All names: Gaia DR3 674255203425267584, TIC 293280650, 2MASS J07560377+2226308, Ton 835, SDSS J075603.77+222630.8, LAMOST J075603.77+222630.9, Gaia EDR3 674255203425267584, Gaia DR2 674255203425267584, UCAC2 39662763, UCAC4 563-043710, SDSS J075603.77+222630.9, SDSSJ075603.77+222630.9, GALEX J075603.7+222628, SDSS J075603.77+222630.89
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 56 03.77 (0.04) | 07 56 03.77 | 07 56 03.77 | 07 56 03.77 (0.05) | 07 56 03.77 (0.04) | |||
| Declination | 22 26 31.01 (0.03) | 22 26 30.92 | 22 26 30.90 | 22 26 31.01 (0.03) | 22 26 30.92 (0.03) | |||
| Spectral type | sdO | DAO | sdO | |||||
| Effective temperature | [K] | 51160.0 (5270) | 42024.0 (332) | |||||
| log(g) | [cgs] | 5.73 (0.3) | 5.56 (0.04) | |||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.06 (0.04) | 1.07 (0.07) | 1.07 (0.07) | 1.06 (0.04) | |||
| Distance | [pc] | 944.94 (40) | 931.36 (58) | 931.36 (58) | 944.91 (40) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 1.158138871 (0.05) | 0.834 (0.1) | 0.833880875 (0.1) | 1.158 (0.05) | |||
| Proper motion (declination) | [mas/yr] | 6.128409364 (0.03) | 6.125 (0.07) | 6.124870196 (0.07) | 6.128 (0.03) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 13.97 (0.04) | |||||||
| V magnitude | 14.21 (0.06) | |||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 14.84 (0.04) | 14.84 (0.04) | ||||||
| H magnitude | 14.93 (0.07) | 14.93 (0.07) | ||||||
| K magnitude | 15.05 (0.1) | 15.05 (0.1) | ||||||
| u magnitude | 13.56 (0.003) | 13.55 (0.003) | 13.56 (0) | 13.55 (0.003) | ||||
| g magnitude | 14.57 (0.008) | 14.57 (0.01) | 14.57 (0.008) | |||||
| r magnitude | 14.43 (0.003) | 14.43 (0.003) | 14.43 (0) | 14.43 (0.003) | ||||
| i magnitude | 14.79 (0.004) | 14.79 (0.004) | 14.79 (0) | 14.79 (0.004) | ||||
| z magnitude | 15.11 (0.005) | 15.11 (0.005) | 15.11 (0.01) | 15.11 (0.005) | ||||
| G magnitude | 14.18 (0.002) | 14.19 (0.0008) | 14.19 | 14.18 (0.003) | ||||
| BP magnitude | 14.02 (0.002) | 13.94 (0.008) | 13.94 | |||||
| RP magnitude | 14.48 (0.002) | 14.47 (0.003) | 14.47 | |||||
| Pan g magnitude | 14.02 (0.003) | |||||||
| Pan r magnitude | 14.45 (0.003) | |||||||
| Pan i magnitude | 14.81 (0.004) | |||||||
| Pan z magnitude | 15.10 (0.004) | |||||||
| Pan y magnitude | 15.30 (0.005) | |||||||
| E(B-V) | 0.043 | |||||||
* 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.