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Multiview Phase Corrections at Low Frequencies for Precise Astrometry

G. Orosz, M. J. Rioja, R. Dodson, H. Imai, S. Frey5

Труды ИПА РАН, вып. 40, 34–39 (2017)

Ключевые слова: VLBI, astrometry, technique, radio continuum, masers

Аннотация

We present a multi-calibrator solution, i. e. MultiView, to achieve accurate astrometry on the level of the thermal noise at low VLBI frequencies dominated by ionospheric residuals. We demonstrate on L-band VLBA observations how Multi- View provides superior astrometry to conventional phase referencing techniques [1]. We also introduce a new trial method to detect antenna based systematic errors in the observations [2]. All presented methods and results are based on our recent papers [2, 1].

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G. Orosz, M. J. Rioja, R. Dodson, H. Imai, S. Frey5. Multiview Phase Corrections at Low Frequencies for Precise Astrometry // Труды ИПА РАН. — 2017. — Вып. 40. — С. 34–39.

@article{orosz2017,
  abstract = {We present a multi-calibrator solution, i. e. MultiView, to achieve accurate astrometry on the level of the thermal noise at low VLBI frequencies dominated by ionospheric residuals. We demonstrate on L-band VLBA observations how Multi- View provides superior astrometry to conventional phase referencing techniques [1]. We also introduce a new trial method to detect antenna based systematic errors in the observations [2]. All presented methods and results are based on our recent papers [2, 1].},
  author = {G. Orosz and M.~J. Rioja and R. Dodson and H. Imai and S. Frey5},
  issue = {40},
  journal = {Труды ИПА РАН},
  keyword = {VLBI, astrometry, technique, radio continuum, masers},
  pages = {34--39},
  title = {Multiview Phase Corrections at Low Frequencies for Precise Astrometry},
  url = {http://iaaras.ru/library/paper/1676/},
  year = {2017}
}

TY  - JOUR
TI  - Multiview Phase Corrections at Low Frequencies for Precise Astrometry
AU  - Orosz, G.
AU  - Rioja, M. J.
AU  - Dodson, R.
AU  - Imai, H.
AU  - Frey5, S.
PY  - 2017
T2  - Труды ИПА РАН
IS  - 40
SP  - 34
AB  - We present a multi-calibrator solution, i. e. MultiView, to achieve
accurate astrometry on the level of the thermal noise at low VLBI
frequencies dominated by ionospheric residuals. We demonstrate on
L-band VLBA observations how Multi- View provides superior astrometry
to conventional phase referencing techniques [1]. We also introduce a
new trial method to detect antenna based systematic errors in the
observations [2]. All presented methods and results are based on our
recent papers [2, 1].
UR  - http://iaaras.ru/library/paper/1676/
ER  -