All names: Gaia EDR3 673471041179373696, WD 0753+207, SDSS J075637.73+203730.7, GALEX J075637.7+203730, SDSS J075637.74+203730.7, Gaia DR3 673471041179373696, Gaia DR2 673471041179373696, SDSS J075637.73+203730.5, SDSS J075637.74+203730.5, [KAB2007] Cand 133, [BGK2006] J075637.74+203730.7
Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 07 56 37.73 (0.2) | 07 56 37.74 | 07 56 37.73 (0.2) | 07 56 37.74 (0.2) | 07 56 37.74 | 07 56 37.85 | 07 56 37.74 | |||||
Declination | 20 37 30.54 (0.1) | 20 37 30.71 | 20 37 30.55 (0.2) | 20 37 30.78 (0.1) | 20 37 30.72 | 20 37 27.48 | 20 37 30.72 | |||||
Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | |||||
Effective temperature | [K] | 24572.0 | 17140.0 (450) | 16358.0 (265) | 16364.0 (292) | |||||||
log(g) | [cgs] | 8.56 | 8.04 (0.08) | 7.93 (0.06) | 7.95 (0.06) | |||||||
Mass | [M☉] | 0.975 | 0.64 (0.05) | 0.589 (0.03) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.1172 | 0.1479 | |||||||||
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] | 2.98 (0.2) | 2.97 (0.3) | 2.98 (0.2) | ||||||||
Distance | [pc] | 336.00 (25) | 336.41 (34) | 336.00 (25) | ||||||||
Composition | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -7.024511731 (0.2) | -6.836366265 (0.5) | -7.025 (0.2) | -3.2 | |||||||
Proper motion (declination) | [mas/yr] | -14.80990158 (0.1) | -14.83953885 (0.3) | -14.81 (0.1) | -18.6 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 19.11 (0.02) | 19.11 (0.02) | 19.15 (0.03) | 19.15 | 19.13 (0.03) | |||||||
g magnitude | 18.81 (0.008) | 18.81 (0.008) | 18.83 (0.01) | 18.83 | 18.82 (0.01) | |||||||
r magnitude | 19.15 (0.01) | 19.15 (0.01) | 19.18 (0.01) | 19.18 | 19.16 (0.01) | |||||||
i magnitude | 19.40 (0.02) | 19.40 (0.02) | 19.43 (0.02) | 19.43 | 19.41 (0.02) | |||||||
z magnitude | 19.86 (0.09) | 19.86 (0.09) | 19.89 (0.09) | 19.89 | 19.86 (0.09) | |||||||
G magnitude | 19.01 (0.03) | 19.04 | 19.01 (0.004) | |||||||||
BP magnitude | 18.97 (0.03) | 18.94 | ||||||||||
RP magnitude | 19.17 (0.06) | 19.10 | ||||||||||
Pan g magnitude | ||||||||||||
Pan r magnitude | ||||||||||||
Pan i magnitude | ||||||||||||
Pan z magnitude | ||||||||||||
Pan y magnitude | ||||||||||||
E(B-V) | 0.017 |
* 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.