10- and 17-μm test images of the Galactic Centre: massive protostars near Sgr A*?

Details 10- and 17-μm test images of the Galactic Centre: massive protostars near Sgr A*? 10- and 17-μm test images of the Galactic Centre: massive protostars near Sgr A*?

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996msngr..84...18z&link_type=abstract

The Messenger, vol. 84, p. 18-20

Mathematics

Logic

2

Galactic Center: Protostars

Scientific paper

The authors have obtained 10 and 17 micron images of the central square-parsec of the Galaxy. The images indicate that the morphological structure of the innermost parsec of the Galactic Centre is rather similar at both wavelengths, but differs significantly at certain locations, in particular at the position of IRS3. This compact source projected about 2 arcsec west and 4 arcsec north of SgrA* is found to have an extinction corrected spectral energy distribution peaked near 10 microns and may be a massive protostar (Lbol > 104Lsun) or a cluster of protostars near the Galactic Centre. In none of the images, mid-infrared emission from SgrA* is detected.

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