SDSS J004254.24+235831.3
All names: GALEX J004254.2+235832, Gaia DR2 2803444588550040448, SDSS J004254.24+235831.3, Gaia EDR3 2803444588550040448, Gaia DR3 2803444588550040448, SDSS J004254.24+235831.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 42 54.26 (0.8) | 00 42 54.24 | 00 42 54.26 (1) | 00 42 54.22 (0.8) | 00 42 54.24 | ||||||
| Declination | 23 58 31.28 (0.4) | 23 58 31.40 | 23 58 31.30 (1) | 23 58 31.64 (0.4) | 23 58 31.30 | ||||||
| Spectral type | DA | DAH: | DAH | DAH: | DA | ||||||
| Effective temperature | [K] | 10291.1 (374) | 9708.0 | 11675.0 (300) | |||||||
| log(g) | [cgs] | 7.71 (0.8) | 7.53 | 7.85 (0.2) | |||||||
| Mass | [M☉] | 0.4456304026476131 (0.07) | 0.365 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.3907 | |||||||||
| 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] | 2.78 (1) | 1.84 (2) | 2.78 (1) | |||||||
| Distance | [pc] | 359.43 (137) | 544.13 (511) | 359.43 (137) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 32.57706679 (1) | 30.12607119 (2) | 32.577 (1) | |||||||
| Proper motion (declination) | [mas/yr] | -22.16309351 (0.8) | -23.2920316 (3) | -22.163 (0.8) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 21.06 (0.09) | 20.91 (0.08) | 20.91 (0.08) | ||||||||
| g magnitude | 20.42 (0.02) | 20.41 (0.02) | 20.48 (0.03) | ||||||||
| r magnitude | 20.49 (0.03) | 20.49 (0.03) | 20.56 (0.04) | ||||||||
| i magnitude | 20.66 (0.05) | 20.65 (0.05) | 20.78 (0.06) | ||||||||
| z magnitude | 20.66 (0.2) | 20.66 (0.2) | 21.26 (0.3) | ||||||||
| G magnitude | 20.47 (0.1) | 20.56 | 20.47 (0.007) | ||||||||
| BP magnitude | 20.53 (0.1) | 20.53 | |||||||||
| RP magnitude | 20.25 (0.1) | 20.51 | |||||||||
| Pan g magnitude | 20.47 (0.04) | ||||||||||
| Pan r magnitude | 20.56 (0.03) | ||||||||||
| Pan i magnitude | 20.74 (0.03) | ||||||||||
| Pan z magnitude | 20.74 (0.09) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.049 | ||||||||||
* Constant surface field
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