WD 2341+471
All names: LP 191-8, SDSS J234350.75+472548.1, Gaia EDR3 1939308236730745472, WDJ234350.65+472548.22, SDSS J234350.76+472548.2, J2343+4725, LSPM J2343+4725N, USNO-B1.0 1374-00612313, Gaia DR3 1939308236730745472, NLTT 57796, Gaia DR2 1939308236730745472, WD 2341+471
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 43 51.12 (0.06) | 23 43 51.11 (0.09) | 23 43 51.12 | 23 43 50.65 (0.06) | 23 43 51.11 | 23 43 49.27 | ||||||
| Declination | 47 25 47.93 (0.07) | 47 25 47.94 (0.08) | 47 25 47.93 | 47 25 48.22 (0.07) | 47 25 47.94 | 47 25 39.00 | ||||||
| Spectral type | DC | DC | DC | DA | DC | DC | ||||||
| Effective temperature | [K] | 5287.0 (31) | 5521.0 | 5248.0 | 5740.0 (45) | |||||||
| log(g) | [cgs] | 7.82 (0.02) | 7.63 | 7.42 | 8.12 (0.02) | |||||||
| Mass | [M☉] | 0.468 (0.01) | 0.388 | 0.286 | 0.659 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 3.4100 | 1.6860 | 1.9220 | ||||||||
| log(H/He) | ||||||||||||
| 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] | 19.30 (0.1) | 19.19 (0.1) | 19.19 (0.1) | 19.30 | 19.30 (0.1) | 19.19 (0.1) | |||||
| Distance | [pc] | 51.81 (0.3) | 52.11 (0.4) | 52.12 (0.4) | 51.81 | 51.81 (0.3) | 52.12 (0.4) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 304.0594829 (0.09) | 303.7822121 (0.2) | 304.059 (0.09) | 303.7822121 | |||||||
| Proper motion (declination) | [mas/yr] | -18.19351493 (0.08) | -18.11153085 (0.2) | -18.194 (0.08) | -18.11153085 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | yes | |||||||||||
| B magnitude | 17.90 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 17.30 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.91 (0.02) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.46 (0.03) | 19.75 (0.04) | 19.57 (0.03) | |||||||||
| g magnitude | 18.67 (0.008) | 18.43 (0.008) | ||||||||||
| r magnitude | 18.12 (0.008) | 17.95 (0.007) | ||||||||||
| i magnitude | 17.95 (0.008) | 17.85 (0.008) | ||||||||||
| z magnitude | 17.74 (0.02) | 17.70 (0.02) | ||||||||||
| G magnitude | 17.95 (0.01) | 17.97 | 17.95 | 17.95 (0.003) | 17.97 | |||||||
| BP magnitude | 18.31 (0.01) | 18.30 | 18.30 | |||||||||
| RP magnitude | 17.46 (0.01) | 17.42 | 17.42 | |||||||||
| Pan g magnitude | 18.34 (0.008) | 18.34 (0.008) | ||||||||||
| Pan r magnitude | 17.93 (0.004) | 17.93 (0.004) | ||||||||||
| Pan i magnitude | 17.77 (0.003) | 17.77 (0.003) | ||||||||||
| Pan z magnitude | 17.74 (0.01) | 17.74 (0.01) | ||||||||||
| Pan y magnitude | 17.67 (0.03) | 17.67 (0.03) | ||||||||||
| E(B-V) | 0.004 | |||||||||||
* Constant surface field
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