All names: SDSS J134922.57-003503.2, SDSS J134922.58-003503.2, GALEX J134922.5-003503, Gaia DR3 3662037310121298560, SDSS J134922.54-003503.62, Gaia DR2 3662037310121298560, SDSS J134922.54-003503.6, Gaia EDR3 3662037310121298560, [BGK2006] J134922.58-003503.3, LAMOST J134922.51-003503.15, SDSS J134922.54-003503.4, SDSS J134922.53-003503.6, LAMOST J134922.50-003503.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Zhao et al. 2013 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 49 22.52 (0.07) | 13 49 22.55 | 13 49 22.52 (0.09) | 13 49 22.51 | 13 49 22.52 | 13 49 22.58 (0.07) | ||||||
| Declination | -00 35 03.82 (0.07) | -00 35 03.42 | -00 35 03.81 (0.08) | -00 35 03.15 | -00 35 03.82 | -00 35 03.26 (0.07) | ||||||
| Spectral type | DA | DA | DA | DA3 | DA | |||||||
| Effective temperature | [K] | 15734.0 (401) | 16162.0 (58) | 16401.0 (1151) | 16176.0 (444) | |||||||
| log(g) | [cgs] | 7.64 (0.09) | 7.63 (0.01) | 8.52 (0.2) | 7.60 (0.03) | |||||||
| Mass | [M☉] | 0.44 (0.04) | 0.465 (0.003) | 0.94 (0.1) | 0.417 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3630 (0.2) | ||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 5.09 (0.09) | 5.18 (0.1) | 5.09 | 5.09 (0.09) | |||||||
| Distance | [pc] | 196.57 (3) | 193.11 (4) | 99.00 | 196.57 | 196.57 (3) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -57.89391966 (0.1) | -57.71232386 (0.2) | -57.894 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -35.07314384 (0.09) | -35.00593017 (0.2) | -35.073 (0.09) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 17.27 (0.01) | 17.27 (0.02) | 17.24 | 17.27 (0.01) | ||||||||
| g magnitude | 16.94 (0.004) | 16.95 (0.02) | 16.91 | 16.94 (0.004) | ||||||||
| r magnitude | 17.22 (0.005) | 17.23 (0.02) | 17.25 | 17.22 (0.005) | ||||||||
| i magnitude | 17.49 (0.007) | 17.49 (0.02) | 17.46 | 17.49 (0.007) | ||||||||
| z magnitude | 17.68 (0.02) | 17.68 (0.03) | 17.73 | 17.68 (0.02) | ||||||||
| G magnitude | 17.09 (0.006) | 17.12 | 17.09 | 17.09 (0.003) | ||||||||
| BP magnitude | 17.06 (0.006) | 17.06 | ||||||||||
| RP magnitude | 17.21 (0.01) | 17.22 | ||||||||||
| Pan g magnitude | 16.97 (0.007) | |||||||||||
| Pan r magnitude | 17.25 (0.005) | |||||||||||
| Pan i magnitude | 17.51 (0.008) | |||||||||||
| Pan z magnitude | 17.74 (0.005) | |||||||||||
| Pan y magnitude | 17.90 (0.01) | |||||||||||
| E(B-V) | 0.020 | |||||||||||
* 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.