All names: Gaia DR3 3080005199256969984, 2MASS J08373310+0302100, SDSS J083733.14+030209.1, SDSSJ083733.14+030209.1, Gaia DR2 3080005199256969984, SDSS J083733.14+030209.17, SDSS J083733.14+030209.2, Gaia EDR3 3080005199256969984
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 37 33.15 (0.04) | 08 37 33.15 | 08 37 33.14 | 08 37 33.15 (0.06) | 08 37 33.14 (0.04) | ||||
| Declination | 03 02 09.18 (0.03) | 03 02 09.26 | 03 02 09.10 | 03 02 09.18 (0.04) | 03 02 09.28 (0.03) | ||||
| Spectral type | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 30638.0 (168) | |||||||
| log(g) | [cgs] | 5.48 (0.03) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.31 (0.05) | 0.37 (0.09) | 0.37 (0.09) | 0.31 (0.05) | ||||
| Distance | [pc] | 3180.88 (534) | 2706.36 (638) | 2706.41 (638) | 3180.66 (533) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.406082457 (0.05) | 2.465 (0.1) | 2.465326163 (0.1) | 2.406 (0.05) | ||||
| Proper motion (declination) | [mas/yr] | -6.425209729 (0.04) | -6.438 (0.08) | -6.438343972 (0.08) | -6.425 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.58 (0.2) | 16.58 (0.2) | |||||||
| H magnitude | 16.26 (0.2) | 16.26 (0.2) | |||||||
| K magnitude | 15.73 | ||||||||
| u magnitude | 15.63 (0.005) | 15.63 (0.005) | 15.66 (0.02) | 15.63 (0.005) | |||||
| g magnitude | 15.80 (0.004) | 15.80 (0.004) | 15.86 (0.02) | 15.80 (0.004) | |||||
| r magnitude | 16.29 (0.004) | 16.29 (0.004) | 16.29 (0.01) | 16.29 (0.004) | |||||
| i magnitude | 16.63 (0.004) | 16.63 (0.004) | 16.64 (0.02) | 16.63 (0.004) | |||||
| z magnitude | 16.94 (0.01) | 16.94 (0.01) | 16.94 (0.02) | 16.94 (0.01) | |||||
| G magnitude | 16.05 (0.003) | 16.08 (0.001) | 16.08 | 16.05 (0.003) | |||||
| BP magnitude | 15.92 (0.003) | 15.87 (0.005) | 15.87 | ||||||
| RP magnitude | 16.32 (0.004) | 16.32 (0.003) | 16.32 | ||||||
| Pan g magnitude | 15.85 (0.005) | 15.85 (0.005) | |||||||
| Pan r magnitude | 16.29 (0.003) | 16.29 (0.003) | |||||||
| Pan i magnitude | 16.65 (0.003) | 16.65 (0.003) | |||||||
| Pan z magnitude | 16.92 (0.008) | 16.93 (0.008) | |||||||
| Pan y magnitude | 17.08 (0.01) | 17.08 (0.01) | |||||||
| E(B-V) | 0.028 | ||||||||
* 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.