SDSS J205059.51+012146.9
All names: Gaia DR2 4228569369348219904, SDSS J205059.51+012146.8, SDSS J205059.50+012146.9, Gaia EDR3 4228569369348219904, GALEX J205059.4+012147, Gaia DR3 4228569369348219904, SDSS J205059.51+012146.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 50 59.53 (0.1) | 20 50 59.51 | 20 50 59.53 (0.1) | 20 50 59.51 | 20 50 59.53 | 20 50 59.50 (0.1) | 20 50 59.51 | |||||
| Declination | 01 21 46.79 (0.06) | 01 21 46.96 | 01 21 46.80 (0.1) | 01 21 46.94 | 01 21 46.79 | 01 21 46.98 (0.06) | 01 21 46.95 | |||||
| Spectral type | DA+M: | DA+M: | DA | DA | DA | DA+MS | ||||||
| Effective temperature | [K] | 14628.0 | 28718.0 (299) | 24155.0 (872) | 29083.0 (201) | |||||||
| log(g) | [cgs] | 7.00 | 7.75 (0.07) | 7.46 (0.06) | 7.82 (0.04) | |||||||
| Mass | [M☉] | 0.244 | 0.52 (0.03) | 0.394 (0.03) | 0.559 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0698 | ||||||||||
| 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] | 2.43 (0.1) | 2.56 (0.2) | 2.43 | 2.43 (0.1) | |||||||
| Distance | [pc] | 412.21 (20) | 389.93 (28) | 411.00 (19) | 412.21 | 412.22 (20) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 28.97208422 (0.1) | 28.62983438 (0.3) | 28.972 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -11.76447672 (0.1) | -11.56638144 (0.2) | -11.764 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | ||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 17.43 (0.009) | 17.45 | 17.43 (0.009) | 17.45 (0.02) | ||||||||
| g magnitude | 17.59 (0.005) | 17.63 | 17.59 (0.005) | 17.63 (0.01) | ||||||||
| r magnitude | 18.01 (0.007) | 18.03 | 18.01 (0.007) | 18.03 (0.01) | ||||||||
| i magnitude | 18.27 (0.009) | 18.30 | 18.27 (0.009) | 18.30 (0.01) | ||||||||
| z magnitude | 18.37 (0.03) | 18.41 | 18.37 (0.03) | 18.41 (0.03) | ||||||||
| G magnitude | 17.81 (0.009) | 17.84 | 17.81 | 17.81 (0.003) | ||||||||
| BP magnitude | 17.70 (0.009) | 17.65 | ||||||||||
| RP magnitude | 17.91 (0.02) | 17.87 | ||||||||||
| Pan g magnitude | 17.65 (0.005) | |||||||||||
| Pan r magnitude | 18.03 (0.006) | |||||||||||
| Pan i magnitude | 18.32 (0.006) | |||||||||||
| Pan z magnitude | 18.46 (0.02) | |||||||||||
| Pan y magnitude | 18.61 (0.03) | |||||||||||
| E(B-V) | 0.040 | |||||||||||
* Constant surface field
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