All names: Gaia DR2 3385442588787812096, SDSSJ065057.12+272335.4, 2MASS J06505718+2723353, LAMOST J065057.12+272335.3, GALEX J065057.1+272335, TIC 87343712, Gaia DR3 3385442588787812096, SDSS J065057.12+272335.3
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 50 57.12 | 06 50 57.12 (0.04) | ||
| Declination | 27 23 35.40 | 27 23 35.38 (0.04) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 20822.0 (741) | ||
| log(g) | [cgs] | 5.12 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.38 (0.06) | 0.33 (0.04) | |
| Distance | [pc] | 2639.92 (431) | 3003.91 (400) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.038 (0.1) | 0.048 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.893 (0.1) | -1.759 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.41 (0.1) | 16.41 (0.1) | ||
| H magnitude | 16.08 (0.2) | 16.08 (0.2) | ||
| K magnitude | 15.85 (0.2) | 15.85 (0.2) | ||
| u magnitude | 16.20 (0.005) | 16.20 (0.005) | ||
| g magnitude | 15.94 (0.003) | 15.94 (0.003) | ||
| r magnitude | 16.25 (0.004) | 16.25 (0.004) | ||
| i magnitude | 16.48 (0.004) | 16.48 (0.004) | ||
| z magnitude | 16.70 (0.01) | 16.70 (0.01) | ||
| G magnitude | 16.14 (0.002) | 16.11 (0.003) | ||
| BP magnitude | 16.03 (0.007) | |||
| RP magnitude | 16.17 (0.004) | |||
| Pan g magnitude | 16.02 (0.003) | |||
| Pan r magnitude | 16.27 (0.002) | |||
| Pan i magnitude | 16.52 (0.003) | |||
| Pan z magnitude | 16.70 (0.01) | |||
| Pan y magnitude | 16.83 (0.009) | |||
| E(B-V) | 0.068 | |||
* 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.