Gaia DR2 276576484910598912
All names: WDJ042137.03+553535.56, Gaia DR3 276576484910598912, Gaia DR2 276576484910598912, WDJ042137.03+553535.57, SDSS J042137.06+553535.4, Gaia EDR3 276576484910598912, SDSS J042137.06+553535.5, J0421+5535
| 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 | 04 21 37.13 (0.07) | 04 21 37.13 | 04 21 37.13 | 04 21 37.03 (0.07) | 04 21 37.13 | ||||||||
| Declination | 55 35 35.35 (0.06) | 55 35 35.35 | 55 35 35.35 | 55 35 35.57 (0.06) | 55 35 35.35 | ||||||||
| Spectral type | DC | DC | DC | DC: | DC | ||||||||
| Effective temperature | [K] | 7072.0 (54) | 7071.0 (44) | 7072.0 (54) | 7542.0 | 7249.0 | 6773.0 (98) | ||||||
| log(g) | [cgs] | 8.20 (0.01) | 8.20 (0.01) | 8.20 (0.01) | 8.42 | 8.32 | 8.16 (0.02) | ||||||
| Mass | [M☉] | 0.701 (0.01) | 0.702 (0.01) | 0.702 (0.01) | 0.86 | 0.78 | 0.674 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.2700 | 2.8530 | 2.6950 | |||||||||
| 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] | 16.90 (0.09) | 16.94 (0.1) | 16.94 (0.1) | 16.90 | 16.90 (0.09) | 16.94 (0.1) | ||||||
| Distance | [pc] | 59.16 (0.3) | 59.03 (0.4) | 59.04 (0.4) | 59.16 | 59.16 (0.3) | 59.04 (0.4) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 52.43954169 (0.1) | 52.57946454 (0.2) | 52.44 (0.1) | 52.57946454 | ||||||||
| Proper motion (declination) | [mas/yr] | -13.74746949 (0.1) | -13.81419573 (0.1) | -13.747 (0.1) | -13.81419573 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.12 (0.02) | ||||||||||||
| H magnitude | 17.11 (0.03) | ||||||||||||
| K magnitude | 17.05 (0.07) | ||||||||||||
| u magnitude | 18.24 (0.02) | 18.23 (0.02) | 18.23 (0.02) | ||||||||||
| g magnitude | 17.78 (0.005) | 17.78 (0.005) | |||||||||||
| r magnitude | 17.67 (0.006) | 17.67 (0.006) | |||||||||||
| i magnitude | 17.61 (0.007) | 17.61 (0.007) | |||||||||||
| z magnitude | 17.71 (0.02) | 17.71 (0.02) | |||||||||||
| G magnitude | 17.62 (0.01) | 17.65 | 17.62 | 17.62 (0.003) | 17.65 | ||||||||
| BP magnitude | 17.80 (0.01) | 17.78 | 17.78 | ||||||||||
| RP magnitude | 17.35 (0.009) | 17.34 | 17.34 | ||||||||||
| Pan g magnitude | 17.80 (0.005) | 17.80 (0.007) | |||||||||||
| Pan r magnitude | 17.66 (0.005) | 17.66 (0.006) | |||||||||||
| Pan i magnitude | 17.67 (0.005) | 17.67 (0.005) | |||||||||||
| Pan z magnitude | 17.75 (0.007) | 17.75 (0.006) | |||||||||||
| Pan y magnitude | 17.83 (0.02) | 17.83 (0.01) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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