A CO survey in planet-forming disks: characterizing the gas content in the epoch of planet formation A.S. Hales1,2, I. De Gregorio-Monsalvo1,3, B. Montesinos4, S. Casassus5, W.F.R. Dent1,3, C. Dougados6, C. Eiroa7, A.M. Hughes8, G. Garay5, D. Mardones5, F. M´enard6, Aina Palau9, S. P´erez5, N. Phillips1,3, J.M. Torrelles10 and D. Wilner11 1Atacama Large Millimeter/Submillimeter Array, Joint ALMA Observatory, Alonso de C´ordova 3107, Vitacura 763-0355, Santiago - Chile 2National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, Virginia, 22903-2475, United States 3European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748, Garching bei M¨nchen, Germany 4Department of Astrophysics, Centre for Astrobiology (CAB, CSIC-INTA), ESAC Cam- pus, P.O. Box 78, 28691 Villanueva de la Ca˜nada, Madrid, Spain 5Departamento de Astronom´ıa, Universidad de Chile, Camino El Observatorio 1515, Las Condes, Santiago, Chile 6UMI-FCA, CNRS/INSU, France (UMI 3386), and Dept. de Astronom´ıa, Universidad de Chile, Santiago, Chile. 7Departamento de F´ısica Te´orica, Facultad de Ciencias, Universidad Aut´onoma de Madrid, Cantoblanco, 28049, Madrid, Spain arXiv:1405.6966v1 [astro-ph.SR] 27 May 2014 8Department of Astronomy, University of California, Berkeley, CA 94720, USA 9Institut de Ci´encies de l’Espai (CSIC-IEEC), Campus UAB-Facultat de Ci´encies, Torre C5-parell 2, 08193 Bellaterra, Catalunya, Spain 10Institut de Ci`encies de l’Espai (CSIC-IEEC) and Institut de Ci`encies del Cosmos (UB- IEEC), Mart´ıi Franqu`es 1, 08028 Barcelona, Spain 11Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA –2–
[email protected] Received ; accepted Accepted for publication in the Astronomical Journal –3– ABSTRACT We carried out a 12CO(3-2) survey of 52 southern stars with a wide range of IR excesses (LIR/L∗) using the single dish telescopes APEX and ASTE.