All names: USNO-B1.0 1200-00015029, Gaia EDR3 311514257152551936, WD 0103+297, Gaia DR2 311514257152551936, SDSS J010612.82+300328.0, GALEX J010612.8+300327, Gaia DR3 311514257152551936, HS 0103+2947
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Dreizler et al. 1996 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 06 12.85 (0.1) | 01 06 12.84 (0.1) | 01 06 12.85 | 01 06 12.81 (0.1) | 01 06 12.50 | |||
| Declination | 30 03 28.09 (0.07) | 30 03 28.09 (0.1) | 30 03 28.09 | 30 03 28.25 (0.07) | 30 03 26.28 | |||
| Spectral type | DO | DO | DO | DO | ||||
| Effective temperature | [K] | 49500.0 | 49767.0 (21807) | |||||
| log(g) | [cgs] | 8.00 | 7.82 (0.3) | |||||
| Mass | [M☉] | 0.65 | 0.564 (0.2) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | <-1.3 | |||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.04 (0.1) | 1.79 (0.2) | 2.04 | 2.04 (0.1) | |||
| Distance | [pc] | 490.27 (25) | 557.65 (47) | 490.27 | 490.27 (25) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 30.77407411 (0.1) | 30.78420481 (0.3) | 30.774 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -10.03041646 (0.08) | -10.12490757 (0.2) | -10.03 (0.08) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.60 | |||||||
| V magnitude | ||||||||
| R magnitude | 17.60 | |||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 17.34 (0.006) | 17.38 | 17.34 | 17.34 (0.003) | ||||
| BP magnitude | 17.21 (0.006) | 17.17 | ||||||
| RP magnitude | 17.64 (0.02) | 17.62 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.046 | |||||||
* 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.