All names: GSC 02263-00616, Gaia DR2 2874319284171715968, EUVE J0007+33.2, UCAC4 617-000381, WDJ000732.26+331727.61, RE J0007+33, 2RE J0007+331, GD 2, RE J000733+331748, GALEX J000732.0+331727, FBS B 430, GEN# +6.10060002, EUVE J0007+33.3, 2RE J000732+331755, [CL2016] GD2 34, WD 0004+330, Gaia EDR3 2874319284171715968, Gaia DR3 2874319284171715968, FBS 0004+330, EGGR 203, TIC 354537884, 2MASS J00073225+3317275, GCRV 21682, RE J0007+331, 2EUVE J0007+33.2, LAMOST J000732.26+331727.6, USNO-A2.0 1200-00063945, WD 0004+33, 1SWASP J000732.24+331727.7, 1RXS J000732.4+331730
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025b | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 07 32.16 (0.02) | 00 07 32.16 (0.04) | 00 07 32.16 | 00 07 32.26 (0.02) | 00 07 32.95 | ||||||
| Declination | 33 17 26.62 (0.02) | 33 17 26.65 (0.02) | 33 17 26.62 | 33 17 27.61 (0.02) | 33 17 29.76 | ||||||
| Spectral type | DA | DA | DA | DA | DA1.0 | DA | |||||
| Effective temperature | [K] | 56887.0 (2302) | 56011.0 (1156) | 49980.0 (898) | |||||||
| log(g) | [cgs] | 7.81 (0.02) | 7.96 (0.07) | 7.77 (0.06) | |||||||
| Mass | [M☉] | 0.614 (0.01) | 0.69 (0.03) | 0.59 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| 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] | 9.94 (0.04) | 9.97 (0.05) | 9.94 | 9.94 (0.04) | ||||||
| Distance | [pc] | 100.62 (0.4) | 100.31 (0.6) | 103.00 | 100.62 | 100.62 (0.4) | |||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -77.89500205 (0.03) | -77.94964232 (0.06) | -77.895 (0.04) | |||||||
| Proper motion (declination) | [mas/yr] | -61.68462523 (0.02) | -61.73061096 (0.04) | -61.685 (0.02) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 13.48 (0.01) | ||||||||||
| V magnitude | 13.79 (0.007) | ||||||||||
| R magnitude | 13.94 (0.005) | ||||||||||
| I magnitude | 14.12 (0.004) | ||||||||||
| J magnitude | 14.51 (0.03) | ||||||||||
| H magnitude | 14.65 (0.05) | ||||||||||
| K magnitude | 14.73 (0.09) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | 13.50 (0.05) | ||||||||||
| r magnitude | 14.01 (0.04) | ||||||||||
| i magnitude | 14.37 (0.05) | ||||||||||
| z magnitude | |||||||||||
| G magnitude | 13.76 (0.001) | 13.76 (0.003) | 13.77 | 13.76 | 13.76 (0.003) | ||||||
| BP magnitude | 13.59 (0.001) | 13.59 (0.003) | 13.54 | ||||||||
| RP magnitude | 14.08 (0.0008) | 14.08 (0.004) | 14.08 | ||||||||
| Pan g magnitude | 13.55 (0.001) | 13.55 (0.001) | |||||||||
| Pan r magnitude | 14.05 (0.005) | 14.05 (0.005) | |||||||||
| Pan i magnitude | 14.43 (0.002) | 14.43 (0.002) | |||||||||
| Pan z magnitude | 14.70 (0.005) | 14.70 (0.004) | |||||||||
| Pan y magnitude | 14.90 (0.002) | 14.90 (0.002) | |||||||||
| 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.