WD 1408+664
All names: GALEX J140934.4+661222, Gaia DR3 1671567530340404864, SDSS J140934.45+661222.9, WD 1408+664, Gaia DR2 1671567530340404864, SDSS J140934.44+661222.8, SDSS J140934.45+661222.8, Gaia EDR3 1671567530340404864
| 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 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 09 34.46 (0.4) | 14 09 34.45 | 14 09 34.46 (0.6) | 14 09 34.45 (0.4) | 14 09 34.45 | 14 09 33.50 | 14 09 34.45 | 14 09 34.45 | |||||
| Declination | 66 12 22.83 (0.4) | 66 12 22.86 | 66 12 22.83 (0.5) | 66 12 22.79 (0.4) | 66 12 22.86 | 66 12 16.56 | 66 12 22.85 | 66 12 22.86 | |||||
| Spectral type | DA | DA | DA | DA3.2 | DA | DA | |||||||
| Effective temperature | [K] | 18111.0 | 15854.0 (638) | 15527.0 (689) | 15794.0 (648) | ||||||||
| log(g) | [cgs] | 8.92 | 7.85 (0.2) | 7.96 (0.2) | 7.86 (0.2) | ||||||||
| Mass | [M☉] | 1.164 | 0.592 (0.09) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.5762 | |||||||||||
| 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] | 2.36 (0.5) | 2.94 (0.7) | 2.36 (0.5) | |||||||||
| Distance | [pc] | 424.37 (86) | 340.24 (78) | 424.38 (86) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.714722333 (0.7) | 1.452754059 (1) | 3.715 (0.7) | |||||||||
| Proper motion (declination) | [mas/yr] | 2.74802633 (0.7) | 3.238539102 (1) | 2.748 (0.7) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.51 (0.06) | 20.52 (0.06) | 20.45 (0.06) | 20.46 | 20.47 (0.06) | 20.46 (0.06) | |||||||
| g magnitude | 20.16 (0.02) | 20.16 (0.02) | 20.15 (0.03) | 20.17 | 20.16 (0.03) | 20.17 (0.03) | |||||||
| r magnitude | 20.44 (0.03) | 20.44 (0.03) | 20.43 (0.03) | 20.43 | 20.43 (0.03) | 20.43 (0.03) | |||||||
| i magnitude | 20.70 (0.06) | 20.70 (0.06) | 20.69 (0.06) | 20.68 | 20.70 (0.06) | 20.68 (0.06) | |||||||
| z magnitude | 20.98 (0.3) | 20.98 (0.3) | 20.98 (0.3) | 20.95 | 20.98 (0.3) | 20.95 (0.2) | |||||||
| G magnitude | 20.31 (0.09) | 20.37 | 20.31 (0.007) | ||||||||||
| BP magnitude | 20.35 (0.09) | 20.09 | |||||||||||
| RP magnitude | 20.43 (0.1) | 20.55 | |||||||||||
| Pan g magnitude | 20.17 (0.02) | ||||||||||||
| Pan r magnitude | 20.43 (0.03) | ||||||||||||
| Pan i magnitude | 20.71 (0.02) | ||||||||||||
| Pan z magnitude | 20.97 (0.06) | ||||||||||||
| Pan y magnitude | |||||||||||||
| E(B-V) | 0.017 | ||||||||||||
* Constant surface field
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