Observation data Epoch J2000 Equinox J2000 |
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Constellation | Apus |
Right ascension | 17h 22m 05.8760s |
Declination | -70° 07′ 23.549″ |
Apparent magnitude (V) | 5.41 |
Characteristics | |
Spectral type | B8/B9Vn |
U−B color index | -0.23 |
B−V color index | -0.04 |
Astrometry | |
Radial velocity (Rv) | -4.3 km/s |
Proper motion (μ) | RA: -1.73 mas/yr Dec.: -12.04 mas/yr |
Parallax (π) | 2.85 ± 0.63 mas |
Distance | approx. 1100 ly (approx. 350 pc) |
Absolute magnitude (MV) | -2.31 |
Details | |
Mass | 18 M☉ |
Radius | 8.64 R☉ |
Luminosity | 670 L☉ |
Temperature | 10,000–30,000 K |
Other designations | |
Database references | |
SIMBAD | data |
Iota Apodis (ι Aps, ι Apodis) is a double or multiple star system in the constellation Apus. It is approximately 1140 light years from Earth.[1] The double star is composed of two blue-white B-type main sequence dwarfs with apparent magnitudes of +5.9 and +6.4. The stars are separated by 0.121 arcseconds on the sky. The combined apparent magnitude of the system is +5.39.
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