Spitzer Observations of L429: A Near-collapse or Collapsing Starless Core

Details Spitzer Observations of L429: A Near-collapse or Collapsing Starless Core Spitzer Observations of L429: A Near-collapse or Collapsing Starless Core

2008-11-10

arxiv.org/abs/0811.1581v1

Astrophys.J.Lett.690:L35-L38,2009

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, emulateapj format, accepted for publication in ApJL

Scientific paper

10.1088/0004-637X/690/1/L35

We present Spitzer infrared observations of the starless core L429. The IR
images of this core show an absorption feature, caused by the dense core
material, at wavelengths <= 70 micron. The core has a steep density profile,
and reaches A_V > 35 mag near the center. We show that L429 is either
collapsing or in a near-collapse state.

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