WD 1439+044
All names: Gaia EDR3 1158636491170378880, SDSS J144200.46+041224.7, GALEX J144200.4+041224, SDSS J144200.47+041224.7, Gaia DR3 1158636491170378880, Gaia DR2 1158636491170378880, WD 1439+044, SDSS J144200.47+041224.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | 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 42 00.46 (0.2) | 14 42 00.47 | 14 42 00.46 (0.2) | 14 42 00.46 | 14 42 00.47 (0.2) | 14 42 00.47 | 14 41 59.52 | 14 42 00.47 | 14 42 00.47 | ||||||
| Declination | 04 12 24.49 (0.2) | 04 12 24.71 | 04 12 24.50 (0.2) | 04 12 24.49 | 04 12 24.73 (0.2) | 04 12 24.70 | 04 12 20.52 | 04 12 24.72 | 04 12 24.73 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA2.9 | DA | DA | |||||||
| Effective temperature | [K] | 15646.0 | 18480.0 (410) | 17568.0 (1440) | 17579.0 (239) | 17968.0 (269) | 17629.0 (240) | ||||||||
| log(g) | [cgs] | 7.93 | 7.98 (0.07) | 8.03 (0.1) | 7.93 (0.05) | 7.96 (0.05) | 7.94 (0.05) | ||||||||
| Mass | [M☉] | 0.575 | 0.61 (0.04) | 0.633 (0.09) | 0.598 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.1535 | 0.1000 | ||||||||||||
| 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] | 2.84 (0.2) | 2.81 (0.3) | 2.84 | 2.84 (0.2) | ||||||||||
| Distance | [pc] | 351.91 (26) | 355.31 (32) | 351.91 | 351.91 (26) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.926991229 (0.2) | -7.050512892 (0.5) | -7.927 (0.2) | -0.7 | -1.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -14.43994337 (0.2) | -14.39587528 (0.4) | -14.44 (0.2) | -16.7 | -17.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 19.40 (0.2) | ||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.97 (0.02) | 18.97 (0.02) | 18.99 (0.03) | 19.00 | 19.00 (0.03) | 19.00 (0.03) | |||||||||
| g magnitude | 18.70 (0.008) | 18.70 (0.008) | 18.71 (0.02) | 18.72 | 18.72 (0.02) | 18.72 (0.02) | |||||||||
| r magnitude | 19.05 (0.01) | 19.05 (0.01) | 19.05 (0.02) | 19.06 | 19.05 (0.02) | 19.06 (0.02) | |||||||||
| i magnitude | 19.32 (0.02) | 19.32 (0.02) | 19.33 (0.02) | 19.33 | 19.33 (0.02) | 19.33 (0.02) | |||||||||
| z magnitude | 19.50 (0.09) | 19.50 (0.1) | 19.50 (0.1) | 19.51 | 19.51 (0.1) | 19.51 (0.1) | |||||||||
| G magnitude | 18.88 (0.02) | 18.92 | 18.88 | 18.88 (0.004) | |||||||||||
| BP magnitude | 18.85 (0.02) | 18.80 | |||||||||||||
| RP magnitude | 19.02 (0.03) | 19.06 | |||||||||||||
| Pan g magnitude | 18.74 (0.004) | ||||||||||||||
| Pan r magnitude | 19.06 (0.009) | ||||||||||||||
| Pan i magnitude | 19.31 (0.01) | ||||||||||||||
| Pan z magnitude | 19.56 (0.02) | ||||||||||||||
| Pan y magnitude | 19.74 (0.09) | ||||||||||||||
| E(B-V) | 0.030 | ||||||||||||||
* Constant surface field
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