SIMBAD references

2007ApJ...668..968K - Astrophys. J., 668, 968-973 (2007/October-3)

CANGAROO III search for gamma rays from Centaurus A and the ω Centauri region.

KABUKI S., ENOMOTO R., BICKNELL G.V., CLAY R.W., EDWARDS P.G., GUNJI S., HARA S., HATTORI T., HAYASHI S., HIGASHI Y., INOUE R., ITOH C., KAJINO F., KATAGIRI H., KAWACHI A., KAWASAKI S., KIFUNE T., KIUCHI R., KONNO K., KUBO H., KUSHIDA J., MATSUBARA Y., MIZUKAMI T., MIZUNIWA R., MORI M., MURAISHI H., NAITO T., NAKAMORI T., NISHIDA D., NISHIJIMA K., OHISHI M., SAKAMOTO Y., STAMATESCU V., SUZUKI S., SUZUKI T., SWABY D.L., TANIMORI T., THORNTON G., TOKANAI F., TSUCHIYA K., WATANABE S., YAMADA Y., YAMAZAKI M., YANAGITA S., YOSHIDA T., YOSHIKOSHI T., YUASA M. and YUKAWA Y.

Abstract (from CDS):

We have observed the giant radio galaxy Centaurus A and the globular cluster ω Centauri in the TeV energy region using the CANGAROO III stereoscopic system. The system has been in operation since 2004 with an array of four Imaging Atmospheric Cerenkov Telescopes (IACT) with ∼100 m spacings. The observations were carried out in 2004 March and April. In total, approximately 10 hr of data were obtained for each target. No statistically significant gamma-ray signal has been found above 420 GeV over a wide angular region (a 1° radius from the pointing center), and we derive flux upper limits using the wholefield of view. Implications for the total energy of cosmic rays and the density of the cold dark matter are considered.

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Journal keyword(s): Gamma Rays: Observations - Galaxies: Individual: Name: Centaurus A - Galaxy: Globular Clusters: Individual: Name: ω Centauri

Simbad objects: 5

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