astro.wikisort.org - StarAK Pyxidis is a semiregular variable star located in the constellation Pyxis. It varies between magnitudes 6.09 and 6.51,[3] pulsating to multiple periods simultaneously of 55.5, 57.9, 86.7, 162.9 and 232.6 days.[1] Located around 1228 light-years distant, it shines with a luminosity approximately 1500 times that of the Sun and has a surface temperature of 3410 K.[4]
Star in the constellation Pyxis
AK Pyxidis
 A visual band light curve for AK Pyxidis, plotted from data published by Tabur et al. (2009) [1] |
Observation data Epoch J2000 Equinox J2000 |
Constellation |
Pyxis |
Right ascension |
08h 48m 14.62631s[2] |
Declination |
−28° 38′ 19.6757″[2] |
Apparent magnitude (V) |
6.09-6.51[3] |
Characteristics |
Spectral type |
M5III [3] |
Variable type |
semiregular variable[3] |
Astrometry |
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|
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Proper motion (μ) | RA: -10.60 ± 0.29[2] mas/yr Dec.: −8.05 ± 0.29[2] mas/yr |
Parallax (π) | 4.68 ± 0.41 mas[2] |
Distance | 700 ± 60 ly (210 ± 20 pc) |
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Details |
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Luminosity | 1500[4] L☉ |
Temperature | 3410 K[4] K |
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Other designations |
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AK Pyxidis, CD−61° 1428, HD 75306, HIP 43215, SAO 176496. [5] |
Database references |
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SIMBAD | data |
References
- Tabur, V.; Bedding, T.R. (2009). "Long-term photometry and periods for 261 nearby pulsating M giants". Monthly Notices of the Royal Astronomical Society. 400 (4): 1945–61. arXiv:0908.3228. Bibcode:2009MNRAS.400.1945T. doi:10.1111/j.1365-2966.2009.15588.x. S2CID 15358380.
- van Leeuwen, F. (November 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
- Watson, Christopher (25 August 2009). "AK Pyxidis". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 29 July 2015.
- McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352.
- "V* AK Pyx". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 5 September 2015.
Constellation of Pyxis |
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Stars | Bayer | |
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Variable | |
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HR |
- 3336
- 3344
- 3362
- 3367
- 3381
- 3384
- 3397
- 3402
- 3425
- 3430
- 3434
- 3463
- 3473
- 3479
- 3483
- 3507
- 3512
- 3513
- 3516
- 3533
- 3534
- 3559
- 3585
- 3597
- 3637
- 3710
- 3745
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HD | |
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Other | |
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Galaxies | |
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 Category |
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