All names: uvby98 680004602, 2MASS J00483789+0802447, TIC 293394054, PB 6173, SDSS J004837.89+080244.7, Gaia EDR3 2557632997336214016, GALEX J004837.9+080246, Gaia DR3 2557632997336214016, Gaia DR2 2557632997336214016, WD 0046+077, PG 0046+078
| 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 | 00 48 37.89 (0.05) | 00 48 37.89 (0.06) | 00 48 37.89 | 00 48 37.89 (0.05) | 00 48 37.66 | ||||
| Declination | 08 02 44.57 (0.03) | 08 02 44.58 (0.04) | 08 02 44.57 | 08 02 44.86 (0.03) | 08 02 44.88 | ||||
| Spectral type | DOZ | DO | DO | DO.7 | |||||
| Effective temperature | [K] | 73000.0 | 56205.0 (4296) | ||||||
| log(g) | [cgs] | 8.00 | 7.66 (0.03) | ||||||
| Mass | [M☉] | 0.68 | 0.516 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | -3 | ||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.85 (0.06) | 3.59 (0.07) | 3.85 | 3.85 (0.06) | ||||
| Distance | [pc] | 259.81 (4) | 278.42 (6) | 259.81 | 259.81 (4) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 8.009204181 (0.08) | 8.218319293 (0.1) | 8.009 (0.08) | |||||
| Proper motion (declination) | [mas/yr] | -18.09860881 (0.06) | -17.9085263 (0.08) | -18.099 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.59 | ||||||||
| V magnitude | 15.59 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.26 (0.01) | ||||||||
| H magnitude | |||||||||
| K magnitude | 16.47 (0.05) | ||||||||
| u magnitude | 14.85 (0.02) | ||||||||
| g magnitude | 15.26 (0.03) | ||||||||
| r magnitude | 15.79 (0.03) | ||||||||
| i magnitude | 16.13 (0.02) | ||||||||
| z magnitude | 16.45 (0.02) | ||||||||
| G magnitude | 15.52 (0.002) | 15.53 | 15.52 | 15.52 (0.003) | |||||
| BP magnitude | 15.36 (0.002) | 15.29 | |||||||
| RP magnitude | 15.83 (0.002) | 15.82 | |||||||
| Pan g magnitude | 15.37 (0.006) | ||||||||
| Pan r magnitude | 15.79 (0.004) | ||||||||
| Pan i magnitude | 16.16 (0.003) | ||||||||
| Pan z magnitude | 16.44 (0.003) | ||||||||
| Pan y magnitude | 16.64 (0.005) | ||||||||
| E(B-V) | 0.024 | ||||||||
* 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.