All names: Gaia DR3 2819403346992699648, SDSS J234102.66+151810.2, GALEX J234102.6+151811, Gaia DR2 2819403346992699648, SDSS J234102.65+151810.2, Gaia EDR3 2819403346992699648
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 23 41 02.69 (0.2) | 23 41 02.69 | 23 41 02.65 (0.2) | |||
| Declination | 15 18 10.34 (0.2) | 15 18 10.34 | 15 18 10.24 (0.2) | |||
| Spectral type | DC: | DC | DC | |||
| Effective temperature | [K] | 7807.0 (539) | ||||
| log(g) | [cgs] | 8.24 (0.1) | ||||
| Mass | [M☉] | 0.727 (0.1) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 6.29 (0.3) | 6.29 | 6.29 (0.3) | ||
| Distance | [pc] | 158.93 (8) | 158.93 | 158.93 (8) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 37.118 (0.4) | 37.118 (0.4) | |||
| Proper motion (declination) | [mas/yr] | 6.297 (0.2) | 6.297 (0.2) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 20.07 (0.04) | |||||
| g magnitude | 19.66 (0.01) | |||||
| r magnitude | 19.55 (0.01) | |||||
| i magnitude | 19.59 (0.02) | |||||
| z magnitude | 19.71 (0.06) | |||||
| G magnitude | 19.52 (0.004) | 19.52 | 19.52 (0.004) | |||
| BP magnitude | 19.64 (0.04) | |||||
| RP magnitude | 19.21 (0.05) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.014 | |||||
* 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.