Short description: Star in the constellation Aquarius
IZ Aquarii
|
Observation data
Equinox J2000.0]] (ICRS)
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| Constellation
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Aquarius
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| Right ascension
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21h 34m 42.768123s[2]
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| Declination
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+01° 49′ 44.95678″[2]
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| Apparent magnitude (V)
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6.41[3] (6.23 - 6.47)[4]
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| Characteristics
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| Spectral type
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M4 III[5]
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| B−V color index
|
1.398±0.015[3]
|
| Variable type
|
irregular variable
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| Astrometry |
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|
|---|
| 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[2] mas |
| Distance | 940 ± 70 ly
(290 ± 20 pc) |
| Absolute magnitude (MV) | −0.75[3] |
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| Details[3] |
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|
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| Radius | 44.4 R☉ |
| Luminosity | 390.92 L☉ |
| Temperature | 3303 K |
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| Other designations |
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IZ Aqr, BD+01° 4503, FK5 5868, GC 30209, HD 205358, HIP 106544, SAO 126901, PPM 171943, TYC 542-105-1, GSC 00542-00105, IRAS 21321+0136, 2MASS J21344276+0149447[6] |
| Database references |
|---|
| SIMBAD | data |
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]
References
 | Original source: https://en.wikipedia.org/wiki/IZ Aquarii. Read more |
