All names: GALEX J172533.3+523321, Gaia EDR3 1415985678802835072, LAMOSTJ172533.31+523321.1, SDSS J172533.31+523321.1, Gaia DR2 1415985678802835072, Gaia DR3 1415985678802835072, LAMOST J172533.31+523321.1
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 17 25 33.31 (0.04) | 17 25 33.32 | 17 25 33.31 (0.04) | ||
| Declination | 52 33 21.01 (0.04) | 52 33 21.10 | 52 33 21.11 (0.04) | ||
| Spectral type | He-sdOB | sdB/sdO | |||
| Effective temperature | [K] | 40163.0 (511) | |||
| log(g) | [cgs] | 6.13 (0.08) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.42 (0.04) | 0.42 (0.06) | 0.42 (0.04) | |
| Distance | [pc] | 2399.23 (249) | 2354.05 (327) | 2399.23 (249) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.804 (0.05) | -2.84 (0.1) | -2.804 (0.05) | |
| Proper motion (declination) | [mas/yr] | -6.449 (0.06) | -6.591 (0.1) | -6.449 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.17 (0.005) | 16.18 (0.005) | |||
| g magnitude | 16.52 (0.004) | 16.54 (0.004) | |||
| r magnitude | 16.99 (0.004) | 17.01 (0.004) | |||
| i magnitude | 17.35 (0.006) | 17.37 (0.006) | |||
| z magnitude | 17.65 (0.02) | 17.66 (0.02) | |||
| G magnitude | 16.84 (0.003) | 16.87 (0.002) | 16.84 (0.003) | ||
| BP magnitude | 16.71 (0.005) | 16.64 (0.008) | |||
| RP magnitude | 17.12 (0.01) | 17.11 (0.006) | |||
| Pan g magnitude | 16.67 (0.005) | ||||
| Pan r magnitude | 17.07 (0.004) | ||||
| Pan i magnitude | 17.43 (0.005) | ||||
| Pan z magnitude | 17.68 (0.006) | ||||
| Pan y magnitude | 17.91 (0.02) | ||||
| E(B-V) | 0.029 | ||||
* 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.