GTC/CanariCam mid-IR imaging of the fullerene-rich planetary nebula IC 418
The formation process(es) of fullerenes in space is still uncertain and several mechanisms have been proposed in the literature. In particular, the most accepted idea to explain the simultaneous presence of fullerenes and PAH-like emission in the H-rich circumstellar envelopes of PNe is that these m...
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| Veröffentlicht in: | Proceedings of the International Astronomical Union 2016-10, Vol.12 (S323), p.150-154 |
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| creator | Díaz-Luis, J. J. García-Hernández, D. A. Manchado, A. García-Lario, P. Villaver, E. García-Segura, G. |
| description | The formation process(es) of fullerenes in space is still uncertain and several mechanisms have been proposed in the literature. In particular, the most accepted idea to explain the simultaneous presence of fullerenes and PAH-like emission in the H-rich circumstellar envelopes of PNe is that these molecular species may be formed from the photochemical processing of a carbonaceous compound with a mixture of aromatic and aliphatic structures, which should be a major constituent of their circumstellar envelopes. Here we present seeing-limited narrow-band mid-IR GTC/CanariCam images of the fullerene-containing PN IC 418. The narrow-band images cover the 9−13, 11.3, and 17.4 μm emission features (and their adjacent continua) in this extended PN. We study the relative sub-arcsecond spatial distribution of the nebula in these filters with the intention of getting some clues about the formation process of fullerenes in H-rich circumstellar environments. |
| doi_str_mv | 10.1017/S1743921317001478 |
| format | Article |
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J. ; García-Hernández, D. A. ; Manchado, A. ; García-Lario, P. ; Villaver, E. ; García-Segura, G.</creator><creatorcontrib>Díaz-Luis, J. J. ; García-Hernández, D. A. ; Manchado, A. ; García-Lario, P. ; Villaver, E. ; García-Segura, G.</creatorcontrib><description>The formation process(es) of fullerenes in space is still uncertain and several mechanisms have been proposed in the literature. In particular, the most accepted idea to explain the simultaneous presence of fullerenes and PAH-like emission in the H-rich circumstellar envelopes of PNe is that these molecular species may be formed from the photochemical processing of a carbonaceous compound with a mixture of aromatic and aliphatic structures, which should be a major constituent of their circumstellar envelopes. Here we present seeing-limited narrow-band mid-IR GTC/CanariCam images of the fullerene-containing PN IC 418. The narrow-band images cover the 9−13, 11.3, and 17.4 μm emission features (and their adjacent continua) in this extended PN. 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Here we present seeing-limited narrow-band mid-IR GTC/CanariCam images of the fullerene-containing PN IC 418. The narrow-band images cover the 9−13, 11.3, and 17.4 μm emission features (and their adjacent continua) in this extended PN. We study the relative sub-arcsecond spatial distribution of the nebula in these filters with the intention of getting some clues about the formation process of fullerenes in H-rich circumstellar environments.</description><subject>Aliphatic compounds</subject><subject>Aromatic compounds</subject><subject>Astronomy</subject><subject>Contributed Papers</subject><subject>Emission analysis</subject><subject>Fullerenes</subject><subject>Infrared imaging</subject><subject>Molecular chains</subject><subject>Photochemicals</subject><subject>Planet formation</subject><subject>Planetary nebulae</subject><subject>Spatial distribution</subject><subject>Stellar envelopes</subject><issn>1743-9213</issn><issn>1743-9221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kM1OwzAQhC0EEqXwANwscQ712k4cH1EEbVElJCjnyLHXbar8FCc59O1J1QoOiNOsVvPNaoeQe2CPwEDNPkBJoTkIUIyBVOkFmRxXkeYcLn9mENfkput2jMkkFfGEvM7X2SwzjQllZmpaly5avtOyNpuy2dDW036L1A9VhQEbjEJpt3RfmQZ7Ew60wWKoDF1mVEJ6S668qTq8O-uUfL48r7NFtHqbL7OnVWQF8D5CxtEpdBK1T7iWAD5BYbxPHLcsVkKo1KEoRo2TxFrtLDeMS8m1Vd4oMSUPp9x9aL8G7Pp81w6hGU_mnIk45kxrPrrg5LKh7bqAPt-H8a1wyIHlx8ryP5WNjDgzpi5C6Tb4G_0_9Q2ph2r9</recordid><startdate>20161001</startdate><enddate>20161001</enddate><creator>Díaz-Luis, J. 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| subjects | Aliphatic compounds Aromatic compounds Astronomy Contributed Papers Emission analysis Fullerenes Infrared imaging Molecular chains Photochemicals Planet formation Planetary nebulae Spatial distribution Stellar envelopes |
| title | GTC/CanariCam mid-IR imaging of the fullerene-rich planetary nebula IC 418 |
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