Orion-KL Observations with the Extended Tuning Range of the New SEPIA660 APEX Facility Instrument

F. M. Montenegro-Montes, K. Torstensson, R. Parra, J. P. Pérez-Beaupuits, L. -Å. Nyman, C. Agurto, F. Azagra, M. Cárdenas, E. González, F. MacAuliffe, P. Venegas, C. De Breuck, P. Bergman, D. S. Gunawan, F. Wyrowski, T. Stanke, V. Belitsky, M. Fredrixon, D. Meledin, M. OlbergM. Strandberg, E. Sundin, J. Adema, J. Barkhof, A. Baryshev, R. Hesper, A. Khudchenko

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Abstract

During Science Verification of the new SEPIA660 facility receiver at APEX, we carried out a shallow line survey of the archetypal Kleinmann- Low Nebula in the Orion star forming region (Orion-KL). These observations cover the tuning range towards the band edges, which has recently been extended beyond ALMA Band 9 specifications. At these frequencies, atmospheric transmission is very low but still sufficient to detect bright lines in Orion-KL. We present the collected spectra and compare with surveys from the literature, demonstrating the capabilities of the instrument.

Original languageEnglish
Pages (from-to)20-24
Number of pages5
JournalThe Messenger
Volume176
DOIs
Publication statusPublished - 1-Jun-2019

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