SDSS J164615.63+322733.9
All names: SDSS J164615.63+322733.9, Gaia DR2 1314052013080957952, Gaia EDR3 1314052013080957952, WD 1644+325, GALEX J164615.6+322733, SDSS J164615.64+322734.0, Gaia DR3 1314052013080957952
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 46 15.63 (0.4) | 16 46 15.64 | 16 46 15.63 (0.6) | 16 46 15.64 (0.4) | 16 46 15.64 | 16 46 15.46 | 16 46 15.64 | |||||
| Declination | 32 27 33.79 (0.5) | 32 27 33.98 | 32 27 33.80 (0.7) | 32 27 34.05 (0.5) | 32 27 34.00 | 32 27 33.12 | 32 27 34.00 | |||||
| Spectral type | DA | DA+M | DA | DA | DA+M: | DA | ||||||
| Effective temperature | [K] | 13954.0 | 17891.0 (845) | 17488.0 (922) | ||||||||
| log(g) | [cgs] | 9.27 | 8.96 (0.05) | 9.38 (0.2) | ||||||||
| Mass | [M☉] | 1.294 | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.3910 | ||||||||||
| 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] | 4.97 (0.6) | 4.82 (0.8) | 4.97 (0.6) | ||||||||
| Distance | [pc] | 201.19 (24) | 207.32 (35) | 201.19 (24) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.986231039 (0.6) | -8.166388203 (1) | -8.986 (0.6) | -5.4 | |||||||
| Proper motion (declination) | [mas/yr] | -16.28100524 (0.8) | -15.62509686 (2) | -16.281 (0.8) | -14.2 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.27 (0.04) | 20.27 (0.04) | 20.25 (0.05) | 20.25 | 20.26 (0.05) | |||||||
| g magnitude | 20.24 (0.02) | 20.24 (0.02) | 20.26 (0.02) | 20.26 | 20.26 (0.02) | |||||||
| r magnitude | 20.49 (0.03) | 20.49 (0.03) | 20.47 (0.03) | 20.47 | 20.47 (0.03) | |||||||
| i magnitude | 20.73 (0.05) | 20.73 (0.05) | 20.71 (0.05) | 20.72 | 20.72 (0.05) | |||||||
| z magnitude | 20.85 (0.2) | 20.84 (0.2) | 20.86 (0.2) | 20.87 | 20.85 (0.2) | |||||||
| G magnitude | 20.38 (0.1) | 20.46 | 20.38 (0.007) | |||||||||
| BP magnitude | 20.43 (0.1) | 20.36 | ||||||||||
| RP magnitude | 20.26 (0.1) | 20.40 | ||||||||||
| Pan g magnitude | 20.25 (0.02) | |||||||||||
| Pan r magnitude | 20.54 (0.01) | |||||||||||
| Pan i magnitude | 20.78 (0.02) | |||||||||||
| Pan z magnitude | 20.82 (0.04) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.018 | |||||||||||
* Constant surface field
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