All names: WD 2101-011, Gaia DR2 6917223054171248256, Gaia DR3 6917223054171248256, Gaia EDR3 6917223054171248256, SDSS J210336.70-005545.2, SDSS J210336.67-005545.1, J2103-0055
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 03 36.81 (0.3) | 21 03 36.81 (0.3) | 21 03 36.81 | 21 03 36.65 (0.3) | 21 03 36.62 | |||||
| Declination | -00 55 45.80 (0.2) | -00 55 45.78 (0.3) | -00 55 45.80 | -00 55 45.09 (0.2) | -00 55 40.08 | |||||
| Spectral type | DC | DC | DA: | DC | DC | |||||
| Effective temperature | [K] | 4866.0 (58) | 4903.0 (30) | 4964.0 (136) | ||||||
| log(g) | [cgs] | 7.90 (0.04) | 7.97 (0.04) | 7.94 (0.08) | ||||||
| Mass | [M☉] | 0.52 (0.03) | 0.561 (0.03) | 0.545 (0.07) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 6.1300 | ||||||||
| 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] | 12.92 (0.3) | 13.19 (0.4) | 13.19 (0.4) | 12.92 | 12.92 (0.3) | ||||
| Distance | [pc] | 77.41 (2) | 75.82 (2) | 75.84 (2) | 77.41 | 77.41 (2) | ||||
| Composition | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 149.9595404 (0.3) | 150.5480298 (0.8) | 149.96 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -44.63641622 (0.3) | -45.09928557 (0.7) | -44.636 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 18.06 (0.06) | |||||||||
| H magnitude | 17.69 (0.08) | |||||||||
| K magnitude | 17.63 (0.1) | |||||||||
| u magnitude | 21.70 (0.03) | 21.70 (0.1) | 21.65 | |||||||
| g magnitude | 20.06 (0.02) | 20.06 | ||||||||
| r magnitude | 19.30 (0.01) | 19.29 | ||||||||
| i magnitude | 19.01 (0.01) | 19.02 | ||||||||
| z magnitude | 18.85 (0.04) | 18.89 | ||||||||
| G magnitude | 19.33 (0.07) | 19.36 | 19.33 | 19.33 (0.004) | ||||||
| BP magnitude | 19.93 (0.07) | |||||||||
| RP magnitude | 18.64 (0.04) | |||||||||
| Pan g magnitude | 19.96 (0.05) | 19.96 (0.05) | ||||||||
| Pan r magnitude | 19.27 (0.009) | 19.27 (0.009) | ||||||||
| Pan i magnitude | 19.00 (0.009) | 19.00 (0.009) | ||||||||
| Pan z magnitude | 18.91 (0.007) | 18.91 (0.007) | ||||||||
| Pan y magnitude | 18.85 (0.05) | 18.85 (0.05) | ||||||||
| E(B-V) | 0.003 | |||||||||
* 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.