All names: J2111-0036, WDJ211130.04-003628.66, Gaia DR2 2689129601561746560, Gaia DR3 2689129601561746560, SDSS J211130.04-003628.8, SDSS J211130.04-003628.7, WD 2108-008, SDSS J211130.05-003628.8, Gaia EDR3 2689129601561746560, GALEX J211130.0-003627
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Coutu et al. 2019 | Gaia DR2 | Stilism | Koester et al. 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 11 30.07 (0.2) | 21 11 30.04 | 21 11 30.04 | 21 11 30.07 (0.2) | 21 11 30.07 | 21 11 30.04 (0.2) | 21 11 30.07 | 21 11 30.04 | 21 11 30.34 | 21 11 30.05 | |||||||
Declination | -00 36 29.23 (0.1) | -00 36 28.79 | -00 36 28.66 | -00 36 29.22 (0.2) | -00 36 29.23 | -00 36 28.66 (0.1) | -00 36 29.22 | -00 36 28.74 | -00 36 22.32 | -00 36 28.77 | |||||||
Spectral type | DQ | DQ | DQ | DQ | DQ: | DQ | DQ | DQ | DQ | DQ | DQ | ||||||
Effective temperature | [K] | 7012.0 (56) | 7159.0 (48) | 7199.0 (141) | 7168.0 | 7128.0 (116) | 10088.0 (20) | 10088.0 (20) | |||||||||
log(g) | [cgs] | 7.91 (0.02) | 7.89 (0.03) | 7.91 | 8.00 (0) | 7.96 (0.03) | 8.46 (0.4) | 9.16 (0.6) | |||||||||
Mass | [M☉] | 0.52 (0.02) | 0.51 (0.02) | 0.521 | 0.548 (0.03) | ||||||||||||
log(Luminosity) | [L☉] | ||||||||||||||||
Cooling age | [Gyr] | 1.3300 | 1.2900 | ||||||||||||||
log(H/He) | |||||||||||||||||
log(C/He) | -6.31 | -6.19 | -6.1723 (0.08) | -6.27 (0.05) | |||||||||||||
log(Ca/He) | |||||||||||||||||
log(Ca/H) | |||||||||||||||||
log(N/He) | |||||||||||||||||
log(O/He) | |||||||||||||||||
log(Na/He) | |||||||||||||||||
log(Mg/He) | |||||||||||||||||
log(Al/He) | |||||||||||||||||
log(Si/He) | |||||||||||||||||
log(P/He) | |||||||||||||||||
log(S/He) | |||||||||||||||||
log(Cl/He) | |||||||||||||||||
log(Sc/He) | |||||||||||||||||
log(Ti/He) | |||||||||||||||||
log(V/He) | |||||||||||||||||
log(Cr/He) | |||||||||||||||||
log(Mn/He) | |||||||||||||||||
log(Fe/He) | |||||||||||||||||
log(Co/He) | |||||||||||||||||
log(Ni/He) | |||||||||||||||||
log(Cu/He) | |||||||||||||||||
log(Zn/He) | |||||||||||||||||
log(Ga/He) | |||||||||||||||||
log(Ge/He) | |||||||||||||||||
log(Sr/He) | |||||||||||||||||
Parallax | [mas] | 10.95 (0.2) | 10.59 (0.2) | 10.59 | 10.59 (0.2) | 10.95 | 10.95 (0.2) | 10.59 (0.2) | |||||||||
Distance | [pc] | 91.33 (1) | 94.43 (2) | 94.45 (2) | 94.45 (2) | 91.33 | 91.34 (1) | 94.45 (2) | |||||||||
Composition | He | He | He | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 30.36832593 (0.2) | 30.90614343 (0.3) | 30.368 (0.2) | 30.906 | ||||||||||||
Proper motion (declination) | [mas/yr] | -35.67978374 (0.1) | -35.67381431 (0.3) | -35.68 (0.1) | -35.674 | ||||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | |||||||||||||||||
B magnitude | 18.10 | ||||||||||||||||
V magnitude | 18.21 | ||||||||||||||||
R magnitude | |||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 17.70 (0.03) | 17.69 (0.05) | |||||||||||||||
H magnitude | 17.68 (0.05) | 17.80 (0.1) | |||||||||||||||
K magnitude | 17.59 (0.09) | 18.00 (0.2) | |||||||||||||||
u magnitude | 18.59 (0.02) | 18.64 (0.02) | 18.59 (0.02) | 18.67 (0.02) | 18.69 (0.02) | 18.68 | 18.65 (0.02) | ||||||||||
g magnitude | 18.26 (0.007) | 18.26 (0.007) | 18.27 (0.007) | 18.31 (0.01) | 18.30 | 18.30 (0.01) | |||||||||||
r magnitude | 18.16 (0.008) | 18.16 (0.008) | 18.15 (0.008) | 18.20 (0.01) | 18.19 | 18.18 (0.02) | |||||||||||
i magnitude | 18.16 (0.009) | 18.16 (0.009) | 18.16 (0.01) | 18.22 (0.01) | 18.21 | 18.20 (0.01) | |||||||||||
z magnitude | 18.23 (0.02) | 18.23 (0.03) | 18.22 (0.04) | 18.33 (0.03) | 18.33 | 18.29 (0.03) | |||||||||||
G magnitude | 18.17 (0.02) | 18.19 | 18.17 | 18.17 (0.003) | 18.19 | ||||||||||||
BP magnitude | 18.32 (0.02) | 18.27 | 18.27 | ||||||||||||||
RP magnitude | 17.91 (0.02) | 17.88 | 17.88 | ||||||||||||||
Pan g magnitude | 18.29 (0.007) | 18.29 (0.007) | |||||||||||||||
Pan r magnitude | 18.19 (0.006) | 18.19 (0.006) | |||||||||||||||
Pan i magnitude | 18.22 (0.009) | 18.22 (0.007) | |||||||||||||||
Pan z magnitude | 18.31 (0.01) | 18.31 (0.01) | |||||||||||||||
Pan y magnitude | 18.33 (0.02) | 18.33 (0.02) | |||||||||||||||
E(B-V) | 0.005 |
* 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.