All names: WD 0632+409, Gaia DR2 957295438016687616, G107-9, 0632+409, WDJ063629.99+405428.14, G 107-9, PSO J099.1245+40.9070, USNO-B1.0 1309-00172816, 06364+4054, J0636+4054, Gaia EDR3 957295438016687616, LSPM J0636+4054, NLTT 16718, GALEX J063629.9+405427, 2MASS J06362993+4054282, TIC 309511160, WD 0632+40, Gaia DR3 957295438016687616, PM J06364+4054
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Leggett et al. 2018 | Gaia DR2 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 06 36 29.87 (0.06) | 06 36 29.88 (0.07) | 06 36 29.88 (0.07) | 06 36 29.87 | 06 36 29.99 (0.06) | 06 36 29.88 | 06 36 30.00 | |||||||||
| Declination | 40 54 24.63 (0.05) | 40 54 24.74 (0.06) | 40 54 24.74 (0.06) | 40 54 24.63 | 40 54 28.15 (0.05) | 40 54 24.74 | 40 54 34.56 | |||||||||
| Spectral type | DA | DA | DA | DA | DA6.4 | DA | DA | DA | DA6.3 | DA6 | ||||||
| Effective temperature | [K] | 7826.0 (113) | 7887.0 (46) | 7569.2 (91) | 7720.0 (80) | 7874.0 (223) | 7860.0 (120) | 7980.0 (122) | 7902.0 (73) | |||||||
| log(g) | [cgs] | 8.42 (0.03) | 8.45 (0.008) | 8.37 (0.03) | 8.41 (0.02) | 8.46 (0.05) | 8.73 (0.08) | 8.82 (0.08) | 8.45 (0.01) | |||||||
| Mass | [M☉] | 0.866 (0.02) | 0.881 (0.008) | 0.857 (0.01) | 0.89 (0.04) | 1.06 (0.04) | 1.11 (0.04) | 0.883 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -3.73 | ||||||||||||||
| Cooling age | [Gyr] | 2.8100 | 2.6400 (0.1) | 2.7300 (0.3) | ||||||||||||
| 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] | 25.21 (0.06) | 25.21 (0.06) | 25.21 (0.08) | 25.21 (0.08) | 25.21 (0.08) | 25.52 (0.7) | 25.21 (0.08) | 25.21 | 25.21 (0.06) | 25.21 (0.08) | |||||
| Distance | [pc] | 39.67 (0.1) | 39.67 (0.09) | 39.67 (0.1) | 39.66 (0.1) | 39.66 (0.1) | 39.18 (1) | 39.66 (0.1) | 29.70 (1) | 29.00 | 39.67 | 39.67 (0.1) | 39.66 (0.1) | |||
| Composition | H | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -84.43975835 (0.07) | -84.99833723 (0.1) | -84.44 (0.07) | -84.99833723 | |||||||||||
| Proper motion (declination) | [mas/yr] | -219.8139183 (0.06) | -219.5023599 (0.1) | -219.814 (0.06) | -219.5023599 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.10 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 16.70 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.23 (0.01) | 16.06 (0.08) | 16.06 (0.08) | |||||||||||||
| H magnitude | 16.08 (0.2) | 16.11 (0.2) | 16.11 (0.2) | |||||||||||||
| K magnitude | 15.76 (0.2) | 15.76 (0.2) | 15.76 (0.2) | |||||||||||||
| u magnitude | ||||||||||||||||
| g magnitude | 16.80 (0.006) | |||||||||||||||
| r magnitude | 16.71 (0.003) | |||||||||||||||
| i magnitude | 16.75 (0.005) | |||||||||||||||
| z magnitude | 16.82 (0.006) | |||||||||||||||
| G magnitude | 16.67 (0.004) | 16.69 | 16.69 | 16.67 | 16.67 (0.003) | 16.69 | ||||||||||
| BP magnitude | 16.81 (0.004) | 16.79 | 16.79 | |||||||||||||
| RP magnitude | 16.42 (0.006) | 16.40 | 16.40 | |||||||||||||
| Pan g magnitude | 16.80 (0.006) | 16.80 (0.006) | 16.80 (0.006) | |||||||||||||
| Pan r magnitude | 16.71 (0.003) | 16.71 (0.003) | 16.71 (0.003) | |||||||||||||
| Pan i magnitude | 16.75 (0.005) | 16.75 (0.005) | 16.75 (0.005) | |||||||||||||
| Pan z magnitude | 16.82 (0.006) | 16.82 (0.006) | 16.82 (0.006) | |||||||||||||
| Pan y magnitude | 16.88 (0.005) | 16.88 (0.005) | 16.88 (0.005) | |||||||||||||
| E(B-V) | 0.001 | |||||||||||||||
* 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.