All names: UCAC2 17179437, 2MASS J01101862-3400256, WD 0107-34, GD 687, MCT 0107-3416, MCT0107-3416, Gaia DR2 5026270179195363328, 1SWASP J011018.59-340025.5, UCAC4 280-001167, TIC 67598107, Gaia DR3 5026270179195363328, GALEX J011018.6-340023, Gaia EDR3 5026270179195363328, WD 0107-342
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 01 10 18.62 (0.03) | 01 10 18.58 | 01 10 18.62 (0.04) | 01 10 18.62 (0.03) | 01 10 19.30 | ||
| Declination | -34 00 25.94 (0.02) | -34 00 25.44 | -34 00 25.93 (0.03) | -34 00 25.71 (0.02) | -34 00 26.64 | ||
| Spectral type | sdB+WD | sdBHe1 | sd | ||||
| Effective temperature | [K] | 24350.0 (500) | |||||
| log(g) | [cgs] | 5.32 (0.05) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 1.20 (0.04) | 1.12 (0.06) | 1.12 (0.06) | 1.20 (0.04) | ||
| Distance | [pc] | 829.99 (27) | 891.74 (44) | 891.72 (44) | 830.01 (27) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -2.586083872 (0.03) | -2.547 (0.06) | -2.547092262 (0.06) | -2.586 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -14.24265487 (0.03) | -14.15 (0.07) | -14.14961658 (0.07) | -14.243 (0.03) | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 13.89 (0.04) | ||||||
| V magnitude | 14.08 (0.03) | ||||||
| R magnitude | 14.39 (0.07) | ||||||
| I magnitude | |||||||
| J magnitude | 14.62 (0.03) | 14.62 (0.03) | |||||
| H magnitude | 14.87 (0.08) | 14.87 (0.08) | |||||
| K magnitude | 14.72 (0.1) | 14.72 (0.1) | |||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 14.07 (0.0008) | 14.09 (0.0003) | 14.09 | 14.07 (0.003) | |||
| BP magnitude | 13.95 (0.0008) | 13.88 (0.005) | 13.88 | ||||
| RP magnitude | 14.32 (0.0009) | 14.32 (0.001) | 14.32 | ||||
| Pan g magnitude | 15.18 | ||||||
| Pan r magnitude | 15.18 | ||||||
| Pan i magnitude | 14.67 (0.002) | ||||||
| Pan z magnitude | 15.26 | ||||||
| Pan y magnitude | 15.39 | ||||||
| E(B-V) | 0.007 | ||||||
* 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.