All names: Gaia DR2 898830315959636992, SDSS J072620.78+370537.7, SDSS J072620.78+370537.6, SDSS J072620.77+370537.7, Gaia DR3 898830315959636992, Gaia EDR3 898830315959636992, GALEX J072620.7+370538
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 26 20.78 (0.5) | 07 26 20.78 | 07 26 20.78 (0.6) | 07 26 20.79 (0.5) | 07 26 20.78 | ||||
| Declination | 37 05 37.70 (0.5) | 37 05 37.70 | 37 05 37.70 (0.7) | 37 05 37.69 (0.5) | 37 05 37.74 | ||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 47194.0 (2854) | 43902.0 (1568) | ||||||
| log(g) | [cgs] | 7.76 (0.2) | 7.73 (0.1) | ||||||
| Mass | [M☉] | 0.57 (0.1) | 0.559 (0.06) | ||||||
| log(Luminosity) | [L☉] | 0.09 (0.2) | |||||||
| Cooling age | [Gyr] | 0.0023 (0.0007) | |||||||
| 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] | 0.78 (0.6) | 0.16 (0.9) | 0.78 (0.6) | |||||
| Distance | [pc] | 1289.16 (1040) | 6393.92 (38358) | 1289.16 (1040) | |||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -4.642234089 (0.6) | -3.949865422 (2) | -4.642 (0.6) | |||||
| Proper motion (declination) | [mas/yr] | 0.613611936 (0.4) | -0.596196378 (1) | 0.614 (0.4) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.40 (0.03) | 19.44 (0.03) | 19.44 (0.03) | ||||||
| g magnitude | 19.77 (0.02) | 19.75 (0.02) | 19.75 (0.02) | ||||||
| r magnitude | 20.18 (0.03) | 20.21 (0.03) | 20.21 (0.03) | ||||||
| i magnitude | 20.47 (0.05) | 20.56 (0.05) | 20.56 (0.05) | ||||||
| z magnitude | 21.08 (0.3) | 20.69 (0.2) | 20.69 (0.2) | ||||||
| G magnitude | 19.97 (0.08) | 20.04 | 19.97 (0.007) | ||||||
| BP magnitude | 19.89 (0.08) | 19.78 | |||||||
| RP magnitude | 19.78 (0.2) | 20.41 | |||||||
| Pan g magnitude | 19.79 (0.02) | ||||||||
| Pan r magnitude | 20.21 (0.02) | ||||||||
| Pan i magnitude | 20.56 (0.02) | ||||||||
| Pan z magnitude | 20.84 (0.03) | ||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.035 | ||||||||
* 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.