Rho Aquarii

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
Distance	approx. 700 ly (approx. 230 pc)
Absolute magnitude (MV)	2.07
Details
Mass	~18 M☉
Radius	~7 R☉
Luminosity	~20,000 L☉
Temperature	10,000–30,000 all for b type stars K
Metallicity	?
Rotation	0,0134941862 Year
Age	? years
Other designations
46 Aquarii, GSC 05804-01742, N30 4918, TYC 5804-1742-1, HD 211838, PHL 1827, UBV M 26319, BD-08° 5855, HERZ 2872, PPM 206239, UBV 19105, EXO 2217.5-0804, HIC 110273, ROT 3249, uvby98 100211838, GC 31225, HIP 110273, SAO 146023, YZ 98 7993, GCRV 14045, HR 8512, 2MASS J22201192-0749159, TD1 28986.
Database references
SIMBAD	data
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.

Aquarius Constellation

External links

• HR 8512
• Image Rho Aquarii
• Aladin sky atlas, image