EGGR 271
All names: WDJ122314.52+230751.04, FB 94, GEN# +6.10070610, WD 1220+234, UBV 11122, SDSS J122314.49+230751.0, Gaia DR2 3953720569396712320, GALEX J122314.4+230753, Gaia EDR3 3953720569396712320, WD 1220+23, Gaia DR3 3953720569396712320, PG 1220+234, 2MASS J12231451+2307508, EGGR 271, TON 610, Ton 610, CSI+23-12207, UBV M 43151, FAUST 3107, TIC 135101534
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 23 14.44 (0.05) | 12 23 14.44 (0.06) | 12 23 14.44 | 12 23 14.52 (0.05) | 12 23 14.44 | 12 23 14.02 | ||||||||
| Declination | 23 07 50.87 (0.03) | 23 07 50.87 (0.04) | 23 07 50.87 | 23 07 51.04 (0.03) | 23 07 50.87 | 23 07 46.56 | ||||||||
| Spectral type | DAH | DAP2.0 | DA | DA | DA | DAP2.0 | DA2 | |||||||
| Effective temperature | [K] | 25989.3 (312) | 23735.0 | 26540.0 | 24680.0 (513) | 26540.0 (429) | 25171.0 (448) | |||||||
| log(g) | [cgs] | 8.35 (0.03) | 8.24 | 9.12 (0.07) | 8.28 (0.06) | 8.29 (0.02) | ||||||||
| Mass | [M☉] | 0.8475121152847791 (0.04) | 0.772 | 0.81 | 1.25 (0.03) | 0.81 (0.04) | 0.81 (0.01) | |||||||
| log(Luminosity) | [L☉] | -1.28 | ||||||||||||
| Cooling age | [Gyr] | 0.0606 | 0.0550 | |||||||||||
| 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] | 10.77 (0.06) | 10.84 (0.07) | 10.77 | 10.77 (0.06) | 10.84 (0.07) | ||||||||
| Distance | [pc] | 92.88 (0.5) | 92.22 (0.6) | 44.00 | 100.00 | 92.88 | 92.88 (0.5) | 92.22 (0.6) | ||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -67.2386629 (0.06) | -67.43503653 (0.1) | -67.239 (0.06) | -67.43503653 | |||||||||
| Proper motion (declination) | [mas/yr] | -10.66001324 (0.04) | -10.54833397 (0.09) | -10.66 (0.04) | -10.54833397 | |||||||||
| Variability | ||||||||||||||
| Magnetic | yes | yes | ||||||||||||
| Bd | [MG] | 1.607314674199014 | 3 | |||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 15.57 | |||||||||||||
| V magnitude | 15.64 | 15.64 | ||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.19 (0.08) | |||||||||||||
| H magnitude | 16.31 (0.2) | |||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 15.29 (0.02) | 15.25 (0.004) | ||||||||||||
| g magnitude | 15.45 (0.01) | 15.45 (0.004) | ||||||||||||
| r magnitude | 15.89 (0.01) | 15.89 (0.004) | ||||||||||||
| i magnitude | 16.21 (0.01) | 16.20 (0.005) | ||||||||||||
| z magnitude | 16.51 (0.01) | 16.51 (0.008) | ||||||||||||
| G magnitude | 15.66 (0.002) | 15.68 | 15.66 | 15.66 (0.003) | 15.68 | |||||||||
| BP magnitude | 15.55 (0.002) | 15.51 | 15.51 | |||||||||||
| RP magnitude | 15.90 (0.003) | 15.90 | 15.90 | |||||||||||
| Pan g magnitude | 15.49 (0.003) | |||||||||||||
| Pan r magnitude | 15.87 (0.004) | |||||||||||||
| Pan i magnitude | 16.21 (0.005) | |||||||||||||
| Pan z magnitude | 16.48 (0.003) | |||||||||||||
| Pan y magnitude | 16.67 (0.006) | |||||||||||||
| E(B-V) | 0.003 | |||||||||||||
* Constant surface field
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