Table 1: Summary of observations.

Date Filter and $\lambda_{\rm c}$ Telescope/Camera FOV^a PSF FWHM Ref. star

1999 Sep. J 1.25 $\mu$ m ANTU/ISAAC 151'' 0 $.\!\!^{\prime\prime}$ 55 S234-E, S071-D

1999 Sep. H 1.65 $\mu$ m " 151'' 0 $.\!\!^{\prime\prime}$ 65 S234-E, S071-D

1999 Sep. $K_{\rm s}$ 2.16 $\mu$ m " 151'' 0 $.\!\!^{\prime\prime}$ 55 S234-E, S071-D

2001 May nb_K 2.09 $\mu$ m " ^b 151'' 0 $.\!\!^{\prime\prime}$ 65

2001 May H₂(1-0)S1 2.122 $\mu$ m " 151'' 0 $.\!\!^{\prime\prime}$ 48

2001 May Br $~ \gamma$ 2.166 $\mu$ m " 151'' 0 $.\!\!^{\prime\prime}$ 44

2001 Jun. L' 3.78 $\mu$ m " 79'' 0 $.\!\!^{\prime\prime}$ 55 $\times$ 0 $.\!\!^{\prime\prime}$ 42 HR 6070

2001 Jun. Br $~ \alpha$ 4.07 $\mu$ m " 79'' 0 $.\!\!^{\prime\prime}$ 48 $\times$ 0 $.\!\!^{\prime\prime}$ 41 HR 6070

2001 Jun. nb_M 4.66 $\mu$ m " 79'' 0 $.\!\!^{\prime\prime}$ 47 $\times$ 0 $.\!\!^{\prime\prime}$ 40 HR 6070

2003 Jul. N1 8.70 $\mu$ m ESO 3.6-m/TIMMI2 $64'' \times 48''$ 0 $.\!\!^{\prime\prime}$ 86 HD 169916

1999 Jun. N 11.70 $\mu$ m 5-m Hale/SC-10 16'' 0 $.\!\!^{\prime\prime}$ 76 $\delta$ Oph

2003 Jul. Q2 18.75 $\mu$ m ESO 3.6-m/TIMMI2 $64'' \times 48''$ 1 $.\!\!^{\prime\prime}$ 60 HD 187642

^a Field of view for single frames, respectively.
^b Imaging polarimetry with Wollaston prism and slit mask in the optical path.

**Table 1:** Summary of observations.
Date	Filter and $\lambda_{\rm c}$	Telescope/Camera	FOV^a	PSF FWHM	Ref. star
1999 Sep.	J 1.25 $\mu$ m	ANTU/ISAAC	151''	0 $.\!\!^{\prime\prime}$ 55	S234-E, S071-D
1999 Sep.	H 1.65 $\mu$ m	"	151''	0 $.\!\!^{\prime\prime}$ 65	S234-E, S071-D
1999 Sep.	$K_{\rm s}$ 2.16 $\mu$ m	"	151''	0 $.\!\!^{\prime\prime}$ 55	S234-E, S071-D
2001 May	nb_K 2.09 $\mu$ m	"	^b 151''	0 $.\!\!^{\prime\prime}$ 65
2001 May	H₂(1-0)S1 2.122 $\mu$ m	"	151''	0 $.\!\!^{\prime\prime}$ 48
2001 May	Br $~ \gamma$ 2.166 $\mu$ m	"	151''	0 $.\!\!^{\prime\prime}$ 44
2001 Jun.	L' 3.78 $\mu$ m	"	79''	0 $.\!\!^{\prime\prime}$ 55 $\times$ 0 $.\!\!^{\prime\prime}$ 42	HR 6070
2001 Jun.	Br $~ \alpha$ 4.07 $\mu$ m	"	79''	0 $.\!\!^{\prime\prime}$ 48 $\times$ 0 $.\!\!^{\prime\prime}$ 41	HR 6070
2001 Jun.	nb_M 4.66 $\mu$ m	"	79''	0 $.\!\!^{\prime\prime}$ 47 $\times$ 0 $.\!\!^{\prime\prime}$ 40	HR 6070
2003 Jul.	N1 8.70 $\mu$ m	ESO 3.6-m/TIMMI2	$64'' \times 48''$	0 $.\!\!^{\prime\prime}$ 86	HD 169916
1999 Jun.	N 11.70 $\mu$ m	5-m Hale/SC-10	16''	0 $.\!\!^{\prime\prime}$ 76	$\delta$ Oph
2003 Jul.	Q2 18.75 $\mu$ m	ESO 3.6-m/TIMMI2	$64'' \times 48''$	1 $.\!\!^{\prime\prime}$ 60	HD 187642

Source LaTeX | All tables | In the text

	1 Introduction
	2 Infrared observations
	3 Results
	4 Discussion
	5 Conclusions
	References
	Online Material
	Appendix A: NIR astrometry
	Appendix B: Correct position of the compact MIR emission in G9.62+0.19-F
	Appendix C: MIR image restoration