All names: Gaia EDR3 819580571549521280, SDSS J092634.87+473035.9, SDSS J092634.87+473036.0, Gaia DR3 819580571549521280, Gaia DR2 819580571549521280, SDSSJ092634.87+473035.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 26 34.88 (0.2) | 09 26 34.88 | 09 26 34.87 | 09 26 34.88 (0.2) | 09 26 34.88 (0.2) | 09 26 34.88 | ||
| Declination | 47 30 35.89 (0.1) | 47 30 35.99 | 47 30 35.90 | 47 30 35.89 (0.2) | 47 30 35.95 (0.1) | 47 30 36.02 | ||
| Spectral type | sdB | sdB | SD_auto | |||||
| Effective temperature | [K] | 21311.0 (315) | ||||||
| log(g) | [cgs] | 5.00 (0.002) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | -0.13 (0.2) | -0.17 (0.3) | -0.17 (0.3) | ||||
| Distance | [pc] | |||||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.332678867 (0.2) | 0.476 (0.4) | 0.475723374 (0.4) | 0.333 (0.2) | 2.4 | ||
| Proper motion (declination) | [mas/yr] | -4.225364269 (0.2) | -3.766 (0.5) | -3.765795369 (0.5) | -4.225 (0.2) | -5.2 | ||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 18.61 (0.02) | 18.61 (0.02) | 18.61 (0.02) | 18.57 (0.02) | ||||
| g magnitude | 18.36 (0.007) | 18.36 (0.007) | 18.36 (0.007) | 18.34 (0.02) | ||||
| r magnitude | 18.73 (0.01) | 18.73 (0.01) | 18.73 (0.01) | 18.72 (0.02) | ||||
| i magnitude | 19.00 (0.01) | 19.00 (0.01) | 19.00 (0.01) | 18.98 (0.02) | ||||
| z magnitude | 19.24 (0.06) | 19.24 (0.06) | 19.24 (0.06) | 19.21 (0.06) | ||||
| G magnitude | 18.55 (0.01) | 18.59 (0.003) | 18.59 | 18.55 (0.003) | ||||
| BP magnitude | 18.50 (0.01) | 18.48 (0.02) | 18.48 | |||||
| RP magnitude | 18.70 (0.03) | 18.71 (0.03) | 18.71 | |||||
| Pan g magnitude | 18.42 (0.008) | 18.42 (0.008) | ||||||
| Pan r magnitude | 18.71 (0.02) | 18.71 (0.03) | ||||||
| Pan i magnitude | 19.01 (0.007) | 19.01 (0.007) | ||||||
| Pan z magnitude | 19.22 (0.02) | 19.22 (0.02) | ||||||
| Pan y magnitude | 19.30 (0.03) | 19.30 (0.03) | ||||||
| E(B-V) | ||||||||
* 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.