SDSS J163914.33+325518.2
All names: SDSS J163914.34+325518.1, Gaia DR3 1324823138223177600, GALEX J163914.2+325517, Gaia EDR3 1324823138223177600, SDSS J163914.33+325518.2, SDSS J163914.34+325518.2, WD 1637+330, Gaia DR2 1324823138223177600
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | 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 39 14.33 (0.1) | 16 39 14.34 | 16 39 14.33 (0.2) | 16 39 14.33 | 16 39 14.34 (0.1) | 16 39 14.35 | 16 39 14.16 | 16 39 14.34 | |||||
| Declination | 32 55 18.06 (0.1) | 32 55 18.20 | 32 55 18.06 (0.2) | 32 55 18.06 | 32 55 18.21 (0.1) | 32 55 18.18 | 32 55 16.32 | 32 55 18.18 | |||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 8371.0 | 9350.0 (321) | 8855.0 (78) | 8638.0 (87) | ||||||||
| log(g) | [cgs] | 7.95 | 8.19 (0.06) | 8.45 (0.2) | 8.21 (0.2) | ||||||||
| Mass | [M☉] | 0.568 | 0.715 (0.06) | 0.72 (0.1) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.8918 | |||||||||||
| 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] | 5.90 (0.2) | 5.89 (0.2) | 5.90 | 5.90 (0.2) | ||||||||
| Distance | [pc] | 169.63 (5) | 169.86 (6) | 169.63 | 169.63 (5) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.351564749 (0.2) | -10.17776932 (0.4) | -9.352 (0.2) | 1.9 | ||||||||
| Proper motion (declination) | [mas/yr] | -9.333623224 (0.2) | -9.231832115 (0.4) | -9.334 (0.2) | -8.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.42 (0.02) | 19.42 (0.03) | 19.39 (0.03) | 19.38 | 19.40 (0.03) | ||||||||
| g magnitude | 18.94 (0.009) | 18.94 (0.009) | 18.94 (0.01) | 18.93 | 18.94 (0.01) | ||||||||
| r magnitude | 18.95 (0.01) | 18.95 (0.01) | 18.94 (0.01) | 18.93 | 18.94 (0.01) | ||||||||
| i magnitude | 18.96 (0.01) | 18.96 (0.01) | 18.96 (0.01) | 18.95 | 18.97 (0.01) | ||||||||
| z magnitude | 19.05 (0.04) | 19.05 (0.04) | 19.04 (0.04) | 19.02 | 19.03 (0.04) | ||||||||
| G magnitude | 18.87 (0.03) | 18.91 | 18.87 | 18.87 (0.003) | |||||||||
| BP magnitude | 18.94 (0.03) | 18.99 | |||||||||||
| RP magnitude | 18.70 (0.04) | 18.65 | |||||||||||
| Pan g magnitude | 18.93 (0.007) | ||||||||||||
| Pan r magnitude | 18.94 (0.005) | ||||||||||||
| Pan i magnitude | 19.00 (0.005) | ||||||||||||
| Pan z magnitude | 19.09 (0.01) | ||||||||||||
| Pan y magnitude | 19.13 (0.02) | ||||||||||||
| E(B-V) | 0.016 | ||||||||||||
* Constant surface field
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