All names: Gaia EDR3 3145755479203737856, Gaia DR2 3145755479203737856, GALEX J075147.0+092526, 2MASS J07514715+0925283, TIC 320417198, UCAC4 498-048793, Gaia DR3 3145755479203737856, GALEX J075147.1+092526, GALEXJ07517+0925
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 51 47.13 (0.03) | 07 51 47.11 | 07 51 47.14 (0.03) | ||
| Declination | 09 25 28.04 (0.02) | 09 25 26.77 | 09 25 28.17 (0.02) | ||
| Spectral type | sdB+WD | sdB | |||
| Effective temperature | [K] | 30620.0 (490) | |||
| log(g) | [cgs] | 5.74 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.48 (0.04) | 1.44 (0.06) | 1.48 (0.04) | |
| Distance | [pc] | 676.59 (16) | 694.83 (27) | 676.59 (16) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.854 (0.04) | -6.834 (0.1) | -6.854 (0.04) | |
| Proper motion (declination) | [mas/yr] | -8.069 (0.02) | -7.914 (0.06) | -8.069 (0.02) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.94 (0.02) | ||||
| V magnitude | 14.09 (0.03) | ||||
| R magnitude | 14.35 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.64 (0.04) | 14.64 (0.04) | |||
| H magnitude | 14.87 (0.05) | 14.87 (0.05) | |||
| K magnitude | 14.85 (0.1) | 14.85 (0.1) | |||
| u magnitude | 13.64 (0.003) | ||||
| g magnitude | 13.80 (0.003) | 13.95 (0.02) | |||
| r magnitude | 14.28 (0.004) | 14.33 (0.01) | |||
| i magnitude | 14.61 (0.004) | 14.68 (0.07) | |||
| z magnitude | 14.93 (0.005) | ||||
| G magnitude | 14.06 (0.003) | 14.08 (0.0005) | 14.06 (0.003) | ||
| BP magnitude | 13.93 (0.003) | 13.86 (0.006) | |||
| RP magnitude | 14.32 (0.004) | 14.31 (0.002) | |||
| Pan g magnitude | 13.91 (0.003) | ||||
| Pan r magnitude | 14.31 (0.001) | ||||
| Pan i magnitude | 14.65 (0.003) | ||||
| Pan z magnitude | 14.92 (0.004) | ||||
| Pan y magnitude | 15.09 (0.005) | ||||
| E(B-V) | 0.026 | ||||
* 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.