GD 236
All names: WD 2226+06, WDJ222908.57+062247.49, Gaia EDR3 2709363196787375488, PG 2226+061, WD 2226+061, LSPM J2229+0622, Gaia DR3 2709363196787375488, GD 236, LP 580-21, TIC 419841161, Gaia DR2 2709363196787375488, 2MASS J22290855+0622475, GALEX J222908.4+062246, USNO-B1.0 0963-00586696, uvby98 610060236, EGGR 228, GCRV 21698, NLTT 53975
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 29 08.38 (0.04) | 22 29 08.39 (0.09) | 22 29 08.38 | 22 29 08.57 (0.04) | 22 29 08.39 | 22 29 08.90 | |||||||
| Declination | 06 22 45.81 (0.03) | 06 22 45.87 (0.07) | 06 22 45.81 | 06 22 47.49 (0.03) | 06 22 45.87 | 06 22 28.56 | |||||||
| Spectral type | DA | DA | DA | DA3.1 | DA4 | ||||||||
| Effective temperature | [K] | 15536.0 | 16240.0 (251) | 16429.0 (29) | 15280.0 (235) | 16632.0 (213) | |||||||
| log(g) | [cgs] | 7.71 | 7.76 (0.05) | 7.66 (0.006) | 7.62 (0.05) | 7.79 (0.01) | |||||||
| Mass | [M☉] | 0.464 | 0.49 (0.02) | 0.44 (0.02) | 0.503 (0.008) | ||||||||
| log(Luminosity) | [L☉] | -1.85 | |||||||||||
| Cooling age | [Gyr] | 0.1099 | 0.1905 | ||||||||||
| 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] | 16.10 (0.04) | 16.16 (0.1) | 16.10 | 16.10 (0.04) | 16.16 (0.1) | |||||||
| Distance | [pc] | 62.10 (0.2) | 61.90 (0.4) | 60.00 | 65.00 | 62.10 | 62.10 (0.2) | 61.90 (0.4) | |||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -175.1309548 (0.04) | -174.9964409 (0.1) | -175.131 (0.04) | -174.9964409 | ||||||||
| Proper motion (declination) | [mas/yr] | -105.0069269 (0.04) | -104.9295006 (0.1) | -105.007 (0.04) | -104.9295006 | ||||||||
| Variability | NOV | ||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 15.50 | ||||||||||||
| V magnitude | 14.70 | 14.71 | |||||||||||
| R magnitude | 14.30 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.18 (0.04) | ||||||||||||
| H magnitude | 15.22 (0.07) | ||||||||||||
| K magnitude | 15.23 (0.1) | ||||||||||||
| u magnitude | 14.82 (0.005) | ||||||||||||
| g magnitude | 14.61 (0.004) | ||||||||||||
| r magnitude | 14.93 (0.005) | ||||||||||||
| i magnitude | 15.23 (0.005) | ||||||||||||
| z magnitude | 15.48 (0.006) | ||||||||||||
| G magnitude | 14.78 (0.002) | 14.80 | 14.78 | 14.78 (0.003) | 14.80 | ||||||||
| BP magnitude | 14.72 (0.002) | 14.71 | 14.71 | ||||||||||
| RP magnitude | 14.92 (0.003) | 14.92 | 14.92 | ||||||||||
| Pan g magnitude | 14.65 (0.006) | ||||||||||||
| Pan r magnitude | 14.95 (0.006) | ||||||||||||
| Pan i magnitude | 15.23 (0.002) | ||||||||||||
| Pan z magnitude | 15.48 (0.002) | ||||||||||||
| Pan y magnitude | 15.64 (0.003) | ||||||||||||
| E(B-V) | 0.002 | ||||||||||||
* Constant surface field
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