All names: SDSS J173932.26+604102.8, SDSS J173932.26+604102.9, GALEX J173932.3+604102, Gaia EDR3 1435772764934304000, Gaia DR2 1435772760638637568, Gaia DR3 1435772764934304000
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 39 32.26 (0.3) | 17 39 32.26 (0.3) | ||
| Declination | 60 41 02.91 (0.2) | 60 41 02.89 (0.2) | ||
| 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] | 1.92 (0.3) | 1.92 (0.3) | |
| Distance | [pc] | 521.10 (70) | 521.10 (70) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.241 (0.4) | 3.241 (0.4) | |
| Proper motion (declination) | [mas/yr] | 1.245 (0.3) | 1.245 (0.3) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.49 (0.04) | |||
| g magnitude | 19.59 (0.01) | |||
| r magnitude | 19.85 (0.02) | |||
| i magnitude | 20.08 (0.03) | |||
| z magnitude | 20.29 (0.1) | |||
| G magnitude | 19.73 (0.005) | 19.73 (0.005) | ||
| BP magnitude | 19.71 (0.05) | |||
| RP magnitude | 19.85 (0.09) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.025 | |||
* 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.