HE 0418-1021
All names: HE 0418-1021, GALEX J042111.9-101410, UCAC4 399-005648, Gaia DR2 3191269144559159936, Gaia EDR3 3191269144559159936, USNO-B1.0 0797-00042952, WDJ042112.02-101408.16, TIC 37779734, HE0418-1021, 2MASS J04211202-1014085, Gaia DR3 3191269144559159936, WD 0418-103
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 21 12.05 (0.03) | 04 21 12.05 (0.04) | 04 21 12.05 | 04 21 12.02 (0.03) | 04 21 12.05 | 04 21 11.74 | ||||||
| Declination | -10 14 08.17 (0.03) | -10 14 08.17 (0.04) | -10 14 08.17 | -10 14 08.16 (0.03) | -10 14 08.17 | -10 14 02.40 | ||||||
| Spectral type | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 21444.0 | 24086.0 (327) | 23385.0 (34) | 24123.0 (381) | |||||||
| log(g) | [cgs] | 8.29 | 8.37 (0.09) | 8.29 (0.007) | 8.42 (0.01) | |||||||
| Mass | [M☉] | 0.803 | 0.846 (0.06) | 0.885 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1045 | ||||||||||
| 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) | <-8.20 | |||||||||||
| 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] | 12.16 (0.04) | 12.16 (0.07) | 12.16 | 12.16 (0.04) | 12.16 (0.07) | ||||||
| Distance | [pc] | 82.20 (0.3) | 82.26 (0.4) | 82.20 | 82.20 (0.3) | 82.26 (0.4) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 24.35442452 (0.04) | 24.41974698 (0.08) | 24.354 (0.04) | 24.41974698 | |||||||
| Proper motion (declination) | [mas/yr] | -0.791537531 (0.04) | -0.620308136 (0.07) | -0.792 (0.04) | -0.620308136 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.21 | 15.67 (0.05) | ||||||||||
| V magnitude | 15.68 (0.05) | 15.68 (0.05) | ||||||||||
| R magnitude | 15.90 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.17 (0.07) | |||||||||||
| H magnitude | 16.42 (0.2) | |||||||||||
| K magnitude | 15.77 (0.2) | |||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 15.68 (0.002) | 15.70 | 15.68 | 15.68 (0.003) | 15.70 | |||||||
| BP magnitude | 15.58 (0.002) | 15.54 | 15.54 | |||||||||
| RP magnitude | 15.91 (0.005) | 15.90 | 15.90 | |||||||||
| Pan g magnitude | 15.53 (0.003) | |||||||||||
| Pan r magnitude | 15.88 (0.002) | |||||||||||
| Pan i magnitude | 16.22 (0.002) | |||||||||||
| Pan z magnitude | 16.49 (0.006) | |||||||||||
| Pan y magnitude | 16.66 (0.01) | |||||||||||
| E(B-V) | 0.001 | |||||||||||
* Constant surface field
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