All names: TIC 88698337, 2MASS J10573094+4746143, Gaia DR2 831780069672709888, Gaia EDR3 831780069672709888, GALEX J105731.2+474613, Gaia DR3 831780069672709888, SDSS J105730.98+474614.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 57 30.98 (0.1) | 10 57 30.98 | 10 57 30.98 (0.2) | 10 57 30.97 (0.1) | 10 57 30.98 | |||
| Declination | 47 46 14.05 (0.2) | 47 46 14.33 | 47 46 14.06 (0.4) | 47 46 14.29 (0.2) | 47 46 14.35 | |||
| Spectral type | DA+M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (3) | ||||||
| log(g) | [cgs] | 5.01 (0.01) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.91 (0.2) | 1.67 (0.5) | 1.91 (0.2) | ||||
| Distance | [pc] | 524.73 (63) | 597.05 (167) | 524.74 (63) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 4.82234584 (0.2) | 5.139 (0.3) | 4.822 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -14.86719496 (0.2) | -15.679 (0.6) | -14.867 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.04 (0.1) | |||||||
| H magnitude | 15.64 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | 21.02 (0.1) | 20.89 (0.09) | 20.89 (0.09) | |||||
| g magnitude | 19.96 (0.02) | 19.92 (0.04) | ||||||
| r magnitude | 18.99 (0.01) | 19.02 (0.03) | 19.02 (0.03) | |||||
| i magnitude | 18.05 (0.008) | 18.05 (0.02) | 18.05 (0.02) | |||||
| z magnitude | 17.54 (0.02) | 17.53 (0.03) | ||||||
| G magnitude | 18.81 (0.03) | 18.80 | 18.81 (0.004) | |||||
| BP magnitude | 19.59 (0.03) | 19.49 | ||||||
| RP magnitude | 17.63 (0.01) | 17.61 | ||||||
| Pan g magnitude | 19.81 (0.01) | |||||||
| Pan r magnitude | 19.02 (0.007) | |||||||
| Pan i magnitude | 18.05 (0.004) | |||||||
| Pan z magnitude | 17.60 (0.008) | |||||||
| Pan y magnitude | 17.36 (0.02) | |||||||
| E(B-V) | 0.018 | |||||||
* 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.