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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h11m 38.68606s[2] |
| Declination | –48° 52′ 24.2049″[2] |
| Apparent magnitude (V) | 5.92[3] |
| Characteristics | |
| Spectral type | M1.5 III[4] |
| B−V color index | +1.82[3] |
| Variable type | LB[5] |
| Astrometry | |
| Proper motion (μ) | RA: 7.600[2] mas/yr Dec.: –6.378[2] mas/yr |
| Parallax (π) | 2.2444 ± 0.0772 mas[2] |
| Distance | 1,450 ± 50 ly (450 ± 20 pc) |
| Details | |
| Mass | 4.07[6] M☉ |
| Radius | 172[7] R☉ |
| Luminosity | 3,454[8] L☉ |
| Temperature | 3,675[7] K |
| Other designations | |
V854 Arae, CD–48 11492, HD 155035, HIP 84105, HR 6374, SAO 227699, V854 Ara[9] | |
| Database references | |
| SIMBAD | data |
HD 155035 is a star in the constellation Ara, the Altar. It is located at a distance of approximately 1,450 light-years (450 parsecs)[2] from Earth and has an apparent visual magnitude of 5.92,[3] making it is faintly visible to the naked eye. This is a red giant star with a stellar classification of M1.5 III.[4] It an irregular variable that changes brightness over an amplitude range of 0.12 magnitudes.[10]
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