IZ Aquarii
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 21h 34m 42.76901s |
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 | |
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 2 Watson, Christopher (4 January 2010). "IZ Aquarii". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 13 July 2015.
- ↑ 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.
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