SDSS J163708.04+474559.9
All names: Gaia DR3 1410306971827062272, SDSS J163708.04+474600.1, SDSS J163708.04+474560.0, Gaia EDR3 1410306971827062272, SDSS J163707.98+474559.7, SDSS J163708.04+474559.9, SDSS J163708.04+474600.0, SDSS J163708.03+474559.9, WD 1635+478, Gaia DR2 1410306971827062272, WIRED J163708.04+474559.9, GALEX J163708.0+474600
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | 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 37 07.97 (0.1) | 16 37 08.04 | 16 37 07.97 (0.1) | 16 37 08.04 | 16 37 07.97 | 16 37 08.05 (0.1) | 16 37 08.04 | 16 37 07.92 | 16 37 08.04 | ||||||
| Declination | 47 45 59.67 (0.1) | 47 45 59.94 | 47 45 59.68 (0.2) | 47 46 00.01 | 47 45 59.67 | 47 45 59.95 (0.1) | 47 45 59.93 | 47 45 56.88 | 47 45 59.96 | ||||||
| Spectral type | DA+M | DA+M | DA | DA | DA+M | DA+M: | DA dM | DA+M | DA | ||||||
| Effective temperature | [K] | 11683.0 | 13904.0 (450) | 14650.0 (340) | 10228.0 (242) | 13444.0 (247) | 12818.0 (316) | ||||||||
| log(g) | [cgs] | 7.74 | 7.73 (0.08) | 7.95 (0.05) | 7.35 (0.05) | 7.76 (0.04) | 7.88 (0.06) | ||||||||
| Mass | [M☉] | 0.464 | 0.47 (0.04) | 0.58 (0.03) | 0.306 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.2881 | 0.2089 | ||||||||||||
| 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] | 3.82 (0.1) | 4.02 (0.2) | 3.82 | 3.82 (0.1) | ||||||||||
| Distance | [pc] | 261.71 (8) | 248.64 (10) | 261.71 | 261.71 (8) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -49.38535899 (0.1) | -49.81341388 (0.3) | -49.385 (0.1) | -47.5 | ||||||||||
| Proper motion (declination) | [mas/yr] | -17.31045614 (0.1) | -17.6362321 (0.4) | -17.31 (0.1) | -16.0 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.55 (0.01) | 18.54 | 18.55 (0.01) | 18.54 (0.02) | 18.54 | 18.54 (0.02) | |||||||||
| g magnitude | 18.23 (0.006) | 18.25 | 18.23 (0.006) | 18.25 (0.02) | 18.25 | 18.25 (0.02) | |||||||||
| r magnitude | 18.53 (0.008) | 18.50 | 18.53 (0.008) | 18.50 (0.01) | 18.50 | 18.50 (0.01) | |||||||||
| i magnitude | 18.66 (0.01) | 18.65 | 18.66 (0.01) | 18.65 (0.01) | 18.65 | 18.65 (0.02) | |||||||||
| z magnitude | 18.55 (0.03) | 18.55 | 18.55 (0.03) | 18.55 (0.04) | 18.55 | 18.55 (0.03) | |||||||||
| G magnitude | 18.33 (0.01) | 18.37 | 18.33 | 18.33 (0.003) | |||||||||||
| BP magnitude | 18.35 (0.01) | 18.33 | |||||||||||||
| RP magnitude | 18.29 (0.02) | 18.29 | |||||||||||||
| Pan g magnitude | 18.27 (0.008) | ||||||||||||||
| Pan r magnitude | 18.51 (0.007) | ||||||||||||||
| Pan i magnitude | 18.66 (0.006) | ||||||||||||||
| Pan z magnitude | 18.66 (0.01) | ||||||||||||||
| Pan y magnitude | 18.49 (0.03) | ||||||||||||||
| E(B-V) | 0.018 | ||||||||||||||
* Constant surface field
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