SIMBAD references

2014ApJ...795L..16K - Astrophys. J., 795, L16 (2014/November-1)

Near-infrared circular polarization survey in star-forming regions: correlations and trends.

KWON J., TAMURA M., HOUGH J.H., KUSAKABE N., NAGATA T., NAKAJIMA Y., LUCAS P.W., NAGAYAMA T. and KANDORI R.

Abstract (from CDS):

We have conducted a systematic near-infrared circular polarization (CP) survey in star-forming regions, covering high-mass, intermediate-mass, and low-mass young stellar objects. All the observations were made using the SIRPOL imaging polarimeter on the Infrared Survey Facility 1.4 m telescope at the South African Astronomical Observatory. We present the polarization properties of 10 sub-regions in 6 star-forming regions. The polarization patterns, extents, and maximum degrees of linear and circular polarizations are used to determine the prevalence and origin of CP in the star-forming regions. Our results show that the CP pattern is quadrupolar in general, the CP regions are extensive, up to 0.65 pc, the CP degrees are high, up to 20%, and the CP degrees decrease systematically from high- to low-mass young stellar objects. The results are consistent with dichroic extinction mechanisms generating the high degrees of CP in star-forming regions.

Abstract Copyright:

Journal keyword(s): dust, extinction - infrared: ISM - ISM: magnetic fields - polarization - stars: formation - surveys

Simbad objects: 22

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2021.03.05-21:46:25

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