SDSS J164522.39+243903.8
All names: Gaia DR3 1300194764956135808, SDSS J164522.39+243903.8, Gaia DR2 1300194764956135808, GALEX J164522.3+243904, SDSS J164522.39+243903.9, SDSS J164522.38+243903.8, SDSS J164522.38+243903.9, WD 1643+247, Gaia EDR3 1300194764956135808
| 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 45 22.37 (0.2) | 16 45 22.38 | 16 45 22.37 (0.3) | 16 45 22.39 (0.2) | 16 45 22.39 | 16 45 21.72 | 16 45 22.39 | |||||
| Declination | 24 39 03.97 (0.3) | 24 39 03.98 | 24 39 03.97 (0.5) | 24 39 03.89 (0.3) | 24 39 03.88 | 24 38 59.28 | 24 39 03.88 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 18060.0 | 17860.0 (576) | 18287.0 (650) | ||||||||
| log(g) | [cgs] | 7.52 | 7.96 (0.1) | 8.01 (0.1) | ||||||||
| Mass | [M☉] | 0.394 | 0.624 (0.08) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0508 | ||||||||||
| 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] | 1.70 (0.5) | 1.23 (0.6) | 1.70 (0.5) | ||||||||
| Distance | [pc] | 589.67 (157) | 813.70 (422) | 589.66 (157) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -14.16561319 (0.3) | -13.98316943 (0.9) | -14.166 (0.3) | -5.4 | |||||||
| Proper motion (declination) | [mas/yr] | 4.858603827 (0.5) | 4.492149582 (1) | 4.859 (0.5) | 3.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.01 (0.04) | 20.01 (0.04) | 19.94 (0.05) | 19.94 | 19.94 (0.05) | |||||||
| g magnitude | 19.84 (0.01) | 19.84 (0.01) | 19.80 (0.02) | 19.80 | 19.81 (0.02) | |||||||
| r magnitude | 20.11 (0.02) | 20.11 (0.02) | 20.16 (0.03) | 20.16 | 20.16 (0.03) | |||||||
| i magnitude | 20.38 (0.03) | 20.38 (0.04) | 20.41 (0.04) | 20.41 | 20.42 (0.03) | |||||||
| z magnitude | 20.65 (0.1) | 20.65 (0.1) | 20.54 (0.1) | 20.54 | 20.55 (0.1) | |||||||
| G magnitude | 20.00 (0.05) | 20.06 | 20.00 (0.005) | |||||||||
| BP magnitude | 19.93 (0.05) | 20.04 | ||||||||||
| RP magnitude | 20.03 (0.09) | 20.02 | ||||||||||
| Pan g magnitude | 19.89 (0.01) | |||||||||||
| Pan r magnitude | 20.15 (0.03) | |||||||||||
| Pan i magnitude | 20.45 (0.03) | |||||||||||
| Pan z magnitude | 20.54 (0.04) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.033 | |||||||||||
* Constant surface field
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