Z Aquarii

Z Aquarii
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Aquarius
Right ascension 23h 52m 14.6227s[1]
Declination −15° 51′ 16.652″[1]
Apparent magnitude (V) 7.4 to 10.2[2]
Characteristics
Spectral type M1/M2Ib/II[1]
B−V color index 1.5[1]
Variable type SRA[2]
Astrometry
Radial velocity (Rv) 68 ± 5[1] km/s
Proper motion (μ) RA: 12.92[1] mas/yr
Dec.: −16.21[1] mas/yr
Parallax (π) 0.31 ± 1.64[1] mas
Distance approx. 11000 ly
(approx. 3000 pc)
Other designations
Z Aqr, BD−16 6379, HD 223737, HIP 117703, PPM 242225, SAO 165928.[1]
Database references
SIMBAD data

Z Aquarii (Z Aqr) is a M-type star in the constellation of Aquarius.[1] It has an apparent visual magnitude which varies between 7.4 and 10.2.[2]

References

  1. ^ a b c d e f g h i j V* Z Aqr -- Semi-regular pulsating Star, database entry, SIMBAD. Accessed on line November 10, 2009.
  2. ^ a b c Z Aqr, database entry, The combined table of GCVS Vols I-III and NL 67-78 with improved coordinates, General Catalogue of Variable Stars, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line November 10, 2009. (Quick look: Z+Aqr)