Deep RATAN-600 surveys at the declination of SS 433 carried out in 1987–2000 at 7.6 and 2.7 cm View Full Text


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Article Info

DATE

2006-05

AUTHORS

N. S. Soboleva, N. N. Bursov, A. V. Temirova

ABSTRACT

We discuss the results of deep surveys of a ±10′ strip of the sky, centered on the declination of SS 433, carried out on the Northern sector of the RATAN-600 telescope at 2.7 and 7.6 cm in 1987–2000. The survey objects are cross-identified with sources in the NVSS catalog and the corresponding two-frequency spectral indices determined. We find a decrease in the mean spectral index in the transition from objects with flux densities S21 ≥ 30 mJy to those with 15 < S21 < 30 mJy. The constructed log N — logS relation at 2.7 cm has a slope of 3/2 at flux densities ≥300 mJy and flattens at weaker flux densities. The 1.4 GHz (NVSS), 3.94 GHz (RATAN-600), and 11.11 GHz (RATAN-600) data are used to estimate the number of objects per square degree at a wavelength of 1 cm. More... »

PAGES

341-345

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1063772906050015

DOI

http://dx.doi.org/10.1134/s1063772906050015

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1040451815


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