All names: GALEX J073435.8+423901, Gaia DR3 924844967231016832, Gaia DR2 924844967231016832, SDSS J073435.82+423900.7, LAMOST J073435.82+423900.7, SDSS J073435.82+423900.8, SDSSJ073435.82+423900.8
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 34 35.83 | 07 34 35.82 (0.06) | ||
| Declination | 42 39 00.75 | 42 39 00.79 (0.04) | ||
| Spectral type | sdB | sdB/sdO | ||
| Effective temperature | [K] | 29598.0 (229) | ||
| log(g) | [cgs] | 5.76 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.22 (0.09) | 0.13 (0.07) | |
| Distance | [pc] | 4629.63 (2013) | 7446.02 (3676) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.737 (0.2) | 2.659 (0.07) | |
| Proper motion (declination) | [mas/yr] | -4.593 (0.1) | -4.416 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 16.74 (0.006) | 16.74 (0.006) | ||
| g magnitude | 16.85 (0.004) | 16.84 (0.004) | ||
| r magnitude | 17.31 (0.005) | 17.30 (0.005) | ||
| i magnitude | 17.61 (0.007) | 17.60 (0.007) | ||
| z magnitude | 17.88 (0.02) | 17.87 (0.02) | ||
| G magnitude | 17.12 (0.001) | 17.09 (0.003) | ||
| BP magnitude | 16.94 (0.009) | |||
| RP magnitude | 17.32 (0.02) | |||
| Pan g magnitude | 16.94 (0.004) | |||
| Pan r magnitude | 17.31 (0.003) | |||
| Pan i magnitude | 17.63 (0.002) | |||
| Pan z magnitude | 17.90 (0.006) | |||
| Pan y magnitude | 18.06 (0.01) | |||
| E(B-V) | 0.049 | |||
* 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.