WD 1946-273
All names: 2MASS J19491977-2712254, Gaia DR3 6754497811462316416, NLTT 48270, Gaia EDR3 6754497811462316416, WDJ194919.78-271225.74, Gaia DR2 6754497811462316416, TIC 97671864, LP 925-53, WD 1946-273
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 49 19.84 (0.03) | 19 49 19.84 (0.05) | 19 49 19.78 | 19 49 19.84 | 19 49 19.78 (0.03) | 19 49 19.84 | 19 49 19.49 | ||||
| Declination | -27 12 28.38 (0.02) | -27 12 28.29 (0.03) | -27 12 25.70 | -27 12 28.38 | -27 12 25.74 (0.02) | -27 12 28.29 | -27 12 19.80 | ||||
| Spectral type | DA2.5 | DA2.5 | DA | DA2.5 | DA2.3 | ||||||
| Effective temperature | [K] | 22611.0 | 21788.0 (3304) | 27831.0 (320) | |||||||
| log(g) | [cgs] | 7.62 | 7.88 (0.01) | ||||||||
| Mass | [M☉] | 0.446 | 0.581 (0.008) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0237 | |||||||||
| 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] | 14.45 (0.04) | 14.29 (0.07) | 14.45 | 14.45 (0.04) | 14.29 (0.07) | |||||
| Distance | [pc] | 69.20 (0.2) | 69.99 (0.3) | 52.00 | 69.20 | 69.20 (0.2) | 69.99 (0.3) | ||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 50.52146997 (0.04) | 50.51933266 (0.1) | 50.521 (0.04) | 50.51933266 | ||||||
| Proper motion (declination) | [mas/yr] | -164.6784797 (0.02) | -164.5468663 (0.06) | -164.678 (0.02) | -164.5468663 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | 13.92 | ||||||||||
| R magnitude | 14.31 | ||||||||||
| I magnitude | 14.47 | ||||||||||
| J magnitude | 14.72 (0.04) | 14.71 (0.04) | |||||||||
| H magnitude | 14.77 (0.09) | 14.77 (0.09) | |||||||||
| K magnitude | 14.90 (0.1) | 14.90 (0.1) | |||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 14.16 (0.001) | 14.17 | 14.16 | 14.16 (0.003) | 14.17 | ||||||
| BP magnitude | 14.04 (0.001) | 13.98 | 13.98 | ||||||||
| RP magnitude | 14.41 (0.0009) | 14.40 | 14.40 | ||||||||
| Pan g magnitude | 14.04 (0.01) | ||||||||||
| Pan r magnitude | 14.41 (0.002) | ||||||||||
| Pan i magnitude | 14.75 (0.004) | ||||||||||
| Pan z magnitude | 15.01 (0.002) | ||||||||||
| Pan y magnitude | 15.21 (0.003) | ||||||||||
| E(B-V) | 0.003 | ||||||||||
* Constant surface field
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