All names: Gaia DR3 813941657446972416, Gaia DR2 813941657446972416, Gaia EDR3 813941657446972416, SDSS J094111.40+423921.10, SDSS J094111.40+423921.2, GALEX J094111.4+423922, SDSS J094111.40+423921.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 41 11.41 (0.3) | 09 41 11.40 | 09 41 11.41 (0.4) | 09 41 11.41 (0.3) | ||||||
| Declination | 42 39 21.25 (0.2) | 42 39 21.27 | 42 39 21.25 (0.4) | 42 39 21.29 (0.2) | ||||||
| Spectral type | DA | DAH: | DAH | DA | ||||||
| Effective temperature | [K] | 43006.0 (1863) | 45675.0 (1314) | |||||||
| log(g) | [cgs] | 7.63 (0.2) | 8.16 (0.1) | |||||||
| Mass | [M☉] | 0.51 (0.07) | ||||||||
| log(Luminosity) | [L☉] | 0.00 (0.1) | ||||||||
| Cooling age | [Gyr] | 0.0025 (0.0009) | ||||||||
| 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] | 0.94 (0.4) | 0.64 (0.6) | 0.94 (0.4) | ||||||
| Distance | [pc] | 1069.51 (414) | 1573.55 (1436) | 1069.52 (414) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.604631696 (0.3) | 2.147353183 (0.7) | 2.605 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -2.697736752 (0.3) | -2.704436873 (0.7) | -2.698 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.91 (0.02) | 18.91 (0.02) | 18.91 (0.02) | |||||||
| g magnitude | 19.27 (0.01) | 19.27 (0.01) | 19.27 (0.01) | |||||||
| r magnitude | 19.82 (0.02) | 19.82 (0.02) | 19.82 (0.02) | |||||||
| i magnitude | 20.19 (0.04) | 20.19 (0.04) | 20.18 (0.04) | |||||||
| z magnitude | 20.59 (0.2) | 20.59 (0.2) | 20.59 (0.2) | |||||||
| G magnitude | 19.52 (0.04) | 19.57 | 19.52 (0.005) | |||||||
| BP magnitude | 19.42 (0.04) | 19.25 | ||||||||
| RP magnitude | 19.76 (0.07) | 19.58 | ||||||||
| Pan g magnitude | 19.31 (0.01) | |||||||||
| Pan r magnitude | 19.75 (0.02) | |||||||||
| Pan i magnitude | 20.07 (0.02) | |||||||||
| Pan z magnitude | 20.36 (0.04) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.018 | |||||||||
* 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.