SDSS J203758.85+772135.3
All names: SDSS J203758.83+772135.2, SDSS J203758.84+772135.3, SDSS J203758.85+772135.3, GALEX J203759.5+772133, Gaia EDR3 2290675044447741440, Gaia DR3 2290675044447741440, Gaia DR2 2290675044447741440
| 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 | 20 37 58.74 (0.3) | 20 37 58.84 | 20 37 58.74 (0.4) | 20 37 58.88 (0.3) | 20 37 58.85 | |||||
| Declination | 77 21 35.11 (0.4) | 77 21 35.29 | 77 21 35.12 (0.5) | 77 21 35.30 (0.4) | 77 21 35.31 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 15701.0 | 14294.0 (1115) | |||||||
| log(g) | [cgs] | 8.08 | 8.49 (0.2) | |||||||
| Mass | [M☉] | 0.664 | 0.903 (0.1) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1960 | ||||||||
| 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] | 2.11 (0.4) | 2.31 (0.5) | 2.11 (0.4) | ||||||
| Distance | [pc] | 474.43 (87) | 432.21 (89) | 474.43 (87) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -29.18206572 (0.4) | -27.8388732 (1) | -29.182 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -11.49556901 (0.5) | -11.51225196 (1) | -11.496 (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 | 20.52 (0.07) | 20.52 (0.07) | 20.53 (0.07) | |||||||
| g magnitude | 20.10 (0.02) | 20.10 (0.02) | 20.14 (0.02) | |||||||
| r magnitude | 20.07 (0.02) | 20.07 (0.03) | 20.11 (0.02) | |||||||
| i magnitude | 20.16 (0.04) | 20.16 (0.04) | 20.19 (0.04) | |||||||
| z magnitude | 20.59 (0.2) | 20.59 (0.2) | 20.56 (0.2) | |||||||
| G magnitude | 20.07 (0.05) | 20.11 | 20.07 (0.006) | |||||||
| BP magnitude | 20.12 (0.05) | 20.10 | ||||||||
| RP magnitude | 19.93 (0.08) | 19.89 | ||||||||
| Pan g magnitude | 20.09 (0.02) | |||||||||
| Pan r magnitude | 20.10 (0.03) | |||||||||
| Pan i magnitude | 20.26 (0.03) | |||||||||
| Pan z magnitude | 20.33 (0.04) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.185 | |||||||||
* Constant surface field
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