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.[4]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 21h 34m 42.768123s[2] |
Declination | +01° 49′ 44.95678″[2] |
Apparent magnitude (V) | 6.41[3] (6.23 - 6.47)[4] |
Characteristics | |
Spectral type | M4 III[5] |
B−V color index | 1.398±0.015[3] |
Variable type | irregular variable |
Astrometry | |
Radial velocity (Rv) | −20.48±0.26[3] km/s |
Proper motion (μ) | RA: +13.153[2] mas/yr Dec.: −8.518[2] mas/yr |
Parallax (π) | 3.4739 ± 0.2458 mas[2] |
Distance | 940 ± 70 ly (290 ± 20 pc) |
Absolute magnitude (MV) | −0.75[3] |
Details[3] | |
Radius | 44.4 R☉ |
Luminosity | 390.92 L☉ |
Temperature | 3303 K |
Other designations | |
Database references | |
SIMBAD | data |