All names: SDSS J074154.03+475036.33, SDSS J074154.03+475036.0, SDSSJ074154.04+475036.1, Gaia DR2 975769054429737728, 2MASS J07415403+4750359, Gaia EDR3 975769054429737728, SDSS J074154.03+475036.3, SDSS J074154.02+475036.3, GALEX J074154.0+475036, Gaia DR3 975769054429737728
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 41 54.05 (0.06) | 07 41 54.04 | 07 41 54.04 | 07 41 54.04 (0.07) | 07 41 54.04 (0.06) | ||||
| Declination | 47 50 35.94 (0.05) | 47 50 36.03 | 47 50 36.10 | 47 50 35.95 (0.06) | 47 50 36.13 (0.05) | ||||
| Spectral type | sdB | sdB | sdB0.2He7+F/K | ||||||
| Effective temperature | [K] | 26691.0 (1346) | 28419.0 (112) | ||||||
| log(g) | [cgs] | 4.93 (0.2) | 5.16 (0.02) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.10 (0.07) | 0.21 (0.1) | 0.21 (0.1) | 0.10 (0.07) | ||||
| Distance | [pc] | 9748.53 (6433) | 4657.66 (2161) | 4657.66 (2161) | 9746.59 (6431) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.91156157 (0.06) | 3.235 (0.1) | 3.235 (0.1) | 2.912 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -11.86077414 (0.05) | -11.828 (0.1) | -11.828 (0.1) | -11.861 (0.05) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.43 (0.1) | 16.43 (0.1) | |||||||
| H magnitude | 16.09 (0.2) | 16.09 (0.2) | |||||||
| K magnitude | 16.31 | ||||||||
| u magnitude | 16.93 (0.008) | 16.95 (0.008) | 16.96 (0.01) | 16.95 (0.008) | |||||
| g magnitude | 16.75 (0.004) | 16.75 (0.004) | 16.77 (0.01) | 16.75 (0.004) | |||||
| r magnitude | 16.86 (0.005) | 16.86 (0.005) | 16.86 (0.01) | 16.86 (0.005) | |||||
| i magnitude | 16.94 (0.006) | 16.94 (0.006) | 16.92 (0.02) | 16.94 (0.006) | |||||
| z magnitude | 17.02 (0.01) | 17.01 (0.01) | 17.02 (0.02) | 17.01 (0.01) | |||||
| G magnitude | 16.76 (0.007) | 16.78 (0.001) | 16.78 | 16.76 (0.003) | |||||
| BP magnitude | 16.82 (0.007) | 16.78 (0.01) | 16.78 | ||||||
| RP magnitude | 16.62 (0.007) | 16.62 (0.006) | 16.62 | ||||||
| Pan g magnitude | 16.79 (0.005) | 16.79 (0.005) | |||||||
| Pan r magnitude | 16.88 (0.004) | 16.88 (0.004) | |||||||
| Pan i magnitude | 16.95 (0.002) | 16.95 (0.002) | |||||||
| Pan z magnitude | 17.05 (0.005) | 17.05 (0.005) | |||||||
| Pan y magnitude | 17.08 (0.009) | 17.09 (0.009) | |||||||
| E(B-V) | 0.074 | ||||||||
* 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.