All names: SDSS J075242.03+171747.4, Gaia EDR3 668236403758950912, Gaia DR2 668236403758950912, GALEX J075242.0+171747
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 07 52 42.03 (0.6) | 07 52 42.02 | 07 52 42.03 (0.9) | 07 52 42.03 | 07 52 42.03 | |
| Declination | 17 17 47.30 (0.4) | 17 17 47.39 | 17 17 47.30 (0.8) | 17 17 47.41 | 17 17 47.41 | |
| Spectral type | DA+M | DA+M | ||||
| Effective temperature | [K] | 26471.0 (1265) | ||||
| log(g) | [cgs] | 6.58 (0.2) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | -0.43 (0.8) | ||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 7.44230464 (0.8) | ||||
| Proper motion (declination) | [mas/yr] | -0.200192868 (0.4) | ||||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | WDMS | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 20.11 (0.04) | 20.14 (0.04) | 20.14 (0.04) | |||
| g magnitude | 20.13 (0.02) | 20.06 (0.03) | 20.06 (0.03) | |||
| r magnitude | 20.65 (0.03) | 20.42 (0.2) | 20.42 (0.2) | |||
| i magnitude | 20.95 (0.06) | 20.39 (0.4) | ||||
| z magnitude | 21.89 (0.4) | 20.43 (0.7) | ||||
| G magnitude | 20.30 | 20.37 | ||||
| BP magnitude | ||||||
| RP magnitude | ||||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | ||||||
* 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.