All names: SDSS J100216.05+334306.8, WD 0959+339, SDSS J100216.05+334306.9, USNO-B1.0 1237-00193722, SDSS J100216.04+334306.8, Gaia EDR3 747003286468825856, Gaia DR3 747003286468825856, CBS 120, Gaia DR2 747003286468825856, GALEX J100216.0+334307
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 02 16.04 (0.1) | 10 02 16.04 (0.2) | 10 02 16.04 | 10 02 16.06 (0.1) | 10 02 16.01 | |||
| Declination | 33 43 06.81 (0.09) | 33 43 06.82 (0.2) | 33 43 06.81 | 33 43 06.94 (0.09) | 33 43 30.36 | |||
| Spectral type | DB | DB | DB | DB | ||||
| Effective temperature | [K] | 20141.0 (1490) | ||||||
| log(g) | [cgs] | 8.26 (0.07) | ||||||
| Mass | [M☉] | 0.756 (0.07) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 3.76 (0.2) | 3.86 (0.2) | 3.76 | 3.76 (0.2) | |||
| Distance | [pc] | 265.92 (11) | 259.14 (15) | 265.92 | 265.92 (11) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -22.64564392 (0.2) | -22.61971138 (0.3) | -22.646 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -8.23032535 (0.1) | -8.464338385 (0.3) | -8.23 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.70 | |||||||
| V magnitude | ||||||||
| R magnitude | 18.30 | |||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 17.94 (0.01) | |||||||
| g magnitude | 18.02 (0.006) | |||||||
| r magnitude | 18.34 (0.008) | |||||||
| i magnitude | 18.61 (0.01) | |||||||
| z magnitude | 18.94 (0.04) | |||||||
| G magnitude | 18.19 (0.01) | 18.22 | 18.19 | 18.19 (0.003) | ||||
| BP magnitude | 18.10 (0.01) | 18.06 | ||||||
| RP magnitude | 18.36 (0.02) | 18.23 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.016 | |||||||
* 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.