Gaia DR2 377196947196848128
All names: Gaia DR2 377196947196848128, WDJ005659.25+434733.55, Gaia DR3 377196947196848128, USNO-B1.0 1337-00018320, SDSS J005659.30+434733.6, J0056+4347, GALEX J005659.3+434733, Gaia EDR3 377196947196848128, LSPM J0056+4347, SDSS J005659.29+434733.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 56 59.51 (0.08) | 00 56 59.50 | 00 56 59.51 | 00 56 59.25 (0.08) | 00 56 59.50 | |||||||
| Declination | 43 47 33.50 (0.06) | 43 47 33.50 | 43 47 33.50 | 43 47 33.56 (0.06) | 43 47 33.50 | |||||||
| Spectral type | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 6623.0 (38) | 6649.0 (35) | 7144.0 | 6877.0 | 6511.0 (87) | ||||||
| log(g) | [cgs] | 8.19 (0.01) | 8.21 (0.01) | 8.44 | 8.34 | 8.21 (0.02) | ||||||
| Mass | [M☉] | 0.696 (0.01) | 0.709 (0.01) | 0.875 | 0.793 | 0.708 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.8800 | 3.4020 | 3.2480 | ||||||||
| log(H/He) | -3.2 | -3.2 | ||||||||||
| 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] | 19.81 (0.1) | 19.98 (0.2) | 19.98 (0.2) | 19.81 | 19.81 (0.1) | 19.98 (0.2) | |||||
| Distance | [pc] | 50.48 (0.3) | 50.05 (0.5) | 50.06 (0.5) | 50.48 | 50.48 (0.3) | 50.06 (0.5) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 174.7883969 (0.08) | 174.8324067 (0.2) | 174.788 (0.08) | 174.8324067 | |||||||
| Proper motion (declination) | [mas/yr] | -3.457286349 (0.07) | -3.093310007 (0.2) | -3.457 (0.07) | -3.093310007 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.40 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.10 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.96 (0.02) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.24 (0.01) | 18.26 (0.01) | 18.26 (0.01) | |||||||||
| g magnitude | 17.72 (0.005) | 17.72 (0.005) | ||||||||||
| r magnitude | 17.51 (0.006) | 17.51 (0.006) | ||||||||||
| i magnitude | 17.50 (0.007) | 17.50 (0.007) | ||||||||||
| z magnitude | 17.56 (0.02) | 17.56 (0.02) | ||||||||||
| G magnitude | 17.50 (0.01) | 17.52 | 17.50 | 17.50 (0.003) | 17.52 | |||||||
| BP magnitude | 17.68 (0.01) | 17.70 | 17.70 | |||||||||
| RP magnitude | 17.18 (0.007) | 17.20 | 17.20 | |||||||||
| Pan g magnitude | 17.70 (0.005) | 17.70 (0.005) | ||||||||||
| Pan r magnitude | 17.53 (0.003) | 17.53 (0.002) | ||||||||||
| Pan i magnitude | 17.50 (0.003) | 17.50 (0.004) | ||||||||||
| Pan z magnitude | 17.59 (0.01) | 17.59 (0.01) | ||||||||||
| Pan y magnitude | 17.61 (0.008) | 17.61 (0.01) | ||||||||||
| E(B-V) | 0.002 | |||||||||||
* Constant surface field
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