AK Pyxidis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pyxis |
| Right ascension | 08h 48m 14.62631s |
| Declination | −28° 38′ 19.6757″ |
| Apparent magnitude (V) | 6.09-6.51 |
| Characteristics | |
| Spectral type | M5III |
| Variable type | semiregular variable |
| Astrometry | |
| Proper motion (μ) | RA: -10.60 ± 0.29 mas/yr Dec.: −8.05 ± 0.29 mas/yr |
| Parallax (π) | 4.68±0.41 mas |
| Distance | 700 ± 60 ly (210 ± 20 pc) |
| Details | |
| Luminosity | 1500 L☉ |
| Temperature | 3410 K K |
| Other designations | |
| AK Pyxidis, CD−61° 1428, HD 75306, HIP 43215, SAO 176496. | |
| Database references | |
| SIMBAD | data |
AK Pyxidis is a semiregular variable star located in the constellation Pyxis. It varies between magnitudes 6.09 and 6.51, making it very faintly visible to the naked 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. 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.
The variability of AK Pyxidis was discovered during the analysis of the Hipparcos satellite data. It was given the variable star designation AK Pyxidis in 1999.