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Publikováno v:
Monthly Notices of the Royal Astronomical Society. 255:261-266
Extended nebular emission were detected in [S II] λλ6716, 6731, [N II] λ6584, 6548 and Hα on a long-slit spectrum offset by 9 arcsec from P Cyg. Anomalously strong [Ni II] λ6666.8 emission was also detected. The [S II] doublet ratio yields an el
Autor:
Harry J. Lehto, Dean R. H. Johnson
Publikováno v:
Nature. 355:705-707
R AQUARII is a symbiotic binary system surrounded by a complex extended optical nebulosity1. At radio and optical wavelengths a jet is seen to emerge from the central binary system2,3. We have observed R Aqr using the Very Large Array. Comparison wit