VY Pyxidis
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File:VYPyxLightCurve.png A visual band light curve for VY Pyxidis, plotted from data published by Sanwal and Sarma (1991)[1] | |
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Pyxis |
| Right ascension | 08h 54m 29.6305s[2] |
| Declination | −23° 31′ 18.575″[2] |
| Apparent magnitude (V) | 7.13 - 7.40[3] |
| Characteristics | |
| Spectral type | F3/5III[4] |
| Variable type | BL Her[3] |
| Astrometry | |
| Proper motion (μ) | RA: 11.081[2] mas/yr Dec.: 29.509[2] mas/yr |
| Parallax (π) | 3.9495±0.0186 mas[2] |
| Distance | 826 ± 4 ly (253 ± 1 pc) |
| Details | |
| Mass | 2.4[5] M☉ |
| Radius | 6.5[6] R☉ |
| Luminosity | 46[6] L☉ |
| Surface gravity (log g) | 2.987[5] cgs |
| Temperature | 6,133[5] K |
| Metallicity [Fe/H] | −0.101[5] dex |
| Other designations | |
| VY Pyx, BD−22° 2440, HD 76296, HIP 43736, SAO 176679 | |
| Database references | |
| SIMBAD | data |
VY Pyxidis is a BL Herculis variable (type II Cepheid) in the constellation of Pyxis. It ranges between apparent magnitudes 7.13 and 7.40 over a period of 1.23995 days.[3] Located around 826 light-years distant, it shines with a luminosity approximately 46 times that of the Sun and has a surface temperature of 6,133 K
References
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c d e Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). (Erratum: Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).). Gaia EDR3 record for this source at VizieR.
- ^ a b c Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c d Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
