All names: Gaia DR3 1336603924278809216, Gaia EDR3 1336603924278809216, GALEX J172307.6+351606, Gaia DR2 1336603924278809216, SDSS J172307.62+351606.7, SDSS J172307.63+351606.7
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 23 07.62 (0.3) | 17 23 07.63 (0.3) | ||
| Declination | 35 16 06.74 (0.3) | 35 16 06.66 (0.3) | ||
| Spectral type | DB | |||
| 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] | 1.88 (0.4) | 1.88 (0.4) | |
| Distance | [pc] | 531.69 (106) | 531.69 (106) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -13.586 (0.4) | -13.586 (0.4) | |
| Proper motion (declination) | [mas/yr] | 4.844 (0.4) | 4.844 (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 | 19.87 (0.04) | |||
| g magnitude | 19.91 (0.02) | |||
| r magnitude | 20.14 (0.02) | |||
| i magnitude | 20.38 (0.04) | |||
| z magnitude | 20.78 (0.2) | |||
| G magnitude | 20.02 (0.005) | 20.02 (0.005) | ||
| BP magnitude | 20.10 (0.05) | |||
| RP magnitude | 20.07 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.024 | |||
* 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.