The 15–20 μm PAH emission features: probes of individual PAHs?

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Table 1:

Astrometric data.
Object	$\alpha$ [h m s] (2000)	$\delta$ [ $^{\circ}\ ^{\prime}\ ^{\prime\prime}$ ] (2000)	Distance [pc]	Ref.	Type of object
NGC 7023	21 01 36.9	+68 09 49	430	1	reflection nebula
NGC 2023	05 41 37.9	-02 15 52	470	2	reflection nebula
NGC 4736	12 50 53.2	+41 07 14	$5.0\times 10^{6}$	3	LINER galaxy
HD 36917	05 34 46.9	-05 34 15	510	4	Herbig Ae/Be star
HD 37411	05 38 14.5	-05 25 13	510	4	Herbig Ae/Be star
CN1-5	18 29 11.6	-31 29 59	$46\times 10^{2}$	5	planetary nebula
NGC 6567	18 13 45.1	-19 04 34	$24\times 10^{2}$	6	planetary nebula
LMC SMP036	05 10 39.7	-68 36 04	$51\times 10^{3}$	7	planetary nebula
LMC SMP038	05 11 23.8	-70 01 57	$51\times 10^{3}$	7	planetary nebula
LMC SMP061	05 24 36.0	-73 40 39	$51\times 10^{3}$	7	planetary nebula
IRAS 12063-6259	12 09 01.2	-63 15 56	$95\times 10^{2}$	8	H II region
Orion Bar Pos 1	05 35 18.3	-05 24 42	430	1	H II region
Orion Bar Pos 2	05 35 12.1	-05 26 09	430	1	H II region

References. (1) van den Ancker et al. (1997); (2) Perryman et al. (1997); (3) Smith et al. (2007b); (4) de Zeeuw et al. (1999); (5) Stanghellini & Pasquali (1995); (6) Cahn et al. (1992); (7) Kovács (2000); (8) Caswell & Haynes (1987).

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