SIMBAD references

2009ApJ...692L..88F - Astrophys. J., 692, L88-L91 (2009/February-3)

Near-infrared circular polarimetry and correlation diagrams in the Orion Becklin-Neugebauer/Kleinman-Low region: contribution of dichroic extinction.

FUKUE T., TAMURA M., KANDORI R., KUSAKABE N., HOUGH J.H., LUCAS P.W., BAILEY J., WHITTET D.C.B., NAKAJIMA Y., HASHIMOTO J. and NAGATA T.

Abstract (from CDS):

We present a deep circular polarization (CP) image of the Orion Becklin-Neugebauer (BN)/Kleinman-Low (KL) nebula in the Ks band and correlations of CP, linear polarization (LP), and H - Ks color representing extinction. The CP image clearly reveals the quadrupolar structure around the massive star IRc2, rather than BN. H - Ks color is well correlated with CP. A simple relation between dichroic extinction, color excess, CP, and LP is derived. The observed correlation between the Stokes parameters and the color excess agrees with the derived relation, and suggests a major contribution of dichroic extinction to the production of CP in this region, indicating the wide existence of aligned grains.

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Journal keyword(s): circumstellar matter - dust, extinction - infrared: stars - ISM: individual: Orion Kleinman-Low - polarization - stars: formation

Simbad objects: 7

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