WD 2143+108.1
All names: SDSS J214538.60+110619.0, Gaia EDR3 1765847182089067008, SDSS J214538.60+110619.1, EQ J2145+1106 S, WD 2143+108.1, WDJ214538.58+110619.69, J2145+1106, Gaia DR3 1765847182089067008, Gaia DR2 1765847182089067008
| 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 | 21 45 38.78 (0.4) | 21 45 38.77 (0.7) | 21 45 38.78 | 21 45 38.58 (0.4) | 21 45 38.77 | 21 45 38.54 | ||||||
| Declination | 11 06 13.81 (0.3) | 11 06 13.99 (0.5) | 11 06 13.81 | 11 06 19.68 (0.3) | 11 06 13.99 | 11 06 15.84 | ||||||
| Spectral type | DC | DC | DC | DA | DC | DC12.3 | ||||||
| Effective temperature | [K] | 3964.0 (92) | 3961.0 | 3823.0 | 3982.0 (273) | |||||||
| log(g) | [cgs] | 8.04 (0.07) | 8.00 | 7.75 | 7.82 (0.1) | |||||||
| Mass | [M☉] | 0.603 (0.06) | 0.574 | 0.426 | 0.473 (0.1) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 10.0300 | 9.0830 | 6.4680 | ||||||||
| 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] | 13.88 (0.4) | 15.64 (0.8) | 15.64 (0.8) | 13.88 | 13.88 (0.4) | 15.64 (0.8) | |||||
| Distance | [pc] | 72.04 (2) | 63.94 (3) | 63.93 (3) | 72.04 | 72.04 (2) | 63.93 (3) | |||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 181.8135992 (0.5) | 179.7589741 (1) | 181.814 (0.5) | 179.7589741 | |||||||
| Proper motion (declination) | [mas/yr] | -366.7789979 (0.4) | -367.8852075 (1) | -366.779 (0.4) | -367.8852075 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | yes | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 18.43 (0.08) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 23.44 (0.9) | 23.67 (0.5) | 23.67 (0.5) | 23.45 | ||||||||
| g magnitude | 20.99 (0.03) | 20.99 (0.03) | 21.00 | |||||||||
| r magnitude | 19.91 (0.02) | 19.91 (0.02) | 19.93 | |||||||||
| i magnitude | 19.48 (0.02) | 19.48 (0.02) | 19.49 | |||||||||
| z magnitude | 19.27 (0.04) | 19.27 (0.04) | 19.38 | |||||||||
| G magnitude | 19.93 (0.1) | 20.00 | 19.93 | 19.93 (0.005) | 20.00 | |||||||
| BP magnitude | 20.68 (0.1) | 20.47 | 20.47 | |||||||||
| RP magnitude | 19.13 (0.04) | 19.17 | 19.17 | |||||||||
| Pan g magnitude | 20.87 (0.03) | 20.87 (0.04) | ||||||||||
| Pan r magnitude | 19.92 (0.02) | 19.92 (0.02) | ||||||||||
| Pan i magnitude | 19.51 (0.008) | 19.51 (0.008) | ||||||||||
| Pan z magnitude | 19.24 (0.003) | 19.24 (0.003) | ||||||||||
| Pan y magnitude | 19.33 (0.04) | 19.33 (0.04) | ||||||||||
| E(B-V) | 0.003 | |||||||||||
* Constant surface field
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