Emission-Line Imaging of 3CR Radio Galaxies. I. Imaging Data

1995 ◽  
Vol 99 ◽  
pp. 27 ◽  
Author(s):  
Patrick J. McCarthy ◽  
Hyron Spinrad ◽  
Wil van Breugel
Keyword(s):  
Emission Line ◽  
Radio Galaxies ◽  
Imaging Data ◽  
Line Imaging

scholarly journals HST /ACS EMISSION LINE IMAGING OF LOW-REDSHIFT 3CR RADIO GALAXIES. I. THE DATA

2009 ◽  
Vol 183 (2) ◽  
pp. 278-294 ◽  
Author(s):  
Grant R. Tremblay ◽  
Marco Chiaberge ◽  
William B. Sparks ◽  
Stefi A. Baum ◽  
Mark G. Allen ◽  
...  
Keyword(s):  
Emission Line ◽  
Radio Galaxies ◽  
Line Imaging

An HST emission-line imaging survey of 3CR radio galaxies

2002 ◽  
Vol 46 (2-7) ◽  
pp. 181-186 ◽  
Author(s):  
J.A. Biretta ◽  
A.R. Martel ◽  
M. McMaster ◽  
W.B. Sparks ◽  
S.A. Baum ◽  
...  
Keyword(s):  
Emission Line ◽  
Radio Galaxies ◽  
Line Imaging

scholarly journals The ionization of the emission-line gas in young radio galaxies

2009 ◽  
Vol 400 (2) ◽  
pp. 589-602 ◽  
Author(s):  
J. Holt ◽  
C. N. Tadhunter ◽  
R. Morganti
Keyword(s):  
Emission Line ◽  
Radio Galaxies

An Emission-Line Imaging Survey of Early-Type Seyfert Galaxies. II. Implications for Unified Schemes

1996 ◽  
Vol 467 ◽  
pp. 197 ◽  
Author(s):  
John S. Mulchaey ◽  
Andrew S. Wilson ◽  
Zlatan Tsvetanov
Keyword(s):  
Emission Line ◽  
Seyfert Galaxies ◽  
Early Type ◽  
Line Imaging

scholarly journals Near-IR emission line imaging of PN

1997 ◽  
Vol 180 ◽  
pp. 237-237
Author(s):  
T.M. Hodge ◽  
C.E. Woodward ◽  
D.M. Kelly ◽  
J. Fischer ◽  
M. A. Greenhouse ◽  
...  
Keyword(s):  
Emission Line ◽  
Ionization Potential ◽  
Orion Nebula ◽  
Spatial Studies ◽  
Spatially Resolved ◽  
Ngc 7027 ◽  
Line Imaging ◽  
Ngc 7662 ◽  
Physical And Chemical ◽  
Ir Emission

Spatial studies of the emission line regions in planetary nebulae (PN) can provide insight into the physical and chemical environments across the nebulae. In a collaborative effort by the coauthors, a K-band Fabry-Perot etalon has been coupled with an advanced 256 × 256 InSb focal plane array at the Wyoming Infrared Observatory 2.3m telescope. This system permits us to obtain spatially resolved, 0.24″/pixel, moderate spectral resolution (R ≈ 800), flux-density IR emission line images of astronomical sources. We obtained continuum-subtracted images of Br γ, HeI 2.06 μm, the 2-μm UIR features, and the 3.3 μm PAH dust feature in the PN NGC 6572, NGC 7027, and NGC 7662. One objective was to determine the spatial morphology of two unidentified emission lines, UIR1−2.199 μm, and UIR2−2.287 μm (Geballe et al. 1991). These UIR lines appear in the spectra of many PN (Hora et al. 1997) and in the Orion Nebula (Luhman & Rieke 1996). Geballe et al. suggested that the UIR lines are most likely forbidden transitions and showed that the parent ion ionization potential is ≈ 30–40 eV, while the ionization potential for the ions themselves is 40–60 eV. Here we directly compare the distribution of the UIR emitters to that of the gas (H+,He+) and dust (PAHs).

scholarly journals H2 and HI Emission Line Imaging of the Ring Nebula NGC 6720

1989 ◽  
Vol 131 ◽  
pp. 170-170
Author(s):  
M. A. Greenhouse ◽  
T. L. Hayward ◽  
H. A. Thronson
Keyword(s):  
Emission Line ◽  
Atomic Hydrogen ◽  
Molecular Hydrogen ◽  
Angular Resolution ◽  
Infrared Emission ◽  
Stellar Winds ◽  
Recombination Line ◽  
Ring Nebula ◽  
Line Imaging ◽  
Spatial Stratification

We present infrared emission line images of the v = 1 → 0 S(1) transition of molecular hydrogen and Brγ recombination line of atomic hydrogen which cover the entire extent of NGC 6720, the Ring Nebula. The maps presented here are the highest angular resolution images of these transitions yet produced for this object, and have very low relative positional uncertainty. As a result, we clearly resolve the spatial stratification of the ionized and shocked molecular zones within the nebula discussed previously by Beckwith et al. (1978). The relative spatial distribution of molecular and ionized hydrogen we observe is typical of several planetaries which exhibit shocked H2 emission (eg. see Zuckerman and Gatley 1987), and is similar to that predicted by the interacting-stellar-winds model of planetary nebulae formation (see Volk and Kwok 1985 and references therein).

scholarly journals Emission-line profiles and kinematics of the narrow-line region in Seyfert and radio galaxies

1981 ◽  
Vol 247 ◽  
pp. 403 ◽  
Author(s):  
T. M. Heckman ◽  
H. R. Butcher ◽  
G. K. Miley ◽  
W. J. M. van Breugel
Keyword(s):  
Emission Line ◽  
Radio Galaxies ◽  
Narrow Line ◽  
Line Profiles ◽  
Line Region ◽  
Narrow Line Region
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