All names: SDSS J211104.96+091042.8, SDSSJ211104.97+091042.9, GALEX J211104.9+091042, Gaia DR2 1743427762042316928, Gaia EDR3 1743427762042316928, Gaia DR3 1743427762042316928, SDSS J211104.97+091042.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 11 04.96 (0.08) | 21 11 04.97 | 21 11 04.97 | 21 11 04.96 (0.1) | 21 11 04.97 (0.08) | 21 11 04.97 | |||
| Declination | 09 10 42.71 (0.08) | 09 10 42.74 | 09 10 42.90 | 09 10 42.71 (0.2) | 09 10 42.85 (0.08) | 09 10 42.84 | |||
| Spectral type | sdB | sdB | SD_auto | ||||||
| Effective temperature | [K] | 28883.0 (331) | |||||||
| log(g) | [cgs] | 5.36 (0.07) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.25 (0.1) | 0.29 (0.2) | 0.29 (0.2) | 0.25 (0.1) | ||||
| Distance | [pc] | 3976.59 (1528) | 3491.62 (2197) | 3491.62 (2197) | 3976.14 (1529) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -6.420687689 (0.1) | -5.967 (0.3) | -5.967 (0.3) | -6.421 (0.1) | -6.8 | |||
| Proper motion (declination) | [mas/yr] | -8.762390465 (0.08) | -8.493 (0.3) | -8.493 (0.3) | -8.762 (0.09) | -8.5 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.37 (0.01) | 17.37 (0.01) | 17.37 (0.01) | 17.41 (0.02) | |||||
| g magnitude | 17.45 (0.005) | 17.45 (0.005) | 17.45 (0.005) | 17.48 (0.01) | |||||
| r magnitude | 17.82 (0.007) | 17.82 (0.007) | 17.82 (0.007) | 17.84 (0.01) | |||||
| i magnitude | 18.11 (0.009) | 18.11 (0.009) | 18.11 (0.009) | 18.15 (0.01) | |||||
| z magnitude | 18.35 (0.02) | 18.35 (0.03) | 18.35 (0.03) | 18.34 (0.03) | |||||
| G magnitude | 17.64 (0.008) | 17.67 (0.003) | 17.67 | 17.64 (0.003) | |||||
| BP magnitude | 17.57 (0.008) | 17.45 (0.04) | 17.45 | ||||||
| RP magnitude | 17.81 (0.01) | 17.77 (0.03) | 17.77 | ||||||
| Pan g magnitude | 17.51 (0.004) | 17.52 (0.004) | |||||||
| Pan r magnitude | 17.84 (0.007) | 17.84 (0.007) | |||||||
| Pan i magnitude | 18.14 (0.004) | 18.14 (0.004) | |||||||
| Pan z magnitude | 18.35 (0.01) | 18.35 (0.01) | |||||||
| Pan y magnitude | 18.53 (0.02) | 18.53 (0.02) | |||||||
| E(B-V) | 0.053 | ||||||||
* 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.