SDSS J074250.80+222444.7
All names: SDSS J074250.80+222444.7, Gaia DR2 866978765476094464, SDSS J074250.80+222444.5, WD 0739+225, Gaia DR3 866978765476094464, Gaia EDR3 866978765476094464, SDSS J074250.79+222444.3, GALEX J074250.8+222444, SDSS J074250.80+222444.8
| 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 42 50.78 (0.2) | 07 42 50.81 | 07 42 50.78 (0.3) | 07 42 50.81 (0.2) | 07 42 50.80 | 07 42 50.71 | 07 42 50.80 | |||||
| Declination | 22 24 44.28 (0.2) | 22 24 44.57 | 22 24 44.29 (0.3) | 22 24 44.71 (0.2) | 22 24 44.74 | 22 24 39.24 | 22 24 44.75 | |||||
| Spectral type | DA: | DA | DA: | DA: | DA: | DA | ||||||
| Effective temperature | [K] | 8883.0 | 10098.0 (32) | 10102.0 (36) | ||||||||
| log(g) | [cgs] | 7.46 | 7.91 (0.6) | 9.42 (0.5) | ||||||||
| Mass | [M☉] | 0.336 | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.4696 | ||||||||||
| 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] | 3.02 (0.3) | 3.62 (0.4) | 3.02 (0.3) | ||||||||
| Distance | [pc] | 330.69 (30) | 276.59 (33) | 330.69 (30) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -28.19698909 (0.3) | -27.68589196 (0.6) | -28.197 (0.3) | -27.5 | |||||||
| Proper motion (declination) | [mas/yr] | -27.20074797 (0.2) | -28.14110686 (0.5) | -27.201 (0.2) | -27.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.39 (0.03) | 19.39 (0.03) | 19.37 (0.03) | 19.37 | 19.38 (0.03) | |||||||
| g magnitude | 19.12 (0.01) | 19.12 (0.01) | 19.14 (0.02) | 19.14 | 19.14 (0.02) | |||||||
| r magnitude | 19.09 (0.01) | 19.09 (0.01) | 19.14 (0.02) | 19.14 | 19.14 (0.02) | |||||||
| i magnitude | 19.19 (0.02) | 19.19 (0.02) | 19.16 (0.02) | 19.15 | 19.16 (0.02) | |||||||
| z magnitude | 19.34 (0.08) | 19.34 (0.08) | 19.32 (0.06) | 19.32 | 19.33 (0.06) | |||||||
| G magnitude | 19.06 (0.04) | 19.10 | 19.06 (0.004) | |||||||||
| BP magnitude | 19.09 (0.04) | 19.06 | ||||||||||
| RP magnitude | 18.82 (0.06) | 18.74 | ||||||||||
| Pan g magnitude | 19.10 (0.01) | |||||||||||
| Pan r magnitude | 19.11 (0.006) | |||||||||||
| Pan i magnitude | 19.20 (0.02) | |||||||||||
| Pan z magnitude | 19.29 (0.03) | |||||||||||
| Pan y magnitude | 19.48 (0.03) | |||||||||||
| E(B-V) | 0.016 | |||||||||||
* Constant surface field
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