All names: USNO-B1.0 1204-00187853, Gaia DR2 733232796684240896, WD 1057+307, Gaia DR3 733232796684240896, CSO 64, SDSS J105958.23+302630.4, GALEX J105958.2+302631, Gaia EDR3 733232796684240896, SDSS J105958.23+302630.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 59 58.23 (0.1) | 10 59 58.23 (0.2) | 10 59 58.23 (0.1) | 10 59 58.20 | |||
| Declination | 30 26 30.26 (0.1) | 30 26 30.26 (0.2) | 30 26 30.42 (0.1) | 30 26 47.76 | |||
| Spectral type | DA3/5 | DA5/A3 | |||||
| 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] | 0.25 (0.1) | 0.17 (0.2) | 0.25 (0.1) | |||
| Distance | [pc] | 4047.59 (2198) | 5945.30 (7038) | 4046.94 (2198) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -1.807816681 (0.1) | -1.618 (0.4) | -1.808 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -10.0181231 (0.1) | -10.261 (0.4) | -10.018 (0.1) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 18.50 | ||||||
| V magnitude | |||||||
| R magnitude | 18.00 | ||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 19.28 (0.03) | ||||||
| g magnitude | 18.46 (0.007) | ||||||
| r magnitude | 18.15 (0.007) | ||||||
| i magnitude | 18.02 (0.008) | ||||||
| z magnitude | 17.99 (0.02) | ||||||
| G magnitude | 18.14 (0.01) | 18.16 | 18.14 (0.003) | ||||
| BP magnitude | 18.41 (0.01) | 18.42 | |||||
| RP magnitude | 17.71 (0.02) | 17.69 | |||||
| Pan g magnitude | 18.43 (0.01) | ||||||
| Pan r magnitude | 18.17 (0.005) | ||||||
| Pan i magnitude | 18.04 (0.003) | ||||||
| Pan z magnitude | 18.04 (0.006) | ||||||
| Pan y magnitude | 18.03 (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.