LSPM J1421+4226
All names: J1421+4226, SDSS J142147.23+422622.5, GALEX J142147.2+422621, SDSS J142147.22+422622.5, WD 1419+426, WDJ142147.20+422622.90, WIRED J142147.23+422622.5, USNO-B1.0 1324-00304127, PB 2202, Gaia DR2 1492278518615941504, Gaia DR3 1492278518615941504, Gaia EDR3 1492278518615941504, SDSS J142147.34+422621.4, LSPM J1421+4226
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 21 47.38 (0.04) | 14 21 47.23 | 14 21 47.37 (0.06) | 14 21 47.38 | 14 21 47.20 (0.04) | 14 21 47.37 | 14 21 47.23 | 14 21 47.42 | 14 21 47.23 | |||||||||
| Declination | 42 26 21.10 (0.05) | 42 26 22.55 | 42 26 21.15 (0.05) | 42 26 21.10 | 42 26 22.89 (0.05) | 42 26 21.15 | 42 26 22.54 | 42 26 21.12 | 42 26 22.52 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 9116.0 (127) | 9305.0 (95) | 9116.0 (126) | 9052.0 | 9140.0 (60) | 8808.0 (104) | 9347.0 (31) | 9097.0 (39) | |||||||||
| log(g) | [cgs] | 8.89 (0.02) | 8.92 (0.01) | 8.89 (0.02) | 8.88 | 9.13 (0.07) | 8.84 (0.02) | 9.00 (0.003) | 9.03 (0.06) | |||||||||
| Mass | [M☉] | 1.147 (0.009) | 1.161 (0.007) | 1.147 (0.01) | 1.143 | 1.25 (0.02) | 1.118 (0.01) | 1.177 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||
| Cooling age | [Gyr] | 3.0600 | 2.8530 | 2.6915 | ||||||||||||||
| 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] | 21.81 (0.06) | 21.83 (0.08) | 21.83 (0.08) | 21.81 | 21.81 (0.06) | 21.83 (0.08) | |||||||||||
| Distance | [pc] | 45.85 (0.1) | 45.81 (0.2) | 45.82 (0.2) | 45.85 | 45.85 (0.1) | 45.82 (0.2) | |||||||||||
| Composition | H | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 126.7918792 (0.05) | 126.5764827 (0.1) | 126.792 (0.05) | 126.576 | 133.2 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -112.3336278 (0.06) | -112.5717508 (0.1) | -112.334 (0.06) | -112.572 | -118.2 | ||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 17.10 | |||||||||||||||||
| V magnitude | ||||||||||||||||||
| R magnitude | 17.10 | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 17.13 (0.03) | |||||||||||||||||
| H magnitude | ||||||||||||||||||
| K magnitude | ||||||||||||||||||
| u magnitude | 17.67 (0.01) | 17.66 (0.01) | 17.67 (0.01) | 17.67 (0.01) | 17.67 (0.02) | 17.67 | 17.70 (0.02) | |||||||||||
| g magnitude | 17.35 (0.005) | 17.35 (0.005) | 17.35 (0.005) | 17.36 (0.01) | 17.35 | 17.35 (0.01) | ||||||||||||
| r magnitude | 17.40 (0.005) | 17.40 (0.005) | 17.40 (0.005) | 17.41 (0.02) | 17.40 | 17.41 (0.02) | ||||||||||||
| i magnitude | 17.48 (0.006) | 17.48 (0.006) | 17.48 (0.006) | 17.50 (0.02) | 17.49 | 17.48 (0.02) | ||||||||||||
| z magnitude | 17.62 (0.02) | 17.61 (0.01) | 17.61 (0.01) | 17.62 (0.02) | 17.61 | 17.61 (0.02) | ||||||||||||
| G magnitude | 17.33 (0.006) | 17.35 | 17.33 | 17.33 (0.003) | 17.35 | |||||||||||||
| BP magnitude | 17.42 (0.006) | 17.40 | 17.40 | |||||||||||||||
| RP magnitude | 17.15 (0.008) | 17.16 | 17.16 | |||||||||||||||
| Pan g magnitude | 17.40 (0.01) | 17.40 (0.01) | ||||||||||||||||
| Pan r magnitude | 17.39 (0.01) | 17.39 (0.01) | ||||||||||||||||
| Pan i magnitude | 17.49 (0.004) | 17.49 (0.005) | ||||||||||||||||
| Pan z magnitude | 17.61 (0.005) | 17.61 (0.005) | ||||||||||||||||
| Pan y magnitude | 17.72 (0.02) | 17.72 (0.02) | ||||||||||||||||
| E(B-V) | 0.004 | |||||||||||||||||
* Constant surface field
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