All names: WD 0423-550, Gaia DR3 4778990563864168448, Gaia EDR3 4778990563864168448, USNO-B1.0 0350-00033356, GSC2 S01112314088, Gaia DR2 4778990563864168448, HE 0423-5502
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|
Right ascension | 04 24 31.76 (0.05) | 04 24 31.77 (0.07) | 04 24 31.76 | 04 24 32.05 (0.05) | 04 24 32.62 | ||
Declination | -54 55 40.12 (0.05) | -54 55 40.09 (0.07) | -54 55 40.12 | -54 55 39.23 (0.05) | -54 55 36.12 | ||
Spectral type | DB | DB | DB3.3 | ||||
Effective temperature | [K] | 14294.0 (311) | |||||
log(g) | [cgs] | 8.04 (0.03) | |||||
Mass | [M☉] | 0.613 (0.02) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | 8.08 (0.05) | 8.17 (0.07) | 8.08 | 8.08 (0.05) | ||
Distance | [pc] | 123.78 (0.8) | 122.35 (1) | 123.78 | 123.78 (0.8) | ||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -153.9953236 (0.06) | -154.1006258 (0.1) | -153.995 (0.06) | |||
Proper motion (declination) | [mas/yr] | -55.6621173 (0.06) | -55.37654436 (0.2) | -55.662 (0.06) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | 16.89 (0.2) | ||||||
V magnitude | |||||||
R magnitude | 16.60 | ||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | |||||||
g magnitude | |||||||
r magnitude | |||||||
i magnitude | |||||||
z magnitude | |||||||
G magnitude | 16.91 (0.009) | 16.94 | 16.91 | 16.91 (0.003) | |||
BP magnitude | 16.87 (0.009) | 16.82 | |||||
RP magnitude | 16.97 (0.009) | 16.97 | |||||
Pan g magnitude | |||||||
Pan r magnitude | |||||||
Pan i magnitude | |||||||
Pan z magnitude | |||||||
Pan y magnitude | |||||||
E(B-V) | 0.002 |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.