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Table 1

Observation log.

Object α δ Date of Integration time Standard star FWHM


(J2000.0) observation N band Q band PAH1 SiC [Ne ii] Q1
(s) (s) (′′) (′′) (′′) (′′)

IRAS 15534−5422 15h57m2111 –54°30′464 2011-05-25 600 900 HD 133550 0.28 0.37 0.35 0.46
IRAS 17009−4154 17h04m296 –41°58′389 2010-05-24 300 450 HD 163376 0.31 0.36 0.38 0.48
IRAS 18229−1127 18h25m450 –11°25′56″ 2010-06-14 600 600 HD 169916 0.34 0.51 0.42 0.49
IRAS 18454+0001 18h48m015 +00°04′47″ 2010-06-22 840 1320 HD 168723 0.28 0.35 0.35 0.49

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