A search for cyanopolyynes in L1157-B1

  title={A search for cyanopolyynes in L1157-B1},
  author={Edgar Mendoza and Bertrand Lefloch and Cecilia Ceccarelli and Claudine Kahane and Ali A. Jaber and Linda Podio and Milena Benedettini and Claudio Codella and Serena Viti and Izaskun J{\'i}menez-Serra and Jacques R. D. L{\'e}pine and Heloisa M Boechat-Roberty and Rafael Bachiller},
  journal={Monthly Notices of the Royal Astronomical Society},
We present here a systematic search for cyanopolyynes in the shock region L1157-B1 and its associated protostar L1157-mm in the framework of the Large Program "Astrochemical Surveys At IRAM" (ASAI), dedicated to chemical surveys of solar-type star forming regions with the IRAM 30m telescope. Observations of the millimeter windows between 72 and 272 GHz permitted the detection of HC$_3$N and its $^{13}$C isotopologues, and HC$_5$N (for the first time in a protostellar shock region). In the shock… 

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