Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...322l..31b&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 322, Nov. 1, 1987, p. L31-L34.
Astronomy and Astrophysics
Astronomy
55
Astronomical Spectroscopy, Emission Spectra, Molecular Clouds, Pre-Main Sequence Stars, Radio Spectra, Herbig-Haro Objects, Radio Sources (Astronomy), Spectral Energy Distribution, Stellar Mass, Stellar Structure, Very Large Array (Vla)
Scientific paper
The central region of the Corona Australis molecular cloud surrounding the stars R and TY CrA has been studied using the VLA at 6 cm. Eleven radio sources are detected including five associated with pre-main-sequence objects. The most striking is associated with the near-IR source IRS 7 and shows a complex structure comprising two strong pointlike sources positioned either side of the deeply embedded IR source and two extended lobes of radio emission. The IRS 7 radio source appears to be similar to that associated with Lynds 1551 IRS 5 but has a considerably larger angular size. The other detected sources include the massive pre-main-sequence star TY CrA, the near-IR sources IRS 1 and IRS 5, and the Herbig-Haro object HH 101. The stars R and T CrA were not detected.
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