SDSS J080230.31+472828.0
All names: GALEX J080230.1+472827, SDSS J080230.31+472828.0, Gaia DR2 932894625000792576, SDSS J080230.27+472828.4, Gaia EDR3 932894625000792576, SDSS J080230.31+472828.09, SDSS J080230.31+472828.1, Gaia DR3 932894625000792576, SDSS J080230.27+472828.3, SDSS J080230.28+472828.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 02 30.35 (0.1) | 08 02 30.28 | 08 02 30.35 (0.2) | 08 02 30.35 | 08 02 30.28 (0.1) | |||||||
| Declination | 47 28 28.04 (0.1) | 47 28 28.39 | 47 28 28.05 (0.2) | 47 28 28.04 | 47 28 28.40 (0.1) | |||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8161.0 | 7881.0 | 10086.0 (16) | 7771.0 (240) | |||||||
| log(g) | [cgs] | 8.17 | 8.08 | 9.68 (0.3) | 7.98 (0.06) | |||||||
| Mass | [M☉] | 0.7 | 0.623 | 0.564 (0.05) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.3190 | 1.2750 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 9.57 (0.2) | 9.64 (0.2) | 9.57 | 9.57 (0.2) | |||||||
| Distance | [pc] | 104.50 (2) | 103.73 (3) | 104.50 | 104.50 (2) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 44.77856662 (0.2) | 44.83481181 (0.3) | 44.779 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -22.77434497 (0.1) | -22.75817655 (0.3) | -22.774 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.64 (0.02) | 18.65 (0.03) | 18.64 (0.02) | |||||||||
| g magnitude | 18.31 (0.007) | 18.32 (0.02) | 18.31 (0.007) | |||||||||
| r magnitude | 18.27 (0.008) | 18.26 (0.01) | 18.27 (0.008) | |||||||||
| i magnitude | 18.31 (0.01) | 18.30 (0.02) | 18.31 (0.01) | |||||||||
| z magnitude | 18.42 (0.03) | 18.42 (0.03) | 18.42 (0.03) | |||||||||
| G magnitude | 18.20 (0.02) | 18.23 | 18.20 | 18.20 (0.003) | ||||||||
| BP magnitude | 18.35 (0.02) | 18.33 | ||||||||||
| RP magnitude | 18.03 (0.04) | 18.00 | ||||||||||
| Pan g magnitude | 18.29 (0.007) | |||||||||||
| Pan r magnitude | 18.25 (0.01) | |||||||||||
| Pan i magnitude | 18.31 (0.004) | |||||||||||
| Pan z magnitude | 18.41 (0.007) | |||||||||||
| Pan y magnitude | 18.44 (0.02) | |||||||||||
| E(B-V) | 0.003 | |||||||||||
* Constant surface field
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