2014MNRAS.440.2988G

Query : 2014MNRAS.440.2988G

2014MNRAS.440.2988G - Mon. Not. R. Astron. Soc., 440, 2988-2996 (2014/June-1)

A quantum mechanical approach to establishing the magnetic field orientation from a maser Zeeman profile.

GREEN J.A., GRAY M.D., ROBISHAW T., CASWELL J.L. and McCLURE-GRIFFITHS N.M.

Abstract (from CDS):

Recent comparisons of magnetic field directions derived from maser Zeeman splitting with those derived from continuum source rotation measures have prompted new analysis of the propagation of the Zeeman split components, and the inferred field orientation. In order to do this, we first review differing electric field polarization conventions used in past studies. With these clearly and consistently defined, we then show that for a given Zeeman splitting spectrum, the magnetic field direction is fully determined and predictable on theoretical grounds: when a magnetic field is oriented away from the observer, the left-hand circular polarization is observed at higher frequency and the right-hand polarization at lower frequency. This is consistent with classical Lorentzian derivations. The consequent interpretation of recent measurements then raises the possibility of a reversal between the large-scale field (traced by rotation measures) and the small-scale field (traced by maser Zeeman splitting).

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): magnetic fields - masers - polarization - radiative transfer

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1064 2

Query : 2014MNRAS.440.2988G

Basic data :
NAME W 3 OH -- HII Region
Other object types: otypes_help 		IR (IRAS,IRCO,...), Rad (GRS,W,...), HII (1996A&AS,[BNM96]), SFR (2016MNRAS), Cld ([RE69]), Mas (OH)
ICRS coord. (ep=J2000) : 		02 27 04.1 +61 52 22 [ ] D ~
FK4 coord. (ep=B1950 eq=1950) : 		02 23 16.7 +61 38 54 [ ]
Gal coord. (ep=J2000) : 		133.9481 +01.0637 [ ]
VLSR : 		-46.4 -49.0 -43.8 [0.13] (Rad) 1996A&AS..115...81B
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Identifiers (13) :
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NAME W 3 OH OH 133.9+01.1 [BNM96] 133.943+1.059 [SD73] 10
GRS G133.90 +01.10 RAFGL 331 [KCW94] 133.947+01.064
IRAS 02232+6138 WB89 422 [LG97] B02232+6138
IRCO 3556 W 3(OH) [RE69] 022316.8+613854

References (1064 between 1850 and 2026) (Total 1064)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 5    Distance : 1   

   

Observing logs
Herschel : 37    ISO : 19   

   

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Data at NED - NASA/IPAC Extragalactic Database : NAME W 3 OH

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IRAS 02232+6138 RAFGL 331

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