General Information for Visitors or Visiting Scientists VISITING SCIENTISTS QUARTERS / LODGING The AO operates (21) twenty-one on-site VSQ rooms that are available for visiting telescope users, official Arecibo Observatory visitors, as well as visiting scientists. ... Please contact Natalia PiЯero, at extension 215, to request a late checkout. ... IN CASE OF AN EMERGENCY If an emergency situation occurs in the Arecibo Observatory site, contact extension 333, immediately. ...
... 2.3 Data acquisition Spectra generated by the Multibeam correlator contain the usual structure seen in spectra from other H i instruments: a bandpass spectrum which is the sum of the sky , ground and receiver temperatures multiplied by the product of the filters in the receiver chain; superimposed on this is a noise ... Note also that sources extended much beyond ,40 arcmin can be imaged poorly in HIPASS images because of the bandpass sidelobe effect described in Section 3.3. ...