G313.3+00.3: A new planetary nebula discovered by the Australia Telescope Compact Array and the Spitzer Space Telescope

Martin Cohen, Anne J. Green, Mallory S.E. Roberts, Marilyn R. Meade, Brian Babler, Rémy Indebetouw, Barbara A. Whitney, Christer Watson, Mark Wolfire, Mike J. Wolff, John S. Mathis, Edward B. Churchwell

Research output: Contribution to journalArticlepeer-review

Abstract

We present a new planetary nebula, first identified in images from the Australia Telescope Compact Array, although not recognized at that time. Recent observations with the Spitzer Space Telescope during the GLIMPSE Legacy program have rediscovered the object. The high-resolution radio and infrared images enable the identification of the central star or its wind, the recognition of the radio emission as thermal, and the probable presence of polycyclic aromatic hydrocarbons in and around the source. These lead to the conclusion that G313.3+00.3 is a planetary nebula. This object is of particular interest because it was discovered solely through radio and mid-infrared imaging, without any optical (or near-infrared) confirmation, and acts as a proof of concept for the discovery of many more highly extinguished planetary nebulae. G313.3+00.3 is well resolved by both the instruments with which it was identified and suffers extreme reddening due to its location in the Scutum-Crux spiral arm.

Original languageEnglish (US)
Pages (from-to)446-453
Number of pages8
JournalAstrophysical Journal
Volume627
Issue number1 I
DOIs
StatePublished - Jul 1 2005

Keywords

  • Infrared: general
  • Radio continuum: general
  • Stars: winds, outflows

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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