All names: GALEX J103836.1+301127, SDSS J103836.12+301126.8, Gaia DR2 735462640624847616, Gaia DR3 735462640624847616, SDSS J103836.11+301126.7, Gaia EDR3 735462640624847616
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 38 36.12 (0.4) | 10 38 36.11 | 10 38 36.12 (0.7) | 10 38 36.11 (0.4) | 10 38 36.12 | |||||
| Declination | 30 11 26.66 (0.5) | 30 11 26.78 | 30 11 26.66 (0.8) | 30 11 26.86 (0.5) | 30 11 26.78 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 31787.0 (1467) | 31285.0 (913) | |||||||
| log(g) | [cgs] | 7.67 (0.3) | 7.60 (0.2) | |||||||
| Mass | [M☉] | 0.49 (0.1) | 0.49 (0.09) | |||||||
| log(Luminosity) | [L☉] | -0.57 (0.2) | ||||||||
| Cooling age | [Gyr] | 0.0065 (0.002) | ||||||||
| 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] | 1.27 (0.5) | 1.57 (0.8) | 1.27 (0.5) | ||||||
| Distance | [pc] | 785.33 (299) | 636.32 (341) | 785.36 (299) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 3.057343614 (0.5) | 4.016764211 (1) | 3.057 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | -12.90277791 (0.5) | -13.78874124 (1) | -12.903 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.70 (0.04) | 19.70 (0.04) | 19.72 (0.05) | |||||||
| g magnitude | 19.85 (0.01) | 19.85 (0.01) | 19.85 (0.02) | |||||||
| r magnitude | 20.39 (0.03) | 20.39 (0.03) | 20.37 (0.03) | |||||||
| i magnitude | 20.81 (0.06) | 20.81 (0.06) | 20.79 (0.06) | |||||||
| z magnitude | 20.93 (0.3) | 20.93 (0.3) | 20.87 (0.3) | |||||||
| G magnitude | 20.12 (0.05) | 20.17 | 20.12 (0.007) | |||||||
| BP magnitude | 19.98 (0.05) | 20.01 | ||||||||
| RP magnitude | 20.26 (0.1) | 20.71 | ||||||||
| Pan g magnitude | 19.96 (0.02) | |||||||||
| Pan r magnitude | 20.34 (0.04) | |||||||||
| Pan i magnitude | 20.74 (0.04) | |||||||||
| Pan z magnitude | 20.84 (0.1) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.021 | |||||||||
* 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.