° 5855, HIP 110273, SAO 146023, HR 8512.
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

Rho Aquarii (ρ Aqr, ρ Aquarii) is a star in the constellation Aquarius.

Rho Aquarii is a blue-white B-type giant with an apparent magnitude of +5.35. It is approximately 740 light years from Earth.