All names: Gaia DR2 667052165313596032, SDSS J075108.89+162325.8, LAMOST J075108.97+162327.0, SDSS J075108.88+162325.73, SDSS J075108.88+162325.7, UCAC4 532-043257, SDSSJ075108.88+162325.8, GALEX J075108.8+162326, SDSS J075108.89+162325.81, Gaia DR3 667052165313596032, Gaia EDR3 667052165313596032
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 51 08.89 (0.06) | 07 51 08.89 | 07 51 08.88 | 07 51 08.89 (0.08) | 07 51 08.89 (0.06) | |||||
| Declination | 16 23 25.69 (0.04) | 16 23 25.78 | 16 23 25.80 | 16 23 25.69 (0.04) | 16 23 25.82 (0.04) | |||||
| Spectral type | sdB | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 25936.0 (1235) | 27535.0 (207) | 26966.0 (173) | ||||||
| log(g) | [cgs] | 5.25 (0.2) | 5.25 (0.03) | 5.00 (0.05) | ||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.45 (0.07) | 0.58 (0.1) | 0.58 (0.1) | 0.45 (0.07) | |||||
| Distance | [pc] | 2240.23 (333) | 1730.10 (285) | 1730.11 (285) | 2240.14 (333) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.231552598 (0.07) | -0.204 (0.2) | -0.203626823 (0.2) | -0.232 (0.07) | |||||
| Proper motion (declination) | [mas/yr] | -8.383637902 (0.04) | -8.456 (0.08) | -8.456082133 (0.08) | -8.384 (0.04) | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 16.05 (0.006) | 16.05 (0.006) | 16.05 (0.01) | 16.05 (0.01) | 16.05 (0.006) | |||||
| g magnitude | 16.13 (0.004) | 16.13 (0.004) | 16.16 (0.009) | 16.16 (0.01) | 16.13 (0.004) | |||||
| r magnitude | 16.56 (0.005) | 16.56 (0.005) | 16.56 (0.009) | 16.56 (0.01) | 16.56 (0.005) | |||||
| i magnitude | 16.85 (0.006) | 16.85 (0.006) | 16.86 (0.01) | 16.86 (0.01) | 16.85 (0.006) | |||||
| z magnitude | 17.10 (0.01) | 17.10 (0.01) | 17.10 (0.02) | 17.10 (0.02) | 17.10 (0.01) | |||||
| G magnitude | 16.36 (0.003) | 16.39 (0.0009) | 16.39 | 16.36 (0.003) | ||||||
| BP magnitude | 16.25 (0.003) | 16.20 (0.005) | 16.20 | |||||||
| RP magnitude | 16.57 (0.005) | 16.55 (0.005) | 16.55 | |||||||
| Pan g magnitude | 16.22 (0.006) | 16.21 (0.006) | ||||||||
| Pan r magnitude | 16.59 (0.002) | 16.59 (0.002) | ||||||||
| Pan i magnitude | 16.89 (0.0008) | 16.89 (0.0008) | ||||||||
| Pan z magnitude | 17.09 (0.005) | 17.09 (0.005) | ||||||||
| Pan y magnitude | 17.21 (0.01) | 17.21 (0.01) | ||||||||
| E(B-V) | 0.031 | |||||||||
* 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.