WD 0220+22
All names: 2RXP J022334.0+222726, LAMOST J022336.19+222728.4, SDSS J022336.19+222728.5, WD 0220+22, SDSS J022336.18+222728.5, J0223+2227, Gaia DR3 99915890086770176, HD 14784B, RBS 311, G94-B5B, WD 0220+221, Gaia EDR3 99915890086770176, GEN# +1.00014784B, GALEX J022336.1+222729, UBV 2463, WDJ022336.08+222729.05, Gaia DR2 99915890086770176, UCAC3 225-10658, CSI+22-02207, G 94-B5B, [ZEH2003] RX J0223.5+2227 2, G 94-5B, UCAC4 563-004896, ** SKF 300B, 1RXS J022333.2+222752, RX J0223.5+2227, EUVE J0223+22.4, WDS J02236+2228B, SDSS J022336.13+222728.7, WD 0220+222, EGGR 18
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Tremblay et al. 2017 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 23 36.27 (0.04) | 02 23 36.26 (0.07) | 02 23 36.27 | 02 23 36.08 (0.04) | 02 23 36.26 | 02 23 33.72 | ||||||||||
| Declination | 22 27 28.16 (0.04) | 22 27 28.18 (0.06) | 22 27 28.16 | 22 27 29.05 (0.04) | 22 27 28.18 | 22 27 35.64 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA3.1 | DA5 | |||||||
| Effective temperature | [K] | 15788.0 (99) | 15795.0 (98) | 14485.0 | 16301.0 (264) | 16240.0 (280) | 16240.0 (269) | 15630.0 (65) | 16184.0 (222) | |||||||
| log(g) | [cgs] | 8.05 (0.006) | 8.03 (0.009) | 7.94 | 8.04 (0.05) | 8.05 (0.05) | 8.05 (0.05) | 7.89 (0.01) | 8.08 (0.01) | |||||||
| Mass | [M☉] | 0.642 (0.006) | 0.633 (0.007) | 0.578 | 0.59 (0.08) | 0.65 (0.03) | 0.665 (0.01) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.2003 | ||||||||||||||
| 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] | 12.70 (0.04) | 12.58 (0.07) | 12.74 (0.4) | 12.70 | 12.70 (0.04) | 12.58 (0.07) | |||||||||
| Distance | [pc] | 78.71 (0.3) | 79.52 (0.5) | 78.50 (3) | 78.49 (2) | 88.00 | 78.71 | 78.71 (0.3) | 79.52 (0.5) | |||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 164.1621896 (0.05) | 164.0926384 (0.1) | 164.162 (0.05) | 164.0926384 | |||||||||||
| Proper motion (declination) | [mas/yr] | -55.92867033 (0.05) | -56.05903703 (0.1) | -55.929 (0.05) | -56.05903703 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 15.90 | |||||||||||||||
| V magnitude | 15.83 (0.05) | 15.83 | 15.83 | |||||||||||||
| R magnitude | 15.46 (0.3) | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | ||||||||||||||||
| H magnitude | ||||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 15.97 (0.005) | 15.98 (0.005) | ||||||||||||||
| g magnitude | 15.68 (0.003) | 15.66 (0.003) | ||||||||||||||
| r magnitude | 15.95 (0.004) | 15.96 (0.004) | ||||||||||||||
| i magnitude | 16.18 (0.004) | 16.18 (0.005) | ||||||||||||||
| z magnitude | 16.57 (0.009) | 16.54 (0.009) | ||||||||||||||
| G magnitude | 15.80 (0.003) | 15.82 | 15.80 | 15.80 (0.003) | 15.82 | |||||||||||
| BP magnitude | 15.76 (0.003) | 15.75 | 15.75 | |||||||||||||
| RP magnitude | 15.90 (0.004) | 15.90 | 15.90 | |||||||||||||
| Pan g magnitude | 15.66 (0.0006) | |||||||||||||||
| Pan r magnitude | 15.94 (0.003) | |||||||||||||||
| Pan i magnitude | 16.22 (0.003) | |||||||||||||||
| Pan z magnitude | 16.43 (0.003) | |||||||||||||||
| Pan y magnitude | 16.59 (0.008) | |||||||||||||||
| E(B-V) | 0.007 | |||||||||||||||
* Constant surface field
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