IZ Aquarii

IZ Aquarii

Observation data Epoch J2000      Equinox J2000
Constellation	Aquarius
Right ascension	21^h 34^m 42.76901^s
Declination	+01° 49′ 44.918″
Apparent magnitude (V)	6.23 - 6.47[1]
Characteristics
Spectral type	M4III[2]
B−V color index	1.38
Variable type	irregular variable
Astrometry
Proper motion (μ)	RA: 13.49 ± 0.54 mas/yr Dec.: -10.14 ± 0.33 mas/yr
Parallax (π)	3.62 ± 0.49 mas
Distance	approx. 900 ly (approx. 280 pc)
Details
Other designations
V* IZ Aqr, GC 30209, IRAS 21321+0136, SAO 126901, AG+01° 2614, GSC 00542-00105, IRC +00504, BD+01° 4503, HD 205358, 2MASS J21344276+0149447, TYC 542-105-1, DO 7488, HIC 106544, PPM 171943, YZ 1 7548, EIC 861, HIP 106544, RAFGL 2782, AAVSO 2129+01.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)

IZ Aquarii is a red giant star in the constellation Aquarius. It is a slow irregular variable that varies between magnitudes 6.23 and 6.47.^[1]

References

1. Watson, Christopher (4 January 2010). "IZ Aquarii". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 13 July 2015.
2. Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey. 05: 0. Bibcode:1999MSS...C05....0H.