All names: WISE J103844.60+110054.1, SDSS J103844.58+110053.5, WISEA J103844.57+110054.4, GALEX J103844.5+110053, Gaia DR3 3870672287192140800, ULAS J103844.57+110053.8, Gaia DR2 3870672287192140800
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 10 38 44.55 | 10 38 44.59 (0.3) | |
| Declination | 11 00 53.56 | 11 00 53.55 (0.2) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 9748.0 (458) | |
| log(g) | [cgs] | 7.68 (0.1) | |
| Mass | [M☉] | 0.433 (0.09) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 3.73 | 3.73 (0.3) |
| Distance | [pc] | 267.88 | 267.87 (20) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -39.509 (0.3) | |
| Proper motion (declination) | [mas/yr] | 0.285 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 18.40 (0.07) | ||
| H magnitude | 17.99 (0.05) | ||
| K magnitude | 17.40 (0.09) | ||
| u magnitude | 19.37 (0.03) | ||
| g magnitude | 18.97 (0.03) | ||
| r magnitude | 19.03 (0.02) | ||
| i magnitude | 19.20 (0.02) | ||
| z magnitude | 19.32 (0.07) | ||
| G magnitude | 19.03 | 19.03 (0.004) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.