WD 0847+176
All names: 2MASS J08504751+1726021, WDJ085047.51+172602.06, WD 0847+176, LAMOST J085047.51+172602.0, Gaia EDR3 659815519079378048, Gaia DR3 659815519079378048, Gaia DR2 659815519079378048, GALEX J085047.5+172601, TIC 46259736, EPIC 211808335, SDSS J085047.47+172601.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 50 47.43 (0.03) | 08 50 47.43 (0.04) | 08 50 47.43 | 08 50 47.51 (0.03) | 08 50 47.43 | 08 50 47.33 | |||||
| Declination | 17 26 01.55 (0.02) | 17 26 01.57 (0.03) | 17 26 01.55 | 17 26 02.06 (0.02) | 17 26 01.57 | 17 26 03.12 | |||||
| Spectral type | DA | DA | DA | DA | ? | ||||||
| Effective temperature | [K] | 18018.0 | 19793.0 (192) | 19741.0 (174) | |||||||
| log(g) | [cgs] | 8.08 | 8.03 (0.04) | 8.17 (0.008) | |||||||
| Mass | [M☉] | 0.664 | 0.64 (0.02) | 0.724 (0.006) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1232 | |||||||||
| 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] | 18.88 (0.03) | 18.85 (0.05) | 18.88 | 18.88 (0.03) | 18.85 (0.05) | |||||
| Distance | [pc] | 52.96 (0.09) | 53.05 (0.1) | 52.96 | 52.96 (0.09) | 53.05 (0.1) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -73.74929936 (0.04) | -73.9430331 (0.08) | -73.749 (0.04) | -73.9430331 | ||||||
| Proper motion (declination) | [mas/yr] | -31.74543021 (0.03) | -31.83396175 (0.05) | -31.745 (0.03) | -31.83396175 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.12 (0.04) | ||||||||||
| H magnitude | 15.24 (0.08) | ||||||||||
| K magnitude | 15.16 (0.1) | ||||||||||
| u magnitude | 14.56 (0.004) | 14.58 (0.004) | |||||||||
| g magnitude | 14.53 (0.004) | 14.51 (0.003) | |||||||||
| r magnitude | 14.86 (0.005) | 14.86 (0.003) | |||||||||
| i magnitude | 15.18 (0.005) | 15.16 (0.004) | |||||||||
| z magnitude | 15.46 (0.006) | 15.47 (0.006) | |||||||||
| G magnitude | 14.70 (0.001) | 14.72 | 14.70 | 14.70 (0.003) | 14.72 | ||||||
| BP magnitude | 14.62 (0.001) | 14.59 | 14.59 | ||||||||
| RP magnitude | 14.87 (0.002) | 14.87 | 14.87 | ||||||||
| Pan g magnitude | 14.57 (0.003) | ||||||||||
| Pan r magnitude | 14.89 (0.003) | ||||||||||
| Pan i magnitude | 15.19 (0.002) | ||||||||||
| Pan z magnitude | 15.46 (0.004) | ||||||||||
| Pan y magnitude | 15.62 (0.006) | ||||||||||
| E(B-V) | 0.002 | ||||||||||
* Constant surface field
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