WD 1439+031
All names: WD 1439+031, SDSS J144159.13+025624.6, Gaia EDR3 3655740097791977984, GALEX J144159.1+025624, Gaia DR3 3655740097791977984, SDSS J144159.13+025624.7, Gaia DR2 3655740097791977984
| 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 41 59.12 (0.4) | 14 41 59.14 | 14 41 59.12 (0.5) | 14 41 59.13 (0.4) | 14 41 59.14 | 14 41 58.49 | 14 41 59.13 | 14 41 59.13 | |||||
| Declination | 02 56 24.44 (0.5) | 02 56 24.77 | 02 56 24.45 (0.8) | 02 56 24.81 (0.5) | 02 56 24.74 | 02 56 20.40 | 02 56 24.67 | 02 56 24.68 | |||||
| Spectral type | DA | DA | DA | DA5.8 | DA | DA | |||||||
| Effective temperature | [K] | 8010.0 | 8669.0 (148) | 8403.0 (148) | 8726.0 (144) | ||||||||
| log(g) | [cgs] | 8.40 | 7.88 (0.3) | 7.54 (0.3) | 7.96 (0.3) | ||||||||
| Mass | [M☉] | 0.85 | 0.399 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.2940 | |||||||||||
| 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] | 4.37 (0.7) | 5.58 (0.9) | 4.37 (0.7) | |||||||||
| Distance | [pc] | 229.05 (34) | 179.11 (30) | 229.05 (34) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.144601093 (0.6) | -9.291863706 (1) | -9.145 (0.6) | -14.2 | -15.0 | |||||||
| Proper motion (declination) | [mas/yr] | -22.67178439 (0.7) | -22.60548551 (2) | -22.672 (0.7) | -26.4 | -25.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.28 (0.05) | 20.29 (0.07) | 20.30 (0.07) | 20.31 | 20.32 (0.07) | 20.31 (0.07) | |||||||
| g magnitude | 19.90 (0.02) | 19.86 (0.02) | 19.88 (0.02) | 19.88 | 19.89 (0.02) | 19.88 (0.02) | |||||||
| r magnitude | 19.85 (0.02) | 19.85 (0.02) | 19.87 (0.03) | 19.87 | 19.87 (0.03) | 19.87 (0.03) | |||||||
| i magnitude | 19.80 (0.03) | 19.86 (0.04) | 19.87 (0.04) | 19.86 | 19.87 (0.04) | 19.86 (0.04) | |||||||
| z magnitude | 20.12 (0.2) | 19.87 (0.1) | 19.88 (0.2) | 19.89 | 19.89 (0.1) | 19.89 (0.1) | |||||||
| G magnitude | 19.80 (0.05) | 19.84 | 19.80 (0.006) | ||||||||||
| BP magnitude | 19.81 (0.05) | 19.87 | |||||||||||
| RP magnitude | 19.70 (0.09) | 19.60 | |||||||||||
| Pan g magnitude | 19.92 (0.009) | ||||||||||||
| Pan r magnitude | 19.86 (0.009) | ||||||||||||
| Pan i magnitude | 19.91 (0.02) | ||||||||||||
| Pan z magnitude | 19.99 (0.03) | ||||||||||||
| Pan y magnitude | 19.98 (0.1) | ||||||||||||
| E(B-V) | 0.030 | ||||||||||||
* Constant surface field
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