All names: GALEX J000705.1+062534, PHL 670, SDSS J000705.16+062533.4, WD 0004+061, PG 0004+061, SDSS J000705.15+062533.5, Gaia DR3 2745545753636701184, Gaia DR2 2745545753636701184, Gaia EDR3 2745545753636701184, SDSS J000705.17+062533.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 07 05.18 (0.05) | 00 07 05.15 | 00 07 05.18 (0.07) | 00 07 05.18 | 00 07 05.13 (0.05) | 00 07 04.94 | ||||||
| Declination | 06 25 33.16 (0.04) | 06 25 33.54 | 06 25 33.17 (0.05) | 06 25 33.16 | 06 25 33.61 (0.04) | 06 25 30.00 | ||||||
| Spectral type | DA | DA | DA2.1 | DA3.5 | DA | |||||||
| Effective temperature | [K] | 24400.0 (386) | 15120.0 (332) | 23675.0 (388) | ||||||||
| log(g) | [cgs] | 8.51 (0.05) | 7.84 (0.05) | 8.39 (0.01) | ||||||||
| Mass | [M☉] | 0.94 (0.03) | 0.52 (0.03) | 0.867 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -2.00 | ||||||||||
| Cooling age | [Gyr] | 0.1820 | ||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 9.52 (0.06) | 9.50 (0.08) | 9.52 | 9.52 (0.06) | |||||||
| Distance | [pc] | 105.04 (0.6) | 105.31 (0.9) | 100.00 | 112.00 | 105.04 | 105.04 (0.6) | |||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 50.31405654 (0.07) | 50.48334332 (0.2) | 50.314 (0.07) | ||||||||
| Proper motion (declination) | [mas/yr] | -28.16027051 (0.05) | -27.96501709 (0.1) | -28.16 (0.05) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.20 | |||||||||||
| V magnitude | 16.23 | 16.40 | ||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 15.84 (0.005) | 15.85 (0.005) | ||||||||||
| g magnitude | 16.00 (0.004) | 16.00 (0.004) | ||||||||||
| r magnitude | 16.41 (0.006) | 16.41 (0.006) | ||||||||||
| i magnitude | 16.72 (0.006) | 16.73 (0.006) | ||||||||||
| z magnitude | 17.01 (0.01) | 17.01 (0.01) | ||||||||||
| G magnitude | 16.21 (0.002) | 16.23 | 16.21 | 16.21 (0.003) | ||||||||
| BP magnitude | 16.11 (0.002) | 16.07 | ||||||||||
| RP magnitude | 16.44 (0.004) | 16.43 | ||||||||||
| Pan g magnitude | 16.05 (0.002) | |||||||||||
| Pan r magnitude | 16.42 (0.004) | |||||||||||
| Pan i magnitude | 16.75 (0.002) | |||||||||||
| Pan z magnitude | 17.01 (0.005) | |||||||||||
| Pan y magnitude | 17.19 (0.01) | |||||||||||
| E(B-V) | 0.005 | |||||||||||
* 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.