WD 2144+112
All names: Gaia DR2 1765881576187554432, SDSS J214725.16+112756.1, WD 2144+112, PM J21474+1127, Gaia DR3 1765881576187554432, J2147+1127, USNO-B1.0 1014-00631650, LSPM J2147+1127, 21474+1127, SDSS J214725.17+112756.1, WDJ214725.16+112756.29, Gaia EDR3 1765881576187554432
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 47 25.27 (0.2) | 21 47 25.27 (0.3) | 21 47 25.27 | 21 47 25.16 (0.2) | 21 47 25.27 | 21 47 25.39 | |||||||
| Declination | 11 27 52.24 (0.1) | 11 27 52.37 (0.3) | 11 27 52.24 | 11 27 56.28 (0.1) | 11 27 52.37 | 11 27 56.16 | |||||||
| Spectral type | DA: | DA: | DA | DA | DC | DA | DA10.6 | ||||||
| Effective temperature | [K] | 4927.0 (19) | 4901.0 (18) | 4901.0 | 4870.0 (130) | 4930.0 (64) | |||||||
| log(g) | [cgs] | 7.95 (0.02) | 7.92 (0.02) | 7.92 | 8.00 (0.2) | 7.90 (0.04) | |||||||
| Mass | [M☉] | 0.55 (0.02) | 0.534 (0.02) | 0.534 | 0.58 (0.1) | 0.518 (0.03) | |||||||
| log(Luminosity) | [L☉] | -4.10 | |||||||||||
| Cooling age | [Gyr] | 5.7400 | 5.2650 | ||||||||||
| 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] | 18.62 (0.2) | 18.99 (0.3) | 18.99 (0.3) | 18.62 | 18.62 (0.2) | 18.99 (0.3) | ||||||
| Distance | [pc] | 53.72 (0.6) | 52.66 (0.9) | 52.66 (0.9) | 49.10 (6) | 53.72 | 53.72 (0.6) | 52.66 (0.9) | |||||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 104.2889556 (0.2) | 104.5486116 (0.5) | 103.0 | 104.289 (0.2) | 104.5486116 | |||||||
| Proper motion (declination) | [mas/yr] | -252.4353152 (0.2) | -253.012025 (0.4) | -252.0 | -252.435 (0.2) | -253.012025 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 19.50 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.60 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.14 (0.04) | 17.14 (0.04) | |||||||||||
| H magnitude | 16.84 (0.04) | 16.84 (0.04) | |||||||||||
| K magnitude | 16.79 (0.04) | 16.79 (0.04) | |||||||||||
| u magnitude | 20.85 (0.08) | 20.86 | 20.84 (0.08) | 20.84 (0.08) | 20.83 | ||||||||
| g magnitude | 19.18 | 19.18 (0.01) | 19.18 (0.01) | 19.19 | |||||||||
| r magnitude | 18.42 | 18.41 (0.009) | 18.41 (0.009) | 18.43 | |||||||||
| i magnitude | 18.14 | 18.12 (0.009) | 18.12 (0.009) | 18.13 | |||||||||
| z magnitude | 18.01 | 17.98 (0.02) | 17.98 (0.02) | 18.01 | |||||||||
| G magnitude | 18.47 (0.02) | 18.49 | 18.47 | 18.47 (0.003) | 18.49 | ||||||||
| BP magnitude | 18.96 (0.02) | 19.06 | 19.06 | ||||||||||
| RP magnitude | 17.80 (0.02) | 17.85 | 17.85 | ||||||||||
| Pan g magnitude | 19.09 (0.006) | 19.09 (0.005) | |||||||||||
| Pan r magnitude | 18.43 (0.007) | 18.43 (0.007) | |||||||||||
| Pan i magnitude | 18.16 (0.004) | 18.16 (0.005) | |||||||||||
| Pan z magnitude | 18.06 (0.009) | 18.06 (0.008) | |||||||||||
| Pan y magnitude | 18.05 (0.02) | 18.05 (0.02) | |||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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