Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...250..227r&link_type=abstract
Astrophysical Journal, Part 1, vol. 250, Nov. 1, 1981, p. 227-231.
Astronomy and Astrophysics
Astronomy
3
Astronomical Maps, High Resolution, Infrared Astronomy, Radio Observation, Angular Resolution, Hydrogen Ions, Infrared Radiation, Ionized Gases, Radio Astronomy, Spatial Distribution
Scientific paper
The region of AFGL 2636, a multicomponent infrared source from which the unidentified 3.3 micron emission feature is observed, has been mapped at 20 cm with a resolution of 1.5 arcsec, at 9 cm at a resolution of 4.6 arcmin, and at 6 cm with a resolution of 0.5 arcsec. It is found that the large-scale distribution of the ionized gas and the extent of the heated dust are well correlated. An upper limit of 3 kpc is placed on the distance to this region. Nine-cm observations of AFGL 437 and AFGL 3053, which also exhibit the 3.3 micron feature, are also discussed.
Rossano George S.
Russell Ray W.
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