All names: SDSS J011223.08+112336.0, TIC 257914663, Gaia DR2 2583458635686968320, Gaia DR3 2583458635686968320, UCAC4 507-001748, PG 0109+111, GALEX J011223.0+112336, WD 0109+111, WISEA J011223.09+112336.3, 2MASS J01122305+1123363, EGGR 901, WISE J011223.08+112336.2, Gaia EDR3 2583458635686968320
| 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 | 01 12 23.13 (0.05) | 01 12 23.12 (0.08) | 01 12 23.13 | 01 12 23.06 (0.05) | 01 12 22.82 | ||||
| Declination | 11 23 35.96 (0.04) | 11 23 35.97 (0.05) | 11 23 35.96 | 11 23 36.10 (0.04) | 11 23 30.48 | ||||
| Spectral type | DOZ | DO | DOZ.7 | DOZ.7 | |||||
| Effective temperature | [K] | 110000.0 | 95736.0 (6104) | ||||||
| log(g) | [cgs] | 8.00 | 7.93 (0.04) | ||||||
| Mass | [M☉] | 0.74 | 0.688 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | -3 | ||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.98 (0.06) | 3.99 (0.09) | 3.98 | 3.98 (0.06) | ||||
| Distance | [pc] | 251.54 (4) | 250.44 (6) | 251.54 | 251.54 (4) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 60.42068003 (0.08) | 60.42694471 (0.2) | 60.421 (0.08) | |||||
| Proper motion (declination) | [mas/yr] | -8.498100833 (0.05) | -8.50326585 (0.1) | -8.498 (0.05) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.15 (0.04) | ||||||||
| V magnitude | 15.40 (0.05) | ||||||||
| R magnitude | 15.69 | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.13 (0.1) | ||||||||
| H magnitude | 16.05 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 15.14 (0.01) | ||||||||
| r magnitude | 15.65 (0.02) | ||||||||
| i magnitude | 16.02 (0.2) | ||||||||
| z magnitude | |||||||||
| G magnitude | 15.32 (0.002) | 15.33 | 15.32 | 15.32 (0.003) | |||||
| BP magnitude | 15.15 (0.002) | 15.09 | |||||||
| RP magnitude | 15.64 (0.003) | 15.63 | |||||||
| Pan g magnitude | 15.14 (0.003) | ||||||||
| Pan r magnitude | 15.58 (0.009) | ||||||||
| Pan i magnitude | 15.97 (0.003) | ||||||||
| Pan z magnitude | 16.25 (0.003) | ||||||||
| Pan y magnitude | 16.43 (0.01) | ||||||||
| E(B-V) | 0.026 | ||||||||
* 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.