All names: USNO-A2.0 1125-06249511, Gaia DR3 3998418083592269952, LAMOST J110734.21+272327.9, SDSS J110734.21+272327.9, GALEX 2687463725537954865, Gaia EDR3 3998418083592269952, SDSS J110734.22+272328.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 07 34.16 (0.1) | 11 07 34.21 | 11 07 34.16 | 11 07 34.17 (0.2) | 11 07 34.22 | |||||
| Declination | 27 23 27.84 (0.2) | 27 23 27.97 | 27 23 27.84 | 27 23 27.85 (0.3) | 27 23 27.98 | |||||
| Spectral type | DA | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 11475.0 (425) | 13239.0 (396) | |||||||
| log(g) | [cgs] | 7.70 (0.06) | 7.22 (0.1) | |||||||
| Mass | [M☉] | 0.445 (0.04) | 0.329 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.97 (0.2) | 3.97 | |||||||
| Distance | [pc] | 251.96 (11) | 251.96 | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -59.1704885 (0.1) | -59.0 (3) | |||||||
| Proper motion (declination) | [mas/yr] | -14.51857255 (0.2) | -18.0 (3) | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.90 (0.3) | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.30 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.79 (0.02) | 18.79 (0.02) | 18.78 (0.03) | |||||||
| g magnitude | 18.31 (0.007) | 18.31 (0.007) | 18.32 (0.03) | |||||||
| r magnitude | 18.48 (0.008) | 18.48 (0.008) | 18.47 (0.01) | |||||||
| i magnitude | 18.66 (0.01) | 18.70 (0.01) | 18.70 (0.01) | |||||||
| z magnitude | 18.86 (0.05) | 18.86 (0.05) | 18.84 (0.05) | |||||||
| G magnitude | 18.38 (0.02) | 18.38 | 18.42 (0.003) | |||||||
| BP magnitude | 18.45 (0.02) | |||||||||
| RP magnitude | 18.44 (0.03) | |||||||||
| Pan g magnitude | 18.32 (0.007) | |||||||||
| Pan r magnitude | 18.47 (0.003) | |||||||||
| Pan i magnitude | 18.70 (0.009) | |||||||||
| Pan z magnitude | 18.87 (0.02) | |||||||||
| Pan y magnitude | 18.92 (0.03) | |||||||||
| E(B-V) | 0.016 | |||||||||
* 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.