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| This page is maintained by IH, CK, SL and the GISMO team <<Anchor(beginOfPage)>> <<TableOfContents(5)>> ---- == Overview == || || Pixels || '''Wavelength''' || '''Bandwidth''' || '''Sensitivity''' || '''HPBW''' || '''Field-of-View''' || '''Spacing''' || || || || mm || '''[GHz]''' || '''[mJy sqrt(s)''' || || || || ||GISMO || 8x16 || 2 || 140-162 || 10 || 16.7" || 1.8'x3.7' || 13.75" || The Goddard-IRAM Superconducting 2mm Observer (GISMO) is a bolometer camera for the IRAM 30m telescope. It has been build by Goddard Space Flight Center, in Greenbelt, Maryland under the lead of Johannes Staguhn. GISMO consists of '''8x16 pixels''' with super conducting transition edge sensors (TES). The TES are read out by time domain SQUID multiplexers built at the National Institute for Standards (NIST), in Boulder, Colorado. The nominal bandwidth is 140-162 GHz (FWHM), pixels are spaced by '''13.75"''', the telescope HPBW is '''16.7"'''. The sensitivity has improved relative to the April 2011 run to about '''10 mJy sqrt(sec)''' (cf. report below). The field-of-view is ''' 1.8'x3.7' '''. Two standard observing modes are offered, Lissajous curves and on-the-fly scans. Both work in total power, without switching the secondary. An automated pipeline merges the GISMO data with the telescope data streams to create FITS files which are automatically processed by the reduction software crush to create logs, pointing results, and a first quick view of the data. Typical overheads for single science targets on the sky are 60%. The relative flux stability is about 8% (cf. report below). ---- == Call for proposals for the summer semester 2013 == GISMO is offered again to the community: * [[http://www.iram-institute.org/EN/content-page-169-7-57-169-0-0.html|Call for observing proposals with the 30m]] * [[attachment:TimeEstimator_v2.pdf|Updated guidelines to estimate observing times (Billot et al. 2012)]]. * [[attachment:bruni-aug2012-gismo.pdf|Report on GISMO performance based on the pool run in April-2012 (Bruni et al. 2012)]]. * [[http://www.submm.caltech.edu/~sharc/crush/|crush]] data processing software will be used to reduce all data. == Documentation == * [[attachment:GISMOSoftwareOperationalManual_02nov2012.pdf|GISMO Software Operational Manual]] by Steve Maher and Johannes Staguhn, October 2012 * [[attachment:GISMONCSInterfaceandFITSFormatv0.5.pdf|GISMO NCS Software Interface and FITS File Description]] by Steve Maher, Attila Kovacs, Albrecht Sievers, April 2012 == Publications == 1. [[http://arxiv.org/abs/1106.2092|Dwek, Staguhn et al. 2011]] ApJ, <<BR>> '''Star and dust formation activities in AzTEC-3: A starburst galaxy at z = 5.3''' 1. [[http://arxiv.org/abs/1103.6225|Arendt et al. 2011]] ApJ, <<BR>> '''The Radio - 2 mm Spectral Index of the Crab Nebula Measured with GISMO''' 1. [[http://arxiv.org/abs/1101.3586|Capack et al. 2011]] Nature, <<BR>> '''A massive proto-cluster of galaxies at a redshift of z~5.3''' 1. [[http://arxiv.org/abs/0907.1300|Dicker et al. 2009]] ApJ, <<BR>> '''90GHz and 150GHz observations of the Orion M42 region. A sub-millimeter to radio analysis''' 1. [[http://iopscience.iop.org/1742-6596/155/1/012001/pdf/jpconf9_155_012001.pdf|Benford, Moseley, Zmuidzinas 2009]] Journal of Physics <<BR>>'''Direct detectors for the Einstein inflation probe''' 1. [[http://www.iram.fr/IRAMFR/ARN/feb09/node12.html|IRAM Newsletter 2/2009]] <<BR>> '''GISMO - The Goddard-IRAM Superconducting 2 Millimeter Observer tested at the IRAM 30m observatory''' 1. [[http://esoads.eso.org/abs/2008JLTP..151..709S|Staguhn et al. 2008]] Journal of Low Temperature Physics, 151, 3, 709 <<BR>>'''GISMO, a 2 mm Bolometer Camera Optimized for the Study of High Redshift Galaxies''' ---- == Support teams == * Overall coordinator: '''Samuel Leclercq''' <leclercq@iram.fr> (IRAM/Grenoble) * GISMO support team: * '''Johannes Staguhn''' <johannes.g.staguhn@nasa.gov> (PI) * Elmer Sharp * Steve Maher * Dale Fixen * Attila Kovacs (crush) * IRAM/Granada support team: * '''Carsten Kramer''' (station manager, <kramer@iram.es>) * Israel Hermelo (bolometer pool manager, <hermelo@iram.es>) * Albrecht Sievers (friend of GISMO, <sievers@iram.es>) * Manuel Gonzalez (heterodyne pool manager, <gonzalez@iram.es>) * Nicolas Billot (30m scheduler, <billot@iram.es>) ---- == Observing Runs == === April 2013 - 3rd pool run === ==== Pool projects and observers ==== * Winter semester 2012 observations will be carried out as pooled observations from a dedicated pool account. M.Gonzalez will provide login information. * [[http://www.iram.fr/php/rel_sched/bgfiles/13/Bolopool-w12.html|List of accepted projects.]] * Progress of observations can be followed via the [[https://herapool.iram.es|pool data base]]. (CHECK: add link to new data base surface) * [[http://www.iram.es/IRAMES/mainWiki/PoolW12 |Pool observers for the April 2013 run]] * GISMO NEXUS log * [[https://mrt-lx1/Devices/GISMO/|internal with fast updates]] * [[https://herapool.iram.es/GISMO/|external with slow updates]] ==== Observing scripts ==== * GismoObservingScripts provides examples and explanations about how to start !PaKo in order to run the telescope with GISMO, and about total power maps using Lissajous and On-the-fly patterns. Observations using the wobbler will not be offered for this run. The old page GismoHowToObserve is obsolete. * [[https://www.iram.es/IRAMES/mainWiki/GismoPakoNotes|Notes on paKo and NCS for GISMO 2012]] === November 2012 - 2nd pool run === Two weeks of dedicated GISMO observations have been carried out during November 2012. ==== Pool projects and observers ==== * [[http://www.iram.fr/php/rel_sched/bgfiles/12/bolopool-S12.html|List of accepted projects.]] * [[http://www.iram.es/IRAMES/mainWiki/PoolS12 |Pool observers for the November 2012 run]] * [[attachment:GISMO_observations_summary.pdf|Observations summary]]. ==== Daily reports ==== * GismoRun7 === April 2012 - 1st pool run === In September 2011, GISMO had for the 1st time been offered to the community. Two weeks of dedicated GISMO observations have been carried out during April 2012. ==== Daily reports ==== * GismoRun6 ==== Test plan ==== * TestPlan for the first days of the April run * GismoToDoList ---- === Test runs 2007-2012 === ==== 5th alignment run, March 2012 ==== [[GismoRun5|Go to the 5th run Wiki page]] (installation of GISMO at a permanent position with new optics, baffle and new filter) ==== 4th test run, April 2011 ==== [[GismoRun4|Go to the 4th run Wiki page]] (restricted access, please send an email to SL to obtain the login information) ==== 3rd test run, April 2010 ==== [[GismoRun3|Go to the 3rd run Wiki page]] ==== 2nd test run, October 2008 ==== [[GismoRun2|Go to the 2nd run Wiki page]] ==== 1st test run, November 2007 ==== [[GismoRun1|Go to the 1st run Wiki page]] |
Note that this page is already obsolete. It has been replaced by the new [[http://www.iram.es/IRAMES/mainWiki/Continuum/GISMO/Main | GISMO wiki]]. |
Note that this page is already obsolete. It has been replaced by the new GISMO wiki.