On the relation between the midinfrared and radio continuum flux density of galactic and extragalactic H II regions

Abstract

view Abstract Citations (19) References (12) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS On the relation between the midinfrared and radio continuum flux density of galactic and extragalactic H II regions. Thronson, H. A., Jr. ; Campbell, M. F. ; Harvey, P. M. Abstract We have considered the problem of using radio continuum observations to predict the midinfrared flux densities of giant HIl regions, both galactic and extragalactic. We find a ratio of absolute midinfrared4o-radio intensity that is almost constant among a large number of bright galactic sources. The currently available data on extragalactic Hil regions are consistent with a similar ratio. We further find, however, that apparently faint galactic sources do not obey the same midinfrared-to-radio continuum relationship. Publication: The Astronomical Journal Pub Date: December 1978 DOI: 10.1086/112366 Bibcode: 1978AJ.....83.1581T Keywords: Extragalactic Radio Sources; Flux Density; H Ii Regions; Infrared Astronomy; Continuous Radiation; Galactic Structure; Hydrogen Ions; Interstellar Gas; Least Squares Method; Astrophysics; Flux Densities:H II Regions; H II Regions:Infrared Radiation; H II Regions:Radio Radiation full text sources ADS | data products SIMBAD (10)