OH Megamasers Survey - NRAO Greenbank


Brian Kent ¹, James Braatz ¹, and Jeremy Darling ²

¹ National Radio Astronomy Observatory, Greenbank, WV
² The Observatories of the Carnegie Institute of Washington

Description and Project Goals

We present results for the detection of OH megamasers from ultraluminous infrared galaxies (ULIRGs) using the Robert C. Byrd Greenbank Telescope (GBT). Surveys for new OH megamasers have several important goals:

  • Calibration of the luminosity function of OH sources
  • Develop relationships between OH luminosity and galaxy characteristics as a function of redshift
  • Gain an understanding of merger rates as a function of redshift

    Targets are selected from the IRAS PSCz Redshift Survey. Approximately 90 megamasers are currently known (Darling & Giovanelli 2000)

    Data reduction is performed with AIPS++ and UNI-Jr single dish analysis routines.
    Candidate source information obtained from NED and SIMBAD.

  • SOURCE LIST
  • OBSERVATION LOG
  • SCAN LIST
  • DATA REDUCTION SCRIPTS

    • Latest Possible OH Detections


  • IRAS 09539+0857 - 1st known OH megamaser observed with the GBT (Original detection - Darling and Giovanelli 2001)

  • IRAS 16090-0139

  • IRAS 16334+4630

  • IRAS 01298-0744

  • IRAS 01569-2939

  • IRAS 01355-1814

  • IRAS 12071-0444

  • IRAS 18523+5341

  • IRAS 20040-0218

  • IRAS 23257-1123

  • IRAS 00461-0728

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    Updated: 1/16/03 by Brian Kent