WD 1442+031
All names: SDSS J144520.93+025625.6, Gaia EDR3 3655702031496964736, Gaia DR2 3655702031496964736, WD 1442+031, SDSS J144520.94+025625.6, GALEX J144520.9+025627, Gaia DR3 3655702031496964736
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 45 20.93 (0.4) | 14 45 20.95 | 14 45 20.93 (0.6) | 14 45 20.94 (0.4) | 14 45 20.94 | 14 45 19.44 | 14 45 20.94 | 14 45 20.94 | |||||
| Declination | 02 56 25.72 (0.4) | 02 56 25.63 | 02 56 25.72 (0.5) | 02 56 25.68 (0.4) | 02 56 25.65 | 02 56 17.88 | 02 56 25.62 | 02 56 25.62 | |||||
| Spectral type | DA | DA | DA | DA2.0 | DA | DA | |||||||
| Effective temperature | [K] | 17807.0 | 25558.0 (1322) | 25714.0 (1325) | 25820.0 (1283) | ||||||||
| log(g) | [cgs] | 7.48 | 7.43 (0.2) | 7.40 (0.2) | 7.48 (0.2) | ||||||||
| Mass | [M☉] | 0.379 | 0.434 (0.07) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0535 | |||||||||||
| 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] | 1.26 (0.4) | 1.05 (0.6) | 1.26 (0.4) | |||||||||
| Distance | [pc] | 791.33 (280) | 948.04 (527) | 791.33 (280) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.20193791 (0.5) | -10.49838723 (1) | -13.202 (0.5) | -7.9 | -8.0 | |||||||
| Proper motion (declination) | [mas/yr] | 2.258967102 (0.5) | 2.20119152 (1) | 2.259 (0.5) | -14.1 | -14.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.84 (0.04) | 19.84 (0.04) | 19.80 (0.04) | 19.82 | 19.83 (0.05) | 19.82 (0.04) | |||||||
| g magnitude | 19.93 (0.02) | 19.93 (0.02) | 19.96 (0.03) | 19.95 | 19.97 (0.02) | 19.95 (0.03) | |||||||
| r magnitude | 20.28 (0.03) | 20.28 (0.03) | 20.25 (0.03) | 20.26 | 20.25 (0.03) | 20.26 (0.03) | |||||||
| i magnitude | 20.54 (0.06) | 20.54 (0.06) | 20.71 (0.07) | 20.71 | 20.71 (0.07) | 20.71 (0.07) | |||||||
| z magnitude | 20.77 (0.3) | 20.77 (0.3) | 20.89 (0.2) | 20.88 | 20.90 (0.2) | 20.88 (0.2) | |||||||
| G magnitude | 20.12 (0.06) | 20.17 | 20.12 (0.006) | ||||||||||
| BP magnitude | 20.11 (0.06) | 20.12 | |||||||||||
| RP magnitude | 20.24 (0.1) | 20.24 | |||||||||||
| Pan g magnitude | 19.94 (0.02) | ||||||||||||
| Pan r magnitude | 20.34 (0.02) | ||||||||||||
| Pan i magnitude | 20.60 (0.04) | ||||||||||||
| Pan z magnitude | 20.78 (0.06) | ||||||||||||
| Pan y magnitude | 20.72 (0.2) | ||||||||||||
| E(B-V) | 0.033 | ||||||||||||
* Constant surface field
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