Gaia DR2 39387328302768640
All names: WDJ040242.39+152742.46, 2MASS J04024236+1527419, SDSS J040242.42+152742.7, Gaia DR3 39387328302768640, Gaia EDR3 39387328302768640, GALEX J040242.3+152743, WDJ040242.39+152742.47, TIC 243012602, SDSS J040242.41+152742.6, J0402+1527, Gaia DR2 39387328302768640
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | 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 | 04 02 42.45 (0.06) | 04 02 42.45 (0.09) | 04 02 42.45 | 04 02 42.45 | 04 02 42.39 (0.06) | 04 02 42.45 | ||||||||||
| Declination | 15 27 42.96 (0.04) | 15 27 42.94 (0.04) | 15 27 42.94 | 15 27 42.96 | 15 27 42.47 (0.04) | 15 27 42.94 | ||||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 6800.0 (32) | 6894.0 (53) | 6873.0 (27) | 6800.0 (33) | 6848.4 (34) | 6850.0 (30) | 7392.0 | 7112.0 | 6761.0 (63) | ||||||
| log(g) | [cgs] | 8.13 (0.008) | 8.15 (0.03) | 8.15 (0.008) | 8.13 (0.009) | 8.13 (0.02) | 8.14 (0.02) | 8.38 | 8.28 | 8.15 (0.01) | ||||||
| Mass | [M☉] | 0.653 (0.008) | 0.668 (0.02) | 0.669 (0.007) | 0.653 (0.008) | 0.837 | 0.756 | 0.671 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 2.1700 | 2.8490 | 2.6510 | ||||||||||||
| log(H/He) | -3.4 | -3.4 | -3.4 | |||||||||||||
| 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] | 27.08 (0.07) | 27.08 (0.07) | 27.09 (0.1) | 27.09 (0.1) | 27.09 (0.1) | 27.08 | 27.08 (0.07) | 27.09 (0.1) | |||||||
| Distance | [pc] | 36.93 (0.1) | 36.93 (0.1) | 36.91 (0.1) | 36.91 (0.1) | 36.91 (0.1) | 36.93 | 36.93 (0.1) | 36.91 (0.1) | |||||||
| Composition | He | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 60.24394194 (0.09) | 60.11767309 (0.2) | 60.244 (0.09) | 60.11767309 | |||||||||||
| Proper motion (declination) | [mas/yr] | 30.48297353 (0.05) | 30.41962455 (0.1) | 30.483 (0.05) | 30.41962455 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | ||||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.13 (0.01) | 16.29 (0.1) | ||||||||||||||
| H magnitude | 15.90 (0.2) | 15.90 (0.2) | ||||||||||||||
| K magnitude | 16.00 (0.03) | |||||||||||||||
| u magnitude | 17.31 (0.009) | 17.32 (0.009) | 17.32 (0.009) | |||||||||||||
| g magnitude | 16.80 (0.004) | 16.80 (0.004) | ||||||||||||||
| r magnitude | 16.64 (0.004) | 16.64 (0.004) | ||||||||||||||
| i magnitude | 16.64 (0.005) | 16.64 (0.005) | ||||||||||||||
| z magnitude | 16.70 (0.009) | 16.70 (0.009) | ||||||||||||||
| G magnitude | 16.62 (0.003) | 16.64 | 16.64 | 16.62 | 16.62 (0.003) | 16.64 | ||||||||||
| BP magnitude | 16.80 (0.003) | 16.79 | 16.79 | |||||||||||||
| RP magnitude | 16.33 (0.004) | 16.32 | 16.32 | |||||||||||||
| Pan g magnitude | 16.80 (0.004) | 16.80 (0.004) | ||||||||||||||
| Pan r magnitude | 16.66 (0.004) | 16.66 (0.004) | ||||||||||||||
| Pan i magnitude | 16.66 (0.002) | 16.66 (0.003) | ||||||||||||||
| Pan z magnitude | 16.74 (0.006) | 16.74 (0.007) | ||||||||||||||
| Pan y magnitude | 16.79 (0.01) | 16.79 (0.007) | ||||||||||||||
| E(B-V) | 0.000 | |||||||||||||||
* Constant surface field
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