SDSS J172037.66+275953.3
All names: SDSS J172037.66+275953.4, GALEX J172037.6+275953, Gaia DR3 4574496549447536256, SDSS J172037.66+275953.3, Gaia DR2 4574496549447536256, SDSS J172037.67+275953.4, Gaia EDR3 4574496549447536256
| 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 | 17 20 37.67 (0.06) | 17 20 37.66 | 17 20 37.67 (0.08) | 17 20 37.67 | 17 20 37.66 (0.06) | 17 20 37.67 | |||||
| Declination | 27 59 53.89 (0.08) | 27 59 53.35 | 27 59 53.87 (0.1) | 27 59 53.89 | 27 59 53.28 (0.08) | 27 59 53.43 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 17336.0 | 17727.0 (705) | 18715.0 (125) | |||||||
| log(g) | [cgs] | 8.11 | 8.04 (0.04) | 7.98 (0.02) | |||||||
| Mass | [M☉] | 0.683 | 0.639 (0.03) | 0.61 (0.009) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1498 | |||||||||
| 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] | 4.15 (0.1) | 4.38 (0.1) | 4.15 | 4.15 (0.1) | ||||||
| Distance | [pc] | 240.68 (6) | 228.06 (6) | 240.68 | 240.68 (6) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.90891911 (0.09) | 7.935206253 (0.2) | 7.909 (0.09) | |||||||
| Proper motion (declination) | [mas/yr] | 37.95711371 (0.1) | 38.30025336 (0.2) | 37.957 (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 | 18.00 (0.01) | 18.00 (0.01) | 17.98 (0.02) | ||||||||
| g magnitude | 17.82 (0.006) | 17.82 (0.006) | 17.83 (0.01) | ||||||||
| r magnitude | 18.16 (0.007) | 18.16 (0.007) | 18.15 (0.01) | ||||||||
| i magnitude | 18.44 (0.009) | 18.45 (0.009) | 18.43 (0.02) | ||||||||
| z magnitude | 18.69 (0.03) | 18.69 (0.03) | 18.74 (0.04) | ||||||||
| G magnitude | 18.00 (0.01) | 18.03 | 18.00 | 18.00 (0.003) | |||||||
| BP magnitude | 17.96 (0.01) | 17.92 | |||||||||
| RP magnitude | 18.17 (0.02) | 18.15 | |||||||||
| Pan g magnitude | 17.86 (0.005) | ||||||||||
| Pan r magnitude | 18.17 (0.006) | ||||||||||
| Pan i magnitude | 18.47 (0.007) | ||||||||||
| Pan z magnitude | 18.70 (0.008) | ||||||||||
| Pan y magnitude | 18.92 (0.03) | ||||||||||
| E(B-V) | 0.021 | ||||||||||
* Constant surface field
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