SDSS J170902.50+450255.3
All names: SDSS J170902.49+450255.3, Gaia EDR3 1358644910463546368, SDSS J170902.50+450255.39, SDSS J170902.49+450255.5, Gaia DR2 1358644910463546368, SDSS J170902.50+450255.3, GALEX J170902.5+450255, SDSS J170902.50+450255.5, Gaia DR3 1358644910463546368
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 09 02.50 (0.1) | 17 09 02.50 | 17 09 02.50 (0.2) | 17 09 02.50 | 17 09 02.51 (0.1) | ||||||
| Declination | 45 02 55.36 (0.2) | 45 02 55.53 | 45 02 55.36 (0.2) | 45 02 55.36 | 45 02 55.56 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 15134.0 | 19129.0 (191) | 16374.0 (1340) | |||||||
| log(g) | [cgs] | 7.90 | 8.04 (0.03) | 7.98 (0.1) | |||||||
| Mass | [M☉] | 0.557 | 0.6409999999999999 (0.02) | 0.604 (0.08) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1631 | |||||||||
| 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] | 2.76 (0.2) | 2.72 (0.2) | 2.76 | 2.76 (0.2) | ||||||
| Distance | [pc] | 362.08 (20) | 367.15 (30) | 362.08 | 362.08 (20) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.91231028 (0.2) | -2.442424786 (0.5) | -2.912 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -12.53391488 (0.2) | -12.48290943 (0.6) | -12.534 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.98 (0.02) | 19.00 (0.02) | 18.98 (0.02) | ||||||||
| g magnitude | 18.83 (0.009) | 18.85 (0.01) | 18.83 (0.009) | ||||||||
| r magnitude | 19.15 (0.01) | 19.15 (0.02) | 19.15 (0.01) | ||||||||
| i magnitude | 19.37 (0.02) | 19.35 (0.02) | 19.36 (0.02) | ||||||||
| z magnitude | 19.59 (0.07) | 19.60 (0.07) | 19.59 (0.07) | ||||||||
| G magnitude | 18.97 (0.02) | 19.01 | 18.97 | 18.97 (0.004) | |||||||
| BP magnitude | 18.97 (0.02) | 18.96 | |||||||||
| RP magnitude | 19.17 (0.04) | 19.14 | |||||||||
| Pan g magnitude | 18.84 (0.003) | ||||||||||
| Pan r magnitude | 19.12 (0.007) | ||||||||||
| Pan i magnitude | 19.42 (0.01) | ||||||||||
| Pan z magnitude | 19.60 (0.02) | ||||||||||
| Pan y magnitude | 19.91 (0.08) | ||||||||||
| E(B-V) | 0.025 | ||||||||||
* Constant surface field
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