... Disks in the Orion Nebula) The Space Telescope Imaging Spectrograph (CCD) and the WF/PC-2 were used to make multi-wavelength imaging of circumstellar disks (NGC-1976) seen as silhouettes against the bright emission-line background in the Orion Nebula ...
... In addition, 4 external orbits are required for external observations of an extended line emission source (planetary nebula) through ramp filters. ...
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Ссылки http://www.stsci.edu/hst/wfpc2/documents/isr/wfpc2_isr0301.pdf -- 1467.3 Кб -- 05.02.2013 Похожие документы
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... 1.5 Completed WF/PC-2 6353 (A Snapshot Emission Line Imaging Survey of = Very Low Excitation Planetary Nebulas) The WF/PC-2 was used to make snapshot observations as part to an = emission line survey of the very low excitation planetary nebula = PK146 ...
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... 1.13 Completed WF/PC-2 6353 (A Snapshot Emission Line Imaging Survey = of Very Low Excitation Planetary Nebulas) The WF/PC-2 was used to make snapshot observations as part of an = emission line survey of the very low excitation planetary nebula = PK111 ...
... 1.7 Completed WF/PC-2 6353 (A Snapshot Emission Line Imaging Survey of = Very Low Excitation Planetary Nebulas) The WF/PC-2 was used to make snapshot observations as part to an = emission line survey of the very low excitation planetary nebula = PK320 ...