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Kinematic Mapping of the Narrow Line Region of NGC41511

Published online by Cambridge University Press:  25 May 2016

M.E. Kaiser ,
L.D. Bradley II ,
J.B. Hutchings ,
S.B. Kraemer ,
D.M. Crenshaw ,
J. Ruiz ,
D. Weistrop ,
C. Nelson  and
T.R. Gull
M.E. Kaiser
Affiliation:
Dept of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218
L.D. Bradley II
Affiliation:
Dept of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218
J.B. Hutchings
Affiliation:
Dominion Astrophysical Observatory, National Research Council of Canada, 5071 W. Saanich Rd., Victoria B.C. V8X 4M6, Canada
S.B. Kraemer
Affiliation:
Dept of Physics, Catholic University of America, Washington DC 20064
D.M. Crenshaw
Affiliation:
Dept of Physics, Catholic University of America, Washington DC 20064
J. Ruiz
Affiliation:
Dept of Physics, Catholic University of America, Washington DC 20064
D. Weistrop
Affiliation:
Dept of Physics, University of Nevada, Las Vegas, 4505 Maryland Pkwy, Las Vegas, NV 89154-4002
C. Nelson
Affiliation:
Dept of Physics, University of Nevada, Las Vegas, 4505 Maryland Pkwy, Las Vegas, NV 89154-4002
T.R. Gull
Affiliation:
NASA Goddard Space Flight Center, Lab for Astronomy and Solar Physics, Code 681, Greenbelt MD 20771

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We present HSTSpace Telescope Imaging Spectrograph (STIS) slitless spectroscopy of the NGC4151 narrow line region (NLR) as a probe of the kinematic stucture of the extended emission-line gas emanating from the nucleus. Using slitless spectroscopy at two roll angles (with a spatial resolution of 0.051 ″/pixel and a point source spectral resolution of 0.55 Å) augmented with narrow band images, we have mapped the velocity field of the NLR as defined by ˜60 discrete cloud structures in [OIII]. Flux measurements of [OII], Hβ, [OIII], [OI], and [SII] were made for individual cloud structures wherever possible.

Type
I. Observational Properties of AGN
Information
Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 79 - 81
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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