Výsledky vyhledávání - "Whittet, DCB"

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Akademický článek

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ISO-SWS observations of interstellar solid (CO2)-C-13: heated ice and the Galactic C-12/C-13 abundance ratio

Autor: Boogert, ACA, Ehrenfreund, P, Gerakines, PA, Tielens, AGGM, Whittet, DCB, Schutte, WA, van Dishoeck, EF, de Graauw, T, Decin, L, Prusti, T

Publikováno v: Astronomy & astrophysics, 353(1), 349-362. EDP Sciences

We present observations of the stretching mode of (CO2)-C-13 ice along 13 lines of sight in the Galaxy, using the Short Wavelength Spectrometer on board of the Infrared Space Observatory (ISO-SWS). Remarkable variations are seen in the absorption ban

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::1d41801fc25284ef300e05f081ab08f3
https://research.rug.nl/en/publications/a86fecd1-df13-45cb-8c30-c68333d2c487

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Infrared Space Observatory with the observations of solid carbon dioxide in molecular clouds

Autor: Gerakines, PA, Whittet, DCB, Ehrenfreund, P, Boogert, ACA, Tielens, AGGM, Schutte, WA, Chiar, JE, van Dishoeck, EF, Prusti, T, Helmich, FP, de Graauw, T

Publikováno v: Astrophysical Journal, 522(1), 357-377. IOP PUBLISHING LTD

Spectra of interstellar CO2 ice absorption features at a resolving power of lambda/Delta lambda approximate to 1500-2000 are presented for 14 lines of sight. The observations were made with the Short-Wavelength Spectrometer (SWS) of the Infrared Spac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::aa505f44bc67495312bd25271106a7a5
https://research.rug.nl/en/publications/ba78d929-a623-49b6-9459-d4cb1cbff1f3

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Weak ice absorption features at 7.24 and 7.41 mu m in the spectrum of the obscured young stellar object W 33A

Autor: Schutte, WA, Boogert, ACA, Tielens, AGGM, Whittet, DCB, Gerakines, PA, Chiar, JE, Ehrenfreund, P, Greenberg, JM, van Dishoeck, EF, de Graauw, T

Publikováno v: Astronomy & astrophysics, 343(3), 966-976. EDP Sciences

ISO-SWS observations of the highly obscured young stellar object W 33A reveal two broad absorption features centered at 7.24 and 7.41 mu m. Comparison to interstellar ice analogs shows that the 7.24 mu m band can be well matched by the CH deformation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::4e021eb3d94ff7a0ae77170bc11918c8
https://research.rug.nl/en/publications/ab34e193-2399-4a39-b565-12c85129fbc3

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Ice absorption features in the 5-8 mu m range

Autor: Keane, JV, Tielens, AGGM, Boogert, ACA, Whittet, DCB, Cox, P, Kessler, MF

Publikováno v: UNIVERSE AS SEEN BY ISO, VOLS I AND II, 683-685
STARTPAGE=683;ENDPAGE=685;TITLE=UNIVERSE AS SEEN BY ISO, VOLS I AND II

ISO-SWS spectra (2 - 45 mu m) have been obtained towards a large number of luminous young stellar objects. Here, we present a study of absorption features towards the two objects NGC: 7538:IRS9 and Mon R2:IRS3, for the spectral region 5 - 8 mu m. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::7757cfec93a9e76b43a2e3795d33d72a
https://research.rug.nl/en/publications/e2de8009-0134-44d6-abb3-56b6ad1c7035

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Laboratory studies of thermally processed H2O-CH3OH-CO2 ice mixtures and their astrophysical implications

Autor: Ehrenfreund, P, Kerkhof, O, Schutte, WA, Boogert, ACA, Gerakines, PA, Dartois, E, d'Hendecourt, L, Tielens, AGGM, van Dishoeck, EF, Whittet, DCB

Publikováno v: Astron. Ap., 350, 240-253
Astronomy & astrophysics, 350(1), 240-253. EDP Sciences

Data of the Infrared Space Observatory ISO have strongly influenced the current view of interstellar ice chemistry. ISO and ground-based results have confirmed that the most abundant ice species in warm regions close to massive protostars are H2O, CO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c4737b8b521df6c8e7cba17893759540
http://hdl.handle.net/1887/2286

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Processing of ICY mantles in protostellar envelopes

Autor: Chiar, JE, Gerakines, PA, Whittet, DCB, Pendleton, YJ, Tielens, AGGM, Adamson, AJ, Boogert, ACA

Publikováno v: Astrophysical Journal, 498(2), 716-727. IOP PUBLISHING LTD

We have obtained CO absorption profiles of several young stellar objects (YSOs), spanning a range of mass and luminosity, in order to investigate their ice mantle composition. We present the first detection of CO toward the class I YSO L1489 IRS in t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::83b4a672f5ade54aac211e054bff7e49
https://research.rug.nl/en/publications/c9fbcf18-9938-42cd-923a-983c910ab309

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ISO-SWS observations of weak bands of trace components of ices towards the young stellar object W 33A

Autor: Schutte, WA, Greenberg, JM, Van Dishoeck, EF, Tielens, AGGM, Boogert, ACA, Whittet, DCB

Publikováno v: Astrophysics and Space Science, 255(1-2), 61-66

ISO-SWS observations of the highly obscured young stellar object W 33A reveal two broad absorption features centered at 7.24 and 7.40 mu m The position and width of these features indicates that they are due to the XH bending mode (X= C, N, or O) of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::e7ab077f30a51ed8a964e05b0cb9c38f
https://research.rug.nl/en/publications/37652332-1bed-4f98-9f9f-63a55796d6e2

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