... 1.10 Completed WF/PC-2 6761 (The Origin of Shock Emission in = Proto-Planetary Nebulae) The WF/PC-2 was used to make observations of the bi-polar = proto-planetary nebula M1-92 in order to study the origin of its shock = emissions. ...
... as a proto-planetary nebula candidate in a program ... star with H-alpha emission, with no other emission ... The emission lines were found to be ... that the total extent of the nebula is less than 2 ...
... STIS/CCD/MA1 7760 (UV Spectroscopy of the Luminous Cooling Flow Nebula in A2597) The Space Telescope Imaging Spectrograph (CCD, and MA1) was used to make ultraviolet emission line spectrographic observations of the luminous cooling flow Nebula Abell 2597 ...
... 1.10 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 PK215-24D1 ...
... 1.2 Completed PC 4308 (Snapshot Survey for Companions to Planetary Nebula Nuclei - Cycle 3 High) The Planetary Camera was used to make an observation of the central region of planetary nebula ABELL64. ...
... star; a toroidal structure (hereafter, the ring) close to the star; a roughly spherical nebula with a radius more than twice the semi-major axis of the ring; additional emission extending much farther, also in the direction of the ring's major axis; and ...
... SCHEDULED AND ACCOMPLISHED: 1.1 Completed WF/PC-2 6119 (Snapshot Survey for Companions of Planetary Nebula Nuclei) The WF/PC-2 was used to make snapshot survey observations of planetary nebula K1-2 to study its nuclei and to look for possible companions ...
... X-ray emission from the nebula MF 16 in the galaxy NGC 6946, previously . ... observations of the Ring Nebula in the diagnostic emission line filters F469N . ... Final Calibration of the Primary WFPC2 Emission-Line Filters Using the Orion Nebula ...
... The Galactic Emission Line Object Spectral Atlas This atlas contains the model spectra of the Orion nebula, and of the planetary nebula NGC 7009. ...
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Ссылки http://www.stsci.edu/hst/observatory/documents/isrs/cdbs.atlas.rev.pdf -- 19.0 Кб -- 14.11.2003 Похожие документы
... GHRS/2 4226 (Ultraviolet Spectroscopy of Hydrogen Poor Planetary Nebulae) The High Resolution spectrograph was used to make ultraviolet spectral observations of several emission knots and the central stars of the hydrogen-poor planetary nebula PK208+33D1 ...