EGGR 411
All names: Gaia DR2 127366331745660288, USNO-B1.0 1171-00034696, TIC 22712756, WD 0228+269, 02316+2709, 0228+269, NLTT 8212, LP 354-381, SDSS J023141.14+270951.4, Gaia DR3 127366331745660288, PSO J037.9221+27.1645, LSPM J0231+2709, WDJ023140.97+270950.48, PM J02316+2709, 2MASS J02314090+2709501, WD 0228+26, SDSS J023141.14+270951.5, Gaia EDR3 127366331745660288, J0231+2709, EGGR 411
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Leggett et al. 2018 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 31 41.44 (0.08) | 02 31 41.43 (0.09) | 02 31 41.43 (0.09) | 02 31 41.44 | 02 31 40.97 (0.08) | 02 31 41.43 | 02 31 36.53 | ||||||||||
| Declination | 27 09 53.14 (0.06) | 27 09 53.06 (0.08) | 27 09 53.06 (0.08) | 27 09 53.14 | 27 09 50.48 (0.06) | 27 09 53.06 | 27 09 14.76 | ||||||||||
| Spectral type | DC | DA | DC | DA | DA | DC:10.4 | DA | DA | DC: | DC9 | DC9 | ||||||
| Effective temperature | [K] | 4824.0 (16) | 4779.0 (52) | 4849.0 (15) | 4801.4 (48) | 4830.0 (25) | 4855.0 (77) | 4838.0 | 4850.0 (107) | 4928.0 (36) | |||||||
| log(g) | [cgs] | 7.86 (0.009) | 7.82 (0.04) | 7.89 (0.009) | 7.85 (0.04) | 7.87 (0.02) | 7.89 (0.05) | 7.87 | 8.00 (0) | 7.93 (0.02) | |||||||
| Mass | [M☉] | 0.496 (0.007) | 0.472 (0.01) | 0.515 (0.007) | 0.502 (0.01) | 0.513 (0.04) | 0.502 | 0.58 (0.1) | 0.539 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -4.10 | |||||||||||||||
| Cooling age | [Gyr] | 5.3900 | 4.9750 (0.3) | 5.0680 (0.7) | 4.9330 | ||||||||||||
| 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] | 35.52 (0.09) | 35.52 (0.09) | 35.54 (0.1) | 35.54 (0.1) | 35.54 (0.1) | 35.63 (1) | 35.54 (0.1) | 35.52 | 35.52 (0.09) | 35.54 (0.1) | ||||||
| Distance | [pc] | 28.16 (0.07) | 28.15 (0.07) | 28.14 (0.08) | 28.14 (0.08) | 28.14 (0.08) | 28.07 (0.9) | 28.14 (0.08) | 26.20 (4) | 28.16 | 28.16 (0.07) | 28.14 (0.08) | |||||
| Composition | H | H | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 390.7490276 (0.09) | 390.7752261 (0.2) | 390.749 (0.09) | 390.7752261 | ||||||||||||
| Proper motion (declination) | [mas/yr] | 166.3914273 (0.08) | 166.4374374 (0.2) | 166.391 (0.08) | 166.4374374 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 17.60 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 16.70 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 15.80 (0.01) | 15.84 (0.06) | 15.84 (0.06) | ||||||||||||||
| H magnitude | 15.44 (0.09) | 15.44 (0.09) | 15.44 (0.09) | ||||||||||||||
| K magnitude | 15.31 (0.1) | 15.31 (0.1) | 15.31 (0.1) | ||||||||||||||
| u magnitude | 19.58 (0.03) | 19.58 (0.04) | 19.58 (0.04) | ||||||||||||||
| g magnitude | 17.74 (0.005) | 17.85 (0.006) | |||||||||||||||
| r magnitude | 17.06 (0.004) | 17.06 (0.005) | |||||||||||||||
| i magnitude | 16.79 (0.004) | 16.77 (0.005) | |||||||||||||||
| z magnitude | 16.69 (0.005) | 16.62 (0.009) | |||||||||||||||
| G magnitude | 17.10 (0.009) | 17.12 | 17.12 | 17.10 | 17.10 (0.003) | 17.12 | |||||||||||
| BP magnitude | 17.62 (0.009) | 17.63 | 17.63 | ||||||||||||||
| RP magnitude | 16.43 (0.007) | 16.45 | 16.45 | ||||||||||||||
| Pan g magnitude | 17.74 (0.004) | 17.74 (0.006) | 17.74 (0.006) | ||||||||||||||
| Pan r magnitude | 17.06 (0.004) | 17.06 (0.004) | 17.06 (0.004) | ||||||||||||||
| Pan i magnitude | 16.79 (0.004) | 16.79 (0.004) | 16.79 (0.004) | ||||||||||||||
| Pan z magnitude | 16.69 (0.004) | 16.69 (0.005) | 16.69 (0.005) | ||||||||||||||
| Pan y magnitude | 16.63 (0.01) | 16.63 (0.01) | 16.63 (0.01) | ||||||||||||||
| E(B-V) | 0.000 | ||||||||||||||||
* Constant surface field
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