SDSS J172138.53+280408.0
All names: GALEX J172138.5+280407, Gaia EDR3 4574456657791463424, Gaia DR3 4574456657791463424, SDSS J172138.53+280408.0, SDSS J172138.53+280407.9, Gaia DR2 4574456657791463424
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 21 38.54 (0.2) | 17 21 38.53 | 17 21 38.54 (0.2) | 17 21 38.53 (0.2) | 17 21 38.53 | |||||
| Declination | 28 04 07.89 (0.2) | 28 04 07.97 | 28 04 07.89 (0.3) | 28 04 07.96 (0.2) | 28 04 07.97 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 19684.0 | 17367.0 (305) | |||||||
| log(g) | [cgs] | 8.02 | 7.90 (0.06) | |||||||
| Mass | [M☉] | 0.632 | 0.567 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0771 | ||||||||
| 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] | 1.99 (0.2) | 1.90 (0.3) | 1.99 (0.2) | ||||||
| Distance | [pc] | 501.80 (59) | 525.85 (81) | 501.81 (59) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 7.574783491 (0.2) | 7.184678194 (0.5) | 7.575 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -4.340542884 (0.3) | -4.520063791 (0.6) | -4.341 (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 | 19.71 (0.03) | 19.71 (0.03) | 19.66 (0.03) | |||||||
| g magnitude | 19.45 (0.01) | 19.45 (0.01) | 19.43 (0.02) | |||||||
| r magnitude | 19.72 (0.02) | 19.72 (0.02) | 19.72 (0.02) | |||||||
| i magnitude | 19.97 (0.03) | 19.97 (0.03) | 19.95 (0.03) | |||||||
| z magnitude | 20.32 (0.1) | 20.32 (0.1) | 20.20 (0.1) | |||||||
| G magnitude | 19.59 (0.03) | 19.62 | 19.59 (0.004) | |||||||
| BP magnitude | 19.57 (0.03) | 19.51 | ||||||||
| RP magnitude | 19.85 (0.05) | 19.67 | ||||||||
| Pan g magnitude | 19.44 (0.01) | |||||||||
| Pan r magnitude | 19.70 (0.008) | |||||||||
| Pan i magnitude | 19.91 (0.03) | |||||||||
| Pan z magnitude | 20.21 (0.03) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.030 | |||||||||
* Constant surface field
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