Detection of a dense clump in a filament interacting with W51e2

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Table 2

Observation parameters for CCH with PdBI.

	Phase center		Number of fields	Field-of-view	Obs. date
W51	α₂₀₀₀ = 19^h23^m43.40^s	δ₂₀₀₀ = 14°30′34.8′′	2	72′′ × 58′′	7-Sep.-2007

	Configuration	Beam	PA	Resol	Water	T_sys	On-source	Noise^a
		arcsec	°	km s^-1	mm	K	hours	mJy/Beam
W51	D	5.61 × 4.63	132.6	0.27	4	100	1.5	9

Notes.

^(a)

The noise values quoted here are those at the mosaic center (mosaic noise is inhomogeneous because of primary beam correction; it steeply increases at the mosaic edges).

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