SDSS J114052.56+124544.5
All names: Gaia DR2 3917712246486088064, J1140+1245, SDSS J114052.56+124544.6, SDSS J114052.56+124544.56, Gaia DR3 3917712246486088064, GALEX J114052.5+124544, WDJ114052.56+124544.80, SDSS J114052.56+124544.5, Gaia EDR3 3917712246486088064
| 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 40 52.55 (0.1) | 11 40 52.56 | 11 40 52.55 (0.1) | 11 40 52.55 | 11 40 52.56 (0.1) | 11 40 52.55 | |||||||||
| Declination | 12 45 43.41 (0.09) | 12 45 44.56 | 12 45 43.46 (0.1) | 12 45 43.41 | 12 45 44.80 (0.09) | 12 45 43.46 | |||||||||
| Spectral type | DC | DC: | DC: | DC: | DC: | DC | DC | DC | |||||||
| Effective temperature | [K] | 6157.0 (28) | 6231.0 (25) | 6643.0 | 6394.0 | 8000.0 (1000) | 5892.0 (138) | ||||||||
| log(g) | [cgs] | 7.98 (0.01) | 7.99 (0.01) | 8.22 | 8.10 | 6.50 (0.5) | 7.97 (0.03) | ||||||||
| Mass | [M☉] | 0.558 (0.009) | 0.566 (0.01) | 0.729 | 0.635 | 0.554 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 2.1700 | 2.7490 | 2.4520 | |||||||||||
| log(H/He) | -3.0 | -3.0 | |||||||||||||
| 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] | 17.48 (0.1) | 17.30 (0.1) | 17.30 (0.1) | 17.48 | 17.48 (0.1) | 17.30 (0.1) | ||||||||
| Distance | [pc] | 57.20 (0.4) | 57.80 (0.5) | 57.80 (0.5) | 57.20 | 57.20 (0.4) | 57.80 (0.5) | ||||||||
| Composition | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -16.25399939 (0.1) | -16.10948254 (0.3) | -16.254 (0.1) | -16.10948254 | ||||||||||
| Proper motion (declination) | [mas/yr] | -86.47425003 (0.1) | -86.39493994 (0.2) | -86.474 (0.1) | -86.39493994 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.07 (0.02) | ||||||||||||||
| H magnitude | 16.91 (0.04) | ||||||||||||||
| K magnitude | 16.91 (0.06) | ||||||||||||||
| u magnitude | 18.65 (0.02) | 18.64 (0.02) | 18.65 (0.02) | 18.66 (0.02) | 18.66 (0.02) | ||||||||||
| g magnitude | 18.03 (0.006) | 18.03 (0.01) | 18.03 (0.006) | 18.03 (0.006) | |||||||||||
| r magnitude | 17.75 (0.006) | 17.75 (0.01) | 17.75 (0.006) | 17.75 (0.006) | |||||||||||
| i magnitude | 17.70 (0.007) | 17.70 (0.01) | 17.70 (0.007) | 17.70 (0.007) | |||||||||||
| z magnitude | 17.71 (0.02) | 17.71 (0.02) | 17.71 (0.02) | 17.71 (0.02) | |||||||||||
| G magnitude | 17.75 (0.01) | 17.77 | 17.75 | 17.75 (0.003) | 17.77 | ||||||||||
| BP magnitude | 17.97 (0.01) | 17.99 | 17.99 | ||||||||||||
| RP magnitude | 17.37 (0.01) | 17.37 | 17.37 | ||||||||||||
| Pan g magnitude | 17.99 (0.004) | 17.98 (0.005) | |||||||||||||
| Pan r magnitude | 17.74 (0.003) | 17.74 (0.003) | |||||||||||||
| Pan i magnitude | 17.71 (0.004) | 17.71 (0.003) | |||||||||||||
| Pan z magnitude | 17.74 (0.003) | 17.74 (0.004) | |||||||||||||
| Pan y magnitude | 17.75 (0.007) | 17.75 (0.008) | |||||||||||||
| E(B-V) | 0.002 | ||||||||||||||
* Constant surface field
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