SDSS J214723.73-001358.4
All names: GALEX J214723.7-001358, SDSS J214723.73-001358.3, SDSS J214723.74-001358.4, Gaia DR2 2681074029619738624, Gaia EDR3 2681074029619738624, WD 2144-004, Gaia DR3 2681074029619738624, SDSS J214723.73-001358.4, USNO-A2.0 0825-19412100
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Castanheira et al. 2010 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 47 23.77 (0.2) | 21 47 23.73 | 21 47 23.76 (0.4) | 21 47 23.73 (0.2) | 21 47 23.74 | 21 47 24.00 | 21 47 23.73 | ||||||
| Declination | -00 13 58.42 (0.2) | -00 13 58.41 | -00 13 58.42 (0.3) | -00 13 58.45 (0.2) | -00 13 58.41 | -00 13 51.96 | -00 13 58.40 | ||||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | |||||||
| Effective temperature | [K] | 10734.0 | 11990.0 | 11991.0 (285) | 11906.0 (346) | ||||||||
| log(g) | [cgs] | 7.92 | 7.92 | 7.92 (0.1) | 8.05 (0.1) | ||||||||
| Mass | [M☉] | 0.557 | 0.632 (0.07) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.4539 | |||||||||||
| 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] | 3.22 (0.3) | 3.66 (0.5) | 3.22 (0.3) | |||||||||
| Distance | [pc] | 310.46 (27) | 273.13 (34) | 310.46 (27) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 35.53436421 (0.3) | 35.64731053 (0.6) | 35.534 (0.3) | 35.8 | ||||||||
| Proper motion (declination) | [mas/yr] | 2.273197917 (0.3) | 1.311907927 (0.6) | 2.273 (0.3) | 5.4 | ||||||||
| Variability | VAR | ||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.69 | ||||||||||||
| V magnitude | 19.10 | 19.05 | |||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 19.10 (0.2) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.47 (0.03) | 19.47 (0.03) | 19.44 (0.03) | 19.44 | 19.44 (0.03) | ||||||||
| g magnitude | 19.01 (0.01) | 19.01 (0.01) | 18.98 (0.02) | 18.98 | 18.97 (0.02) | ||||||||
| r magnitude | 19.11 (0.01) | 19.11 (0.01) | 19.10 (0.02) | 19.10 | 19.09 (0.02) | ||||||||
| i magnitude | 19.28 (0.02) | 19.28 (0.02) | 19.29 (0.02) | 19.29 | 19.27 (0.02) | ||||||||
| z magnitude | 19.58 (0.07) | 19.58 (0.07) | 19.62 (0.08) | 19.62 | 19.60 (0.08) | ||||||||
| G magnitude | 19.02 (0.03) | 19.06 | 19.02 (0.004) | ||||||||||
| BP magnitude | 19.09 (0.03) | 18.99 | |||||||||||
| RP magnitude | 19.03 (0.05) | 19.05 | |||||||||||
| Pan g magnitude | 18.98 (0.007) | ||||||||||||
| Pan r magnitude | 19.12 (0.009) | ||||||||||||
| Pan i magnitude | 19.30 (0.006) | ||||||||||||
| Pan z magnitude | 19.49 (0.006) | ||||||||||||
| Pan y magnitude | 19.51 (0.06) | ||||||||||||
| E(B-V) | 0.062 | ||||||||||||
| Period #1 | [s] | 199.8 | |||||||||||
| Amplitude #1 | [mma] | 3.9 | |||||||||||
* Constant surface field
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