All names: PG 1134+073, USNO-B1.0 0970-00240088, SDSS J113654.19+070337.0, LAMOST J113654.20+070336.2, Gaia DR3 3910435231857619712, SDSS J113654.20+070336.7, WD 1134+073, Gaia DR2 3910435231857619712, Gaia EDR3 3910435231857619712, SDSS J113654.22+070336.1, SDSS J113654.22+070336.18, GALEX J113654.2+070336
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | Gaia DR2 | Stilism | Koester & Kepler 2015 | Kepler et al. 2015 | Voss et al. 2007 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 36 54.23 (0.07) | 11 36 54.20 | 11 36 54.23 (0.1) | 11 36 54.23 | 11 36 54.20 (0.07) | 11 36 53.64 | |||||||||
| Declination | 07 03 35.93 (0.06) | 07 03 36.78 | 07 03 35.96 (0.08) | 07 03 35.93 | 07 03 37.10 (0.06) | 07 03 35.64 | |||||||||
| Spectral type | DBA | DB | DB3 | DB3 | DB | ||||||||||
| Effective temperature | [K] | 18724.0 | 17004.0 | 18585.0 (61) | 18699.0 (56) | 18135.0 | 16564.0 (828) | ||||||||
| log(g) | [cgs] | 8.42 | 8.20 | 8.34 (0.02) | 8.22 (0.02) | 8.31 | 8.16 (0.06) | ||||||||
| Mass | [M☉] | 0.861 | 0.715 | 0.731 (0.01) | 0.791 | 0.688 (0.05) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 2.3040 | |||||||||||||
| log(H/He) | -4.996 | -4.57 (0.1) | -4.7 | ||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | <-5.15 | ||||||||||||||
| log(Ca/H) | |||||||||||||||
| Parallax | [mas] | 6.98 (0.08) | 7.09 (0.1) | 6.98 | 6.98 (0.08) | ||||||||||
| Distance | [pc] | 143.20 (2) | 140.99 (3) | 135.00 | 143.20 | 143.20 (2) | |||||||||
| Composition | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 31.93953271 (0.09) | 31.97475255 (0.2) | 31.94 (0.09) | |||||||||||
| Proper motion (declination) | [mas/yr] | -73.36258251 (0.07) | -73.2832859 (0.2) | -73.363 (0.07) | |||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 16.32 | 17.10 | |||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 17.00 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 16.76 (0.007) | 16.76 (0.01) | 16.76 (0.007) | ||||||||||||
| g magnitude | 16.89 (0.004) | 16.89 (0) | 16.89 (0.004) | ||||||||||||
| r magnitude | 17.20 (0.005) | 17.20 (0.01) | 17.20 (0.005) | ||||||||||||
| i magnitude | 17.46 (0.007) | 17.46 (0.01) | 17.46 (0.007) | ||||||||||||
| z magnitude | 17.74 (0.02) | 17.74 (0.02) | 17.74 (0.02) | ||||||||||||
| G magnitude | 17.05 (0.01) | 17.08 | 17.05 | 17.05 (0.003) | |||||||||||
| BP magnitude | 16.98 (0.01) | 16.96 | |||||||||||||
| RP magnitude | 17.18 (0.01) | 17.16 | |||||||||||||
| Pan g magnitude | 16.95 (0.004) | ||||||||||||||
| Pan r magnitude | 17.22 (0.003) | ||||||||||||||
| Pan i magnitude | 17.49 (0.003) | ||||||||||||||
| Pan z magnitude | 17.71 (0.005) | ||||||||||||||
| Pan y magnitude | 17.87 (0.01) | ||||||||||||||
| E(B-V) | 0.013 | ||||||||||||||
* 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.