389BF90C-2777-48B8-AC52-31DABD7D7803Armagh Observatory Visitor Support Grant: 2010-2013Research GrantST/H001921/10FA7FA45-02C9-433E-A750-12A20140208FSTFCINCOME_ACTUAL12763C781452E-7317-4FCB-B709-1516495F2463The importance of non-photon noise in stellar spectropolarimetry The spurious detection of a non-existing magnetic field in the A0 supergiant HD 92207Astronomy & Astrophysics15fb4bef22364ec1d504198445c697d9Bagnulo S2013-01-01http://dx.doi.org/10.1051/0004-6361/201322319http://dx.doi.org/10.1051/0004-6361/201322319Journal Article/Review58c813aa671e78.80865770