A Cluster of Compact Radio Sources in NGC 2024 (Orion B) | Zendy

Luis F. Rodrı́guez | Zendy; Yolanda Gómez | Zendy; Bo Reipurth | Zendy

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A Cluster of Compact Radio Sources in NGC 2024 (Orion B)

Author(s) -

Luis F. Rodrı́guez,

Yolanda Gómez,

Bo Reipurth

Publication year - 2003

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/378953

Subject(s) - physics , astrophysics , angular resolution (graph drawing) , cluster (spacecraft) , astronomy , computer science , mathematics , combinatorics , programming language

We present deep 3.6 cm radio continuum observations of the H II region NGC2024 in Orion B obtained using the Very Large Array in its A-configuration,with $0\rlap.{''}2$ angular resolution. We detect a total of 25 compact radiosources in a region of $4' \times 4'$. We discuss the nature of these sourcesand its relation with the infrared and X-ray objects in the region. At leasttwo of the radio sources are obscured proplyds whose morphology can be used torestrict the location of the main ionizing source of the region. This clusterof radio sources is compared with others that have been found in regions ofrecent star formation.Comment: 21 pages, 7 figure

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