Herschel-SPIRE FTS Spectroscopy of Evolved Stars

被引：0

作者：

Wesson, R. ^{[1
]}

Cernicharo, J. ^{[2
]}

Barlow, M. J. ^{[1
]}

Matsuura, M. ^{[1
,3
]}

Decin, L. ^{[4
,5
]}

Groenewegen, M. A. T. ^{[6
]}

Polehampton, E. T. ^{[7
,8
]}

Agundez, M. ^{[9
]}

Cohen, M. ^{[10
]}

Daniel, F. ^{[2
]}

Exter, K. M. ^{[4
]}

Gear, W. K. ^{[11
]}

Gomez, H. L. ^{[11
]}

Hargrave, P. C. ^{[11
]}

Imhof, P. ^{[12
]}

Ivison, R. J. ^{[13
]}

Leeks, S. J. ^{[7
]}

Lim, T. L.

Olofsson, G. ^{[14
]}

Savini, G. ^{[1
]}

Sibthorpe, B. ^{[13
]}

Swinyard, B. M. ^{[7
]}

Ueta, T. ^{[1
,15
]}

Witherick, D. K. ^{[1
]}

Yates, J. A.

机构：

[1] UCL, Dept Phys & Astron, London WC1E 6BT, England

[2] CAB INTA CSIC, Dept Astrophys, Madrid, Spain

[3] Univ Coll London, Mullard Space Sci Lab, Dorking, Surrey, England

[4] Katholieke Univ Leuven, Inst Voor Sterrenkunde, Leuven, Belgium

[5] Univ Amsterdam, Sterrekundig Inst Anton Pannekoek, NL-1012 WX Amsterdam, Netherlands

[6] Royal Observ Belgium, Brussels, Belgium

[7] Space Sci & Technol Dept, Rutherford Appleton Lab, Oxford, England

[8] Univ Lethbridge, Inst Space Imaging Sci, Lethbridge, AB, Canada

[9] LUTH, Observ Paris Meudon, Meudon, France

[10] Univ Calif Berkeley, Radio Astron Lab, Berkeley, CA USA

[11] Cardiff Univ, Sch Phys & Astron, Cardiff, Wales

[12] Blue Sky Spect, Lethbridge, AB, Canada

[13] UK Astron Technol Ctr, Royal Observ, Edinburgh, Midlothian, Scotland

[14] Stockholm Univ, AlbaNova UC, Dept Astron, Stockholm, Sweden

[15] Univ Denver, Dept Phys & Astron, Denver, CO USA

来源：

WHY GALAXIES CARE ABOUT AGB STARS II: SHINING EXAMPLES AND COMMON INHABITANTS | 2011年 / 445卷

关键词：

NGC; 7027; RICH OBJECTS; AFGL; 2688; CRL-618; AGB; INSTRUMENT; EVOLUTION; ENVELOPE;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present far-infrared and submillimetre spectra of evolved objects observed with the SPIRE Fourier-transform spectrometer on board the Herschel Space Observatory. The observations cover wavelengths 195-670 mu m, a region of the electromagnetic spectrum hitherto difficult to study. The far-infrared spectra of these objects are rich and complex. We determine physical conditions from observations of the rotational lines of several molecules, and present initial large velocity gradient models for AFGL 618. We detect water in AFGL 2688 for the first time, and confirm its presence in AFGL 618 in both ortho and para forms. In addition, we detect of the J = 1-0 line of CH+ in NGC 7027. Finally, we present new Herschel-SPIRE spectroscopic observadons of both O-rich and C-rich evolved sources, and discuss preliminary investigations into their physical conditions.

引用

页码：607 / +

页数：4

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