scholarly journals High resolution infrared maps of IRAS galaxies

1991 ◽  
Vol 147 ◽  
pp. 411-412
Author(s):  
S. K. Ghosh ◽  
T. N. Rengarajan ◽  
R. P. Verma
Keyword(s):  
High Resolution ◽  
Spatial Structure ◽  
Maximum Entropy ◽  
Maximum Entropy Method ◽  
Entropy Method ◽  
The Cross

IRAS has provided infrared maps of a large number of galaxies. However the size of IRAS survey detectors is quite large (∼5′ in the cross-scan direction) and there is a need for improving the resolution of these maps. In order to understand the spatial structure of galaxies, we have generated high resolution maps of 18 large galaxies by deconvolving the IRAS pointed observations from survey detectors as well as from Chopped Photometric Channel (CPC) using Maximum Entropy Method (MEM).

scholarly journals High resolution infrared maps of IRAS galaxies

1991 ◽  
Vol 147 ◽  
pp. 411-412
Author(s):  
S. K. Ghosh ◽  
T. N. Rengarajan ◽  
R. P. Verma
Keyword(s):  
High Resolution ◽  
Spatial Structure ◽  
Maximum Entropy ◽  
Maximum Entropy Method ◽  
Entropy Method ◽  
The Cross

IRAS has provided infrared maps of a large number of galaxies. However the size of IRAS survey detectors is quite large (∼5′ in the cross-scan direction) and there is a need for improving the resolution of these maps. In order to understand the spatial structure of galaxies, we have generated high resolution maps of 18 large galaxies by deconvolving the IRAS pointed observations from survey detectors as well as from Chopped Photometric Channel (CPC) using Maximum Entropy Method (MEM).

scholarly journals Resolution Enhancement; the ‘Maximum Entropy Method’ and the ‘High Resolution Method’

1979 ◽  
Vol 49 ◽  
pp. 197-218
Author(s):  
C. van Schooneveld
Keyword(s):  
High Resolution ◽  
Maximum Entropy ◽  
Maximum Entropy Method ◽  
Resolution Enhancement ◽  
Image Formation ◽  
Entropy Method ◽  
Resolution Method ◽  
High Resolution Method

In image formation from coherence functions we start with a set of observed coherences (visibilities) R′ (uk, vk), measured at locations uk, vk in the u,v-plane:

scholarly journals Dust and Gas in the Small Magellanic Cloud

1999 ◽  
Vol 190 ◽  
pp. 122-123 ◽  
Author(s):  
Tj.R. Bontekoe ◽  
D.J.M. Kester ◽  
S. Stanimirović ◽  
L. Staveley–Smith ◽  
J.M. van der Hulst
Keyword(s):  
High Resolution ◽  
Maximum Entropy ◽  
Maximum Entropy Method ◽  
Entropy Method ◽  
Magellanic Cloud ◽  
Small Magellanic Cloud ◽  
High Resolution Images

Here we present four IRAS high resolution images of the Small Magellanic Cloud, as reconstructed by the HIRAS program using the Pyramid Maximum Entropy method (Bontekoe et al. 1994). (HIRAS is not to be confused with HiRes (Aumann et al. 1990).) The images show much more detail than in Schwering & Israel (1990). Dust temperatures range from 25–41 K (Stanimirović et al. in prep).

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