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Cylinder Map-Making Results Shifan Zuo NAOC July 25, 2019 - PowerPoint PPT Presentation

Cylinder Map-Making Results Shifan Zuo NAOC July 25, 2019 Observational Data We use data observed in 2018/03/22 2018/03/28. Use Cygnus A as calibrator with flux given in Perley and Butler, 2017. Cyg A Tau A Cas A 2 / 3 Map-Making Map


  1. Cylinder Map-Making Results Shifan Zuo NAOC July 25, 2019

  2. Observational Data We use data observed in 2018/03/22 – 2018/03/28. Use Cygnus A as calibrator with flux given in Perley and Butler, 2017. Cyg A Tau A Cas A 2 / 3

  3. Map-Making Map made by using Tikhonov-regularization based m -mode method. � v m B m ij,l a m l + n m ij = ij l v = B a a = ( B † B + ǫ I ) − 1 B † v ˆ 3 / 3

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