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3D kinematics of the near-IR HH 223 outflow in L723

Lopez, R ; Acosta-Pulido, J A ; Estalella, R ; Gomez, G ; Garcia-Lorenzo, B

Monthly notices of the Royal Astronomical Society, 2015-03, Vol.447 (3), p.2588-2588 [Periódico revisado por pares]

London: Oxford University Press

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  • Título:
    3D kinematics of the near-IR HH 223 outflow in L723
  • Autor: Lopez, R ; Acosta-Pulido, J A ; Estalella, R ; Gomez, G ; Garcia-Lorenzo, B
  • Assuntos: Astronomy ; Astrophysical jets ; Carbon monoxide ; Clouds ; Estels ; Excitation ; Jets (Astrofísica) ; Kinematics ; Metal oxide semiconductors ; Outflow ; Radio astronomy ; Radioastronomia ; Space telescopes ; Spectrographs ; Spectrum analysis ; Stars ; Three dimensional ; Three dimensional imaging
  • É parte de: Monthly notices of the Royal Astronomical Society, 2015-03, Vol.447 (3), p.2588-2588
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: In this work, we derive the full 3D kinematics of the near-infrared outflow HH 223, located in the dark cloud Lynds 723 (L723), where a well-defined quadrupolar CO outflow is found. HH 223 appears projected on to the two lobes of the east-west CO outflow. The radio continuum source VLA 2, towards the centre of the CO outflow, harbours a multiple system of low-mass young stellar objects. One of the components has been proposed to be the exciting source of the east-west CO outflow. From the analysis of the kinematics, we get further evidence on the relationship between the near-infrared and CO outflows and on the location of their exciting source. The proper motions were derived using multi-epoch, narrow-band H2 (2.122 mu m line) images. Radial velocities were derived from the 2.122 mu m line of the spectra. Because of the extended (~5 arcmin), S-shaped morphology of the target, the spectra were obtained with the multi-object-spectroscopy (MOS) observing mode using the instrument Long-Slit Intermediate Resolution Infrared Spectrograph (LIRIS) at the 4.2 m William Herschel Telescope. To our knowledge, this work is the first time that MOS observing mode has been successfully used in the near-infrared range for an extended target.
  • Editor: London: Oxford University Press
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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