All names: GALEX J175234.4+405739, Gaia DR2 1344977912211651456, SDSS J175234.43+405739.6, FBS1751+409, Gaia DR3 1344977912211651456, 2MASX J17523594+4057169, Gaia EDR3 1344977912211651456, FBS B 162, UCAC4 655-062790, FBS 1751+409
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 17 52 34.43 (0.03) | 17 52 34.46 | 17 52 34.43 (0.03) | ||
| Declination | 40 57 39.60 (0.03) | 40 57 39.90 | 40 57 39.62 (0.03) | ||
| Spectral type | sd | sdOA | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.48 (0.04) | 0.52 (0.05) | 0.48 (0.04) | |
| Distance | [pc] | 2097.76 (161) | 1907.67 (174) | 2097.76 (161) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.933 (0.04) | -1.055 (0.1) | -0.933 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.439 (0.05) | -1.425 (0.1) | -1.439 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.16 (0.06) | ||||
| V magnitude | 16.40 (0.06) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.59 (0.1) | ||||
| H magnitude | 13.89 (0.1) | ||||
| K magnitude | 13.59 (0.1) | ||||
| u magnitude | 15.88 (0.005) | 15.89 (0.02) | |||
| g magnitude | 16.04 (0.003) | 16.07 (0.01) | |||
| r magnitude | 16.51 (0.004) | 16.52 (0.02) | |||
| i magnitude | 16.87 (0.005) | 16.87 (0.02) | |||
| z magnitude | 17.14 (0.01) | 17.14 (0.02) | |||
| G magnitude | 16.32 (0.003) | 16.35 (0.001) | 16.32 (0.003) | ||
| BP magnitude | 16.20 (0.005) | 16.13 (0.006) | |||
| RP magnitude | 16.57 (0.006) | 16.57 (0.005) | |||
| Pan g magnitude | 16.16 (0.001) | ||||
| Pan r magnitude | 16.57 (0.003) | ||||
| Pan i magnitude | 16.92 (0.002) | ||||
| Pan z magnitude | 17.18 (0.005) | ||||
| Pan y magnitude | 17.36 (0.008) | ||||
| E(B-V) | 0.032 | ||||
* 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.