All names: SDSS J074811.70+134349.2, LAMOST J074811.69+134349.3, TIC 17561485, Gaia DR2 3164383748798177792, GALEX J074811.7+134348, Gaia EDR3 3164383748798177792, SDSSJ074811.70+134349.2, 2MASS J07481169+1343493, Gaia DR3 3164383748798177792
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 48 11.70 (0.05) | 07 48 11.70 | 07 48 11.70 (0.05) | ||
| Declination | 13 43 49.31 (0.04) | 13 43 49.27 | 13 43 49.35 (0.04) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 25217.0 (363) | |||
| log(g) | [cgs] | 5.49 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.69 (0.06) | 0.60 (0.07) | 0.69 (0.06) | |
| Distance | [pc] | 1446.13 (123) | 1677.57 (200) | 1446.13 (123) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.314 (0.06) | -1.363 (0.1) | -1.314 (0.06) | |
| Proper motion (declination) | [mas/yr] | -2.782 (0.04) | -2.694 (0.09) | -2.782 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.05 (0.09) | 16.05 (0.09) | |||
| H magnitude | 15.39 | ||||
| K magnitude | 15.53 | ||||
| u magnitude | 15.38 (0.004) | 15.40 (0.02) | |||
| g magnitude | 15.40 (0.003) | 15.42 (0.01) | |||
| r magnitude | 15.86 (0.004) | 15.86 (0.009) | |||
| i magnitude | 16.17 (0.004) | 16.17 (0.02) | |||
| z magnitude | 16.43 (0.009) | 16.44 (0.02) | |||
| G magnitude | 15.64 (0.003) | 15.66 (0.001) | 15.64 (0.003) | ||
| BP magnitude | 15.53 (0.005) | 15.48 (0.006) | |||
| RP magnitude | 15.87 (0.008) | 15.86 (0.009) | |||
| Pan g magnitude | 15.47 (0.004) | ||||
| Pan r magnitude | 15.87 (0.004) | ||||
| Pan i magnitude | 16.20 (0.004) | ||||
| Pan z magnitude | 16.43 (0.007) | ||||
| Pan y magnitude | 16.60 (0.009) | ||||
| E(B-V) | 0.029 | ||||
* 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.