EGGR 906
All names: UCAC4 521-143843, USNO-A2.0 0975-20975900, WDJ223145.42+141114.00, TIC 51813081, SDSS J223145.43+141113.4, PG 2229+139, GALEX J223145.4+141113, 2MASS J22314541+1411139, WISE J223145.46+141113.5, SDSS J223145.42+141113.9, Gaia DR2 2732864192679430656, SDSS J223145.42+141114.0, WISEA J223145.42+141113.7, Gaia EDR3 2732864192679430656, WD 2229+139, Gaia DR3 2732864192679430656, EGGR 906
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | MWDD HE | Gaia DR2 | Stilism | Bergeron et al. 2011 | Voss et al. 2007 | Koester et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 31 45.43 (0.04) | 22 31 45.42 | 22 31 45.43 (0.07) | 22 31 45.43 | 22 31 45.42 (0.04) | 22 31 45.43 | 22 31 44.40 | |||||||||
| Declination | 14 11 13.26 (0.04) | 14 11 13.96 | 14 11 13.28 (0.06) | 14 11 13.26 | 14 11 14.00 (0.04) | 14 11 13.28 | 14 11 08.88 | |||||||||
| Spectral type | DBA | DBA | DBA | DBAZ | DB | DB4 | DBA4 | DB | ||||||||
| Effective temperature | [K] | 14149.0 (188) | 14010.0 | 14940.0 (357) | 15423.0 | 15900.0 | 14966.0 (251) | |||||||||
| log(g) | [cgs] | 7.99 (0.01) | 7.98 | 8.18 (0.09) | 8.00 | 8.37 | 8.08 (0.02) | |||||||||
| Mass | [M☉] | 0.585 (0.01) | 0.574 | 0.7 (0.05) | 0.587 | 0.636 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | -2.25 | ||||||||||||||
| Cooling age | [Gyr] | 0.2362 | 0.2754 | 2.1070 | ||||||||||||
| log(H/He) | -5.0 | -4.73 (0.07) | -4.54 | -4.5 | ||||||||||||
| log(C/He) | ||||||||||||||||
| log(Ca/He) | -9.0 | |||||||||||||||
| log(Ca/H) | ||||||||||||||||
| log(N/He) | ||||||||||||||||
| log(O/He) | ||||||||||||||||
| log(Na/He) | ||||||||||||||||
| log(Mg/He) | ||||||||||||||||
| log(Al/He) | ||||||||||||||||
| log(Si/He) | ||||||||||||||||
| log(P/He) | ||||||||||||||||
| log(S/He) | ||||||||||||||||
| log(Cl/He) | ||||||||||||||||
| log(Sc/He) | ||||||||||||||||
| log(Ti/He) | ||||||||||||||||
| log(V/He) | ||||||||||||||||
| log(Cr/He) | ||||||||||||||||
| log(Mn/He) | ||||||||||||||||
| log(Fe/He) | ||||||||||||||||
| log(Co/He) | ||||||||||||||||
| log(Ni/He) | ||||||||||||||||
| log(Cu/He) | ||||||||||||||||
| log(Zn/He) | ||||||||||||||||
| log(Ga/He) | ||||||||||||||||
| log(Ge/He) | ||||||||||||||||
| log(Sr/He) | ||||||||||||||||
| Parallax | [mas] | 12.04 (0.05) | 11.96 (0.09) | 12.04 | 12.04 (0.05) | 11.96 (0.09) | ||||||||||
| Distance | [pc] | 83.05 (0.4) | 83.59 (0.6) | 76.00 | 83.05 | 83.05 (0.4) | 83.59 (0.6) | |||||||||
| Composition | He | He | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.814186484 (0.06) | 4.84054267 (0.1) | 4.814 (0.06) | 4.84054267 | |||||||||||
| Proper motion (declination) | [mas/yr] | -46.08452854 (0.05) | -46.05101707 (0.1) | -46.085 (0.05) | -46.05101707 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.05 (0.01) | |||||||||||||||
| V magnitude | 15.99 | 16.10 (0.1) | ||||||||||||||
| R magnitude | 16.40 (0.3) | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.41 (0.1) | |||||||||||||||
| H magnitude | 16.47 (0.2) | |||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 15.76 (0.005) | 15.76 (0.005) | 15.76 (0.005) | |||||||||||||
| g magnitude | 15.85 (0.004) | 15.85 (0.004) | 15.85 (0.004) | |||||||||||||
| r magnitude | 16.13 (0.004) | 16.13 (0.004) | 16.13 (0.004) | |||||||||||||
| i magnitude | 16.36 (0.005) | 16.36 (0.005) | 16.36 (0.005) | |||||||||||||
| z magnitude | 16.59 (0.01) | 16.59 (0.01) | 16.59 (0.01) | |||||||||||||
| G magnitude | 15.99 (0.005) | 16.01 | 15.99 | 15.99 (0.003) | 16.01 | |||||||||||
| BP magnitude | 15.94 (0.005) | 15.92 | 15.92 | |||||||||||||
| RP magnitude | 16.08 (0.003) | 16.08 | 16.08 | |||||||||||||
| Pan g magnitude | 15.91 (0.006) | |||||||||||||||
| Pan r magnitude | 16.15 (0.003) | |||||||||||||||
| Pan i magnitude | 16.40 (0.003) | |||||||||||||||
| Pan z magnitude | 16.61 (0.007) | |||||||||||||||
| Pan y magnitude | 16.76 (0.006) | |||||||||||||||
| E(B-V) | 0.009 | |||||||||||||||
* Constant surface field
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