SDSS J074946.17+221618.5
All names: SDSS J074946.17+221618.6, Gaia DR3 674667863883548416, SDSS J074946.17+221618.5, GALEX J074946.1+221618, WD 0746+223, SDSS J074946.18+221618.6, Gaia EDR3 674667863883548416, Gaia DR2 674667863882809344
| 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 | 07 49 46.18 (0.4) | 07 49 46.17 | 07 49 46.18 (1) | 07 49 46.18 (0.4) | 07 49 46.18 | 07 49 46.18 | 07 49 46.18 | |||||
| Declination | 22 16 18.36 (0.3) | 22 16 18.62 | 22 16 18.37 (0.5) | 22 16 18.69 (0.3) | 22 16 18.60 | 22 16 12.00 | 22 16 18.60 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 11025.0 | 12837.0 (575) | 12753.0 (662) | ||||||||
| log(g) | [cgs] | 7.70 | 8.24 (0.1) | 8.32 (0.1) | ||||||||
| Mass | [M☉] | 0.444 | 0.795 (0.09) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3243 | ||||||||||
| 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] | 2.93 (0.5) | 2.20 (2) | 2.93 (0.5) | ||||||||
| Distance | [pc] | 341.56 (58) | 454.74 (321) | 341.57 (58) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 2.841334921 (0.5) | 2.582421474 (1) | 2.841 (0.5) | 4.5 | |||||||
| Proper motion (declination) | [mas/yr] | -21.23974984 (0.3) | -21.73892257 (0.9) | -21.24 (0.3) | -25.5 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.07 (0.04) | 19.96 (0.04) | 19.97 (0.04) | 19.97 | 19.95 (0.04) | |||||||
| g magnitude | 19.65 (0.01) | 19.66 (0.01) | 19.69 (0.02) | 19.69 | 19.68 (0.02) | |||||||
| r magnitude | 19.81 (0.02) | 19.81 (0.02) | 19.85 (0.02) | 19.85 | 19.85 (0.02) | |||||||
| i magnitude | 20.00 (0.03) | 20.01 (0.03) | 20.00 (0.04) | 20.00 | 20.00 (0.04) | |||||||
| z magnitude | 20.19 (0.1) | 20.30 (0.2) | 20.32 (0.2) | 20.32 | 20.31 (0.2) | |||||||
| G magnitude | 19.75 (0.04) | 19.79 | 19.75 (0.005) | |||||||||
| BP magnitude | 19.76 (0.04) | 19.68 | ||||||||||
| RP magnitude | 19.86 (0.08) | 19.89 | ||||||||||
| Pan g magnitude | 19.68 (0.01) | |||||||||||
| Pan r magnitude | 19.85 (0.009) | |||||||||||
| Pan i magnitude | 20.08 (0.02) | |||||||||||
| Pan z magnitude | 20.30 (0.07) | |||||||||||
| Pan y magnitude | 20.22 (0.05) | |||||||||||
| E(B-V) | 0.017 | |||||||||||
* Constant surface field
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