All names: GALEX J094918.6+144142, SDSS J094918.63+144142.5, LAMOST J094918.62+144142.6, Gaia DR3 616217718374853376, SDSS J094918.62+144142.6, SDSS J094918.63+144142.58, SDSSJ094918.62+144142.6, SDSS J094918.62+144142.62, Gaia EDR3 616217718374853376, Gaia DR2 616217718374853376
| 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 | 09 49 18.62 (0.1) | 09 49 18.62 | 09 49 18.62 | 09 49 18.62 (0.2) | 09 49 18.63 (0.1) | |||||
| Declination | 14 41 42.58 (0.09) | 14 41 42.63 | 14 41 42.60 | 14 41 42.59 (0.1) | 14 41 42.69 (0.09) | |||||
| Spectral type | sdB | sdB | A/DA | sdB | ||||||
| Effective temperature | [K] | 29570.0 (1058) | 30740.0 (369) | 33939.0 (251) | ||||||
| log(g) | [cgs] | 5.34 (0.2) | 5.56 (0.07) | 5.98 (0.05) | ||||||
| Mass | [M☉] | 0.211 (0.001) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.03 (0.1) | 0.01 (0.2) | 0.01 (0.2) | 0.03 (0.1) | |||||
| Distance | [pc] | 37578.20 (196051) | 98039.22 (1864667) | 97803.46 (1856042) | 37593.98 (196167) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.936842269 (0.1) | -7.72 (0.3) | -7.719518384 (0.3) | -7.937 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | -6.331162584 (0.1) | -6.289 (0.2) | -6.289377502 (0.2) | -6.331 (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 | 17.63 (0.01) | 17.63 (0.01) | 17.64 (0.02) | 17.63 (0.02) | 17.63 (0.01) | |||||
| g magnitude | 17.79 (0.005) | 17.79 (0.005) | 17.79 (0.02) | 17.79 (0.02) | 17.79 (0.005) | |||||
| r magnitude | 18.29 (0.007) | 18.29 (0.007) | 18.29 (0.02) | 18.29 (0.02) | 18.29 (0.007) | |||||
| i magnitude | 18.62 (0.01) | 18.62 (0.01) | 18.62 (0.02) | 18.62 (0.02) | 18.62 (0.01) | |||||
| z magnitude | 18.91 (0.03) | 18.91 (0.03) | 18.92 (0.04) | 18.92 (0.04) | 18.91 (0.03) | |||||
| G magnitude | 18.05 (0.01) | 18.08 (0.003) | 18.08 | 18.05 (0.003) | ||||||
| BP magnitude | 17.95 (0.01) | 17.90 (0.02) | 17.90 | |||||||
| RP magnitude | 18.33 (0.03) | 18.22 (0.01) | 18.22 | |||||||
| Pan g magnitude | 17.87 (0.004) | 17.87 (0.004) | ||||||||
| Pan r magnitude | 18.28 (0.005) | 18.29 (0.005) | ||||||||
| Pan i magnitude | 18.63 (0.006) | 18.63 (0.006) | ||||||||
| Pan z magnitude | 18.87 (0.02) | 18.87 (0.01) | ||||||||
| Pan y magnitude | 19.03 (0.02) | 19.03 (0.02) | ||||||||
| E(B-V) | 0.024 | |||||||||
* 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.