All names: SDSS J105700.58+593015.3, SDSS J105700.58+593015.34, Gaia DR3 860606928089296384, GALEX J105700.5+593015, Gaia DR2 860606923794599296, SDSSJ105700.58+593015.34, Gaia EDR3 860606928089296384, SDSS J105700.60+593015.2, SBSS 1053+597
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 57 00.59 (0.07) | 10 57 00.61 | 10 57 00.58 | 10 57 00.59 (0.1) | 10 57 00.60 (0.07) | |||
| Declination | 59 30 15.20 (0.08) | 59 30 15.29 | 59 30 15.34 | 59 30 15.20 (0.1) | 59 30 15.30 (0.08) | |||
| Spectral type | sdB | sdB | sdB | |||||
| Effective temperature | [K] | 29682.0 (855) | 30125.0 (179) | |||||
| log(g) | [cgs] | 5.59 (0.1) | 5.35 (0.04) | |||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.21 (0.1) | 0.10 (0.1) | 0.10 (0.1) | 0.21 (0.1) | |||
| Distance | [pc] | 4868.59 (2459) | 9671.18 (13824) | 9672.36 (13826) | 4868.55 (2460) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -4.930503919 (0.09) | -4.961 (0.2) | -4.961157458 (0.2) | -4.931 (0.09) | |||
| Proper motion (declination) | [mas/yr] | -6.224397783 (0.1) | -6.042 (0.2) | -6.042363477 (0.2) | -6.224 (0.1) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 18.00 | |||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 17.89 (0.01) | 17.89 (0.01) | 17.90 (0.03) | 17.90 (0.03) | ||||
| g magnitude | 17.91 (0.006) | 17.92 (0.006) | 17.95 (0.02) | 17.95 (0.02) | ||||
| r magnitude | 18.30 (0.007) | 18.31 (0.007) | 18.34 (0.01) | 18.34 (0.01) | ||||
| i magnitude | 18.59 (0.01) | 18.60 (0.01) | 18.63 (0.02) | 18.63 (0.02) | ||||
| z magnitude | 18.88 (0.04) | 18.89 (0.04) | 18.90 (0.04) | 18.90 (0.04) | ||||
| G magnitude | 18.14 (0.01) | 18.17 (0.002) | 18.17 | 18.14 (0.003) | ||||
| BP magnitude | 18.06 (0.01) | 17.99 (0.009) | 17.99 | |||||
| RP magnitude | 18.26 (0.02) | 18.22 (0.02) | 18.22 | |||||
| Pan g magnitude | 17.97 (0.01) | |||||||
| Pan r magnitude | 18.31 (0.004) | |||||||
| Pan i magnitude | 18.58 (0.004) | |||||||
| Pan z magnitude | 18.83 (0.01) | |||||||
| Pan y magnitude | 18.87 (0.03) | |||||||
| E(B-V) | 0.021 | |||||||
* 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.