SDSS J224020.38+141231.7
All names: SDSS J224020.37+141231.6, Gaia DR3 2731984750880900480, SDSS J224020.37+141231.7, GALEX J224020.3+141232, SDSS J224020.38+141231.6, Gaia DR2 2731984750880900480, Gaia EDR3 2731984750880900480, SDSS J224020.38+141231.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 40 20.40 (0.5) | 22 40 20.38 | 22 40 20.40 (1) | 22 40 20.38 (0.5) | 22 40 20.38 | ||||||
| Declination | 14 12 31.31 (0.4) | 14 12 31.72 | 14 12 31.32 (0.7) | 14 12 31.73 (0.4) | 14 12 31.65 | ||||||
| Spectral type | DA | DAH:M: | DAH | DAH:M: | DA | ||||||
| Effective temperature | [K] | 39703.0 (2099) | 18886.0 | 38739.0 (1340) | |||||||
| log(g) | [cgs] | 7.32 (0.2) | 7.54 | 7.27 (0.2) | |||||||
| Mass | [M☉] | 0.4 (0.08) | 0.405 | ||||||||
| log(Luminosity) | [L☉] | 0.07 (0.2) | |||||||||
| Cooling age | [Gyr] | 0.0003 (0.0002) | 0.0449 | ||||||||
| 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] | 0.59 (0.6) | -1.13 (1) | 0.59 (0.6) | |||||||
| Distance | [pc] | 1697.30 (1780) | 1697.22 (1780) | ||||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 22.87396559 (0.5) | 22.2432569 (1) | 22.874 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -25.89061655 (0.5) | -26.40013306 (1) | -25.891 (0.5) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.50 (0.03) | 19.50 (0.03) | 19.55 (0.03) | ||||||||
| g magnitude | 19.75 (0.01) | 19.76 (0.01) | 19.74 (0.02) | ||||||||
| r magnitude | 20.18 (0.02) | 20.16 (0.02) | 20.16 (0.02) | ||||||||
| i magnitude | 20.46 (0.04) | 20.47 (0.04) | 20.50 (0.04) | ||||||||
| z magnitude | 20.65 (0.1) | 20.66 (0.1) | 20.29 (0.1) | ||||||||
| G magnitude | 19.96 (0.06) | 20.04 | 19.96 (0.007) | ||||||||
| BP magnitude | 19.85 (0.06) | 19.95 | |||||||||
| RP magnitude | 19.99 (0.1) | 20.16 | |||||||||
| Pan g magnitude | 19.80 (0.02) | ||||||||||
| Pan r magnitude | 20.18 (0.01) | ||||||||||
| Pan i magnitude | 20.51 (0.03) | ||||||||||
| Pan z magnitude | 20.59 (0.03) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.061 | ||||||||||
* Constant surface field
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