... the Origin of Abundance Anomalies in H II Regions) The WF/PC-2 and the Space Telescope Imaging Spectrograph (CCD) were used to perform a set of observations of emission-line diagnostics of the Orion Nebula, the brightest and best-resolved H II region ...
... Structure Of Cas A's Metal-Rich Ejecta Spectroscopy Of The Rapidly-Evolving Chemically Inhomogeneous Planetary Nebula BD+30 3639 An Emission Line Sur vey Of The Crab Nebula HST Imaging Of Bipolar Proto-Planetary Nebulae And Circumstellar Arcs Imaging The ...
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Ссылки http://www.stsci.edu/ftp/stsci/newsletters/1999/stsci.news.1.99.pdf -- 919.3 Кб -- 23.03.1999 Похожие документы
... spectral observations of the planetary nebula IC3568 trying to obtain information ... to study time variations in its continuum, and emissions in Helium II and Carbon IV ...
... 1.2 Completed WFC 4385 (Spectroscopy and Imagery of Orion's Nebula - Cycle 3 High) The Wide Field Camera was used to make image of regions in the Orion Nebula to learn more about its small structure at short wavelengths. ...
... 1.13 Completed WF/PC-2 6221 (Small Scale Structure in Axisymmetric Planetary and Protoplanetary Nebula) The WF/PC-2 was used to make observations of the nebula MYCN18 to study its small scale structure. ...
... Using the best atomic data available for the energy levels of the more prominent ionization stages of elements in the fourth and fifth rows of the periodic table, they identified a number of post Y Fe peak emission lines in the nebula. ...
... 1.2 Completed WF/PC-2 6366 (The Early Onset of Asymmetric Outflow = During the Planetary Nebula Formation) The WF/PC-2 was used to make observations of the planetary nebula = QY Sge in order to study its asymmetric outflow during its formation. ...
... An ACS H-alpha Survey of the Carina Nebula . Abstract . 10481 . ... Velocities of Objects in the Orion Nebula and Locating the Embedded Outflow Sources ... Abstract . GO 10475: An ACS H-alpha Survey of the Carina Nebula . ...