All names: SDSS J120312.03+634129.2, WD 1200+639, Gaia EDR3 1584535176343952768, SDSS J120312.04+634129.3, GALEX J120312.0+634129, Gaia DR2 1584535176343551360, SDSS J120312.03+634129.3, Gaia DR3 1584535176343952768, SDSS J120312.03+634129.4
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 03 11.92 (0.3) | 12 03 12.04 | 12 03 11.93 (0.3) | 12 03 12.05 (0.3) | 12 03 12.04 | 12 03 11.62 | 12 03 12.03 | ||||||
Declination | 63 41 29.04 (0.3) | 63 41 29.23 | 63 41 29.04 (0.3) | 63 41 29.24 (0.3) | 63 41 29.31 | 63 41 24.00 | 63 41 29.36 | ||||||
Spectral type | DC: | DC: | DC+M | DC: | DC: | DCM: | DC | ||||||
Effective temperature | [K] | 11290.0 | 11759.0 | 11364.0 (341) | 11190.0 (368) | ||||||||
log(g) | [cgs] | 7.97 | 7.94 | 8.10 (0.6) | 9.06 (0.7) | ||||||||
Mass | [M☉] | 0.585 | 0.551 | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.4206 | 0.3736 | ||||||||||
log(H/He) | |||||||||||||
log(C/He) | |||||||||||||
log(Ca/He) | |||||||||||||
log(Ca/H) | |||||||||||||
Parallax | [mas] | 2.48 (0.3) | 2.36 (0.4) | 2.48 (0.3) | |||||||||
Distance | [pc] | 403.47 (56) | 423.16 (73) | 403.47 (56) | |||||||||
Composition | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -51.64115657 (0.4) | -51.50475369 (0.6) | -51.641 (0.4) | -52.8 | ||||||||
Proper motion (declination) | [mas/yr] | -12.55323672 (0.4) | -12.93810566 (0.7) | -12.553 (0.4) | -14.1 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 20.03 (0.04) | 20.03 (0.04) | 20.00 (0.04) | 20.00 | 20.02 (0.04) | ||||||||
g magnitude | 19.86 (0.02) | 19.86 (0.02) | 19.91 (0.02) | 19.91 | 19.92 (0.02) | ||||||||
r magnitude | 20.02 (0.02) | 20.02 (0.02) | 20.05 (0.02) | 20.05 | 20.05 (0.02) | ||||||||
i magnitude | 20.15 (0.03) | 20.15 (0.03) | 20.29 (0.04) | 20.29 | 20.28 (0.04) | ||||||||
z magnitude | 20.44 (0.1) | 20.44 (0.1) | 20.21 (0.1) | 20.22 | 20.21 (0.1) | ||||||||
G magnitude | 19.92 (0.04) | 19.98 | 19.92 (0.005) | ||||||||||
BP magnitude | 20.03 (0.04) | 19.96 | |||||||||||
RP magnitude | 19.87 (0.07) | 19.83 | |||||||||||
Pan g magnitude | 19.88 (0.008) | ||||||||||||
Pan r magnitude | 20.02 (0.03) | ||||||||||||
Pan i magnitude | 20.18 (0.01) | ||||||||||||
Pan z magnitude | 20.40 (0.05) | ||||||||||||
Pan y magnitude | |||||||||||||
E(B-V) | 0.020 |
* 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.