Direct imaging of extra-solar planets in star forming regions - Lessons learned from a false positive around IM Lupi

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Table 3

Astrometry of the point source to the NE, along with its relative and absolute photometry.

Data set	Filter	SNR	Δα (″)	Δδ (″)	m	M^a

NICMOS 2005	F160W	≃ 3
NACO 2008	Ks	≃ 10
NACO 2010	Lp	≃ 2
NACO 2011	Ks	≃ 10
NACO 2011^b	H	≃ 5

Notes.

^(a)

Assuming physical association. The error bars include the distance uncertainty (140–190 pc).

^(b)

The error bars are large due to the presence of the diffraction pattern of the telescope spiders close to the point source.

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