WD 1143-001B
All names: SDSS J114624.46-002822.8, WD 1143-001B, Gaia DR2 3795553515342960640, SDSS J114624.47-002822.8, PSO J114624.440+002822.599, SDSS J114624.46-002822.9, 2QZ J114624.4-002824
| Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | Harris et al. 2003 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 46 24.43 (0.6) | 11 46 24.45 | 11 46 24.46 | 11 46 24.46 | 11 46 24.46 | 11 46 24.46 | ||||
| Declination | -00 28 22.61 (0.4) | -00 28 22.75 | -00 28 22.82 | -00 28 22.82 | -00 28 22.87 | -00 28 22.87 | ||||
| Spectral type | DA4 | DA4 | DA | DA | DA | |||||
| Effective temperature | [K] | 14612.0 | 17672.0 (446) | 17697.0 (491) | 17672.0 (440) | |||||
| log(g) | [cgs] | 7.86 | 7.83 (0.1) | 7.82 (0.1) | 7.84 (0.1) | |||||
| Mass | [M☉] | 0.535 | 0.53 (0.05) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1720 | ||||||||
| 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] | 1.93 (0.6) | ||||||||
| Distance | [pc] | 519.37 (163) | ||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -24.29206126 (1) | -2.0 | -24.8 | -22.0 | |||||
| Proper motion (declination) | [mas/yr] | 13.97493398 (0.7) | 1.0 | 17.7 | 15.0 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.85 | |||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.78 | 19.92 (0.03) | 19.77 | 19.77 (0.03) | 19.77 (0.03) | 19.78 (0.03) | ||||
| g magnitude | 19.56 | 19.55 (0.01) | 19.53 | 19.55 (0.02) | 19.54 (0.02) | 19.56 (0.02) | ||||
| r magnitude | 19.90 | 19.91 (0.02) | 19.86 | 19.89 (0.03) | 19.89 (0.03) | 19.89 (0.03) | ||||
| i magnitude | 20.14 | 20.12 (0.03) | 20.09 | 20.13 (0.03) | 20.13 (0.03) | 20.14 (0.03) | ||||
| z magnitude | 20.38 | 20.35 (0.1) | 20.34 | 20.37 (0.1) | 20.38 (0.1) | 20.38 (0.1) | ||||
| G magnitude | 19.80 | |||||||||
| BP magnitude | 19.67 | |||||||||
| RP magnitude | 19.80 | |||||||||
| Pan g magnitude | 19.61 (0.01) | |||||||||
| Pan r magnitude | 19.88 (0.01) | |||||||||
| Pan i magnitude | 20.17 (0.03) | |||||||||
| Pan z magnitude | 20.39 (0.03) | |||||||||
| Pan y magnitude | 20.02 (0.2) | |||||||||
* Constant surface field
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