Unveiling the near-infrared structure of the massive-young stellar object NGC 3603 IRS 9A* with sparse aperture masking and spectroastrometry

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Volume 588 (April 2016)

A&A, 588 (2016) A117

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Table 1

Observing log of VLT/NaCo-SAM imaging observations taken on March 12, 2012.

Time (UT)	Source	Filter	NDIT^a	DIT^b	Camera

05h 05m	IRS 9A	K_s	8.0	10.0	S27
05h 20m	HD 98194^c	K_s	8.0	10.0	S27
05h 32m	IRS 9A	K_s	8.0	10.0	S27
05h 46m	HD 98133^c	K_s	8.0	10.0	S27
06h 00m	IRS 9A	K_s	8.0	10.0	S27
06h 15m	HD 98194^c	K_s	8.0	10.0	S27
06h 27m	IRS 9A	K _s	8.0	10.0	S27
06h 39m	HD 98133^c	K _s	8.0	10.0	S27
07h 10m	IRS 9A	L ′	126	0.5	L27
07h 22m	HD 97398^c	L ′	126	0.5	L27
07h 30m	IRS 9A	L ′	126	0.5	L27
07h 41m	HD 98133^c	L ′	126	0.5	L27
07h 50m	IRS 9 A	L ′	126	0.5	L27
08h 02m	HD 97398^c	L ′	126	0.5	L27
08h 13m	IRS 9A	L ′	126	0.5	L27
08h 27m	HD 98133^c	L ′	126	0.5	L27

Notes.

^(a)

Number of exposures.

^(b)

Detector integration time in seconds. The total integration time of each observation amounts to N×DIT×NDIT.

^(c)

Stars used as calibrators of the sparse aperture masking data.

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