VY Pyxidis

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

VY Pyxidis

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