Low frequency radio spectrum and spectral turnover of LS 5039
arXiv:0807.2384 · doi:10.1111/j.1745-3933.2008.00532.x
Abstract
LS 5039, a possible black hole x-ray binary, was recently observed with Giant Meterwave Radio Telescope. The observed spectrum presented here shows that the spectrum is inverted at the low frequency. When combined with the archival data with orbital phase similar to the present observations, it shows a clear indication of a spectral turnover. The combined data are fitted with a broken power-law and the break frequency signifies a possible spectral turnover of the spectrum around 964 MHz. Truly simultaneous observations in radio wavelength covering a wide range of frequencies are required to fix the spectrum and the spectral turn over which will play a crucial role in developing a deeper understanding of the radio emitting jet in LS 5039.
arXiv commentAccepted for publication in MNRAS Letters
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Cited by in corpus (8)
- Gamma-ray binaries and related systems
- The radio counterpart of the likely TeV binary HESS J0632+057
- Periodic morphological changes in the radio structure of the gamma-ray binary LS 5039
- Physical properties of the gamma-ray binary LS 5039 through low and high frequency radio observations
- On the origin of LS 5039 and PSR J1825-1446
- The Application of Continuous Wavelet Transform Based Foreground Subtraction Method in 21 cm Sky Surveys
- Studying the properties of the radio emitter in LS 5039
- Low frequency radio spectrum of LS 5039 during periastron and apastron passages