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Speckle imaging of NGC 1068 and NGC 4151 in the forbidden O III 5007 A line and nearby continuum
Images of NGC 1068 and NGC 4151 in the forbidden O III 5007 A emissionline and nearby continuum are presented with about 0.3 arcsecresolution. The images are reconstructed using recently developedspeckle imaging techniques. Each object shows a bipolar extendedstructure in the emission line with lobes extending about 0.4 arcsecfrom an apparently unresolved central source. The unresolved componentemits about half the flux and is smaller than single-densityphotoionization models predict.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Balina |
| Sað Açýklýk: | 02h39m18.58s |
| Yükselim: | -01°54'03.6" |
| Görünürdeki Parlaklýk: | 8.484 |
| Uzaklýk: | 120.192 parsek |
| özdevim Sað Açýklýk: | 64.9 |
| özdevim Yükselim: | -0.4 |
| B-T magnitude: | 9.391 |
| V-T magnitude: | 8.559 |
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