Gaia DR2 4491748511228743808
All names: Gaia DR2 4491748511228743808, Gaia EDR3 4491748511228743808, SDSS J172006.77+102228.6, Gaia DR3 4491748511228743808, WDJ17206.79+102227.98, WDJ172006.79+102227.98, J1720+1022, SDSS J172006.78+102228.6, 2MASS J17200675+1022278, TIC 459635259
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Tremblay et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 20 06.75 (0.06) | 17 20 06.75 (0.1) | 17 20 06.75 | 17 20 06.75 | 17 20 06.79 (0.06) | 17 20 06.75 | |||||||||
| Declination | 10 22 29.49 (0.05) | 10 22 29.44 (0.1) | 10 22 29.44 | 10 22 29.49 | 10 22 27.98 (0.05) | 10 22 29.44 | |||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 4956.0 (14) | 4972.0 (54) | 4938.0 (14) | 4939.4 (55) | 4940.0 (60) | 5056.0 | 4740.0 | 5086.0 (29) | ||||||
| log(g) | [cgs] | 7.91 (0.009) | 7.90 (0.05) | 7.91 (0.009) | 7.90 (0.05) | 7.90 (0.05) | 7.99 | 7.77 | 7.99 (0.01) | ||||||
| Mass | [M☉] | 0.529 (0.007) | 0.512 (0.03) | 0.525 (0.008) | 0.571 | 0.437 | 0.571 (0.01) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 5.0800 | 5.2160 | 4.0790 | |||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | |||||||||||||||
| log(C/H) | |||||||||||||||
| log(N/H) | |||||||||||||||
| log(O/H) | |||||||||||||||
| log(Na/H) | |||||||||||||||
| log(Mg/H) | |||||||||||||||
| log(Al/H) | |||||||||||||||
| log(Si/H) | |||||||||||||||
| log(P/H) | |||||||||||||||
| log(S/H) | |||||||||||||||
| log(Sc/H) | |||||||||||||||
| log(Ti/H) | |||||||||||||||
| log(Cr/H) | |||||||||||||||
| log(Mn/H) | |||||||||||||||
| log(Fe/H) | |||||||||||||||
| log(Ni/H) | |||||||||||||||
| Parallax | [mas] | 26.60 (0.1) | 26.60 (0.1) | 26.71 (0.1) | 26.71 (0.1) | 26.71 (0.1) | 26.60 | 26.60 (0.1) | 26.71 (0.1) | ||||||
| Distance | [pc] | 37.60 (0.1) | 37.59 (0.1) | 37.44 (0.2) | 37.44 (0.2) | 37.44 (0.2) | 37.60 | 37.60 (0.1) | 37.44 (0.2) | ||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -41.28712172 (0.1) | -41.12850925 (0.2) | -41.287 (0.1) | -41.12850925 | ||||||||||
| Proper motion (declination) | [mas/yr] | 94.1134894 (0.08) | 94.15753085 (0.2) | 94.113 (0.08) | 94.15753085 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.18 (0.09) | 16.18 (0.09) | |||||||||||||
| H magnitude | 16.38 (0.3) | 16.38 (0.3) | |||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 20.06 (0.05) | 20.06 (0.05) | 20.06 (0.05) | ||||||||||||
| g magnitude | 18.31 (0.007) | 18.31 (0.007) | |||||||||||||
| r magnitude | 17.61 (0.006) | 17.61 (0.006) | |||||||||||||
| i magnitude | 17.37 (0.006) | 17.37 (0.006) | |||||||||||||
| z magnitude | 17.25 (0.01) | 17.25 (0.01) | |||||||||||||
| G magnitude | 17.65 (0.01) | 17.66 | 17.66 | 17.65 | 17.65 (0.003) | 17.66 | |||||||||
| BP magnitude | 18.11 (0.01) | 18.15 | 18.15 | ||||||||||||
| RP magnitude | 17.02 (0.007) | 17.03 | 17.03 | ||||||||||||
| Pan g magnitude | 18.22 (0.004) | 18.22 (0.004) | |||||||||||||
| Pan r magnitude | 17.62 (0.004) | 17.62 (0.004) | |||||||||||||
| Pan i magnitude | 17.38 (0.003) | 17.38 (0.004) | |||||||||||||
| Pan z magnitude | 17.31 (0.005) | 17.30 (0.005) | |||||||||||||
| Pan y magnitude | 17.26 (0.01) | 17.26 (0.01) | |||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* Constant surface field
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