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Studying the Innermost Jet of M87 with mm-VLBI Observations

J.-Y. Kim, T. P. Krichbaum, Ru-Sen Lu, M. Bremer, A. Zensus, R. C. Walker, the M87 collaboration

Труды ИПА РАН, вып. 40, 117–121 (2017)

Ключевые слова: Galaxies: active, Galaxies: individual (M87), Galaxies: jets, Techniques: interferometric

Аннотация

M87 is one of the nearest AGN with a pronounced jet and hosting a central supermassive black hole (SMBH). The close distance to the source and the large mass of the central SMBH make M87 an ideal target to investigate various aspects on the formation and evolution of relativistic jets on the smallest spatial scale. Here, we present preliminary results from our ongoing study on M87 based on global VLBI observations at 86 GHz. GMVA observations in May 2015 resulted in a new image showing a complex jet morphology on sub-mas scales. Stacking available VLBI images obtained at different epochs reveals a persistent shape of the jet base. This allows us to trace the jet collimation from 100Rsch down to ∼50Rsch.

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J.-Y. Kim, T. P. Krichbaum, Ru-Sen Lu, M. Bremer, A. Zensus, R. C. Walker, the M87 collaboration. Studying the Innermost Jet of M87 with mm-VLBI Observations // Труды ИПА РАН. — 2017. — Вып. 40. — С. 117–121.

@article{kim2017,
  abstract = {M87 is one of the nearest AGN with a pronounced jet and hosting a central supermassive black hole (SMBH). The close distance to the source and the large mass of the central SMBH make M87 an ideal target to investigate various aspects on the formation and evolution of relativistic jets on the smallest spatial scale. Here, we present preliminary results from our ongoing study on M87 based on global VLBI observations at 86 GHz. GMVA observations in May 2015 resulted in a new image showing a complex jet morphology on sub-mas scales. Stacking available VLBI images obtained at different epochs reveals a persistent shape of the jet base. This allows us to trace the jet collimation from 100Rsch down to
∼50Rsch.},
  author = {J.~-Y. Kim and T.~P. Krichbaum and Ru-Sen Lu and M. Bremer and A. Zensus and R.~C. Walker and the~M87 collaboration},
  issue = {40},
  journal = {Труды ИПА РАН},
  keyword = {Galaxies: active, Galaxies: individual (M87), Galaxies: jets, Techniques: interferometric},
  pages = {117--121},
  title = {Studying the Innermost Jet of M87 with mm-VLBI Observations},
  url = {http://iaaras.ru/library/paper/1689/},
  year = {2017}
}

TY  - JOUR
TI  - Studying the Innermost Jet of M87 with mm-VLBI Observations
AU  - Kim, J. -Y.
AU  - Krichbaum, T. P.
AU  - Lu, Ru-Sen
AU  - Bremer, M.
AU  - Zensus, A.
AU  - Walker, R. C.
AU  - collaboration, the M87
PY  - 2017
T2  - Труды ИПА РАН
IS  - 40
SP  - 117
AB  - M87 is one of the nearest AGN with a pronounced jet and hosting a
central supermassive black hole (SMBH). The close distance to the
source and the large mass of the central SMBH make M87 an ideal
target to investigate various aspects on the formation and evolution
of relativistic jets on the smallest spatial scale. Here, we present
preliminary results from our ongoing study on M87 based on global
VLBI observations at 86 GHz. GMVA observations in May 2015 resulted
in a new image showing a complex jet morphology on sub-mas scales.
Stacking available VLBI images obtained at different epochs reveals a
persistent shape of the jet base. This allows us to trace the jet
collimation from 100Rsch down to  ∼50Rsch.
UR  - http://iaaras.ru/library/paper/1689/
ER  -