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[[Category:Henry Draper Catalogue objects|165493]] |
[[Category:Henry Draper Catalogue objects|165493]] |
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[[Category:Binary stars]] |
[[Category:Binary stars]] |
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[[Category:Hipparcos objects| |
[[Category:Hipparcos objects|088859]] |
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[[Category:B-type bright giants]] |
[[Category:B-type bright giants]] |
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[[Category:HR objects|6759]] |
[[Category:HR objects|6759]] |
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Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Ara |
Right ascension | 18h08m 30.1082s |
Declination | -45° 46′ 01.254″ |
Apparent magnitude (V) | 6.153 |
Characteristics | |
Spectral type | B7.5II |
U−B color index | -0.49 |
B−V color index | -0.08 |
Astrometry | |
Radial velocity (Rv) | -35 km/s |
Proper motion (μ) | RA: -2.56 mas/yr Dec.: -17.39 mas/yr |
Parallax (π) | 4.0 ± 1.01 mas |
Distance | approx. 800 ly (approx. 250 pc) |
Absolute magnitude (MV) | 6.065 |
Details | |
Mass | 18 M☉ |
Radius | 7 R☉ |
Luminosity | 2,24268 L☉ |
Temperature | 10,000–30,000 K |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 165493isdouble star.
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