All names: Gaia DR2 3125897813875563904, UCAC2 32333751, Lanning 14, WD 0640+015, WD 0640+01, Gaia EDR3 3125897813875563904, ATO J100.8167+01.5035, Gaia DR3 3125897813875563904, UCAC4 458-022614, Lan 14
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Dreizler et al. 1996 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 06 43 16.02 (0.05) | 06 43 16.02 (0.06) | 06 43 16.02 | 06 43 16.01 (0.05) | 06 43 14.50 | ||||
| Declination | 01 30 12.67 (0.05) | 01 30 12.67 (0.06) | 01 30 12.67 | 01 30 12.78 (0.05) | 01 30 03.60 | ||||
| Spectral type | DO | DO | DO | DO1 | |||||
| Effective temperature | [K] | 58000.0 | 51574.0 (6019) | ||||||
| log(g) | [cgs] | 7.90 | 7.84 (0.04) | ||||||
| Mass | [M☉] | 0.61 | 0.578 (0.03) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | <-0.83 | ||||||||
| log(C/He) | <-4 | ||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.97 (0.06) | 4.03 (0.07) | 3.97 | 3.97 (0.06) | ||||
| Distance | [pc] | 251.87 (4) | 247.87 (4) | 251.87 | 251.86 (4) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 8.561762585 (0.06) | 8.552579812 (0.1) | 8.562 (0.06) | |||||
| Proper motion (declination) | [mas/yr] | -7.20944277 (0.05) | -7.321993042 (0.1) | -7.209 (0.05) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.64 (0.05) | ||||||||
| V magnitude | 15.83 (0.07) | ||||||||
| R magnitude | 16.13 (0.08) | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 15.58 (0.01) | ||||||||
| r magnitude | 16.16 (0.01) | ||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.75 (0.01) | 15.77 | 15.75 | 15.75 (0.004) | |||||
| BP magnitude | 15.58 (0.01) | 15.40 | |||||||
| RP magnitude | 16.10 (0.008) | 16.07 | |||||||
| Pan g magnitude | 15.60 (0.02) | ||||||||
| Pan r magnitude | 16.03 (0.01) | ||||||||
| Pan i magnitude | 16.43 (0.004) | ||||||||
| Pan z magnitude | 16.69 (0.005) | ||||||||
| Pan y magnitude | 16.92 (0.01) | ||||||||
| 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.