SDSS J093908.47+642815.2
All names: SDSS J093908.47+642815.2, Gaia EDR3 1064642540646892672, SDSS J093908.48+642814.8, Gaia DR2 1064642540646892672, Gaia DR3 1064642540646892672, GALEX J093908.3+642814, SDSS J093908.47+642815.25
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 39 08.40 (0.3) | 09 39 08.49 | 09 39 08.41 (0.4) | 09 39 08.52 (0.3) | ||||||
| Declination | 64 28 14.44 (0.4) | 64 28 14.89 | 64 28 14.45 (0.6) | 64 28 15.01 (0.4) | ||||||
| Spectral type | DA: | DA: | DA | DA | ||||||
| Effective temperature | [K] | 8137.0 | 8710.0 (306) | |||||||
| log(g) | [cgs] | 7.93 | 8.00 (1) | |||||||
| Mass | [M☉] | 0.554 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.9321 | ||||||||
| 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] | 3.46 (0.6) | 3.27 (0.8) | 3.46 (0.6) | ||||||
| Distance | [pc] | 288.81 (46) | 305.67 (79) | 288.81 (46) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -47.72184955 (0.4) | -48.07402337 (0.8) | -47.722 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -36.07574187 (0.5) | -35.60403801 (0.9) | -36.076 (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 | 20.79 (0.08) | 20.80 (0.07) | 20.79 (0.08) | |||||||
| g magnitude | 20.32 (0.02) | 20.33 (0.03) | 20.33 (0.02) | |||||||
| r magnitude | 20.27 (0.03) | 20.27 (0.03) | 20.27 (0.03) | |||||||
| i magnitude | 20.31 (0.04) | 20.29 (0.05) | 20.32 (0.04) | |||||||
| z magnitude | 20.22 (0.2) | 20.21 (0.2) | 20.21 (0.2) | |||||||
| G magnitude | 20.22 (0.06) | 20.27 | 20.22 (0.005) | |||||||
| BP magnitude | 20.32 (0.06) | 20.32 | ||||||||
| RP magnitude | 20.00 (0.08) | 19.89 | ||||||||
| Pan g magnitude | 20.30 (0.01) | |||||||||
| Pan r magnitude | 20.28 (0.01) | |||||||||
| Pan i magnitude | 20.32 (0.01) | |||||||||
| Pan z magnitude | 20.38 (0.06) | |||||||||
| Pan y magnitude | 19.89 (0.2) | |||||||||
| E(B-V) | 0.018 | |||||||||
* Constant surface field
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