SDSS J110945.76+122606.6
All names: SDSS J110945.76+122606.67, Gaia DR2 3964744479135122560, GALEX J110945.7+122606, Gaia DR3 3964744479135122560, Gaia EDR3 3964744479135122560, J1109+1226, SDSS J110945.76+122606.7, SDSS J110945.75+122606.6, SDSS J110945.76+122606.6, WDJ110945.76+122606.74
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 09 45.76 (0.1) | 11 09 45.76 | 11 09 45.76 (0.2) | 11 09 45.76 | 11 09 45.76 (0.1) | 11 09 45.76 | |||||||||
| Declination | 12 26 06.64 (0.1) | 12 26 06.67 | 12 26 06.65 (0.3) | 12 26 06.64 | 12 26 06.73 (0.1) | 12 26 06.65 | |||||||||
| Spectral type | DC | DC | DC | DC | DC | DA | DC | DC: | |||||||
| Effective temperature | [K] | 6750.0 (57) | 6744.0 (56) | 7210.0 | 6939.0 | 7200.0 (1000) | 7339.0 (205) | ||||||||
| log(g) | [cgs] | 8.34 (0.02) | 8.38 (0.02) | 8.59 | 8.49 | 7.05 (0.5) | 8.58 (0.04) | ||||||||
| Mass | [M☉] | 0.796 (0.02) | 0.823 (0.02) | 0.971 | 0.897 | 0.965 (0.04) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 3.6300 | 3.8230 | 3.7480 | |||||||||||
| log(H/He) | -3.4 | -3.2 | |||||||||||||
| 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] | 14.07 (0.2) | 14.53 (0.2) | 14.53 (0.2) | 14.07 | 14.07 (0.2) | 14.53 (0.2) | ||||||||
| Distance | [pc] | 71.05 (0.9) | 68.82 (1) | 68.82 (1) | 71.05 | 71.05 (0.9) | 68.82 (1) | ||||||||
| Composition | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.081838724 (0.2) | -2.449013997 (0.5) | -2.082 (0.2) | -2.449013997 | ||||||||||
| Proper motion (declination) | [mas/yr] | -5.752537082 (0.2) | -5.971989293 (0.4) | -5.753 (0.2) | -5.971989293 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 19.10 (0.03) | 19.10 (0.03) | 19.10 (0.03) | 19.10 (0.03) | 19.10 (0.03) | ||||||||||
| g magnitude | 18.57 (0.008) | 18.57 (0.01) | 18.57 (0.008) | 18.57 (0.008) | |||||||||||
| r magnitude | 18.43 (0.009) | 18.43 (0.01) | 18.43 (0.009) | 18.43 (0.009) | |||||||||||
| i magnitude | 18.43 (0.01) | 18.43 (0.01) | 18.43 (0.01) | 18.43 (0.01) | |||||||||||
| z magnitude | 18.41 (0.04) | 18.41 (0.04) | 18.41 (0.04) | 18.41 (0.04) | |||||||||||
| G magnitude | 18.42 (0.02) | 18.45 | 18.42 | 18.42 (0.004) | 18.45 | ||||||||||
| BP magnitude | 18.59 (0.02) | 18.66 | 18.66 | ||||||||||||
| RP magnitude | 18.12 (0.02) | 18.11 | 18.11 | ||||||||||||
| Pan g magnitude | 18.59 (0.008) | 18.59 (0.007) | |||||||||||||
| Pan r magnitude | 18.45 (0.006) | 18.45 (0.006) | |||||||||||||
| Pan i magnitude | 18.45 (0.005) | 18.45 (0.006) | |||||||||||||
| Pan z magnitude | 18.46 (0.01) | 18.46 (0.009) | |||||||||||||
| Pan y magnitude | 18.55 (0.02) | 18.55 (0.02) | |||||||||||||
| E(B-V) | 0.003 | ||||||||||||||
* Constant surface field
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