US 2223
All names: SDSS J090252.23+414045.2, US 2223, WD 0859+418, SDSS J090252.24+414045.2, Gaia DR3 816592343759666688, Gaia DR2 816592339463238656, SDSS J090252.23+414045.1, Gaia EDR3 816592343759666688
| 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 | 09 02 52.23 (0.2) | 09 02 52.24 | 09 02 52.23 (0.3) | 09 02 52.23 | 09 02 52.24 (0.2) | 09 02 52.23 | 09 02 51.72 | 09 02 52.24 | |||||
| Declination | 41 40 44.96 (0.2) | 41 40 45.26 | 41 40 44.96 (0.2) | 41 40 44.96 | 41 40 45.24 (0.2) | 41 40 45.21 | 41 40 43.68 | 41 40 45.22 | |||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 9916.0 | 11278.0 (455) | 11300.0 (139) | 11227.0 (140) | ||||||||
| log(g) | [cgs] | 7.36 | 7.75 (0.1) | 8.21 (0.1) | 8.28 (0.09) | ||||||||
| Mass | [M☉] | 0.306 | 0.471 (0.07) | 0.768 (0.06) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.3274 | |||||||||||
| 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] | 3.40 (0.3) | 3.07 (0.3) | 3.40 | 3.40 (0.3) | ||||||||
| Distance | [pc] | 293.98 (24) | 325.85 (37) | 293.98 | 293.98 (24) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.358274868 (0.3) | -7.198465558 (0.5) | -7.358 (0.3) | -9.7 | ||||||||
| Proper motion (declination) | [mas/yr] | -17.45462958 (0.3) | -17.26393514 (0.5) | -17.455 (0.3) | -23.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 19.40 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.29 (0.02) | 19.29 (0.03) | 19.23 (0.03) | 19.23 | 19.24 (0.03) | ||||||||
| g magnitude | 18.83 (0.008) | 18.83 (0.008) | 18.82 (0.03) | 18.82 | 18.84 (0.03) | ||||||||
| r magnitude | 18.93 (0.01) | 18.93 (0.01) | 18.98 (0.02) | 18.98 | 18.99 (0.02) | ||||||||
| i magnitude | 19.08 (0.01) | 19.08 (0.01) | 19.04 (0.02) | 19.04 | 19.04 (0.02) | ||||||||
| z magnitude | 19.20 (0.04) | 19.20 (0.04) | 19.33 (0.06) | 19.33 | 19.33 (0.06) | ||||||||
| G magnitude | 18.91 (0.02) | 18.92 | 18.91 | 18.91 (0.004) | |||||||||
| BP magnitude | 18.91 (0.02) | 18.94 | |||||||||||
| RP magnitude | 18.87 (0.04) | 18.78 | |||||||||||
| Pan g magnitude | 18.84 (0.007) | ||||||||||||
| Pan r magnitude | 18.96 (0.009) | ||||||||||||
| Pan i magnitude | 19.11 (0.006) | ||||||||||||
| Pan z magnitude | 19.27 (0.01) | ||||||||||||
| Pan y magnitude | 19.36 (0.06) | ||||||||||||
| E(B-V) | 0.019 | ||||||||||||
* Constant surface field
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