SDSS J165919.50+193652.3
All names: WD 1657+196, SDSS J165919.50+193652.4, SDSS J165919.49+193652.4, SDSS J165919.50+193652.3, Gaia DR2 4561263037951814528, Gaia DR3 4561263037951814528, Gaia EDR3 4561263037951814528
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | 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 59 19.51 (0.1) | 16 59 19.50 | 16 59 19.51 (0.1) | 16 59 19.51 | 16 59 19.50 (0.1) | 16 59 19.50 | 16 59 18.79 | 16 59 19.50 | ||||||
| Declination | 19 36 52.54 (0.1) | 19 36 52.41 | 19 36 52.53 (0.1) | 19 36 52.54 | 19 36 52.37 (0.1) | 19 36 52.41 | 19 36 51.12 | 19 36 52.41 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 13193.0 | 17000.0 (430) | 14817.0 (676) | 16180.0 (280) | 16530.0 (293) | ||||||||
| log(g) | [cgs] | 7.82 | 7.88 (0.08) | 7.99 (0.07) | 7.85 (0.06) | 7.87 (0.06) | ||||||||
| Mass | [M☉] | 0.507 | 0.55 (0.04) | 0.606 (0.05) | 0.55 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.2226 | 0.1148 | |||||||||||
| 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] | 3.42 (0.2) | 3.25 (0.2) | 3.42 | 3.42 (0.2) | |||||||||
| Distance | [pc] | 292.52 (14) | 308.03 (19) | 292.52 | 292.53 (14) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.873254159 (0.1) | 9.691106221 (0.3) | 9.873 (0.1) | 11.1 | |||||||||
| Proper motion (declination) | [mas/yr] | 10.53546175 (0.1) | 10.45793633 (0.3) | 10.535 (0.1) | 9.6 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 18.92 (0.02) | 18.92 (0.02) | 18.90 (0.02) | 18.89 | 18.92 (0.02) | |||||||||
| g magnitude | 18.56 (0.008) | 18.56 (0.008) | 18.61 (0.01) | 18.60 | 18.59 (0.01) | |||||||||
| r magnitude | 18.85 (0.01) | 18.85 (0.01) | 18.87 (0.01) | 18.86 | 18.86 (0.01) | |||||||||
| i magnitude | 19.06 (0.01) | 19.06 (0.01) | 19.16 (0.02) | 19.16 | 19.13 (0.02) | |||||||||
| z magnitude | 19.38 (0.06) | 19.38 (0.06) | 19.41 (0.05) | 19.41 | 19.38 (0.05) | |||||||||
| G magnitude | 18.72 (0.02) | 18.75 | 18.72 | 18.72 (0.003) | ||||||||||
| BP magnitude | 18.71 (0.02) | 18.67 | ||||||||||||
| RP magnitude | 18.84 (0.02) | 18.80 | ||||||||||||
| Pan g magnitude | 18.62 (0.007) | |||||||||||||
| Pan r magnitude | 18.85 (0.005) | |||||||||||||
| Pan i magnitude | 19.11 (0.009) | |||||||||||||
| Pan z magnitude | 19.35 (0.02) | |||||||||||||
| Pan y magnitude | 19.41 (0.04) | |||||||||||||
| E(B-V) | 0.041 | |||||||||||||
* Constant surface field
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