SDSS J164542.89+234830.2
All names: SDSS J164542.89+234830.35, Gaia DR2 1299925315887949696, Gaia DR3 1299925315887949696, Gaia EDR3 1299925315887949696, SDSS J164542.89+234830.2, SDSS J164542.89+234830.3, GALEX J164542.9+234830
| 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 | 16 45 42.89 (0.1) | 16 45 42.90 | 16 45 42.89 (0.1) | 16 45 42.89 | 16 45 42.90 (0.1) | ||||||
| Declination | 23 48 30.36 (0.1) | 23 48 30.29 | 23 48 30.35 (0.2) | 23 48 30.36 | 23 48 30.22 (0.1) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 14082.0 | 23938.0 (284) | 20155.0 (1471) | |||||||
| log(g) | [cgs] | 7.98 | 8.00 (0.04) | 8.21 (0.1) | |||||||
| Mass | [M☉] | 0.597 | 0.631 (0.02) | 0.746 (0.08) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2308 | |||||||||
| 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] | 2.68 (0.2) | 2.91 (0.2) | 2.68 | 2.68 (0.2) | ||||||
| Distance | [pc] | 373.69 (28) | 343.41 (29) | 373.69 | 373.69 (28) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.224904337 (0.1) | -8.293907406 (0.4) | -8.225 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | 8.649870457 (0.2) | 8.607713045 (0.5) | 8.65 (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 | 18.95 (0.02) | 18.93 (0.03) | 18.95 (0.02) | ||||||||
| g magnitude | 18.84 (0.008) | 18.85 (0.01) | 18.84 (0.008) | ||||||||
| r magnitude | 19.22 (0.01) | 19.24 (0.02) | 19.22 (0.01) | ||||||||
| i magnitude | 19.48 (0.02) | 19.49 (0.02) | 19.48 (0.02) | ||||||||
| z magnitude | 19.90 (0.1) | 19.86 (0.09) | 19.89 (0.1) | ||||||||
| G magnitude | 19.07 (0.02) | 19.11 | 19.07 | 19.07 (0.003) | |||||||
| BP magnitude | 19.02 (0.02) | 18.90 | |||||||||
| RP magnitude | 19.23 (0.03) | 19.24 | |||||||||
| Pan g magnitude | 18.93 (0.004) | ||||||||||
| Pan r magnitude | 19.23 (0.01) | ||||||||||
| Pan i magnitude | 19.51 (0.009) | ||||||||||
| Pan z magnitude | 19.71 (0.02) | ||||||||||
| Pan y magnitude | 19.69 (0.04) | ||||||||||
| E(B-V) | 0.032 | ||||||||||
* Constant surface field
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