SDSS J195403.77+773435.9
All names: Gaia EDR3 2291292209771806720, GALEX J195403.8+773435, SDSS J195403.76+773435.8, Gaia DR2 2291292209771806720, SDSS J195403.77+773435.9, Gaia DR3 2291292209771806720
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 54 03.78 (0.2) | 19 54 03.77 | 19 54 03.78 (0.2) | 19 54 03.79 (0.2) | 19 54 03.77 | ||||||
| Declination | 77 34 35.95 (0.2) | 77 34 35.85 | 77 34 35.95 (0.3) | 77 34 35.86 (0.2) | 77 34 35.92 | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 41397.0 (2263) | 12867.0 | 40942.0 (1630) | |||||||
| log(g) | [cgs] | 7.41 (0.2) | 6.93 | 7.56 (0.2) | |||||||
| Mass | [M☉] | 0.43 (0.08) | 0.223 | 0.497 (0.07) | |||||||
| log(Luminosity) | [L☉] | 0.09 (0.2) | |||||||||
| Cooling age | [Gyr] | 0.0006 (0.0005) | |||||||||
| 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] | 1.33 (0.2) | 1.32 (0.3) | 1.33 (0.2) | |||||||
| Distance | [pc] | 752.60 (122) | 757.57 (151) | 752.62 (122) | |||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.287936986 (0.3) | -2.277288886 (0.5) | -2.288 (0.3) | |||||||
| Proper motion (declination) | [mas/yr] | 5.56768163 (0.3) | 6.404276264 (0.5) | 5.568 (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 | 19.11 (0.02) | 19.11 (0.03) | 19.12 (0.03) | ||||||||
| g magnitude | 19.26 (0.01) | 19.26 (0.01) | 19.27 (0.02) | ||||||||
| r magnitude | 19.52 (0.02) | 19.52 (0.02) | 19.52 (0.02) | ||||||||
| i magnitude | 19.77 (0.03) | 19.77 (0.03) | 19.77 (0.02) | ||||||||
| z magnitude | 20.29 (0.1) | 20.29 (0.1) | 20.29 (0.1) | ||||||||
| G magnitude | 19.41 (0.03) | 19.46 | 19.41 (0.004) | ||||||||
| BP magnitude | 19.37 (0.03) | 19.29 | |||||||||
| RP magnitude | 19.48 (0.06) | 19.43 | |||||||||
| Pan g magnitude | 19.29 (0.01) | ||||||||||
| Pan r magnitude | 19.57 (0.01) | ||||||||||
| Pan i magnitude | 19.84 (0.02) | ||||||||||
| Pan z magnitude | 20.00 (0.04) | ||||||||||
| Pan y magnitude | 19.63 (0.2) | ||||||||||
| E(B-V) | 0.141 | ||||||||||
* Constant surface field
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