All names: GALEX J013812.7+010351, SDSS J013812.73+010350.5, PHL 1077, WD 0135+008, Gaia EDR3 2510507134400355328, Gaia DR2 2510507134400355328, SCHG 0135+008, SDSS J013812.73+010350.7, SDSS J013812.73+010350.8, Gaia DR3 2510507134400355328, UM 348, SDSS J013812.72+010350.5, LEDA 6052
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 38 12.72 (0.1) | 01 38 12.73 | 01 38 12.72 (0.3) | 01 38 12.73 (0.1) | 01 38 12.73 | 01 38 12.19 | 01 38 12.73 | |||||
| Declination | 01 03 50.56 (0.09) | 01 03 50.72 | 01 03 50.57 (0.2) | 01 03 50.80 (0.09) | 01 03 50.73 | 01 03 50.04 | 01 03 50.75 | |||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | ||||||
| Effective temperature | [K] | 73989.0 (4051) | 78960.0 (5560) | 79747.0 (4038) | 72622.0 (3349) | |||||||
| log(g) | [cgs] | 7.09 (0.1) | 6.81 (0.1) | 7.16 (0.2) | 7.12 (0.1) | |||||||
| Mass | [M☉] | 0.45 (0.03) | 0.43 (0.04) | 0.494 (0.03) | ||||||||
| log(Luminosity) | [L☉] | 1.43 (0.1) | ||||||||||
| Cooling age | [Gyr] | 0.0001 | 0.0000 | |||||||||
| 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] | 0.44 (0.2) | 0.47 (0.3) | 0.44 (0.2) | ||||||||
| Distance | [pc] | 2283.73 (875) | 2107.33 (1477) | 2283.63 (875) | ||||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.73881907 (0.2) | -6.421593174 (0.4) | -5.739 (0.2) | -8.3 | |||||||
| Proper motion (declination) | [mas/yr] | -14.60824741 (0.1) | -14.86642547 (0.3) | -14.608 (0.1) | -18.1 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.60 | |||||||||||
| V magnitude | 18.70 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 17.45 (0.01) | 17.45 (0.01) | 17.39 (0.02) | 17.39 | 17.41 (0.02) | |||||||
| g magnitude | 17.89 (0.006) | 17.90 (0.006) | 17.82 (0.02) | 17.82 | 17.83 (0.02) | |||||||
| r magnitude | 18.40 (0.008) | 18.41 (0.008) | 18.37 (0.01) | 18.37 (0.02) | ||||||||
| i magnitude | 18.78 (0.01) | 18.78 (0.01) | 18.75 (0.01) | 18.74 (0.01) | ||||||||
| z magnitude | 19.08 (0.04) | 19.08 (0.04) | 18.92 (0.04) | 18.91 (0.04) | ||||||||
| G magnitude | 18.11 (0.009) | 18.16 | 18.11 (0.003) | |||||||||
| BP magnitude | 17.95 (0.009) | 17.89 | ||||||||||
| RP magnitude | 18.48 (0.02) | 18.48 | ||||||||||
| Pan g magnitude | 17.90 (0.004) | |||||||||||
| Pan r magnitude | 18.40 (0.009) | |||||||||||
| Pan i magnitude | 18.76 (0.005) | |||||||||||
| Pan z magnitude | 19.04 (0.01) | |||||||||||
| Pan y magnitude | 19.12 (0.07) | |||||||||||
| E(B-V) | 0.028 | |||||||||||
* 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.