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A 10-GHZ Radio Continuum Survey of the Galactic Plane

  • T. Handa (a1) (a2), Y. Sofue (a2), N. Nakai (a2), H. Hirabayashi (a2), K. Akabane (a2) and M. Inoue (a2)...

Extract

A radio continuum survey of the galactic plane has been made with the 45-m telescope of the Nobeyama Radio Observatory at 10.55 GHz, which is the highest frequency among such surveys. The sensitivity of the telescope was Tb/S = 0.47 K/Jy and the HPBW was 2!6, which was a great advantage because of the same beam size of the Bonn 5-GHz survey (Altenhoff et al. 1978). The receiver was a cooled parametric amplifier. The instantaneous bandwidth was 500 MHz, and the system noise temperature was about 100 K. The calibration source was NGC 7027, which was assumed to be 6.6 Jy. One circular polarization component was observed. The observational parameters are summarized in Table I.

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References

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Altenhoff, W.J., Downes, D., Pauls, T., and Schraml, J.: 1978, Astron. Astrophys J. Suppl. 35, 23.
Haslam, C.G.T.: 1974, Astron. Astrophys. Suppl. 15, 333.
Sofue, Y., and Reich, W.: 1979, Astron. Astrophys. Suppl. 38, 251.
Sofue, Y., Hirabayashi, H., Akabane, K., Inoue, M., Handa, T., and Nakai, N.: 1985, IAU Symp. No. 106 The Milky Way Galaxy, eds. van Woerden, et al., p. 323.
Sofue, Y., Hirabayashi, H., Akabane, K., Inoue, M., Handa, T., and Nakai, N.: 1984, Publ. Astron. Soc. Japan 36, 287.
Sofue, Y., and Handa, T.: 1984, Nature 310, 568.

A 10-GHZ Radio Continuum Survey of the Galactic Plane

  • T. Handa (a1) (a2), Y. Sofue (a2), N. Nakai (a2), H. Hirabayashi (a2), K. Akabane (a2) and M. Inoue (a2)...

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