SDSS J204528.64+750923.3
All names: SDSS J204528.63+750923.2, GALEX J204528.5+750923, Gaia DR2 2277912287132123520, Gaia EDR3 2277912287132123520, Gaia DR3 2277912287132123520, SDSS J204528.64+750923.3, SDSS J204528.64+750923.2
| 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 45 28.49 (0.09) | 20 45 28.65 | 20 45 28.50 (0.1) | 20 45 28.49 | 20 45 28.68 (0.09) | 20 45 28.64 | |||||
| Declination | 75 09 23.27 (0.09) | 75 09 23.36 | 75 09 23.27 (0.1) | 75 09 23.27 | 75 09 23.39 (0.09) | 75 09 23.28 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 10533.0 | 10747.0 (266) | 10330.0 (61) | |||||||
| log(g) | [cgs] | 8.09 | 8.11 (0.04) | 8.25 (0.06) | |||||||
| Mass | [M☉] | 0.655 | 0.668 (0.03) | 0.748 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.5950 | |||||||||
| 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] | 6.35 (0.1) | 6.44 (0.1) | 6.35 | 6.35 (0.1) | ||||||
| Distance | [pc] | 157.56 (2) | 155.28 (3) | 157.56 | 157.56 (2) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -45.93088278 (0.1) | -46.24009175 (0.2) | -45.931 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | -7.878249693 (0.1) | -7.453318925 (0.2) | -7.878 (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 | 18.50 (0.02) | 18.50 (0.02) | 18.48 (0.04) | ||||||||
| g magnitude | 18.06 (0.006) | 18.06 (0.006) | 18.08 (0.01) | ||||||||
| r magnitude | 18.18 (0.008) | 18.18 (0.008) | 18.19 (0.01) | ||||||||
| i magnitude | 18.24 (0.01) | 18.24 (0.01) | 18.27 (0.01) | ||||||||
| z magnitude | 18.50 (0.04) | 18.50 (0.04) | 18.50 (0.04) | ||||||||
| G magnitude | 18.09 (0.02) | 18.12 | 18.09 | 18.09 (0.003) | |||||||
| BP magnitude | 18.14 (0.02) | 18.14 | |||||||||
| RP magnitude | 18.09 (0.02) | 18.04 | |||||||||
| Pan g magnitude | 18.07 (0.006) | ||||||||||
| Pan r magnitude | 18.18 (0.007) | ||||||||||
| Pan i magnitude | 18.35 (0.007) | ||||||||||
| Pan z magnitude | 18.54 (0.01) | ||||||||||
| Pan y magnitude | 18.59 (0.2) | ||||||||||
| E(B-V) | 0.011 | ||||||||||
* Constant surface field
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