WD 0944+452.1
All names: SDSS J094724.45+450001.8, Gaia DR2 820969357814799872, WD 0944+452.1, SDSS J094724.47+450001.9, 0944+452A, WD 0944+452A, WDJ094724.45+450001.85, SDSS J094724.46+450001.9, Gaia DR3 820969357814799872, J0947+4500, Gaia EDR3 820969357814799872, USNO-B1.0 1350-00214567
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Leggett et al. 2018 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 47 24.56 (0.1) | 09 47 24.55 (0.2) | 09 47 24.56 | 09 47 24.45 (0.1) | 09 47 24.55 | 09 47 23.81 | ||||||||
| Declination | 45 00 02.53 (0.09) | 45 00 02.51 (0.2) | 45 00 02.53 | 45 00 01.85 (0.09) | 45 00 02.51 | 44 59 58.92 | ||||||||
| Spectral type | DA | DA | DA | DA10.3 | DA | DA: | DA | DA9.9 | ||||||
| Effective temperature | [K] | 4862.0 (56) | 4912.0 (56) | 4861.0 (56) | 4877.0 (83) | 4841.0 | 5024.0 (60) | |||||||
| log(g) | [cgs] | 8.09 (0.03) | 8.12 (0.03) | 8.08 (0.03) | 8.14 (0.04) | 8.07 | 8.19 (0.03) | |||||||
| Mass | [M☉] | 0.633 (0.02) | 0.653 (0.03) | 0.63 (0.03) | 0.667 (0.04) | 0.622 | 0.7 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 7.8400 | 7.5860 (0.4) | 7.0970 | ||||||||||
| 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] | 18.15 (0.2) | 18.09 (0.3) | 18.54 (0.4) | 18.09 (0.3) | 18.15 | 18.15 (0.2) | 18.09 (0.3) | ||||||
| Distance | [pc] | 55.11 (0.6) | 55.28 (0.9) | 53.94 (1) | 55.28 (0.9) | 55.11 | 55.11 (0.6) | 55.28 (0.9) | ||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 71.5555393 (0.2) | 70.81610818 (0.4) | 71.556 (0.2) | 70.81610818 | |||||||||
| Proper motion (declination) | [mas/yr] | 42.09483691 (0.1) | 42.44429963 (0.4) | 42.095 (0.1) | 42.44429963 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | yes | |||||||||||||
| B magnitude | 19.70 | |||||||||||||
| V magnitude | 19.09 (0.02) | |||||||||||||
| R magnitude | 18.90 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 17.43 (0.04) | 17.43 (0.04) | ||||||||||||
| H magnitude | 17.24 (0.04) | 17.24 (0.04) | ||||||||||||
| K magnitude | 17.11 (0.04) | 17.11 (0.04) | ||||||||||||
| u magnitude | 21.04 (0.09) | 21.23 (0.09) | 21.23 (0.09) | 21.27 | ||||||||||
| g magnitude | 19.54 (0.01) | 19.54 (0.01) | 19.52 | |||||||||||
| r magnitude | 18.77 (0.01) | 18.77 (0.01) | 18.77 | |||||||||||
| i magnitude | 18.49 (0.01) | 18.49 (0.01) | 18.53 | |||||||||||
| z magnitude | 18.32 (0.03) | 18.32 (0.03) | 18.32 | |||||||||||
| G magnitude | 18.81 (0.02) | 18.84 | 18.81 | 18.81 (0.003) | 18.84 | |||||||||
| BP magnitude | 19.33 (0.02) | 19.39 | 19.39 | |||||||||||
| RP magnitude | 18.19 (0.02) | 18.17 | 18.17 | |||||||||||
| Pan g magnitude | 19.48 (0.03) | 19.48 (0.03) | ||||||||||||
| Pan r magnitude | 18.76 (0.008) | 18.77 (0.009) | ||||||||||||
| Pan i magnitude | 18.52 (0.004) | 18.52 (0.004) | ||||||||||||
| Pan z magnitude | 18.45 (0.02) | 18.45 (0.02) | ||||||||||||
| Pan y magnitude | 18.34 (0.02) | 18.34 (0.02) | ||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* Constant surface field
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