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Showing 2008 · astro-phShow all
3 papers · 2 filters
astro-ph2008★ 5 cited
An analysis of the possible thermal emission at radio frequencies from an evolved supernova remnant HB 3 (G132.7 + 1.3): revisited
D. Onić, D. Urošević
It has recently been reported that some of the flux density values for an evolved supernova remnant (SNR) HB 3 (G132.7 + 1.3) are not accurate. In this work we revised an analysis…
astro-ph2008★ 75 cited
Long-term variability of the optical spectra of NGC 4151: I. Light curves and flux correlations
A. I. Shapovalova, L. C. Popovic, S. Collin +13
Results of a long-term spectral monitoring of the active galactic nucleus of NGC 4151 are presented (11 years, from 1996 to 2006). High quality spectra (S/N>50 in the continuum nea…
astro-ph2008★ 4 cited
The Brightness of the Galactic Radio Loops at 1420 MHz: Some Indications for the Existence of Loops V and VI
V. Borka, J. Milogradov-Turin, D. Urošević
In this article we use 1420 MHz data to demonstrate the likely reality of Galactic radio Loops V and VI. We further estimate distances and spectral indices for both these and the f…