All names: SDSS J125629.33+610201.0, LP 96-9, LSPM J1256+6101, GALEX J125629.2+610200, SDSS J125629.34+610201.0, SDSS J125629.36+610201.1, Gaia EDR3 1579492163183241984, SDSS J125629.34+610200.9, Gaia DR2 1579492163183241984, SDSS J125629.36+610200.9, NLTT 32390, SDSS J125629.35+610201.1, Gaia DR3 1579492163183241984, WD 1254+613
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 56 28.94 (0.06) | 12 56 29.34 | 12 56 28.95 (0.09) | 12 56 28.94 | 12 56 29.39 (0.06) | 12 56 29.36 | 12 56 30.67 | 12 56 29.36 | ||||||
| Declination | 61 02 00.16 (0.06) | 61 02 01.00 | 61 02 00.18 (0.07) | 61 02 00.16 | 61 02 01.04 (0.06) | 61 02 00.92 | 61 01 59.16 | 61 02 01.11 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA5.4 | DA | DA | ||||||
| Effective temperature | [K] | 9380.0 (40) | 9320.0 (70) | 9039.0 (126) | 9321.0 (31) | 9209.0 (32) | ||||||||
| log(g) | [cgs] | 8.32 (0.05) | 8.18 (0.08) | 7.89 (0.03) | 8.34 (0.04) | 8.20 (0.05) | ||||||||
| Mass | [M☉] | 0.8 (0.03) | 0.71 (0.05) | 0.534 (0.02) | 0.715 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 1.1749 | ||||||||||||
| 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] | 9.31 (0.07) | 9.32 (0.1) | 9.31 | 9.31 (0.07) | |||||||||
| Distance | [pc] | 107.37 (0.8) | 107.34 (1) | 92.00 | 107.37 | 107.37 (0.8) | ||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -204.2268764 (0.08) | -204.3924769 (0.2) | -204.227 (0.08) | -196.8 | |||||||||
| Proper motion (declination) | [mas/yr] | -55.12542471 (0.08) | -55.01352956 (0.1) | -55.125 (0.08) | -57.5 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.98 (0.01) | 17.98 (0.01) | 18.02 (0.02) | 18.02 | 18.01 (0.02) | |||||||||
| g magnitude | 17.53 (0.005) | 17.53 (0.005) | 17.55 (0.02) | 17.55 | 17.55 (0.02) | |||||||||
| r magnitude | 17.56 (0.006) | 17.56 (0.006) | 17.57 (0.01) | 17.57 | 17.57 (0.01) | |||||||||
| i magnitude | 17.64 (0.007) | 17.64 (0.007) | 17.67 (0.02) | 17.66 | 17.66 (0.02) | |||||||||
| z magnitude | 17.76 (0.02) | 17.76 (0.02) | 17.81 (0.04) | 17.81 | 17.82 (0.04) | |||||||||
| G magnitude | 17.49 (0.008) | 17.52 | 17.49 | 17.49 (0.003) | ||||||||||
| BP magnitude | 17.59 (0.008) | 17.58 | ||||||||||||
| RP magnitude | 17.34 (0.01) | 17.30 | ||||||||||||
| Pan g magnitude | 17.53 (0.003) | |||||||||||||
| Pan r magnitude | 17.54 (0.006) | |||||||||||||
| Pan i magnitude | 17.65 (0.004) | |||||||||||||
| Pan z magnitude | 17.78 (0.01) | |||||||||||||
| Pan y magnitude | 17.90 (0.01) | |||||||||||||
| E(B-V) | 0.008 | |||||||||||||
* 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.