All names: Gaia DR3 4602217921939634432, UCAC4 619-055656, SDSS J173549.62+334122.0, 2MASS J17354963+3341220, Gaia DR2 4602217921939634432, SDSS J173549.63+334122.0, SDSSJ173549.62+334122.0, GALEX J173549.7+334122
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 35 49.63 | 17 35 49.63 (0.02) | ||
| Declination | 33 41 22.06 | 33 41 21.98 (0.02) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.25 (0.04) | 0.28 (0.02) | |
| Distance | [pc] | 3988.83 (562) | 3572.70 (257) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.83 (0.06) | -1.966 (0.02) | |
| Proper motion (declination) | [mas/yr] | 9.365 (0.07) | 9.436 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.48 (0.03) | |||
| V magnitude | 14.57 (0.06) | |||
| R magnitude | 14.81 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.86 (0.04) | 14.86 (0.04) | ||
| H magnitude | 14.81 (0.06) | 14.81 (0.06) | ||
| K magnitude | 14.81 (0.1) | 14.81 (0.1) | ||
| u magnitude | 14.89 (0.004) | 14.89 (0.004) | ||
| g magnitude | 14.41 (0.004) | 14.46 (0.03) | ||
| r magnitude | 14.77 (0.004) | 14.76 (0.02) | ||
| i magnitude | 15.02 (0.004) | 14.91 (0.02) | ||
| z magnitude | 15.21 (0.005) | 15.21 (0.005) | ||
| G magnitude | 14.61 (0.0004) | 14.60 (0.003) | ||
| BP magnitude | 14.53 (0.003) | |||
| RP magnitude | 14.69 (0.002) | |||
| Pan g magnitude | 14.49 (0.005) | |||
| Pan r magnitude | 14.77 (0.002) | |||
| Pan i magnitude | 15.03 (0.002) | |||
| Pan z magnitude | 15.22 (0.005) | |||
| Pan y magnitude | 15.30 (0.005) | |||
| E(B-V) | 0.028 | |||
* 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.