All names: Gaia DR2 2507720048517882240, SDSS J015559.39+000140.3, 2SLAQ J015559.39+000140.2, SDSS J015559.39+000140.2, Gaia EDR3 2507720048518029952, GALEX J015559.2+000139, Gaia DR3 2507720048518029952
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 01 55 59.42 (0.5) | 01 55 59.39 (0.5) | |||
| Declination | 00 01 40.26 (0.4) | 00 01 40.28 (0.4) | |||
| Spectral type | DA | DA | |||
| 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] | 2.85 (0.6) | 2.85 (0.6) | ||
| Distance | [pc] | 351.05 (71) | 351.05 (71) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 29.151 (0.6) | 29.151 (0.6) | ||
| Proper motion (declination) | [mas/yr] | -1.049 (0.5) | -1.049 (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 | 20.60 (0.07) | ||||
| g magnitude | 20.07 (0.02) | ||||
| r magnitude | 20.07 (0.02) | ||||
| i magnitude | 20.15 (0.03) | ||||
| z magnitude | 20.27 (0.2) | ||||
| G magnitude | 20.04 (0.007) | 20.04 (0.007) | |||
| BP magnitude | 20.12 (0.07) | ||||
| RP magnitude | 19.85 (0.09) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.027 | ||||
* 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.