All names: SDSS J104450.86-012434.4, Gaia DR2 3805698743492336384, Gaia DR3 3805698743492336384, Gaia EDR3 3805698743492336384, SDSS J104450.86-012434.42, SDSS J104450.85-012434.3, 2QZ J104450.8-012434, GALEX J104450.8-012434
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 10 44 50.84 (0.3) | 10 44 50.85 | 10 44 50.84 (0.5) | 10 44 50.84 | 10 44 50.85 (0.3) | ||||||
Declination | -01 24 34.68 (0.3) | -01 24 34.37 | -01 24 34.67 (0.5) | -01 24 34.68 | -01 24 34.36 (0.3) | ||||||
Spectral type | DA: | DA: | DA | DA | DA | ||||||
Effective temperature | [K] | 7755.0 | 7617.0 (56) | 7427.0 (444) | |||||||
log(g) | [cgs] | 8.00 | 7.90 (0.09) | 8.07 (0.1) | |||||||
Mass | [M☉] | 0.592 | 0.541 (0.04) | 0.635 (0.1) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 1.1610 | |||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
log(C/H) | |||||||||||
log(N/H) | |||||||||||
log(O/H) | |||||||||||
log(Na/H) | |||||||||||
log(Mg/H) | |||||||||||
log(Al/H) | |||||||||||
log(Si/H) | |||||||||||
log(P/H) | |||||||||||
log(S/H) | |||||||||||
log(Sc/H) | |||||||||||
log(Ti/H) | |||||||||||
log(Cr/H) | |||||||||||
log(Mn/H) | |||||||||||
log(Fe/H) | |||||||||||
log(Ni/H) | |||||||||||
Parallax | [mas] | 5.94 (0.4) | 5.27 (0.6) | 5.94 | 5.94 (0.4) | ||||||
Distance | [pc] | 168.48 (11) | 189.77 (23) | 168.48 | 168.47 (11) | ||||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -8.822343126 (0.4) | -9.371842205 (0.9) | -8.822 (0.4) | |||||||
Proper motion (declination) | [mas/yr] | -19.85616574 (0.4) | -19.06545352 (0.8) | -19.856 (0.4) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | |||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 20.10 (0.05) | 20.08 (0.05) | 20.10 (0.05) | ||||||||
g magnitude | 19.58 (0.01) | 19.58 (0.02) | 19.58 (0.01) | ||||||||
r magnitude | 19.46 (0.02) | 19.46 (0.02) | 19.46 (0.02) | ||||||||
i magnitude | 19.47 (0.02) | 19.47 (0.03) | 19.47 (0.03) | ||||||||
z magnitude | 19.48 (0.09) | 19.50 (0.09) | 19.48 (0.09) | ||||||||
G magnitude | 19.46 (0.06) | 19.49 | 19.46 | 19.46 (0.005) | |||||||
BP magnitude | 19.65 (0.06) | 19.80 | |||||||||
RP magnitude | 19.11 (0.04) | 19.29 | |||||||||
Pan g magnitude | 19.56 (0.02) | ||||||||||
Pan r magnitude | 19.50 (0.009) | ||||||||||
Pan i magnitude | 19.49 (0.02) | ||||||||||
Pan z magnitude | 19.60 (0.03) | ||||||||||
Pan y magnitude | 19.49 (0.1) | ||||||||||
E(B-V) | 0.013 |
* 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.