High resolution observations of the planetary nebulae NGC 6153 and IC 4593

Details High resolution observations of the planetary nebulae NGC 6153 and IC 4593 High resolution observations of the planetary nebulae NGC 6153 and IC 4593

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...202..215a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 202, no. 1-2, Aug. 1988, p. 215-218. Research supported by the Ministry of Sci

Astronomy and Astrophysics

Astrophysics

5

Astronomical Spectroscopy, Emission Spectra, Planetary Nebulae, Fabry-Perot Spectrometers, High Resolution, Hydrogen, Line Spectra, Nitrogen, Oxygen Spectra

Scientific paper

Observations of the central regions of two PN, obtained at high resolution in H I (6563-A) and the forbidden lines of O III (5007 A) and N II (6583 A) using a Fabry-Perot spectrometer and PMT detector on the 1-m telescope at Vainu Bappu Observatory (India), are reported. The data are presented in tables and graphs and characterized in detail. NGC 6153 is found to have an expanding shell with bipolar flow at velocity 55 km/s; IC 4593 has a triple-component profile consistent with a filled inner nebula and an outer shell, expanding at 16.5 km/s in O III and 44.0 km/s in N II.

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