Astronomy & Astrophysics (A&A)

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Editorial

Herschel/HIFI: first science highlights

C. M. Walmsley, C. Bertout, F. Combes, T. Forveille, T. Guillot, A. Jones and S. Shore

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015613

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HIFI spectroscopy of low-level water transitions in M 82

A. Weiß, M. A. Requena-Torres, R. Güsten, S. García-Burillo, A. I. Harris, F. P. Israel, T. Klein, C. Kramer, S. Lord, J. Martin-Pintado et al. (16 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015078

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Excitation of the molecular gas in the nuclear region of M 82

A. F. Loenen, P. P. van der Werf, R. Güsten, R. Meijerink, F. P. Israel, M. A. Requena-Torres, S. García-Burillo, A. I. Harris, T. Klein, C. Kramer et al. (16 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015114

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Herschel/HIFI observations of high-J CO transitions in the protoplanetary nebula CRL 618

V. Bujarrabal, J. Alcolea, R. Soria-Ruiz, P. Planesas, D. Teyssier, A. P. Marston, J. Cernicharo, L. Decin, C. Dominik, K. Justtanont et al. (18 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015068

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Water content and wind acceleration in the envelope around the oxygen-rich AGB star IK Tauri as seen by Herschel/HIFI

L. Decin, K. Justtanont, E. De Beck, R. Lombaert, A. de Koter, L. B. F. M. Waters, A. P. Marston, D. Teyssier, F. L. Schöier, V. Bujarrabal et al. (18 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015069

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Discovery of water vapour in the carbon star V Cygni from observations with Herschel/HIFI

D. A. Neufeld, E. González-Alfonso, G. Melnick, M. Pułecka, M. Schmidt, R. Szczerba, V. Bujarrabal, J. Alcolea, J. Cernicharo, L. Decin et al. (18 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015080

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A HIFI preview of warm molecular gas around χ Cygni: first detection of H₂O emission toward an S-type AGB star

K. Justtanont, L. Decin, F. L. Schöier, M. Maercker, H. Olofsson, V. Bujarrabal, A. P. Marston, D. Teyssier, J. Alcolea, J. Cernicharo et al. (17 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015092

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Herschel/HIFI deepens the circumstellar NH₃ enigma

K. M. Menten, F. Wyrowski, J. Alcolea, E. De Beck, L. Decin, A. P. Marston, V. Bujarrabal, J. Cernicharo, C. Dominik, K. Justtanont et al. (16 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015108

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A high-resolution line survey of IRC +10216 with Herschel/HIFI - First results: Detection of warm silicon dicarbide (SiC)

J. Cernicharo, L. B. F. M. Waters, L. Decin, P. Encrenaz, A. G. G. M. Tielens, M. Agúndez, E. De Beck, H. S. P. Müller, J. R. Goicoechea, M. J. Barlow et al. (17 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015150

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Herschel/HIFI discovery of interstellar chloronium (H₂Cl⁺)

D. C. Lis, J. C. Pearson, D. A. Neufeld, P. Schilke, H. S. P. Müller, H. Gupta, T. A. Bell, C. Comito, T. G. Phillips, E. A. Bergin et al. (95 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201014959

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Herschel/HIFI observations of interstellar OH⁺ and H₂O⁺ towards W49N: a probe of diffuse clouds with a small molecular fraction

D. A. Neufeld, J. R. Goicoechea, P. Sonnentrucker, J. H. Black, J. Pearson, S. Yu, T. G. Phillips, D. C. Lis, M. De Luca, E. Herbst et al. (43 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015077

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Herschel observations of ortho- and para-oxidaniumyl (H₂O⁺) in spiral arm clouds toward Sagittarius B2(M)

P. Schilke, C. Comito, H. S. P. Müller, E. A. Bergin, E. Herbst, D. C. Lis, D. A. Neufeld, T. G. Phillips, T. A. Bell, G. A. Blake et al. (49 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015087

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Detection of hydrogen fluoride absorption in diffuse molecular clouds with Herschel/HIFI: an ubiquitous tracer of molecular gas

P. Sonnentrucker, D. A. Neufeld, T. G. Phillips, M. Gerin, D. C. Lis, M. De Luca, J. R. Goicoechea, J. H. Black, T. A. Bell, F. Boulanger et al. (40 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015082

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Excitation and abundance of C₃ in star forming cores - Herschel/HIFI observations of the sight-lines to W31C and W49N

B. Mookerjea, T. Giesen, J. Stutzki, J. Cernicharo, J. R. Goicoechea, M. De Luca, T. A. Bell, H. Gupta, M. Gerin, C. M. Persson et al. (41 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015095

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Herschel observations of EXtra-Ordinary Sources (HEXOS): detecting spiral arm clouds by CH absorption lines

S.-L. Qin, P. Schilke, C. Comito, T. Möller, R. Rolffs, H. S. P. Müller, A. Belloche, K. M. Menten, D. C. Lis, T. G. Phillips et al. (60 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015107

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CH⁺(1–0) and ¹³CH⁺(1–0) absorption lines in the direction of massive star-forming regions

E. Falgarone, B. Godard, J. Cernicharo, M. De Luca, M. Gerin, T. G. Phillips, J. H. Black, D. C. Lis, T. A. Bell, F. Boulanger et al. (50 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015109

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Interstellar CH absorption in the diffuse interstellar medium along the sight-lines to G10.6–0.4 (W31C), W49N, and W51

M. Gerin, M. De Luca, J. R. Goicoechea, E. Herbst, E. Falgarone, B. Godard, T. A. Bell, A. Coutens, M. Kaźmierczak, P. Sonnentrucker et al. (48 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015115

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C⁺ detection of warm dark gas in diffuse clouds

W. D. Langer, T. Velusamy, J. L. Pineda, P. F. Goldsmith, D. Li and H. W. Yorke

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015088

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[CII] observations of H₂ molecular layers in transition clouds

T. Velusamy, W. D. Langer, J. L. Pineda, P. F. Goldsmith, D. Li and H. W. Yorke

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015091

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A sample of [C II] clouds tracing dense clouds in weak FUV fields observed by Herschel

J. L. Pineda, T. Velusamy, W. D. Langer, P. F. Goldsmith, D. Li and H. W. Yorke

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015089

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Herschel observations of EXtra-Ordinary Sources (HEXOS): The present and future of spectral surveys with Herschel/HIFI

E. A. Bergin, T. G. Phillips, C. Comito, N. R. Crockett, D. C. Lis, P. Schilke, S. Wang, T. A. Bell, G. A. Blake, B. Bumble et al. (49 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015071

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Herschel observations of EXtra-Ordinary Sources (HEXOS): The Terahertz spectrum of Orion KL seen at high spectral resolution

N. R. Crockett, E. A. Bergin, S. Wang, D. C. Lis, T. A. Bell, G. A. Blake, A. Boogert, B. Bumble, S. Cabrit, E. Caux et al. (53 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015116

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Herschel spectral surveys of star-forming regions - Overview of the 555–636 GHz range

C. Ceccarelli, A. Bacmann, A. Boogert, E. Caux, C. Dominik, B. Lefloch, D. Lis, P. Schilke, F. van der Tak, P. Caselli et al. (56 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015081

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Herschel observations in the ultracompact HII region Mon R2 - Water in dense photon-dominated regions (PDRs)

A. Fuente, O. Berné, J. Cernicharo, J. R. Rizzo, M. González-García, J. R. Goicoechea, P. Pilleri, V. Ossenkopf, M. Gerin, R. Güsten et al. (35 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015093

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The origin of the [C II] emission in the S140 photon-dominated regions. New insights from HIFI

C. Dedes, M. Röllig, B. Mookerjea, Y. Okada, V. Ossenkopf, S. Bruderer, A. O. Benz, M. Melchior, C. Kramer, M. Gerin et al. (31 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015099

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Gas morphology and energetics at the surface of PDRs: New insights with Herschel observations of NGC 7023

C. Joblin, P. Pilleri, J. Montillaud, A. Fuente, M. Gerin, O. Berné, V. Ossenkopf, J. Le Bourlot, D. Teyssier, J. R. Goicoechea et al. (30 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015129

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Herschel/HIFI measurements of the ortho/para ratio in water towards Sagittarius B2(M) and W31C

D. C. Lis, T. G. Phillips, P. F. Goldsmith, D. A. Neufeld, E. Herbst, C. Comito, P. Schilke, H. S. P. Müller, E. A. Bergin, M. Gerin et al. (65 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015072

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Herschel observations of EXtra-Ordinary Sources (HEXOS): Observations of H₂O and its isotopologues towards Orion KL

G. J. Melnick, V. Tolls, D. A. Neufeld, E. A. Bergin, T. G. Phillips, S. Wang, N. R. Crockett, T. A. Bell, G. A. Blake, S. Cabrit et al. (42 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015085

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The distribution of water in the high-mass star-forming region NGC 6334 I

M. Emprechtinger, D. C. Lis, T. Bell, T. G. Phillips, P. Schilke, C. Comito, R. Rolffs, F. van der Tak, C. Ceccarelli, H. Aarts et al. (59 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015086

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Water vapor toward starless cores: The Herschel view

P. Caselli, E. Keto, L. Pagani, Y. Aikawa, U. A. Yıldız, F. F. S. van der Tak, M. Tafalla, E. A. Bergin, B. Nisini, C. Codella et al. (56 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015097

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Water in low-mass star-forming regions with Herschel - HIFI spectroscopy of NGC 1333

L. E. Kristensen, R. Visser, E. F. van Dishoeck, U. A. Yıldız, S. D. Doty, G. J. Herczeg, F.-C. Liu, B. Parise, J. K. Jørgensen, T. A. van Kempen et al. (57 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015100

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Ortho-to-para ratio of interstellar heavy water

C. Vastel, C. Ceccarelli, E. Caux, A. Coutens, J. Cernicharo, S. Bottinelli, K. Demyk, A. Faure, L. Wiesenfeld, Y. Scribano et al. (58 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015101

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Water abundances in high-mass protostellar envelopes: Herschel observations with HIFI

M. G. Marseille, F. F. S. van der Tak, F. Herpin, F. Wyrowski, L. Chavarría, B. Pietropaoli, A. Baudry, S. Bontemps, J. Cernicharo, T. Jacq et al. (61 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015103

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Sensitive limits on the abundance of cold water vapor in the DM Tauri protoplanetary disk

E. A. Bergin, M. R. Hogerheijde, C. Brinch, J. Fogel, U. A. Yıldız, L. E. Kristensen, E. F. van Dishoeck, T. A. Bell, G. A. Blake, J. Cernicharo et al. (54 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015104

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Variations in H₂O⁺/H₂O ratios toward massive star-forming regions

F. Wyrowski, F. van der Tak, F. Herpin, A. Baudry, S. Bontemps, L. Chavarria, W. Frieswijk, T. Jacq, M. Marseille, R. Shipman et al. (56 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015110

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Hydrides in young stellar objects: Radiation tracers in a protostar-disk-outflow system

A. O. Benz, S. Bruderer, E. F. van Dishoeck, P. Stäuber, S. F. Wampfler, M. Melchior, C. Dedes, F. Wyrowski, S. D. Doty, F. van der Tak et al. (59 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015111

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Herschel observations of the hydroxyl radical (OH) in young stellar objects

S. F. Wampfler, G. J. Herczeg, S. Bruderer, A. O. Benz, E. F. van Dishoeck, L. E. Kristensen, R. Visser, S. D. Doty, M. Melchior, T. A. van Kempen et al. (52 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015112

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Water in massive star-forming regions: HIFI observations of W3 IRS5

L. Chavarría, F. Herpin, T. Jacq, J. Braine, S. Bontemps, A. Baudry, M. Marseille, F. van der Tak, B. Pietropaoli, F. Wyrowski et al. (52 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015113

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Herschel observations of deuterated water towards Sgr B2(M)

C. Comito, P. Schilke, R. Rolffs, D. C. Lis, A. Belloche, E. A. Bergin, T. G. Phillips, T. A. Bell, N. R. Crockett, S. Wang et al. (46 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015121

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The methanol lines and hot core of OMC2-FIR4, an intermediate-mass protostar, with Herschel/HIFI

M. Kama, C. Dominik, S. Maret, F. van der Tak, E. Caux, C. Ceccarelli, A. Fuente, N. Crimier, S. Lord, A. Bacmann et al. (55 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015118

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Herschel/HIFI observations of high-J CO lines in the NGC 1333 low-mass star-forming region

U. A. Yıldız, E. F. van Dishoeck, L. E. Kristensen, R. Visser, J. K. Jørgensen, G. J. Herczeg, T. A. van Kempen, M. R. Hogerheijde, S. D. Doty, A. O. Benz et al. (53 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015119

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Herschel/HIFI spectroscopy of the intermediate mass protostar NGC 7129 FIRS 2

D. Johnstone, M. Fich, C. McCoey, T. A. van Kempen, A. Fuente, L. E. Kristensen, J. Cernicharo, P. Caselli, R. Visser, R. Plume et al. (51 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015122

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First detection of ND in the solar-mass protostar IRAS16293-2422

A. Bacmann, E. Caux, P. Hily-Blant, B. Parise, L. Pagani, S. Bottinelli, S. Maret, C. Vastel, C. Ceccarelli, J. Cernicharo et al. (57 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015102

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Herschel/HIFI observations of spectrally resolved methylidyne signatures toward the high-mass star-forming core NGC 6334I

M. H. D. van der Wiel, F. F. S. van der Tak, D. C. Lis, T. Bell, E. A. Bergin, C. Comito, M. Emprechtinger, P. Schilke, E. Caux, C. Ceccarelli et al. (58 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015096

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Herschel/HIFI detections of hydrides towards AFGL 2591 - Envelope emission versus tenuous cloud absorption

S. Bruderer, A. O. Benz, E. F. van Dishoeck, M. Melchior, S. D. Doty, F. van der Tak, P. Stäuber, S. F. Wampfler, C. Dedes, U. A. Yıldız et al. (59 more)

Published online: 01 October 2010

DOI: https://doi.org/10.1051/0004-6361/201015098