All names: GALEX J173449.2+321343, SDSSJ173449.27+321344.1, 2MASS J17344926+3213441, Gaia DR3 4601695482117284352, Gaia DR2 4601695482117284352, Gaia EDR3 4601695752699667968, SDSS J173449.27+321344.1, TIC 39570743
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 17 34 41.67 (0.4) | 17 34 49.27 | 17 34 49.27 (0.01) | ||
| Declination | 32 14 42.26 (0.4) | 32 13 44.13 | 32 13 44.20 (0.02) | ||
| Spectral type | sd | 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] | 1.97 (0.5) | 0.32 (0.03) | 0.36 (0.02) | |
| Distance | [pc] | 507.43 (123) | 3128.91 (251) | 2748.01 (142) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.212 (0.6) | 3.145 (0.04) | 3.079 (0.02) | |
| Proper motion (declination) | [mas/yr] | -13.518 (0.6) | -8.48 (0.05) | -8.407 (0.02) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.40 (0.03) | 14.40 (0.03) | |||
| H magnitude | 14.17 (0.04) | 14.17 (0.04) | |||
| K magnitude | 13.99 (0.06) | 13.99 (0.06) | |||
| u magnitude | 15.21 (0.005) | 15.21 (0.005) | |||
| g magnitude | 15.01 (0.004) | 15.01 (0.004) | |||
| r magnitude | 15.04 (0.004) | 15.04 (0.004) | |||
| i magnitude | 15.07 (0.005) | 15.07 (0.005) | |||
| z magnitude | 15.11 (0.005) | 15.10 (0.006) | |||
| G magnitude | 20.47 (0.006) | 14.96 (0.0005) | 14.94 (0.003) | ||
| BP magnitude | 20.87 (0.1) | 15.02 (0.004) | |||
| RP magnitude | 19.73 (0.06) | 14.73 (0.002) | |||
| Pan g magnitude | 15.04 (0.006) | ||||
| Pan r magnitude | 15.05 (0.002) | ||||
| Pan i magnitude | 15.07 (0.003) | ||||
| Pan z magnitude | 15.13 (0.009) | ||||
| Pan y magnitude | 15.14 (0.003) | ||||
| 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.