28 Aquarii

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28 Aquarii
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 22h 01m 05.0152s
Declination +00° 36' 16.975"
Apparent magnitude (V) 5.606
Characteristics
Spectral type K4III
U−B color index +1.40
B−V color index +1.28
Variable type None
Astrometry
Radial velocity (Rv) +6.7±2 km/s
Proper motion (μ) RA: 7.14 mas/yr
Dec.: -11.60 mas/yr
Parallax (π) 4.93 ± 0.83 mas
Distance approx. 700 ly
(approx. 200 pc)
Absolute magnitude (MV) 6.906
Details
Surface gravity (log g) 2.18 cgs
Temperature 4260 K
Metallicity Z=-0.16
Other designations
28 Aquarii, HD 209128, HR 8390, SAO 127235, HIP 108691, BD -00 4296, HIC 108691
Database references
SIMBAD data

28 Aquarii is an orange giant star of the Aquarius constellation. 28 Aqr is approximately 700 lys away from earth. 28 Aqr has less metallicity than the Sun, meaning that it is possibly older than the Sun.

External links[edit]