2000A&A...358..572M


Query : 2000A&A...358..572M

2000A&A...358..572M - Astronomy and Astrophysics, volume 358, 572-574 (2000/6-2)

Continuum optical circular polarisation in the young O star θ1 OrionisC?

MOFFAT A.F.J. and EVERSBERG T.

Abstract (from CDS):

Recently, Donati & Wade (1999A&A...341..216D) have claimed rather spectacular, large, variable circular polarisation in the optical continuum of Θ1 Orionis C, obtained with the echelle spectropolarimeter MuSiCoS. However, based on experience with the William-Wehlau spectropolarimeter, a similar unit using two fiber feeds, we suggest that this is the spurious result of instrumental effects. We propose a remedy to eliminate the effect.

Abstract Copyright:

Journal keyword(s): instrumentation: polarimeters - methods: observational - techniques: polarimetric - stars: individual: theta1 Ori C - stars: magnetic fields - stars: early-type

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 * tet01 Ori C SB* 05 35 16.4662967280 -05 23 22.921811880 4.20 5.15 5.13 4.91 4.73 O7Vp 1342 1
2 NAME Trapezium Cluster As* 05 35 16.5 -05 23 14           ~ 1541 1
3 M 42 HII 05 35 17.3 -05 23 28           ~ 3900 0
4 NAME Ori A MoC 05 38 -07.1           ~ 2841 0

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2022.05.23-22:11:47

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