All names: USNO-B1.0 1171-00213809, SDSS J101710.78+271157.0, Gaia DR3 739337319605413888, LSPM J1017+2712, Gaia EDR3 739337319605413888, WDJ101710.84+271157.48, Gaia DR2 739337319605413888, WDJ101710.84+271157.49, SDSS J101710.79+271157.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 17 10.65 (0.2) | 10 17 10.65 | 10 17 10.65 | 10 17 10.84 (0.2) | 10 17 10.65 | |||
| Declination | 27 11 56.06 (0.2) | 27 11 56.10 | 27 11 56.06 | 27 11 57.49 (0.2) | 27 11 56.10 | |||
| Spectral type | DA | DA | ||||||
| Effective temperature | [K] | 5020.0 (117) | ||||||
| log(g) | [cgs] | 8.11 (0.06) | ||||||
| Mass | [M☉] | 0.648 (0.05) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 15.48 (0.3) | 15.16 (0.5) | 15.48 | 15.48 (0.3) | 15.16 (0.5) | ||
| Distance | [pc] | 64.62 (1) | 65.96 (2) | 64.62 | 64.62 (1) | 65.96 (2) | ||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -163.5536758 (0.3) | -163.7386027 (0.7) | -163.554 (0.3) | -163.7386027 | |||
| Proper motion (declination) | [mas/yr] | -89.8224111 (0.2) | -89.57496324 (0.5) | -89.822 (0.2) | -89.57496324 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 19.70 | |||||||
| V magnitude | ||||||||
| R magnitude | 19.20 | |||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.64 (0.1) | 21.64 (0.1) | ||||||
| g magnitude | 19.84 (0.01) | 19.84 (0.01) | ||||||
| r magnitude | 19.04 (0.01) | 19.04 (0.01) | ||||||
| i magnitude | 18.73 (0.01) | 18.73 (0.01) | ||||||
| z magnitude | 18.63 (0.03) | 18.63 (0.03) | ||||||
| G magnitude | 19.06 (0.04) | 19.10 | 19.06 | 19.06 (0.004) | 19.10 | |||
| BP magnitude | 19.60 (0.04) | 19.51 | 19.51 | |||||
| RP magnitude | 18.43 (0.03) | 18.39 | 18.39 | |||||
| Pan g magnitude | 19.71 (0.008) | |||||||
| Pan r magnitude | 19.01 (0.006) | |||||||
| Pan i magnitude | 18.74 (0.005) | |||||||
| Pan z magnitude | 18.64 (0.01) | |||||||
| Pan y magnitude | 18.64 (0.02) | |||||||
| E(B-V) | 0.002 | |||||||
* 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.