Millimeter-wavelength galactic observations with the mobile anisotropy telescope

J. L. Puchalla, R. Caldwell, K. L. Cruz, M. J. Devlin, W. B. Dorwart, T. Herbig, A. D. Miller, M. R. Nolta, L. A. Page, E. Torbet, H. T. Tran

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5 Scopus citations

Abstract

Spatially filtered maps of a portion of the Galactic plane are presented in Ka band (26-36 GHz), Q band (36-46 GHz), and D band (138-150 GHz) near a declination of -60° with resolutions ranging from 0°.2 to 0°.9. The maps are optimized to detect unresolved source emission and are calibrated through observations of the planet Jupiter. Six millimeter-bright regions are detected, including the Carina Nebula and RCW 57, of which three are visible in all bands. Variability of flux density over a 3 month period has an upper limit of 3.8% for all sources seen in Ka and Q bands and 10% in D band. A fractional polarization upper limit of 0.08 is placed for all sources seen in Ka and Q bands.

Original languageEnglish (US)
Pages (from-to)1978-1985
Number of pages8
JournalAstronomical Journal
Volume123
Issue number4 1756
DOIs
StatePublished - Apr 2002

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • Diffuse radiation
  • Galaxy: structure
  • H II regions
  • Radio continuum
  • Surveys

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    Puchalla, J. L., Caldwell, R., Cruz, K. L., Devlin, M. J., Dorwart, W. B., Herbig, T., Miller, A. D., Nolta, M. R., Page, L. A., Torbet, E., & Tran, H. T. (2002). Millimeter-wavelength galactic observations with the mobile anisotropy telescope. Astronomical Journal, 123(4 1756), 1978-1985. https://doi.org/10.1086/339302