WD 1440+596
All names: Gaia EDR3 1617246639406396288, SDSS J144135.22+592849.5, SDSS J144135.20+592849.1, SDSS J144135.21+592849.1, GALEX J144135.1+592848, WD 1440+596, SDSS J144135.20+592849.2, Gaia DR2 1617246639406396288, Gaia DR3 1617246639406396288
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 35.23 (0.2) | 14 41 35.21 | 14 41 35.23 (0.2) | 14 41 35.21 (0.2) | 14 41 35.21 | 14 41 34.27 | 14 41 35.20 | 14 41 35.20 | ||||||
| Declination | 59 28 49.58 (0.2) | 59 28 49.17 | 59 28 49.56 (0.2) | 59 28 49.16 (0.2) | 59 28 49.18 | 59 28 45.12 | 59 28 49.17 | 59 28 49.15 | ||||||
| Spectral type | DA | DA | DA | DA | DA3.2 | DA | DA | |||||||
| Effective temperature | [K] | 14216.0 | 17100.0 (510) | 15594.0 (280) | 16242.0 (288) | 15701.0 (274) | ||||||||
| log(g) | [cgs] | 8.08 | 8.04 (0.09) | 7.98 (0.07) | 8.00 (0.07) | 7.99 (0.07) | ||||||||
| Mass | [M☉] | 0.658 | 0.64 (0.06) | 0.614 (0.04) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.2617 | 0.1549 | |||||||||||
| 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] | 2.61 (0.2) | 2.92 (0.3) | 2.61 (0.2) | ||||||||||
| Distance | [pc] | 383.61 (32) | 342.63 (30) | 383.61 (32) | ||||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.008671797 (0.2) | 7.397452384 (0.5) | 7.009 (0.2) | 10.2 | 9.0 | ||||||||
| Proper motion (declination) | [mas/yr] | 26.37194145 (0.3) | 25.96673043 (0.5) | 26.372 (0.3) | 26.0 | 26.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.34 (0.02) | 19.34 (0.03) | 19.31 (0.03) | 19.31 | 19.35 (0.03) | 19.31 (0.03) | ||||||||
| g magnitude | 19.07 (0.01) | 19.07 (0.01) | 19.05 (0.02) | 19.02 | 19.07 (0.02) | 19.02 (0.02) | ||||||||
| r magnitude | 19.34 (0.01) | 19.34 (0.01) | 19.34 (0.02) | 19.35 | 19.35 (0.02) | 19.35 (0.02) | ||||||||
| i magnitude | 19.59 (0.03) | 19.59 (0.03) | 19.59 (0.03) | 19.61 | 19.61 (0.03) | 19.61 (0.03) | ||||||||
| z magnitude | 19.92 (0.1) | 19.92 (0.1) | 19.85 (0.1) | 19.84 | 19.86 (0.1) | 19.84 (0.1) | ||||||||
| G magnitude | 19.20 (0.03) | 19.25 | 19.20 (0.004) | |||||||||||
| BP magnitude | 19.23 (0.03) | 19.20 | ||||||||||||
| RP magnitude | 19.30 (0.06) | 19.34 | ||||||||||||
| Pan g magnitude | 19.08 (0.006) | |||||||||||||
| Pan r magnitude | 19.35 (0.01) | |||||||||||||
| Pan i magnitude | 19.59 (0.009) | |||||||||||||
| Pan z magnitude | 19.80 (0.04) | |||||||||||||
| Pan y magnitude | 20.07 (0.1) | |||||||||||||
| E(B-V) | 0.019 | |||||||||||||
* Constant surface field
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