SDSS J164256.46+130557.8
All names: GALEX J164256.4+130557, SDSS J164256.46+130557.8, Gaia DR2 4461030076196976512, SDSS J164256.45+130557.7, Gaia EDR3 4461030076196976512, SDSS J164256.46+130557.7, Gaia DR3 4461030076196976512
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 42 56.45 (0.5) | 16 42 56.46 | 16 42 56.46 (0.5) | 16 42 56.46 (0.5) | 16 42 56.46 | |||||
| Declination | 13 05 57.66 (0.4) | 13 05 57.76 | 13 05 57.66 (0.4) | 13 05 57.70 (0.4) | 13 05 57.76 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 21530.0 | 12993.0 (884) | |||||||
| log(g) | [cgs] | 9.47 | 9.40 (0.3) | |||||||
| Mass | [M☉] | 1.358 | 1.293 (0.06) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.8186 | ||||||||
| 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] | 3.97 (0.9) | 4.30 (1) | 3.97 (0.9) | ||||||
| Distance | [pc] | 252.07 (56) | 232.35 (56) | 252.07 (56) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -6.438345197 (0.6) | -7.421337715 (1) | -6.438 (0.6) | ||||||
| Proper motion (declination) | [mas/yr] | -2.687192735 (0.5) | -2.108956222 (1) | -2.687 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.50 (0.06) | 20.50 (0.06) | 20.56 (0.07) | |||||||
| g magnitude | 20.30 (0.02) | 20.30 (0.02) | 20.32 (0.02) | |||||||
| r magnitude | 20.43 (0.03) | 20.43 (0.03) | 20.46 (0.03) | |||||||
| i magnitude | 20.65 (0.05) | 20.65 (0.05) | 20.69 (0.05) | |||||||
| z magnitude | 21.25 (0.3) | 21.25 (0.3) | 21.36 (0.3) | |||||||
| G magnitude | 20.42 (0.08) | 20.49 | 20.42 (0.006) | |||||||
| BP magnitude | 20.48 (0.08) | 20.43 | ||||||||
| RP magnitude | 20.30 (0.1) | 20.46 | ||||||||
| Pan g magnitude | 20.38 (0.02) | |||||||||
| Pan r magnitude | 20.53 (0.01) | |||||||||
| Pan i magnitude | 20.76 (0.03) | |||||||||
| Pan z magnitude | 20.77 (0.06) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.051 | |||||||||
* Constant surface field
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