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http://hdl.handle.net/2445/63188
Title: | 3D kinematics of the near-IR HH 223 outflow in L723 |
Author: | López Hermoso, Rosario Acosta-Pulido José A. Estalella, Robert Gómez, G. García-Lorenzo, B. |
Keywords: | Radioastronomia Jets (Astrofísica) Estels Radio astronomy Astrophysical jets Stars |
Issue Date: | 2015 |
Publisher: | Royal Astronomical Society |
Abstract: | 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<br>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<br>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 μm line) images. Radial velocities were derived from the 2.122 μm 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. |
Note: | Reproducció del document publicat a: http://doi.dx.org/10.1093/mnras/stu2607 |
It is part of: | Monthly Notices of the Royal Astronomical Society, 2015, vol. 447, num. 3, p. 2588-2602 |
URI: | http://hdl.handle.net/2445/63188 |
Related resource: | http://dx.doi.org/10.1093/mnras/stu2607 |
ISSN: | 0035-8711 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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File | Description | Size | Format | |
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646928.pdf | 2.91 MB | Adobe PDF | View/Open |
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