All names: GALEX J042435.2+293652, Gaia EDR3 165063427206958080, SDSS J042435.28+293651.6, Gaia DR3 165063427206958080, LAMOST J042435.27+293651.7, Gaia DR2 165063427206958080
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 04 24 35.27 (0.08) | 04 24 35.27 | 04 24 35.28 (0.08) | |||
| Declination | 29 36 51.79 (0.06) | 29 36 51.79 | 29 36 51.70 (0.06) | |||
| Spectral type | DA | DB | DA | |||
| Effective temperature | [K] | 14643.0 (367) | ||||
| log(g) | [cgs] | 7.11 (0.04) | ||||
| Mass | [M☉] | 0.245 (0.01) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.73 (0.09) | 3.73 | 3.73 (0.09) | ||
| Distance | [pc] | 267.97 (7) | 267.97 | 267.97 (7) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -5.468 (0.1) | -5.468 (0.1) | |||
| Proper motion (declination) | [mas/yr] | 5.403 (0.08) | 5.403 (0.08) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 17.17 (0.008) | |||||
| g magnitude | 17.29 | |||||
| r magnitude | 17.52 | |||||
| i magnitude | 17.69 | |||||
| z magnitude | 17.90 (0.02) | |||||
| G magnitude | 17.36 (0.003) | 17.36 | 17.36 (0.003) | |||
| BP magnitude | 17.33 (0.01) | |||||
| RP magnitude | 17.35 (0.02) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.189 | |||||
* 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.