| 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 | |
| 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) |
| Details | |
| Luminosity | 1500[4] L☉ |
| Temperature | 3410 K[4] K |
| Other designations | |
| AK Pyxidis,CD−61° 1428,HD 75306,HIP 43215,SAO 176496.[5] | |
| Database references | |
| SIMBAD | data |
AK Pyxidis is asemiregularvariablestar located in the constellationPyxis. It varies betweenmagnitudes 6.09 and 6.51,[3] making it very faintly visible to thenaked eye under excellent dark sky conditions. It has been found to pulsate with periods of 55.5, 57.9, 86.7, 162.9 and 232.6 days simultaneously.[1] Located around 1228 light-years distant, it shines with aluminosity approximately 1500 times that of the Sun and has a surface temperature of 3410 K.[4]
The variability of AK Pyxidis was discovered during the analysis of theHipparcos satellite data. It was given thevariable star designation AK Pyxidis in 1999.[6]
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