All names: SDSS J123718.69+555232.4, Gaia DR2 1571524582237003136, WD 1235+561, GALEX J123718.7+555232, SDSS J123718.70+555232.5, SDSS J123718.69+555232.5, Gaia EDR3 1571524586532877952, Gaia DR3 1571524586532877952
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 37 18.69 (0.2) | 12 37 18.70 | 12 37 18.69 (0.3) | 12 37 18.69 | 12 37 18.71 (0.2) | 12 37 18.70 | 12 37 18.19 | 12 37 18.70 | |||||
Declination | 55 52 32.31 (0.2) | 55 52 32.45 | 55 52 32.32 (0.3) | 55 52 32.31 | 55 52 32.51 (0.2) | 55 52 32.53 | 55 52 30.36 | 55 52 32.53 | |||||
Spectral type | DA | DA: | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 8518.0 | 8409.0 (448) | 8627.0 (127) | 8491.0 (139) | ||||||||
log(g) | [cgs] | 7.74 | 7.95 (0.1) | 8.31 (0.2) | 8.21 (0.2) | ||||||||
Mass | [M☉] | 0.453 | 0.564 (0.1) | 0.72 (0.1) | |||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.6620 | |||||||||||
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] | 4.12 (0.3) | 3.52 (0.4) | 4.12 | 4.12 (0.3) | ||||||||
Distance | [pc] | 242.56 (18) | 284.10 (34) | 242.56 | 242.57 (18) | ||||||||
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -12.09696557 (0.3) | -12.07879866 (0.5) | -12.097 (0.3) | -10.6 | ||||||||
Proper motion (declination) | [mas/yr] | -12.12700335 (0.3) | -12.10565335 (0.5) | -12.127 (0.3) | -13.1 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 20.23 (0.05) | 20.23 (0.05) | 20.21 (0.06) | 20.21 | 20.23 (0.06) | ||||||||
g magnitude | 19.73 (0.01) | 19.73 (0.01) | 19.70 (0.03) | 19.70 | 19.71 (0.03) | ||||||||
r magnitude | 19.63 (0.02) | 19.63 (0.02) | 19.64 (0.03) | 19.63 | 19.64 (0.03) | ||||||||
i magnitude | 19.76 (0.02) | 19.76 (0.03) | 19.74 (0.03) | 19.74 | 19.74 (0.03) | ||||||||
z magnitude | 19.93 (0.09) | 19.93 (0.1) | 19.91 (0.09) | 19.91 | 19.92 (0.09) | ||||||||
G magnitude | 19.64 (0.05) | 19.67 | 19.64 | 19.64 (0.004) | |||||||||
BP magnitude | 19.83 (0.05) | 19.75 | |||||||||||
RP magnitude | 19.49 (0.04) | 19.38 | |||||||||||
Pan g magnitude | 19.71 (0.01) | ||||||||||||
Pan r magnitude | 19.68 (0.01) | ||||||||||||
Pan i magnitude | 19.74 (0.01) | ||||||||||||
Pan z magnitude | 19.88 (0.04) | ||||||||||||
Pan y magnitude | 19.98 (0.03) | ||||||||||||
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.