All names: USNO-A2.0 1275-07651149, Gaia EDR3 802193994179527680, Gaia DR3 802193994179527680, Gaia DR2 802193994179527680, SDSS J100638.29+382344.6, GALEX 2684297140639891846
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 06 38.27 (0.2) | 10 06 38.29 | 10 06 38.27 (0.3) | 10 06 38.27 | 10 06 38.29 (0.3) | 10 06 38.29 | ||||||
| Declination | 38 23 44.43 (0.2) | 38 23 44.66 | 38 23 44.44 (0.3) | 38 23 44.43 | 38 23 44.78 (0.3) | 38 23 44.65 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 10715.0 | 10782.0 | 10122.0 (584) | 11362.0 (292) | |||||||
| log(g) | [cgs] | 8.35 | 8.29 | 7.96 (0.1) | 9.36 (0.4) | |||||||
| Mass | [M☉] | 0.826 | 0.769 | 0.556 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.8513 | 0.7964 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 4.21 (0.2) | 4.78 (0.4) | 4.21 | 4.78 (0.4) | |||||||
| Distance | [pc] | 237.76 (14) | 209.15 (19) | 237.76 | 209.15 (19) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -16.68663329 (0.2) | -16.80372237 (0.5) | -16.804 (0.5) | ||||||||
| Proper motion (declination) | [mas/yr] | -21.6042572 (0.2) | -21.81790558 (0.5) | -21.818 (0.5) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.20 (0.3) | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.70 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.13 (0.02) | 19.13 (0.02) | 19.14 (0.03) | |||||||||
| g magnitude | 19.06 (0.009) | 19.06 (0.009) | 19.07 (0.03) | |||||||||
| r magnitude | 19.19 (0.01) | 19.19 (0.01) | 19.20 (0.03) | |||||||||
| i magnitude | 19.37 (0.02) | 19.37 (0.02) | 19.36 (0.04) | |||||||||
| z magnitude | 19.56 (0.05) | 19.56 (0.05) | 19.57 (0.05) | |||||||||
| G magnitude | 19.10 (0.03) | 19.15 | 19.10 | 19.15 (0.004) | ||||||||
| BP magnitude | 19.15 (0.03) | 19.12 | ||||||||||
| RP magnitude | 19.08 (0.03) | 18.97 | ||||||||||
| Pan g magnitude | 19.08 (0.006) | |||||||||||
| Pan r magnitude | 19.21 (0.01) | |||||||||||
| Pan i magnitude | 19.37 (0.008) | |||||||||||
| Pan z magnitude | 19.56 (0.02) | |||||||||||
| Pan y magnitude | 19.57 (0.08) | |||||||||||
| E(B-V) | 0.014 | |||||||||||
* 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.