Gaia DR2 676773359928988672
All names: SDSS J080920.23+213007.6, WDJ080920.25+213008.04, WDJ080920.24+213008.05, Gaia EDR3 676773359928988672, Gaia DR3 676773359928988672, Gaia DR2 676773359928988672
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 09 20.18 (0.3) | 08 09 20.18 | 08 09 20.18 | 08 09 20.25 (0.3) | 08 09 20.18 | |||||
| Declination | 21 30 05.85 (0.2) | 21 30 05.92 | 21 30 05.85 | 21 30 08.05 (0.2) | 21 30 05.92 | |||||
| Spectral type | DA: | DA | ||||||||
| Effective temperature | [K] | 4505.0 | 4192.0 | 4670.0 (140) | ||||||
| log(g) | [cgs] | 7.85 | 7.59 | 7.96 (0.07) | ||||||
| Mass | [M☉] | 0.492 | 0.353 | 0.553 (0.07) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 6.0110 | 4.1470 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 15.03 (0.3) | 15.35 (0.5) | 15.03 | 15.03 (0.3) | 15.35 (0.5) | ||||
| Distance | [pc] | 66.54 (1) | 65.13 (2) | 66.54 | 66.54 (1) | 65.13 (2) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -60.24154731 (0.3) | -60.17721396 (0.7) | -60.242 (0.3) | -60.17721396 | |||||
| Proper motion (declination) | [mas/yr] | -137.0232921 (0.2) | -137.1450975 (0.4) | -137.023 (0.2) | -137.1450975 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 22.42 (0.2) | 22.42 (0.2) | ||||||||
| g magnitude | 20.16 (0.02) | 20.16 (0.02) | ||||||||
| r magnitude | 19.21 (0.01) | 19.21 (0.01) | ||||||||
| i magnitude | 18.84 (0.01) | 18.84 (0.01) | ||||||||
| z magnitude | 18.69 (0.03) | 18.69 (0.03) | ||||||||
| G magnitude | 19.25 (0.06) | 19.28 | 19.25 | 19.25 (0.004) | 19.28 | |||||
| BP magnitude | 19.91 (0.06) | 19.82 | 19.82 | |||||||
| RP magnitude | 18.57 (0.03) | 18.54 | 18.54 | |||||||
| Pan g magnitude | 20.00 (0.02) | |||||||||
| Pan r magnitude | 19.21 (0.008) | |||||||||
| Pan i magnitude | 18.87 (0.01) | |||||||||
| Pan z magnitude | 18.76 (0.01) | |||||||||
| Pan y magnitude | 18.63 (0.04) | |||||||||
| E(B-V) | 0.002 | |||||||||
* Constant surface field
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