WD 0942+021
All names: 2MASS J09453434+0154391, WDJ094534.35+015439.61, SDSS J094534.36+015439.6, WIRED J094534.35+015439.6, Gaia EDR3 3846557660732848384, SDSS J094534.36+015439.7, Gaia DR2 3846557660732848384, TIC 455272118, SDSS J094534.35+015439.5, PSO J146.3934+01.9107, J0945+0154, SDSS J094534.36+015439.5, GALEX J094534.3+015439, WD 0942+021, SDSS J094534.35+015439.6, Gaia DR3 3846557660732848384
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | 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 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 45 34.44 (0.08) | 09 45 34.36 | 09 45 34.44 (0.1) | 09 45 34.44 | 09 45 34.35 (0.08) | 09 45 34.44 | 09 45 34.36 | 09 45 34.06 | 09 45 34.36 | 09 45 34.36 | ||||||||||
| Declination | 01 54 38.79 (0.06) | 01 54 39.54 | 01 54 38.81 (0.09) | 01 54 38.79 | 01 54 39.61 (0.06) | 01 54 38.81 | 01 54 39.54 | 01 54 32.40 | 01 54 39.66 | 01 54 39.67 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA7 | DA | DA | DA6.5 | DA | DA | |||||||
| Effective temperature | [K] | 6925.0 (28) | 6969.0 (25) | 6925.0 (28) | 6905.0 (60) | 6937.0 | 6940.0 (70) | 6874.0 (53) | 7711.0 (28) | 6858.0 (33) | 7698.0 (28) | |||||||||
| log(g) | [cgs] | 8.05 (0.008) | 8.09 (0.01) | 8.07 (0.01) | 8.07 (0.02) | 8.07 | 7.60 (0.1) | 8.04 (0.01) | 8.99 (0.01) | 7.96 (0.06) | 9.00 (0.01) | |||||||||
| Mass | [M☉] | 0.623 (0.008) | 0.647 (0.009) | 0.632 (0.01) | 0.632 (0.01) | 0.634 | 0.4 (0.05) | 0.614 (0.01) | 0.571 (0.03) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||||
| Cooling age | [Gyr] | 1.8200 | 1.7370 (0.08) | 1.7220 | 1.9498 | |||||||||||||||
| 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] | 18.37 (0.09) | 18.53 (0.1) | 18.53 (0.1) | 18.53 (0.1) | 18.37 | 18.37 (0.09) | 18.53 (0.1) | ||||||||||||
| Distance | [pc] | 54.45 (0.3) | 53.97 (0.4) | 53.97 (0.4) | 53.97 (0.4) | 54.45 | 54.45 (0.3) | 53.97 (0.4) | ||||||||||||
| Composition | H | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 84.18806031 (0.1) | 84.41054523 (0.2) | 84.188 (0.1) | 84.411 | 87.5 | 87.0 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -51.4438985 (0.07) | -51.58812154 (0.2) | -51.444 (0.07) | -51.588 | -55.4 | -55.0 | |||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | ||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | ||||||||||||||||||||
| V magnitude | ||||||||||||||||||||
| R magnitude | ||||||||||||||||||||
| I magnitude | ||||||||||||||||||||
| J magnitude | 16.57 (0.01) | 16.56 (0.1) | 16.56 (0.01) | |||||||||||||||||
| H magnitude | 16.36 (0.03) | 16.12 (0.2) | 16.36 (0.03) | |||||||||||||||||
| K magnitude | 16.39 (0.04) | 16.39 (0.04) | ||||||||||||||||||
| u magnitude | 18.02 (0.01) | 18.02 (0.01) | 18.02 (0.01) | 17.96 (0.01) | 18.01 (0.03) | 17.98 | 18.02 (0.03) | 17.98 (0.03) | ||||||||||||
| g magnitude | 17.45 (0.005) | 17.41 (0.004) | 17.45 (0.006) | 17.45 (0.01) | 17.44 | 17.45 (0.01) | 17.44 (0.01) | |||||||||||||
| r magnitude | 17.24 (0.005) | 17.24 (0.005) | 17.24 (0.006) | 17.21 (0.01) | 17.22 | 17.22 (0.01) | 17.22 (0.02) | |||||||||||||
| i magnitude | 17.20 (0.006) | 17.22 (0.004) | 17.23 (0.007) | 17.17 (0.01) | 17.17 | 17.19 (0.01) | 17.17 (0.01) | |||||||||||||
| z magnitude | 17.24 (0.01) | 17.24 (0.006) | 17.21 (0.01) | 17.22 (0.02) | 17.23 | 17.23 (0.02) | 17.23 (0.02) | |||||||||||||
| G magnitude | 17.22 (0.007) | 17.24 | 17.22 | 17.22 (0.003) | 17.24 | |||||||||||||||
| BP magnitude | 17.43 (0.007) | 17.43 | 17.43 | |||||||||||||||||
| RP magnitude | 16.89 (0.007) | 16.90 | 16.90 | |||||||||||||||||
| Pan g magnitude | 17.41 (0.005) | 17.41 (0.004) | 17.41 (0.004) | |||||||||||||||||
| Pan r magnitude | 17.24 (0.005) | 17.24 (0.005) | 17.24 (0.005) | |||||||||||||||||
| Pan i magnitude | 17.22 (0.004) | 17.22 (0.004) | 17.21 (0.004) | |||||||||||||||||
| Pan z magnitude | 17.24 (0.006) | 17.24 (0.006) | 17.24 (0.006) | |||||||||||||||||
| Pan y magnitude | 17.28 (0.005) | 17.28 (0.005) | 17.28 (0.005) | |||||||||||||||||
| E(B-V) | 0.001 | |||||||||||||||||||
* Constant surface field
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