All names: 1RXS J165851.0+341852, FBS B 589, RX J1658.8+3419, 2EUVE J1658+34.3, [ZEH2003] RX J1658.8+3418 2, SDSS J165851.11+341853.2, Gaia EDR3 1337946019956816256, GALEX J165851.1+341852, Gaia DR2 1337946019956816256, Gaia DR3 1337946019956816256, WD 1657+343, PG 1657+344, SDSS J165851.11+341853.3, EUVE J1658+34.3, RX J1658.8+3418, TIC 471015233, LAMOST J165851.11+341853.2, LAMOST J165851.12+341853.0, PSO J254.7130+34.3147, SDSS J165851.12+341853.0, FBS 1657+344
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 58 51.12 (0.04) | 16 58 51.12 | 16 58 51.12 (0.06) | 16 58 51.12 | 16 58 51.11 (0.04) | 16 58 51.12 | 16 58 50.78 | 16 58 51.11 | ||||||||
| Declination | 34 18 52.82 (0.05) | 34 18 53.32 | 34 18 52.84 (0.06) | 34 18 52.82 | 34 18 53.32 (0.05) | 34 18 53.29 | 34 18 50.04 | 34 18 53.26 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA.9 | DA_auto | DA1 | DA | DA | ||||||
| Effective temperature | [K] | 52153.0 (644) | 58842.0 (3221) | 53760.0 (1329) | 56730.0 (890) | 60943.0 (1105) | 56439.0 (885) | |||||||||
| log(g) | [cgs] | 7.78 (0.04) | 8.00 (0.2) | 7.62 (0.09) | 7.71 (0.06) | 7.84 (0.06) | 7.74 (0.05) | |||||||||
| Mass | [M☉] | 0.59 (0.02) | 0.71 (0.1) | 0.55 (0.03) | 0.58 (0.02) | |||||||||||
| log(Luminosity) | [L☉] | 0.26 (0.04) | ||||||||||||||
| Cooling age | [Gyr] | 0.0017 (0.0001) | 0.0016 | |||||||||||||
| log(H/He) | ||||||||||||||||
| log(C/He) | ||||||||||||||||
| log(Ca/He) | ||||||||||||||||
| log(Ca/H) | ||||||||||||||||
| log(C/H) | ||||||||||||||||
| log(N/H) | ||||||||||||||||
| log(O/H) | ||||||||||||||||
| log(Na/H) | ||||||||||||||||
| log(Mg/H) | ||||||||||||||||
| log(Al/H) | ||||||||||||||||
| log(Si/H) | ||||||||||||||||
| log(P/H) | ||||||||||||||||
| log(S/H) | ||||||||||||||||
| log(Sc/H) | ||||||||||||||||
| log(Ti/H) | ||||||||||||||||
| log(Cr/H) | ||||||||||||||||
| log(Mn/H) | ||||||||||||||||
| log(Fe/H) | ||||||||||||||||
| log(Ni/H) | ||||||||||||||||
| Parallax | [mas] | 2.97 (0.05) | 2.98 (0.07) | 2.97 | 2.97 (0.05) | |||||||||||
| Distance | [pc] | 337.17 (6) | 335.45 (8) | 398.00 | 337.17 | 337.17 (6) | ||||||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.878776861 (0.05) | 8.766371115 (0.1) | 8.879 (0.05) | 12.8 | |||||||||||
| Proper motion (declination) | [mas/yr] | -31.24684422 (0.06) | -31.22719493 (0.1) | -31.247 (0.06) | -31.8 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.12 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | ||||||||||||||||
| H magnitude | ||||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 15.75 (0.005) | 15.75 (0.005) | 15.77 (0.01) | 15.77 | 15.75 (0.01) | |||||||||||
| g magnitude | 16.14 (0.003) | 16.14 (0.003) | 16.17 (0.01) | 16.17 | 16.16 (0.01) | |||||||||||
| r magnitude | 16.69 (0.004) | 16.69 (0.004) | 16.70 (0.01) | 16.69 (0.01) | ||||||||||||
| i magnitude | 17.05 (0.005) | 17.05 (0.005) | 17.07 (0.01) | 17.06 (0.01) | ||||||||||||
| z magnitude | 17.39 (0.02) | 17.39 (0.01) | 17.38 (0.02) | 17.39 (0.02) | ||||||||||||
| G magnitude | 16.42 (0.004) | 16.45 | 16.42 | 16.42 (0.003) | ||||||||||||
| BP magnitude | 16.26 (0.004) | 16.20 | ||||||||||||||
| RP magnitude | 16.76 (0.006) | 16.75 | ||||||||||||||
| Pan g magnitude | 16.23 (0.004) | |||||||||||||||
| Pan r magnitude | 16.70 (0.002) | |||||||||||||||
| Pan i magnitude | 17.07 (0.002) | |||||||||||||||
| Pan z magnitude | 17.37 (0.007) | |||||||||||||||
| Pan y magnitude | 17.59 (0.01) | |||||||||||||||
| E(B-V) | 0.020 | |||||||||||||||
* 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.