SDSS J162020.91+214543.0
All names: GALEX J162020.9+214542, SDSS J162020.89+214542.9, Gaia DR2 1298515020427786624, Gaia DR3 1298515020427786624, Gaia EDR3 1298515020427786624, SDSS J162020.89+214542.98, SDSS J162020.91+214543.0
| 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 20 20.88 (0.04) | 16 20 20.92 | 16 20 20.88 (0.06) | 16 20 20.88 | 16 20 20.92 (0.04) | ||||||
| Declination | 21 45 42.94 (0.05) | 21 45 43.06 | 21 45 42.94 (0.06) | 21 45 42.94 | 21 45 43.10 (0.05) | ||||||
| Spectral type | DA | DA | DA | DA | DA+MS | ||||||
| Effective temperature | [K] | 25493.0 | 27081.0 (71) | 25480.0 (697) | |||||||
| log(g) | [cgs] | 7.87 | 7.98 (0.01) | 7.91 (0.03) | |||||||
| Mass | [M☉] | 0.569 | 0.627 (0.005) | 0.588 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0164 | |||||||||
| 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] | 3.99 (0.07) | 3.90 (0.09) | 3.99 | 3.99 (0.07) | ||||||
| Distance | [pc] | 250.70 (4) | 256.36 (6) | 250.70 | 250.70 (4) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -39.37976961 (0.06) | -39.24157935 (0.1) | -39.38 (0.06) | |||||||
| Proper motion (declination) | [mas/yr] | -10.30931719 (0.07) | -10.46528838 (0.1) | -10.309 (0.07) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | ||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.05 (0.008) | 17.06 (0.01) | 17.05 (0.008) | ||||||||
| g magnitude | 17.11 (0.005) | 17.11 (0.02) | 17.11 (0.005) | ||||||||
| r magnitude | 17.51 (0.006) | 17.52 (0.03) | 17.51 (0.006) | ||||||||
| i magnitude | 17.80 (0.008) | 17.79 (0.1) | 17.80 (0.008) | ||||||||
| z magnitude | 18.09 (0.02) | 18.07 (0.3) | 18.09 (0.02) | ||||||||
| G magnitude | 17.31 (0.008) | 17.34 | 17.31 | 17.31 (0.003) | |||||||
| BP magnitude | 17.20 (0.008) | 17.15 | |||||||||
| RP magnitude | 17.24 (0.03) | 17.01 | |||||||||
| Pan g magnitude | 17.18 (0.02) | ||||||||||
| Pan r magnitude | 17.48 (0.005) | ||||||||||
| Pan i magnitude | 17.84 (0.009) | ||||||||||
| Pan z magnitude | 18.08 (0.02) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.058 | ||||||||||
* Constant surface field
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