SDSS J194059.65+773912.4
All names: GALEX J194059.6+773912, Gaia DR2 2290002035955724416, Gaia DR3 2290002035955724416, SDSS J194059.65+773912.4, Gaia EDR3 2290002035955724416, SDSS J194059.65+773912.3, SDSS J194059.63+773912.3
| 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 | 19 40 59.62 (0.08) | 19 40 59.64 | 19 40 59.62 (0.09) | 19 40 59.62 | 19 40 59.65 (0.08) | 19 40 59.65 | |||||
| Declination | 77 39 12.53 (0.1) | 77 39 12.31 | 77 39 12.52 (0.1) | 77 39 12.53 | 77 39 12.26 (0.1) | 77 39 12.35 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 18134.0 | 22213.0 (1075) | 22242.0 (334) | |||||||
| log(g) | [cgs] | 7.89 | 8.05 (0.05) | 7.94 (0.05) | |||||||
| Mass | [M☉] | 0.559 | 0.656 (0.04) | 0.597 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0819 | |||||||||
| 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] | 3.43 (0.09) | 3.54 (0.1) | 3.43 | 3.43 (0.09) | ||||||
| Distance | [pc] | 291.77 (7) | 282.55 (9) | 291.77 | 291.77 (7) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.706537715 (0.1) | -4.79438209 (0.2) | -4.707 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | 16.76192153 (0.1) | 16.99767607 (0.3) | 16.762 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.87 (0.01) | 17.87 (0.01) | 17.87 (0.02) | ||||||||
| g magnitude | 17.83 (0.006) | 17.83 (0.006) | 17.85 (0.01) | ||||||||
| r magnitude | 18.18 (0.008) | 18.18 (0.008) | 18.17 (0.01) | ||||||||
| i magnitude | 18.54 (0.01) | 18.54 (0.01) | 18.54 (0.01) | ||||||||
| z magnitude | 18.78 (0.05) | 18.78 (0.05) | 18.77 (0.04) | ||||||||
| G magnitude | 18.04 (0.007) | 18.07 | 18.04 | 18.04 (0.003) | |||||||
| BP magnitude | 17.97 (0.007) | 17.92 | |||||||||
| RP magnitude | 18.28 (0.02) | 18.25 | |||||||||
| Pan g magnitude | 17.90 (0.007) | ||||||||||
| Pan r magnitude | 18.24 (0.005) | ||||||||||
| Pan i magnitude | 18.54 (0.009) | ||||||||||
| Pan z magnitude | 18.80 (0.01) | ||||||||||
| Pan y magnitude | 18.95 (0.03) | ||||||||||
| E(B-V) | 0.042 | ||||||||||
* Constant surface field
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