SIMBAD references

2025PASJ...77..890K - Publ. Astron. Soc. Jap., 77, 890-898 (2025/April-0)

Magnetic fields in the massive star-forming region NGC 6334 and their relationship with the properties of dust filaments probed by [C II] and PAH emissions.

KUSUNE T., TSUJI H., OYABU S., KANEDA H., SUZUKI T., YASUDA A., OJHA D., GHOSH S.K., SINGH K. and NINAN J.P.

Abstract (from CDS):

We carried out the near-infrared ($JHK_{\rm s}$) imaging polarimetric observation with the polarimeter SIRPOL on the Infrared Survey Facility (IRSF) 1.4 m telescope and [C II] line mapping observation with a Fabry-Pérot spectrometer on board a 100 cm TIFR balloon-borne far-infrared telescope toward NGC 6334, We reveal the relationship between the plane-of-sky (POS) magnetic fields and [C II] emission lines to investigate the star formation in the molecular cloud. The polarization vector map shows that the POS magnetic fields are approximately perpendicular to the main filament elongation of NGC 6334. However, the POS magnetic fields tend to be parallel or random for the other filaments in NGC 6334. The [C II] emission shows a distribution well aligned with the main filament. Strong [C II] emission is also seen in the hub-filament system. Because the main filament is sandwiched between two H II regions, it is most likely that gas is efficiently accreting from the shells of the H II regions along the magnetic field, resulting in active star formation. This is consistent with NGC 6334 being bright in [C II] emission.

Abstract Copyright: © The Author(s) 2025. Published by Oxford University Press on behalf of the Astronomical Society of Japan.

Journal keyword(s): ISM: individual objects (NGC 6334) - ISM: lines and bands - ISM: magnetic fields

Simbad objects: 3

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