WD 1438-009
All names: Gaia EDR3 3649805964817442816, SDSS J144050.84-010712.8, Gaia DR2 3649805964817442816, SDSS J144050.84-010712.7, Gaia DR3 3649805964817442816, SDSS J144050.83-010712.7, 2QZ J144050.8-010713, WD 1438-009, GALEX J144050.8-010711
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Harris et al. 2003 | 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 40 50.84 (0.5) | 14 40 50.84 | 14 40 50.84 (0.6) | 14 40 50.84 (0.5) | 14 40 50.84 | 14 40 49.54 | 14 40 50.84 | 14 40 50.84 | ||||||
| Declination | -01 07 12.90 (0.5) | -01 07 12.75 | -01 07 12.90 (0.7) | -01 07 12.79 (0.5) | -01 07 12.71 | -01 07 13.08 | -01 07 12.77 | -01 07 12.76 | ||||||
| Spectral type | DA2: | DA2: | DA2 | DA | DA2.5 | DA | DA | |||||||
| Effective temperature | [K] | 18071.0 | 20217.0 (941) | 21456.0 (1023) | 20168.0 (936) | |||||||||
| log(g) | [cgs] | 8.17 | 7.24 (0.2) | 7.10 (0.2) | 7.24 (0.2) | |||||||||
| Mass | [M☉] | 0.723 | ||||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.1469 | ||||||||||||
| 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] | 1.92 (0.6) | 1.68 (0.8) | 1.92 (0.6) | ||||||||||
| Distance | [pc] | 521.02 (173) | 594.76 (288) | 521.02 (173) | ||||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.289418442 (0.7) | 0.655434781 (2) | 0.289 (0.7) | 0.9 | 2.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -7.047750171 (0.7) | -7.39475908 (3) | -7.048 (0.7) | -18.0 | -22.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.97 (0.03) | 20.01 | 19.97 (0.03) | 20.11 (0.05) | 20.01 | 20.11 (0.05) | 20.01 (0.04) | |||||||
| g magnitude | 19.85 (0.02) | 19.91 | 19.86 (0.01) | 19.96 (0.03) | 19.91 | 19.94 (0.03) | 19.91 (0.03) | |||||||
| r magnitude | 20.26 (0.03) | 20.31 | 20.26 (0.03) | 20.28 (0.03) | 20.31 | 20.28 (0.03) | 20.31 (0.03) | |||||||
| i magnitude | 20.52 (0.04) | 20.58 | 20.53 (0.04) | 20.54 (0.04) | 20.58 | 20.54 (0.04) | 20.58 (0.05) | |||||||
| z magnitude | 20.61 (0.2) | 20.56 | 20.46 (0.1) | 20.46 (0.1) | 20.56 | 20.46 (0.1) | 20.56 (0.1) | |||||||
| G magnitude | 20.09 (0.1) | 20.16 | 20.09 (0.009) | |||||||||||
| BP magnitude | 20.04 (0.1) | 20.01 | ||||||||||||
| RP magnitude | 20.14 (0.2) | 20.20 | ||||||||||||
| Pan g magnitude | 19.95 (0.01) | |||||||||||||
| Pan r magnitude | 20.30 (0.02) | |||||||||||||
| Pan i magnitude | 20.61 (0.03) | |||||||||||||
| Pan z magnitude | 20.78 (0.04) | |||||||||||||
| Pan y magnitude | 20.04 (0.2) | |||||||||||||
| E(B-V) | 0.044 | |||||||||||||
* Constant surface field
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