Gaia DR2 825049851623687296
All names: Gaia DR3 825049851623687296, J0944+4807, SDSS J094435.18+480716.7, SDSS J094435.18+480716.8, Gaia DR2 825049851623687296, WDJ094435.16+480716.64, Gaia EDR3 825049851623687296
| 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 | 09 44 35.33 (0.09) | 09 44 35.32 | 09 44 35.33 | 09 44 35.16 (0.09) | 09 44 35.32 | ||||||||
| Declination | 48 07 17.70 (0.09) | 48 07 17.66 | 48 07 17.70 | 48 07 16.65 (0.09) | 48 07 17.66 | ||||||||
| Spectral type | DC | DC | DC | DC: | DC | ||||||||
| Effective temperature | [K] | 5984.0 (40) | 6004.0 (46) | 5984.0 (40) | 6547.0 | 6293.0 | 5770.0 (155) | ||||||
| log(g) | [cgs] | 8.05 (0.02) | 8.08 (0.02) | 8.07 (0.02) | 8.35 | 8.23 | 8.10 (0.03) | ||||||
| Mass | [M☉] | 0.602 (0.01) | 0.622 (0.01) | 0.616 (0.02) | 0.816 | 0.721 | 0.63 (0.03) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 3.1500 | 3.7490 | 3.6400 | |||||||||
| log(H/He) | -3.0 | -3.0 | -3 | ||||||||||
| 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] | 14.97 (0.1) | 15.20 (0.2) | 15.20 (0.2) | 14.97 | 14.97 (0.1) | 15.20 (0.2) | ||||||
| Distance | [pc] | 66.78 (0.6) | 65.79 (0.8) | 65.79 (0.8) | 66.78 | 66.78 (0.6) | 65.79 (0.8) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 101.8775057 (0.1) | 101.9306387 (0.2) | 101.878 (0.1) | 101.9306387 | ||||||||
| Proper motion (declination) | [mas/yr] | 65.57725027 (0.1) | 65.93766322 (0.3) | 65.577 (0.1) | 65.93766322 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.53 (0.03) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.26 (0.03) | 19.26 (0.03) | 19.26 (0.03) | ||||||||||
| g magnitude | 18.56 (0.007) | 18.56 (0.007) | |||||||||||
| r magnitude | 18.29 (0.008) | 18.29 (0.008) | |||||||||||
| i magnitude | 18.21 (0.009) | 18.21 (0.009) | |||||||||||
| z magnitude | 18.23 (0.03) | 18.23 (0.03) | |||||||||||
| G magnitude | 18.28 (0.02) | 18.31 | 18.28 | 18.28 (0.003) | 18.31 | ||||||||
| BP magnitude | 18.53 (0.02) | 18.55 | 18.55 | ||||||||||
| RP magnitude | 17.92 (0.01) | 17.94 | 17.94 | ||||||||||
| Pan g magnitude | 18.53 (0.007) | 18.53 (0.007) | |||||||||||
| Pan r magnitude | 18.30 (0.005) | 18.30 (0.005) | |||||||||||
| Pan i magnitude | 18.22 (0.004) | 18.22 (0.004) | |||||||||||
| Pan z magnitude | 18.26 (0.006) | 18.26 (0.006) | |||||||||||
| Pan y magnitude | 18.27 (0.01) | 18.27 (0.01) | |||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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