All names: Gaia DR3 923545791163296640, GALEX J073828.1+395054, Gaia DR2 923545791163296640, Gaia EDR3 923545791163296640, SDSS J073828.15+395053.8
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 07 38 28.15 (0.4) | 07 38 28.16 (0.4) | |||
| Declination | 39 50 53.79 (0.3) | 39 50 53.90 (0.3) | |||
| Spectral type | D | DC: | |||
| 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 (0.5) | 2.85 (0.5) | ||
| Distance | [pc] | 350.39 (58) | 350.39 (58) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.337 (0.5) | -6.337 (0.5) | ||
| Proper motion (declination) | [mas/yr] | -7.232 (0.4) | -7.232 (0.4) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 19.84 (0.04) | ||||
| g magnitude | 19.95 (0.02) | ||||
| r magnitude | 20.29 (0.03) | ||||
| i magnitude | 20.55 (0.04) | ||||
| z magnitude | 21.42 (0.3) | ||||
| G magnitude | 20.08 (0.006) | 20.08 (0.006) | |||
| BP magnitude | 20.02 (0.08) | ||||
| RP magnitude | 20.26 (0.1) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.029 | ||||
* 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.