Gaia DR2 2236900335916533248
All names: WDJ200959.32+595524.09, Gaia EDR3 2236900335916533248, SDSS J200959.28+595524.0, SDSS J200959.27+595523.9, Gaia DR3 2236900335916533248, Gaia DR2 2236900335916533248, J2009+5955, GALEX J200959.1+595523
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 09 59.20 (0.08) | 20 09 59.21 | 20 09 59.20 | 20 09 59.32 (0.08) | 20 09 59.21 | ||||||||
| Declination | 59 55 23.95 (0.07) | 59 55 23.96 | 59 55 23.95 | 59 55 24.09 (0.07) | 59 55 23.96 | ||||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 9456.0 (80) | 9278.0 (71) | 9456.0 (80) | 9971.0 | 9771.0 | 9214.0 (198) | ||||||
| log(g) | [cgs] | 8.29 (0.01) | 8.26 (0.02) | 8.29 (0.02) | 8.50 | 8.43 | 8.27 (0.03) | ||||||
| Mass | [M☉] | 0.766 (0.01) | 0.744 (0.01) | 0.767 (0.01) | 0.921 | 0.855 | 0.748 (0.03) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.1600 | 1.4600 | 1.3260 | |||||||||
| log(H/He) | -4.4 | -4.4 | -4.4 | ||||||||||
| 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] | 10.84 (0.08) | 10.86 (0.1) | 10.86 (0.1) | 10.84 | 10.84 (0.08) | 10.86 (0.1) | ||||||
| Distance | [pc] | 92.22 (0.7) | 92.08 (0.9) | 92.11 (0.9) | 92.22 | 92.22 (0.7) | 92.11 (0.9) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -55.93237077 (0.1) | -56.06221804 (0.2) | -55.932 (0.1) | -56.06221804 | ||||||||
| Proper motion (declination) | [mas/yr] | -8.887643713 (0.09) | -8.879531738 (0.2) | -8.888 (0.09) | -8.879531738 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.99 (0.01) | 17.96 (0.01) | 17.96 (0.01) | ||||||||||
| g magnitude | 17.82 (0.005) | 17.82 (0.005) | |||||||||||
| r magnitude | 17.89 (0.006) | 17.89 (0.006) | |||||||||||
| i magnitude | 18.03 (0.008) | 18.03 (0.008) | |||||||||||
| z magnitude | 18.25 (0.03) | 18.25 (0.03) | |||||||||||
| G magnitude | 17.79 (0.01) | 17.82 | 17.79 | 17.79 (0.003) | 17.82 | ||||||||
| BP magnitude | 17.84 (0.01) | 17.82 | 17.82 | ||||||||||
| RP magnitude | 17.69 (0.01) | 17.70 | 17.70 | ||||||||||
| Pan g magnitude | 17.82 (0.004) | 17.82 (0.004) | |||||||||||
| Pan r magnitude | 17.89 (0.005) | 17.89 (0.004) | |||||||||||
| Pan i magnitude | 18.02 (0.005) | 18.02 (0.005) | |||||||||||
| Pan z magnitude | 18.18 (0.007) | 18.18 (0.008) | |||||||||||
| Pan y magnitude | 18.29 (0.04) | 18.29 (0.04) | |||||||||||
| E(B-V) | 0.007 | ||||||||||||
* Constant surface field
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