WD 1424+098
All names: USNO-B1.0 0996-00248836, WDJ142659.40+093700.93, SDSS J142659.35+093700.8, Gaia DR3 1176378520034381952, LSPM J1426+0937, Gaia DR2 1176378520034381952, SDSS J142659.36+093700.8, SDSS J142659.35+093700.9, Gaia EDR3 1176378520034381952, WD 1424+098, J1426+0937
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 26 59.20 (0.2) | 14 26 59.35 | 14 26 59.20 (0.3) | 14 26 59.20 | 14 26 59.40 (0.2) | 14 26 59.20 | 14 26 58.97 | ||||||||
| Declination | 09 37 00.77 (0.2) | 09 37 00.89 | 09 37 00.77 (0.3) | 09 37 00.77 | 09 37 00.93 (0.2) | 09 37 00.77 | 09 36 57.60 | ||||||||
| Spectral type | DC | DC | DC | DC | DA | DC | DC9.7 | DZ: | |||||||
| Effective temperature | [K] | 4770.0 (31) | 4731.0 (29) | 5208.0 | 4902.0 | 5488.0 (119) | |||||||||
| log(g) | [cgs] | 7.59 (0.03) | 7.47 (0.05) | 7.82 | 7.60 | 8.09 (0.06) | |||||||||
| Mass | [M☉] | 0.351 (0.02) | 0.305 (0.03) | 0.48 | 0.358 | 0.641 (0.05) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 2.7200 | 2.8330 | 2.7350 | |||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | |||||||||||||||
| log(N/He) | |||||||||||||||
| log(O/He) | |||||||||||||||
| log(Na/He) | |||||||||||||||
| log(Mg/He) | |||||||||||||||
| log(Al/He) | |||||||||||||||
| log(Si/He) | |||||||||||||||
| log(P/He) | |||||||||||||||
| log(S/He) | |||||||||||||||
| log(Cl/He) | |||||||||||||||
| log(Sc/He) | |||||||||||||||
| log(Ti/He) | |||||||||||||||
| log(V/He) | |||||||||||||||
| log(Cr/He) | |||||||||||||||
| log(Mn/He) | |||||||||||||||
| log(Fe/He) | |||||||||||||||
| log(Co/He) | |||||||||||||||
| log(Ni/He) | |||||||||||||||
| log(Cu/He) | |||||||||||||||
| log(Zn/He) | |||||||||||||||
| log(Ga/He) | |||||||||||||||
| log(Ge/He) | |||||||||||||||
| log(Sr/He) | |||||||||||||||
| Parallax | [mas] | 14.03 (0.3) | 13.47 (0.4) | 13.47 (0.4) | 14.03 | 14.03 (0.3) | 13.47 (0.4) | ||||||||
| Distance | [pc] | 71.27 (1) | 74.24 (2) | 74.24 (2) | 71.27 | 71.27 (1) | 74.24 (2) | ||||||||
| Composition | He | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -186.2503665 (0.3) | -187.0588387 (0.6) | -186.25 (0.3) | -187.0588387 | ||||||||||
| Proper motion (declination) | [mas/yr] | -9.949599778 (0.2) | -10.39593628 (0.5) | -9.95 (0.2) | -10.39593628 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 19.30 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 18.60 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.62 (0.04) | 17.62 (0.04) | |||||||||||||
| H magnitude | 17.36 (0.04) | 17.36 (0.04) | |||||||||||||
| K magnitude | 17.17 (0.05) | 17.17 (0.05) | |||||||||||||
| u magnitude | 20.82 (0.08) | 20.86 (0.07) | 20.82 (0.08) | 20.71 (0.06) | 20.63 | ||||||||||
| g magnitude | 19.35 (0.01) | 19.34 (0.01) | 19.36 (0.01) | 19.35 | |||||||||||
| r magnitude | 18.78 (0.01) | 18.79 (0.01) | 18.76 (0.01) | 18.78 | |||||||||||
| i magnitude | 18.55 (0.01) | 18.55 (0.01) | 18.54 (0.01) | 18.58 | |||||||||||
| z magnitude | 18.43 (0.03) | 18.43 (0.03) | 18.47 (0.03) | 18.52 | |||||||||||
| G magnitude | 18.80 (0.04) | 18.82 | 18.80 | 18.80 (0.004) | 18.82 | ||||||||||
| BP magnitude | 19.25 (0.04) | 19.26 | 19.26 | ||||||||||||
| RP magnitude | 18.29 (0.04) | 18.24 | 18.24 | ||||||||||||
| Pan g magnitude | 19.29 (0.008) | 19.29 (0.008) | |||||||||||||
| Pan r magnitude | 18.76 (0.008) | 18.76 (0.008) | |||||||||||||
| Pan i magnitude | 18.55 (0.007) | 18.55 (0.006) | |||||||||||||
| Pan z magnitude | 18.48 (0.008) | 18.48 (0.01) | |||||||||||||
| Pan y magnitude | 18.42 (0.01) | 18.42 (0.01) | |||||||||||||
| E(B-V) | 0.005 | ||||||||||||||
* Constant surface field
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