All names: GALEX J164330.8+512457, Gaia DR3 1413338325384928128, 2MASS J16433089+5124571, USNO-B1.0 1414-00267448, SDSS J164330.86+512457.2, TIC 274275802, Gaia DR2 1413338325384928128, LAMOST J164330.87+512457.1, SBSS 1642+515, SBSS1642+515
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 43 30.76 | 16 43 30.87 (0.03) | ||
| Declination | 51 24 57.80 | 51 24 57.16 (0.03) | ||
| Spectral type | sdOB | sdBO | ||
| Effective temperature | [K] | 35940.0 (550) | ||
| log(g) | [cgs] | 5.09 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.38 (0.05) | 0.33 (0.03) | |
| Distance | [pc] | 2649.01 (338) | 3042.29 (313) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.749 (0.09) | -2.816 (0.04) | |
| Proper motion (declination) | [mas/yr] | 0.716 (0.1) | 0.65 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 17.00 | |||
| V magnitude | ||||
| R magnitude | 16.30 | |||
| I magnitude | ||||
| J magnitude | 15.78 (0.06) | 15.78 (0.06) | ||
| H magnitude | 15.65 (0.1) | 15.65 (0.1) | ||
| K magnitude | 15.94 (0.3) | 15.94 (0.3) | ||
| u magnitude | 16.03 (0.005) | 16.03 (0.005) | ||
| g magnitude | 16.12 (0.004) | 16.12 (0.004) | ||
| r magnitude | 16.30 (0.005) | 16.30 (0.005) | ||
| i magnitude | 16.40 (0.005) | 16.39 (0.005) | ||
| z magnitude | 16.51 (0.009) | 16.51 (0.009) | ||
| G magnitude | 16.17 (0.001) | 16.15 (0.003) | ||
| BP magnitude | 16.12 (0.008) | |||
| RP magnitude | 16.07 (0.006) | |||
| Pan g magnitude | 16.16 (0.002) | |||
| Pan r magnitude | 16.31 (0.002) | |||
| Pan i magnitude | 16.41 (0.002) | |||
| Pan z magnitude | 16.52 (0.004) | |||
| Pan y magnitude | 16.57 (0.008) | |||
| E(B-V) | 0.022 | |||
* 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.