SDSS J223123.29+220823.1
All names: Gaia EDR3 1874440379286221440, Gaia DR2 1874440379286221440, Gaia DR3 1874440379286221440, SDSS J223123.29+220823.19, GALEX J223123.2+220823, SDSS J223123.29+220823.3, SDSS J223123.29+220823.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 31 23.29 (0.2) | 22 31 23.29 | 22 31 23.29 (0.2) | 22 31 23.30 (0.2) | ||||||||
| Declination | 22 08 23.29 (0.3) | 22 08 23.35 | 22 08 23.29 (0.3) | 22 08 23.40 (0.3) | ||||||||
| Spectral type | DA | CV: | CV: | CV: | DA | DA | ||||||
| Effective temperature | [K] | 55641.0 (3282) | 19260.0 | 23620.0 | 50087.0 (1717) | |||||||
| log(g) | [cgs] | 7.84 (0.2) | 6.35 | 6.34 | 7.75 (0.1) | |||||||
| Mass | [M☉] | 0.63 (0.09) | 0.184 | 0.14 | 0.579 (0.04) | |||||||
| log(Luminosity) | [L☉] | 0.33 (0.2) | ||||||||||
| Cooling age | [Gyr] | 0.0015 (0.0003) | ||||||||||
| 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] | 0.95 (0.3) | 0.54 (0.5) | 0.95 (0.3) | ||||||||
| Distance | [pc] | 1048.99 (345) | 1853.72 (1652) | 1048.99 (345) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.746562374 (0.3) | -4.580522486 (0.9) | -4.747 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -6.980546611 (0.3) | -7.215240063 (0.8) | -6.981 (0.3) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.79 (0.02) | 18.78 (0.03) | 18.79 (0.02) | |||||||||
| g magnitude | 19.14 (0.01) | 19.15 (0.03) | 19.14 (0.01) | |||||||||
| r magnitude | 19.61 (0.02) | 19.61 (0.02) | 19.61 (0.02) | |||||||||
| i magnitude | 19.95 (0.03) | 19.94 (0.04) | 19.94 (0.03) | |||||||||
| z magnitude | 20.12 (0.1) | 20.13 (0.1) | 20.11 (0.1) | |||||||||
| G magnitude | 19.37 (0.03) | 19.42 | 19.37 (0.004) | |||||||||
| BP magnitude | 19.29 (0.03) | 19.24 | ||||||||||
| RP magnitude | 19.58 (0.04) | 19.65 | ||||||||||
| Pan g magnitude | 19.21 (0.01) | |||||||||||
| Pan r magnitude | 19.61 (0.01) | |||||||||||
| Pan i magnitude | 19.98 (0.02) | |||||||||||
| Pan z magnitude | 20.22 (0.04) | |||||||||||
| Pan y magnitude | 20.19 (0.03) | |||||||||||
| E(B-V) | 0.052 | |||||||||||
* Constant surface field
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