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| Query : 2002ApJ...567..412V |
2002ApJ...567..412V - Astrophys. J., 567, 412-422 (2002/March-1)
Infrared space observatory observations of the unidentified 30 micron feature in proto-planetary nebulae.
VOLK K., KWOK S., HRIVNAK B.J. and SZCZERBA R.
Abstract (from CDS):
The intrinsic emission profile of the unidentified broad 30 µm emission feature is derived from Infrared Space Observatory (ISO) spectra of proto-planetary nebulae (PPNs). The feature is resolved into two components: a narrower feature at 26 µm and a broader feature at 33 µm. The intrinsic profiles of these two features and their varying strengths in PPNs are determined. The chemical origin of these features and the processes responsible for their changing strengths from asymptotic giant branch (AGB) stars to PPNs to planetary nebulae are discussed.
Abstract Copyright: ∼
Journal keyword(s): Stars: Circumstellar Matter - Infrared: Stars - ISM: Lines and Bands - ISM: Planetary Nebulae: General - Radiative Transfer - Stars: AGB and Post-AGB
Simbad objects: 14
| Number of rows : 14 |
| 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 Z02229+6208 | pA* | 02 26 41.7882689568 | +62 21 21.981286008 | 14.69 | 12.00 | 11.16 | 8.92 | G8-K0_0-Ia: | 65 | 0 | |
| 2 | IC 418 | PN | 05 27 28.2059533560 | -12 41 50.282287764 | 9.405 | 9.010 | 10.118 | O7fp | 1059 | 2 | ||
| 3 | HD 56126 | pA* | 07 16 10.2590823192 | +09 59 47.954735376 | 9.20 | 8.32 | F0/5Ia | 330 | 0 | |||
| 4 | IRC +10216 | C* | 09 47 57.40632 | +13 16 43.5648 | C9,5e | 2455 | 0 | |||||
| 5 | SS 293 | pA* | 17 03 10.0705512504 | -47 00 27.731886516 | Ae | 93 | 0 | |||||
| 6 | NGC 6572 | PN | 18 12 06.3181909152 | +06 51 13.027935240 | 9.3 | 10.8 | [WC] | 761 | 0 | |||
| 7 | HD 187885 | pA* | 19 52 52.7033593752 | -17 01 50.289441096 | 9.25 | 8.68 | 8.32 | F2/6Ia | 185 | 0 | ||
| 8 | IRAS 20000+3239 | LP* | 20 01 59.5133268456 | +32 47 32.799122916 | 16.13 | 13.39 | 11.80 | 10.32 | ~ | 84 | 0 | |
| 9 | NGC 7027 | PN | 21 07 01.571952 | +42 14 10.47120 | 10.358 | 8.831 | 10.157 | ~ | 2541 | 1 | ||
| 10 | RAFGL 5625S | C* | 21 33 22.79496 | +56 44 34.5228 | C | 62 | 0 | |||||
| 11 | HD 235858 | pA* | 22 29 10.3748806056 | +54 51 06.344572284 | 11.40 | 9.52 | 8.47 | 7.34 | G5Ia | 264 | 0 | |
| 12 | IRAS 22574+6609 | pA* | 22 59 18.3496246536 | +66 25 47.940897972 | 19.2 | A1-6I | 56 | 0 | ||||
| 13 | RAFGL 3068 | C* | 23 19 12.60744 | +17 11 33.1332 | C | 288 | 1 | |||||
| 14 | IRAS 23304+6147 | pA* | 23 32 44.7858431592 | +62 03 49.090372272 | 15.36 | 12.99 | 12.23 | 10.50 | G2Ia | 121 | 0 |
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