Star in the constellation Centaurus
V744 Centauri ![](//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/V744CenLightCurve.png/250px-V744CenLightCurve.png) A visual band light curve for V744 Centauri, plotted from ASAS data [1] |
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 |
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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) |
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Other designations |
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Database references |
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SIMBAD | data |
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]
References
- ^ "ASAS All Star Catalogue". The All Sky Automated Survey. Retrieved 8 December 2021.
- ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID 18759600.Vizier catalog entry
- ^ Simpson, Phil (2012). Guidebook to the Constellations: Telescopic Sights, Tales, and Myths. New York, New York: Springer Science & Business Media. p. 252. ISBN 978-1-4419-6941-5.
- ^ Jiménez-Esteban, F. M.; Caballero, J. A.; Dorda, R.; Miles-Páez, P. A.; Solano, E. (2012). "Identification of red high proper-motion objects in Tycho-2 and 2MASS catalogues using Virtual Observatory tools". Astronomy & Astrophysics. 539: 12. arXiv:1201.5315. Bibcode:2012A&A...539A..86J. doi:10.1051/0004-6361/201118375. S2CID 53404166.
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