2009ApJ...692L..88F

Query : 2009ApJ...692L..88F

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 K_s band and correlations of CP, linear polarization (LP), and H - K_s color representing extinction. The CP image clearly reveals the quadrupolar structure around the massive star IRc2, rather than BN. H - K_s 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.

Abstract Copyright: ∼

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

Simbad objects: 7

Full paper

View the references in ADS

Number of rows : 7

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Sp type	#ref 1850 - 2026	#notes
1	NAME OMC-1	MoC	05 35 14	-05 22.4	~	1249	2
2	V* V2254 Ori	Or*	05 35 14.11296	-05 22 22.7316	B	320	2
3	NAME Orion-KL	SFR	05 35 14.16	-05 22 21.5	~	2421	1
4	[RLK73] IRc 2	IR	05 35 14.51548	-05 22 30.5943	~	673	1
5	NAME Ori Trapezium	OpC	05 35 16.5	-05 23 14	~	1708	1
6	M 42	HII	05 35 16.8	-05 23 15	~	4411	0
7	NAME Ori Region	reg	05 35 17.30	-05 23 28.0	~	623	0

To bookmark this query, right click on this link: simbad:objects in 2009ApJ...692L..88F and select 'bookmark this link' or equivalent in the popup menu