SDSS J082704.44+184624.3
All names: SDSS J082704.45+184624.3, SDSS J082704.44+184624.3, Gaia DR3 662505165039207040, Gaia EDR3 662505165039207040, GALEX J082704.4+184625, Gaia DR2 662505165039207040
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 27 04.44 (0.2) | 08 27 04.45 | 08 27 04.44 (0.3) | 08 27 04.45 (0.2) | 08 27 04.45 | |||||
| Declination | 18 46 24.39 (0.2) | 18 46 24.32 | 18 46 24.39 (0.2) | 18 46 24.41 (0.2) | 18 46 24.32 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 30612.0 (352) | 20052.0 | 29508.0 (518) | ||||||
| log(g) | [cgs] | 7.18 (0.09) | 5.82 | 7.14 (0.1) | ||||||
| Mass | [M☉] | 0.33 (0.03) | 0.097 | 0.404 (0.03) | ||||||
| log(Luminosity) | [L☉] | -0.32 (0.06) | ||||||||
| Cooling age | [Gyr] | 0.0003 (0.0002) | ||||||||
| 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] | 0.47 (0.3) | -0.42 (0.5) | 0.47 (0.3) | ||||||
| Distance | [pc] | 2132.83 (1248) | 2132.65 (1247) | |||||||
| Composition | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -2.893238013 (0.3) | -3.290281787 (0.7) | -2.893 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -1.731803482 (0.2) | -1.876507397 (0.4) | -1.732 (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 | 18.87 (0.02) | 18.87 (0.02) | 18.86 (0.03) | |||||||
| g magnitude | 18.99 (0.009) | 18.99 (0.009) | 18.99 (0.02) | |||||||
| r magnitude | 19.45 (0.01) | 19.45 (0.01) | 19.47 (0.02) | |||||||
| i magnitude | 19.78 (0.02) | 19.78 (0.02) | 19.78 (0.03) | |||||||
| z magnitude | 20.05 (0.1) | 20.10 (0.1) | 20.11 (0.1) | |||||||
| G magnitude | 19.22 (0.03) | 19.26 | 19.22 (0.004) | |||||||
| BP magnitude | 19.10 (0.03) | 19.07 | ||||||||
| RP magnitude | 19.44 (0.06) | 19.32 | ||||||||
| Pan g magnitude | 19.06 (0.01) | |||||||||
| Pan r magnitude | 19.42 (0.01) | |||||||||
| Pan i magnitude | 19.78 (0.01) | |||||||||
| Pan z magnitude | 20.08 (0.03) | |||||||||
| Pan y magnitude | 20.05 (0.05) | |||||||||
| E(B-V) | 0.034 | |||||||||
* Constant surface field
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