WD 2143+108
All names: WD 2143+108, Gaia DR2 1765847186383576832, EQ J2145+1106 N, SDSS J214538.16+110626.5, Gaia EDR3 1765847186383576832, SDSS J214538.16+110626.6, Gaia DR3 1765847186383576832, J2145+1106
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 45 38.34 (0.5) | 21 45 38.34 (1) | 21 45 38.15 (0.5) | 21 45 37.54 | ||||||
| Declination | 11 06 21.36 (0.5) | 11 06 21.55 (0.9) | 11 06 27.20 (0.5) | 11 06 21.96 | ||||||
| Spectral type | DC | DC | DC | DC | DC13.5 | |||||
| Effective temperature | [K] | 3566.0 (151) | 3524.0 | 3466.0 | ||||||
| log(g) | [cgs] | 7.97 (0.1) | 7.95 | 7.60 | ||||||
| Mass | [M☉] | 0.56 (0.1) | 0.544 | 0.356 | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 10.1600 | 9.8080 | 6.2960 | ||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 14.92 (0.6) | 15.28 (1) | 15.28 (1) | 14.92 (0.6) | |||||
| Distance | [pc] | 67.04 (3) | 65.45 (6) | 65.46 (6) | 67.04 (3) | |||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 180.0899172 (0.7) | 179.1670987 (2) | 180.09 (0.7) | ||||||
| Proper motion (declination) | [mas/yr] | -364.7887131 (0.6) | -366.5611908 (2) | -364.789 (0.6) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | yes | |||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 18.86 (0.1) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 23.84 (0.8) | 23.91 (1) | 23.74 | |||||||
| g magnitude | 21.43 (0.05) | 21.45 | ||||||||
| r magnitude | 20.25 (0.03) | 20.27 | ||||||||
| i magnitude | 19.72 (0.02) | 19.75 | ||||||||
| z magnitude | 19.64 (0.08) | 19.68 | ||||||||
| G magnitude | 20.27 (0.1) | 20.37 | 20.27 (0.007) | |||||||
| BP magnitude | 20.84 (0.1) | 20.79 | ||||||||
| RP magnitude | 19.44 (0.05) | 19.44 | ||||||||
| Pan g magnitude | 21.40 (0.04) | 21.40 (0.04) | ||||||||
| Pan r magnitude | 20.21 (0.07) | 20.21 (0.07) | ||||||||
| Pan i magnitude | 19.77 (0.01) | 19.77 (0.01) | ||||||||
| Pan z magnitude | 19.54 (0.03) | 19.54 (0.03) | ||||||||
| Pan y magnitude | 19.45 (0.06) | 19.45 (0.06) | ||||||||
| E(B-V) | 0.003 | |||||||||
* Constant surface field
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