All names: Gaia DR3 3075906971527715200, SDSSJ084628.65+014216.9, SDSS J084628.66+014216.96, SDSS J084628.66+014216.9, Gaia EDR3 3075906971527715200, SDSS J084628.65+014216.9, Gaia DR2 3075906971527715200, GALEX J084628.6+014216
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 46 28.66 (0.1) | 08 46 28.66 | 08 46 28.65 | 08 46 28.66 (0.1) | 08 46 28.66 (0.1) | ||||
| Declination | 01 42 16.99 (0.06) | 01 42 16.98 | 01 42 16.90 | 01 42 16.99 (0.08) | 01 42 16.99 (0.06) | ||||
| Spectral type | sdOB | DAB/sdB | B8III | ||||||
| Effective temperature | [K] | 34426.0 (259) | |||||||
| log(g) | [cgs] | 5.52 (0.04) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.31 (0.1) | 0.15 (0.2) | 0.15 (0.2) | 0.31 (0.1) | ||||
| Distance | [pc] | 3264.45 (1258) | 6715.92 (7298) | 6715.53 (7299) | 3264.77 (1259) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.068163858 (0.1) | -0.795 (0.3) | -0.794504344 (0.3) | -0.068 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -0.424719366 (0.09) | -0.309 (0.1) | -0.309312988 (0.1) | -0.425 (0.1) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.48 (0.009) | 17.48 (0.009) | 17.51 (0.02) | 17.48 (0.009) | |||||
| g magnitude | 17.62 (0.005) | 17.62 (0.005) | 17.64 (0.02) | 17.62 (0.005) | |||||
| r magnitude | 17.90 (0.006) | 17.90 (0.006) | 17.92 (0.01) | 17.90 (0.006) | |||||
| i magnitude | 18.04 (0.008) | 18.04 (0.008) | 18.05 (0.02) | 18.03 (0.008) | |||||
| z magnitude | 18.18 (0.03) | 18.18 (0.03) | 18.18 (0.04) | 18.18 (0.03) | |||||
| G magnitude | 17.74 (0.01) | 17.77 (0.002) | 17.77 | 17.74 (0.003) | |||||
| BP magnitude | 17.72 (0.01) | 17.67 (0.009) | 17.67 | ||||||
| RP magnitude | 17.75 (0.01) | 17.73 (0.02) | 17.73 | ||||||
| Pan g magnitude | 17.70 (0.004) | 17.70 (0.004) | |||||||
| Pan r magnitude | 17.94 (0.008) | 17.94 (0.008) | |||||||
| Pan i magnitude | 18.09 (0.003) | 18.09 (0.003) | |||||||
| Pan z magnitude | 18.24 (0.01) | 18.23 (0.01) | |||||||
| Pan y magnitude | 18.27 (0.01) | 18.27 (0.01) | |||||||
| E(B-V) | 0.029 | ||||||||
* 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.