All names: Gaia DR2 2777645067895669376, SDSS J005212.26+135301.5, ** LUY 6219B, Gaia EDR3 2777645067895669376, SDSS J005212.25+135302.0, WDS J00522+1353B, SDSS J005212.26+135302.0, GALEX J005212.3+135302, Gaia DR3 2777645067895669376, PHL 873, SDSS J005212.27+135301.5
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|
Right ascension | 00 52 12.26 (0.1) | 00 52 12.26 | 00 52 12.26 (0.1) | |||
Declination | 13 53 01.39 (0.08) | 13 53 01.39 | 13 53 02.03 (0.08) | |||
Spectral type | DA | DA | DA | |||
Effective temperature | [K] | 18964.0 (772) | ||||
log(g) | [cgs] | 8.00 (0.05) | ||||
Mass | [M☉] | 0.62 (0.04) | ||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 4.21 (0.1) | 4.21 | 4.21 (0.1) | ||
Distance | [pc] | 237.67 (7) | 237.67 | 237.67 (7) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | 0.253 (0.2) | 0.253 (0.2) | |||
Proper motion (declination) | [mas/yr] | -40.011 (0.1) | -40.011 (0.1) | |||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | 18.10 | |||||
V magnitude | 18.20 | |||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | 18.20 (0.07) | |||||
H magnitude | 18.40 (0.2) | |||||
K magnitude | ||||||
u magnitude | 17.76 (0.01) | |||||
g magnitude | 17.66 (0.005) | |||||
r magnitude | 17.98 (0.007) | |||||
i magnitude | 18.26 (0.009) | |||||
z magnitude | 18.61 (0.03) | |||||
G magnitude | 17.81 (0.003) | 17.81 | 17.81 (0.003) | |||
BP magnitude | 17.75 (0.01) | |||||
RP magnitude | 17.98 (0.02) | |||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.027 |
* 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.