SDSS J224537.23+314013.4
All names: GALEX J224537.2+314014, SDSSJ224537.23+314013.47, Gaia DR2 1888907031730589696, SDSS J224537.23+314013.4, SDSS J224537.22+314013.4, SDSS J224537.23+314013.5, SDSS J224537.23+314013.47, Gaia EDR3 1888907031730589696, Gaia DR3 1888907031730589696
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 45 37.23 (0.2) | 22 45 37.23 | 22 45 37.23 | 22 45 37.23 (0.2) | 22 45 37.23 (0.2) | ||||||
| Declination | 31 40 13.48 (0.2) | 31 40 13.52 | 31 40 13.47 | 31 40 13.48 (0.3) | 31 40 13.51 (0.2) | ||||||
| Spectral type | sdB | sdB | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 31148.0 (307) | 20344.0 | 24203.0 | 31148.0 (307) | ||||||
| log(g) | [cgs] | 5.86 (0.06) | 6.39 | 6.53 | 5.86 (0.06) | ||||||
| Mass | [M☉] | 0.157 | 0.17 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.03 (0.3) | 0.61 (0.4) | 0.61 (0.4) | 0.03 (0.3) | ||||||
| Distance | [pc] | 33942.39 (327523) | 1645.82 (1190) | 1645.74 (1190) | 33898.31 (326688) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.07538436 (0.2) | 0.108 (0.6) | 0.107508687 (0.6) | -0.075 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -1.935633047 (0.3) | -2.762 (0.6) | -2.761802715 (0.6) | -1.936 (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 | 18.95 (0.02) | 18.95 (0.02) | 18.94 (0.02) | 18.95 (0.02) | |||||||
| g magnitude | 19.09 (0.009) | 19.09 (0.009) | 19.09 (0.01) | 19.09 (0.009) | |||||||
| r magnitude | 19.52 (0.01) | 19.51 (0.01) | 19.49 (0.01) | 19.51 (0.01) | |||||||
| i magnitude | 19.82 (0.02) | 19.82 (0.02) | 19.83 (0.02) | 19.82 (0.02) | |||||||
| z magnitude | 20.00 (0.09) | 19.99 (0.09) | 19.95 (0.09) | 19.99 (0.09) | |||||||
| G magnitude | 19.30 (0.03) | 19.35 (0.003) | 19.35 | 19.30 (0.004) | |||||||
| BP magnitude | 19.19 (0.03) | 19.18 (0.03) | 19.18 | ||||||||
| RP magnitude | 19.59 (0.06) | 19.49 (0.05) | 19.49 | ||||||||
| Pan g magnitude | 19.16 (0.007) | 19.16 (0.007) | |||||||||
| Pan r magnitude | 19.53 (0.01) | 19.53 (0.01) | |||||||||
| Pan i magnitude | 19.89 (0.01) | 19.89 (0.01) | |||||||||
| Pan z magnitude | 20.12 (0.03) | 20.12 (0.03) | |||||||||
| Pan y magnitude | 20.05 (0.2) | 20.05 (0.2) | |||||||||
| E(B-V) | 0.067 | ||||||||||
* Constant surface field
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