Gaia DR2 600139357979417344
All names: SDSS J082036.55+085548.4, Gaia DR2 600139357979417344, Gaia EDR3 600139357980010752, WDJ082036.54+085549.25, SDSS J082036.54+085548.8, J0820+0855, Gaia DR3 600139357980010752
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 20 36.58 (0.1) | 08 20 36.58 | 08 20 36.58 | 08 20 36.53 (0.1) | 08 20 36.58 | |||||||
| Declination | 08 55 47.04 (0.09) | 08 55 47.11 | 08 55 47.04 | 08 55 49.26 (0.09) | 08 55 47.11 | |||||||
| Spectral type | DC | DA | DC | DA | ||||||||
| Effective temperature | [K] | 6965.0 (48) | 7572.0 | 7280.0 | 7649.0 (167) | |||||||
| log(g) | [cgs] | 8.18 (0.02) | 8.42 | 8.32 | 8.45 (0.04) | |||||||
| Mass | [M☉] | 0.684 (0.02) | 0.863 | 0.783 | 0.886 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.2100 | 2.8400 | 2.6910 | ||||||||
| log(H/He) | -3.4 | |||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(N/He) | ||||||||||||
| log(O/He) | ||||||||||||
| log(Na/He) | ||||||||||||
| log(Mg/He) | ||||||||||||
| log(Al/He) | ||||||||||||
| log(Si/He) | ||||||||||||
| log(P/He) | ||||||||||||
| log(S/He) | ||||||||||||
| log(Cl/He) | ||||||||||||
| log(Sc/He) | ||||||||||||
| log(Ti/He) | ||||||||||||
| log(V/He) | ||||||||||||
| log(Cr/He) | ||||||||||||
| log(Mn/He) | ||||||||||||
| log(Fe/He) | ||||||||||||
| log(Co/He) | ||||||||||||
| log(Ni/He) | ||||||||||||
| log(Cu/He) | ||||||||||||
| log(Zn/He) | ||||||||||||
| log(Ga/He) | ||||||||||||
| log(Ge/He) | ||||||||||||
| log(Sr/He) | ||||||||||||
| Parallax | [mas] | 13.26 (0.2) | 13.08 (0.2) | 13.08 (0.2) | 13.26 | 13.26 (0.2) | 13.08 (0.2) | |||||
| Distance | [pc] | 75.42 (1) | 76.45 (1) | 76.44 (1) | 75.42 | 75.42 (1) | 76.44 (1) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 46.11730289 (0.2) | 45.92473449 (0.4) | 46.117 (0.2) | 45.92473449 | |||||||
| Proper motion (declination) | [mas/yr] | -138.4231476 (0.1) | -138.1415465 (0.2) | -138.423 (0.1) | -138.1415465 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.73 (0.03) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.86 (0.02) | 18.84 (0.02) | 18.86 (0.02) | |||||||||
| g magnitude | 18.36 (0.007) | 18.33 (0.007) | ||||||||||
| r magnitude | 18.22 (0.007) | 18.22 (0.008) | ||||||||||
| i magnitude | 18.22 (0.008) | 18.22 (0.01) | ||||||||||
| z magnitude | 18.25 (0.02) | 18.28 (0.03) | ||||||||||
| G magnitude | 18.19 (0.01) | 18.22 | 18.19 | 18.19 (0.003) | 18.22 | |||||||
| BP magnitude | 18.35 (0.01) | 18.36 | 18.36 | |||||||||
| RP magnitude | 17.92 (0.02) | 17.93 | 17.93 | |||||||||
| Pan g magnitude | 18.34 (0.006) | 18.34 (0.006) | ||||||||||
| Pan r magnitude | 18.23 (0.003) | 18.23 (0.004) | ||||||||||
| Pan i magnitude | 18.24 (0.004) | 18.23 (0.004) | ||||||||||
| Pan z magnitude | 18.31 (0.008) | 18.31 (0.007) | ||||||||||
| Pan y magnitude | 18.38 (0.02) | 18.38 (0.01) | ||||||||||
| E(B-V) | 0.002 | |||||||||||
* Constant surface field
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