All names: SDSS J094557.25+413041.6, Gaia DR3 801621702671921664, Gaia DR2 801621702671921664, WD 0942+417, SDSS J094557.26+413041.7, GALEX J094557.2+413042, 2MASS J09455732+4130419, Gaia EDR3 801621702671921664, TIC 17235959
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 09 45 57.27 (0.04) | 09 45 57.30 | 09 45 57.27 (0.08) | 09 45 57.31 (0.04) | 09 45 56.86 | ||
| Declination | 41 30 41.83 (0.04) | 41 30 42.11 | 41 30 41.84 (0.09) | 41 30 42.08 (0.04) | 41 30 38.16 | ||
| Spectral type | D+M | WD M | |||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 3.75 (0.05) | 3.63 (0.1) | 3.75 (0.05) | |||
| Distance | [pc] | 266.81 (4) | 275.20 (1e+01) | 266.81 (4) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -30.2025404 (0.04) | -30.14933956 (0.2) | -30.203 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -15.5631917 (0.05) | -15.5718436 (0.2) | -15.563 (0.05) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 13.73 (0.03) | ||||||
| H magnitude | 13.12 (0.03) | ||||||
| K magnitude | 12.91 (0.03) | ||||||
| u magnitude | 20.82 (0.09) | 19.71 (0.04) | 19.75 | ||||
| g magnitude | 18.10 (0.006) | 19.13 (0.01) | 19.26 | ||||
| r magnitude | 16.45 (0.004) | 17.76 (0.007) | 17.96 | ||||
| i magnitude | 15.57 (0.004) | 17.67 (0.009) | 17.87 | ||||
| z magnitude | 15.13 (0.005) | 20.26 (0.3) | 20.41 | ||||
| G magnitude | 16.23 (0.01) | 16.25 | 16.23 (0.003) | ||||
| BP magnitude | 17.33 (0.01) | 17.34 | |||||
| RP magnitude | 15.14 (0.002) | 15.15 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.013 | ||||||
* 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.