SDSS J202201.80+781118.9
All names: LSPM J2022+7811, SDSS J202201.80+781118.9, SDSS J202201.81+781118.9, USNO-B1.0 1681-00094121, Gaia EDR3 2291002488457478784, Gaia DR3 2291002488457478784, GALEX J202202.0+781119, Gaia DR2 2291002488457478784
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 22 02.07 (0.08) | 20 22 01.81 | 20 22 02.06 (0.09) | 20 22 02.07 | 20 22 01.73 (0.08) | 20 22 01.81 | |||||
| Declination | 78 11 20.37 (0.08) | 78 11 18.95 | 78 11 20.32 (0.1) | 78 11 20.37 | 78 11 18.55 (0.08) | 78 11 18.92 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 10063.0 | 10325.0 (212) | 10248.0 (56) | |||||||
| log(g) | [cgs] | 7.98 | 8.02 (0.03) | 8.17 (0.07) | |||||||
| Mass | [M☉] | 0.589 | 0.614 (0.03) | 0.699 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.5781 | |||||||||
| 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] | 6.84 (0.08) | 6.84 (0.1) | 6.84 | 6.84 (0.08) | ||||||
| Distance | [pc] | 146.16 (2) | 146.26 (2) | 146.16 | 146.16 (2) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 65.37273727 (0.1) | 65.45035858 (0.2) | 65.373 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | 113.8627298 (0.1) | 113.7466749 (0.2) | 113.863 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 17.80 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 17.90 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.35 (0.02) | 18.35 (0.02) | 18.36 (0.03) | ||||||||
| g magnitude | 17.91 (0.006) | 17.91 (0.006) | 17.95 (0.02) | ||||||||
| r magnitude | 18.00 (0.007) | 18.00 (0.007) | 18.00 (0.01) | ||||||||
| i magnitude | 18.13 (0.009) | 18.13 (0.009) | 18.13 (0.01) | ||||||||
| z magnitude | 18.30 (0.03) | 18.30 (0.03) | 18.30 (0.03) | ||||||||
| G magnitude | 17.93 (0.01) | 17.95 | 17.93 | 17.93 (0.003) | |||||||
| BP magnitude | 17.99 (0.01) | 17.97 | |||||||||
| RP magnitude | 17.87 (0.02) | 17.86 | |||||||||
| Pan g magnitude | 17.94 (0.009) | ||||||||||
| Pan r magnitude | 18.03 (0.004) | ||||||||||
| Pan i magnitude | 18.18 (0.005) | ||||||||||
| Pan z magnitude | 18.35 (0.007) | ||||||||||
| Pan y magnitude | 18.46 (0.03) | ||||||||||
| E(B-V) | 0.009 | ||||||||||
* Constant surface field
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