2008ApJ...676..408S

Query : 2008ApJ...676..408S

2008ApJ...676..408S - Astrophys. J., 676, 408-415 (2008/March-3)

A survey of 3.3 µm PAH emission in planetary nebulae.

SMITH E.C.D. and McLEAN I.S.

Abstract (from CDS):

Result. are presented from a pilot survey of 3.3 µm PAH emission from planetary nebulae using FLITECAM, an instrument intended for airborne astronomy with SOFIA. The observations were made during ground-based commissioning of FLITECAM's spectroscopic mode at the 3 m Shane Telescope at Lick Observatory. Direct-ruled KRS-5 grisms were used to give a resolving power (R)∼1700. Targets were selected from IRAS, KAO, and ISO sources with previously observed PAH emission at longer wavelengths. AGB stars and PNe with C/O ratios <1 were also added to the target list in order to test PAH detection thresholds. In all, 20 objects were observed. PAH emission was detected in 11 out of 20 observed targets.

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Journal keyword(s): Astrochemistry - Infrared: General - ISM: Planetary Nebulae: General - Stars: AGB and Post-AGB - Techniques: Spectroscopic

Simbad objects: 23

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Number of rows : 23
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 IRAS 02152+2822 C* 02 18 06.0448778784 +28 36 45.348812928           C-rich 52 0
2 * omi Cet Mi* 02 19 20.79210 -02 58 39.4956   7.63 6.53 5.03   M5-9IIIe+DA 1586 0
3 V* R For C* 02 29 15.3077617632 -26 05 55.646585700   12.94 7.50 8.01   C4,3e 206 0
4 PN M 4-18 PN 04 25 50.8356162744 +60 07 12.780446700   14.22 13.96     [WC11] 192 0
5 PN VV 28 PN 06 25 57.2710426104 +17 47 27.136548168     12.5     [WC] 298 0
6 NGC 3242 PN 10 24 46.1335521792 -18 38 32.296857792   11.83 12.15     ~ 838 1
7 NGC 3235 rG 10 24 59.3053740864 +28 01 26.011643916   14.7       ~ 28 0
8 NGC 6210 PN 16 44 29.5191019368 +23 47 59.421958296   12.3 11.7     Of/[WR] 597 0
9 PN M 2-9 PN 17 05 37.96152 -10 08 32.5068           ~ 532 0
10 PN Hb 5 PN 17 47 56.20 -29 59 39.6   10.50 10.78     ~ 274 0
11 PN M 2-43 PN 18 26 40.0500205632 -02 42 57.364170912     15.7     [WC7/8] 127 0
12 SS 438 PN 19 14 59.7259060224 +17 22 46.027654716   14.715 13.582 13.179   B9IV:e 49 0
13 NGC 6790 PN 19 22 56.972976 +01 30 46.40112   12.247 10.504 12.684   wels 329 0
14 HD 184738 PN 19 34 45.2337620448 +30 30 58.950651240   10.41 10.44     [WC9] 976 0
15 NGC 6886 PN 20 12 42.83016 +19 59 22.6320   13.053 11.719     ~ 325 1
16 Hen 2-459 PN 20 13 57.8909464128 +29 33 55.874044764   14.10 12.67     [WC9] 110 0
17 PN M 3-35 PN 20 21 03.7631843136 +32 29 24.005231700   15.56 15.30     ~ 102 0
18 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2541 1
19 [D75b] Em* 21-021 PN 21 29 58.4711786760 +51 04 00.323924520   15.66 14.20 13.89   O7(f)/[WC11] 259 0
20 IC 5117 PN 21 32 30.96912 +44 35 47.5404           ~ 310 1
21 RAFGL 3068 C* 23 19 12.60744 +17 11 33.1332           C 288 1
22 * b01 Aqr PM* 23 22 58.2258307196 -20 06 02.095519871 6.03 5.08 3.98 3.16 2.56 K1III 101 0
23 IRC +40540 C* 23 34 27.5185864392 +43 33 01.323347256     15.12     C8,3.5eJ 184 0

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