All names: TYC1773-399-1, TIC 118334802, Gaia DR2 107665724780053376, 2MASS J02174215+2803295, Gaia EDR3 107665724780053376, Gaia DR3 107665724780053376, LAMOST J021742.15+280329.5, TYC 1773-399-1
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 17 42.19 (0.05) | 02 17 42.16 | 02 17 42.16 (0.05) | ||
| Declination | 28 03 29.36 (0.04) | 28 03 29.52 | 28 03 29.43 (0.04) | ||
| Spectral type | sdOB | sdB | |||
| Effective temperature | [K] | 34141.0 (38) | |||
| log(g) | [cgs] | 5.76 (0.01) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 3.80 (0.05) | 3.83 (0.08) | 3.80 (0.05) | |
| Distance | [pc] | 263.05 (4) | 261.14 (6) | 263.05 (4) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 28.892 (0.06) | 29.107 (0.1) | 28.892 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.955 (0.05) | -3.852 (0.1) | -3.955 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.63 (0.08) | ||||
| V magnitude | 11.55 (0.1) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 12.38 (0.02) | 12.38 (0.02) | |||
| H magnitude | 12.48 (0.02) | 12.48 (0.02) | |||
| K magnitude | 12.54 (0.02) | 12.54 (0.02) | |||
| u magnitude | 11.92 (0.002) | ||||
| g magnitude | 11.93 (0.001) | ||||
| r magnitude | 12.12 (0.001) | ||||
| i magnitude | 12.46 (0.002) | ||||
| z magnitude | 13.27 (0.006) | ||||
| G magnitude | 11.76 (0.003) | 11.78 (0.0008) | 11.76 (0.003) | ||
| BP magnitude | 11.63 (0.004) | 11.59 (0.009) | |||
| RP magnitude | 12.01 (0.004) | 12.01 (0.002) | |||
| Pan g magnitude | 11.67 | ||||
| Pan r magnitude | 12.09 | ||||
| Pan i magnitude | 12.43 | ||||
| Pan z magnitude | 12.69 | ||||
| Pan y magnitude | 12.78 (0.006) | ||||
| E(B-V) | 0.083 | ||||
* 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.