All names: Gaia DR3 923503803562868608, Gaia DR2 923503803562868608, LAMOST J074314.07+403350.6, SDSSJ074314.07+403350.6, 2MASS J07431407+4033506, UCAC4 653-048948, SDSS J074314.07+403350.6, GALEX J074314.0+403350
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 43 14.08 | 07 43 14.07 (0.03) | ||
| Declination | 40 33 50.61 | 40 33 50.66 (0.02) | ||
| Spectral type | sd | sdB+F0V | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.45 (0.05) | 0.50 (0.03) | |
| Distance | [pc] | 2226.68 (246) | 1997.60 (120) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.883 (0.08) | 4.011 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.443 (0.05) | -0.44 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.30 (0.08) | |||
| V magnitude | 15.23 (0.1) | |||
| R magnitude | 15.62 (0.2) | |||
| I magnitude | ||||
| J magnitude | 14.75 (0.03) | 14.75 (0.03) | ||
| H magnitude | 14.62 (0.06) | 14.62 (0.06) | ||
| K magnitude | 14.57 (0.08) | 14.57 (0.08) | ||
| u magnitude | 15.35 (0.005) | 15.35 (0.005) | ||
| g magnitude | 15.10 (0.004) | 15.17 (0.07) | ||
| r magnitude | 15.20 (0.004) | 15.24 (0.1) | ||
| i magnitude | 15.26 (0.005) | 15.27 (0.01) | ||
| z magnitude | 15.37 (0.006) | 15.37 (0.006) | ||
| G magnitude | 15.13 (0.0005) | 15.11 (0.003) | ||
| BP magnitude | 15.15 (0.006) | |||
| RP magnitude | 14.97 (0.003) | |||
| Pan g magnitude | 15.16 (0.002) | |||
| Pan r magnitude | 15.22 (0.003) | |||
| Pan i magnitude | 15.30 (0.001) | |||
| Pan z magnitude | 15.40 (0.003) | |||
| Pan y magnitude | 15.46 (0.006) | |||
| E(B-V) | 0.040 | |||
* 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.