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<p>We are exploring the possibility of carrying out radio interferometric observations of the solar chromosphere at <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12036_2025_10096_Article_IEq1.gif" Format="GIF" Height="10" Rendition="HTML" Resolution="72" Type="Linedraw" Width="17" /> </InlineMediaObject> <EquationSource Format="TEX">\({\approx }\)</EquationSource> <EquationSource Format="MATHML"><math> <mo>≈</mo> </math></EquationSource> </InlineEquation>&#xa0;11.2&#xa0;GHz (<InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12036_2025_10096_Article_IEq2.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="62" /> </InlineMediaObject> <EquationSource Format="TEX">\({\lambda }=2.68\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>λ</mi> <mo>=</mo> <mn>2.68</mn> </mrow> </math></EquationSource> </InlineEquation> cm), in both total intensity (Stokes-I) and circularly polarized intensity (Stokes-V), using low-cost commercial dish TV antennas. Here, we present our initial results on the magnetic field strength (B) estimated using data obtained with a prototype set-up, and compare them with similar observations.</p>

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A prototype radio interferometer system with commercial dish TV antennas for observations of the solar chromospheric magnetic field

  • 期刊论文

  • 发表日期：

    2025年8月31日

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  • C. Kathiravan,
  • G. V. S. Gireesh,
  • Indrajit V. Barve,
  • Shaik Sayuf,
  • R. Ramesh

摘要

We are exploring the possibility of carrying out radio interferometric observations of the solar chromosphere at \({\approx }\) ≈  11.2 GHz ( \({\lambda }=2.68\) λ = 2.68 cm), in both total intensity (Stokes-I) and circularly polarized intensity (Stokes-V), using low-cost commercial dish TV antennas. Here, we present our initial results on the magnetic field strength (B) estimated using data obtained with a prototype set-up, and compare them with similar observations.