A radio continuum study of the Magellanic Clouds. VIII. Discrete sources common to radio and infrared surveys of the Magellanic Clouds

Details A radio continuum study of the Magellanic Clouds. VIII. Discrete sources common to radio and infrared surveys of the Magellanic Clouds A radio continuum study of the Magellanic Clouds. VIII. Discrete sources common to radio and infrared surveys of the Magellanic Clouds

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..130..441f&link_type=abstract

Astronomy and Astrophysics Supplement, v.130, p.441-448

Astronomy and Astrophysics

Astrophysics

12

Galaxies: Magellanic Clouds, Radio Continuum: Galaxies, Infrared: Galaxies, Ism: H Ii Regions, Ism: Supernova Remnants (Snrs), Galaxies: Ism

Scientific paper

We compare Parkes Telescope radio surveys with the IRAS Infrared (IR) surveys of the Magellanic Clouds (MCs). We find 130 discrete sources in common towards the Large Magellanic Cloud (LMC) with both radio and IR emission. These 130 sources are mainly H Ii regions (89) and supernova remnants (21). For 12 of the sources we have no identification and eight are background objects. We find 38 sources in common for the Small Magellanic Cloud (SMC). Most of these sources are intrinsic (31) to the SMC, five sources are previously known background galaxies and two sources remain ambiguous. A flux density comparison of the radio and IR sources shows very good correlation and we note that the strongest sources at both radio and IR frequencies are H Ii regions. From the radio-IR comparison we propose that some 40 new sources in the LMC and 10 in the SMC are H Ii regions or SNRs. All these new sources are also identified in optical surveys.

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