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Star in the constellation Centaurus From Wikipedia, the free encyclopedia
V744 Centauri, is a semi-regular variable pulsating star in the constellation Centaurus. Located 3 degrees north north east of Epsilon Centauri, It ranges from apparent magnitude 5.1 to 6.7 over 90 days.[3] It is unusual in that it is a red star with a high proper motion (greater than 50 milliarcseconds a year).[4]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Centaurus |
Right ascension | 13h 39m 59.80667s[2] |
Declination | –49° 56′ 59.8395″[2] |
Apparent magnitude (V) | 5.1-6.7 |
Characteristics | |
Spectral type | M5III |
Variable type | Semiregular variable |
Astrometry | |
Radial velocity (Rv) | –10.7 km/s |
Proper motion (μ) | RA: –100.11 ± 0.24[2] mas/yr Dec.: 18.74 ± 0.29[2] mas/yr |
Parallax (π) | 6.35 ± 0.33 mas[2] |
Distance | 510 ± 30 ly (157 ± 8 pc) |
Other designations | |
Database references | |
SIMBAD | data |
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