SDSS J163857.21+233531.4
All names: Gaia DR2 1299685935887742336, SDSS J163857.21+233531.5, SDSS J163857.21+233531.45, Gaia DR3 1299685935887742464, GALEX J163857.2+233531, SDSS J163857.20+233531.4, SDSS J163857.21+233531.4, Gaia EDR3 1299685935887742464
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 38 57.21 (0.1) | 16 38 57.21 | 16 38 57.21 (0.3) | 16 38 57.21 (0.1) | |||||||
| Declination | 23 35 31.46 (0.2) | 23 35 31.41 | 23 35 31.46 (0.3) | 23 35 31.38 (0.2) | |||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 41701.0 (1979) | 29321.0 | 42969.0 (1099) | |||||||
| log(g) | [cgs] | 7.81 (0.2) | 7.04 | 8.12 (0.1) | |||||||
| Mass | [M☉] | 0.58 (0.09) | 0.321 | 0.718 (0.06) | |||||||
| log(Luminosity) | [L☉] | -0.18 (0.2) | |||||||||
| Cooling age | [Gyr] | 0.0033 (0.0007) | 0.0095 | ||||||||
| 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] | 0.90 (0.3) | 0.62 (0.4) | 0.90 (0.3) | |||||||
| Distance | [pc] | 1111.05 (376) | 1614.83 (1139) | 1111.11 (376) | |||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.643600225 (0.2) | 1.965884822 (0.7) | 1.644 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 4.974342192 (0.3) | 5.631728474 (0.7) | 4.974 (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 | 19.11 (0.02) | 19.12 (0.02) | 19.11 (0.02) | ||||||||
| g magnitude | 19.39 (0.01) | 19.40 (0.02) | 19.39 (0.01) | ||||||||
| r magnitude | 19.81 (0.02) | 19.81 (0.02) | 19.81 (0.02) | ||||||||
| i magnitude | 20.18 (0.03) | 20.18 (0.03) | 20.18 (0.03) | ||||||||
| z magnitude | 20.34 (0.1) | 20.34 (0.1) | 20.34 (0.1) | ||||||||
| G magnitude | 19.61 (0.03) | 19.68 | 19.61 (0.004) | ||||||||
| BP magnitude | 19.53 (0.03) | 19.39 | |||||||||
| RP magnitude | 19.81 (0.06) | 19.80 | |||||||||
| Pan g magnitude | 19.43 (0.02) | ||||||||||
| Pan r magnitude | 19.91 (0.007) | ||||||||||
| Pan i magnitude | 20.19 (0.02) | ||||||||||
| Pan z magnitude | 20.43 (0.03) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.035 | ||||||||||
* Constant surface field
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