Discovery of a New Filamentary Structure near the Galactic Center: G358.85+0.47 - The Pelican

Details Discovery of a New Filamentary Structure near the Galactic Center: G358.85+0.47 - The Pelican Discovery of a New Filamentary Structure near the Galactic Center: G358.85+0.47 - The Pelican

1999-03-03

arxiv.org/abs/astro-ph/9903068v1

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures. Presented at the Galactic Center Workshop 98 - The Central Parsecs, Sept 98, Tucson

Scientific paper

We report the discovery of a new filamentary structure, G358.85+0.47, consisting of at least three mutually parallel but bent `strands', located about 1.5 degrees SW of the Sgr A complex. Unlike all the other known Galactic center filaments, G358.85+0.47 is oriented parallel to the galactic plane. This orientation of the filament may have implications for the large scale structure of the magnetic field near the Galactic Center. This feature was identified in a new wide-field image of the Galactic Center region at 90 cm. Further higher resolution observations at 20 cm revealed a filamentary structure which is similar to several other known linear features in the vicinity of the Galactic center. Based on its appearance in a 20 cm image, we give it the name 'the Pelican' for further reference.

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