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Article: Odin observations of H 2O in the galactic centre

TitleOdin observations of H 2O in the galactic centre
Authors
Sandqvist, AaBergman, PBlack, JHBooth, RBuat, VCurry, CLEncrenaz, PFalgarone, EFeldman, PFich, MFloren, HGFrisk, UGerin, MGregersen, EMHarju, JHasegawa, THjalmarson, ÅJohansson, LEBKwok, SLarsson, BLecacheux, ALiljeström, TLindqvist, MLiseau, RMattila, KMitchell, GFNordh, LOlberg, MOlofsson, AOHOlofsson, GPagani, LPlume, RRistorcelli, ISchéele, FVSerra, GTothill, NFHVolk, KWilson, CDWinnberg, A
KeywordsGalaxy: Center
Ism: Clouds
Ism: Individual Objects: Sgr A
Ism: Molecules
Issue Date2003
PublisherE D P Sciences. The Journal's web site is located at http://www.aanda.org
Citation
Astronomy And Astrophysics, 2003, v. 402 n. 3, p. L63-L67 How to Cite?
AbstractThe Odin satellite has been used to detect emission and absorption in the 557-GHz H 2 16O line in the Galactic Centre towards the Sgr A Circumnuclear Disk (CND), and the Sgr A +20 km s -1 and +50 km s -1 molecular clouds. Strong broad H 2O emission lines have been detected in all three objects. Narrow H 2O absorption lines are present at all three positions and originate along the lines of sight in the 3-kpc Spiral Arm, the -30 km s -1 Spiral Arm and the Local Sgr Spiral Arm. Broad H 2O absorption lines near -130 km s -1 are also observed, originating in the Expanding Molecular Ring. A new molecular feature (the "High Positive Velocity Gas" - HPVG) has been identified in the positive velocity range of ≈+120 to +220 km s -1, seen definitely in absorption against the stronger dust continuum emission from the +20 km s -1 and +50 km s -1 clouds and possibly in emission towards the position of Sgr A CND. The 548-GHz H 2 18O isotope line towards the CND is not detected at the 0.02 K (rms) level.
Persistent Identifierhttp://hdl.handle.net/10722/179668
ISSN
0004-6361
2023 Impact Factor: 5.4
2023 SCImago Journal Rankings: 1.896
ISI Accession Number ID
WOS:000182452000008
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorSandqvist, Aaen_US
dc.contributor.authorBergman, Pen_US
dc.contributor.authorBlack, JHen_US
dc.contributor.authorBooth, Ren_US
dc.contributor.authorBuat, Ven_US
dc.contributor.authorCurry, CLen_US
dc.contributor.authorEncrenaz, Pen_US
dc.contributor.authorFalgarone, Een_US
dc.contributor.authorFeldman, Pen_US
dc.contributor.authorFich, Men_US
dc.contributor.authorFloren, HGen_US
dc.contributor.authorFrisk, Uen_US
dc.contributor.authorGerin, Men_US
dc.contributor.authorGregersen, EMen_US
dc.contributor.authorHarju, Jen_US
dc.contributor.authorHasegawa, Ten_US
dc.contributor.authorHjalmarson, Åen_US
dc.contributor.authorJohansson, LEBen_US
dc.contributor.authorKwok, Sen_US
dc.contributor.authorLarsson, Ben_US
dc.contributor.authorLecacheux, Aen_US
dc.contributor.authorLiljeström, Ten_US
dc.contributor.authorLindqvist, Men_US
dc.contributor.authorLiseau, Ren_US
dc.contributor.authorMattila, Ken_US
dc.contributor.authorMitchell, GFen_US
dc.contributor.authorNordh, Len_US
dc.contributor.authorOlberg, Men_US
dc.contributor.authorOlofsson, AOHen_US
dc.contributor.authorOlofsson, Gen_US
dc.contributor.authorPagani, Len_US
dc.contributor.authorPlume, Ren_US
dc.contributor.authorRistorcelli, Ien_US
dc.contributor.authorSchéele, FVen_US
dc.contributor.authorSerra, Gen_US
dc.contributor.authorTothill, NFHen_US
dc.contributor.authorVolk, Ken_US
dc.contributor.authorWilson, CDen_US
dc.contributor.authorWinnberg, Aen_US
dc.date.accessioned2012-12-19T10:02:43Z-
dc.date.available2012-12-19T10:02:43Z-
dc.date.issued2003en_US
dc.identifier.citationAstronomy And Astrophysics, 2003, v. 402 n. 3, p. L63-L67en_US
dc.identifier.issn0004-6361en_US
dc.identifier.urihttp://hdl.handle.net/10722/179668-
dc.description.abstractThe Odin satellite has been used to detect emission and absorption in the 557-GHz H 2 16O line in the Galactic Centre towards the Sgr A Circumnuclear Disk (CND), and the Sgr A +20 km s -1 and +50 km s -1 molecular clouds. Strong broad H 2O emission lines have been detected in all three objects. Narrow H 2O absorption lines are present at all three positions and originate along the lines of sight in the 3-kpc Spiral Arm, the -30 km s -1 Spiral Arm and the Local Sgr Spiral Arm. Broad H 2O absorption lines near -130 km s -1 are also observed, originating in the Expanding Molecular Ring. A new molecular feature (the "High Positive Velocity Gas" - HPVG) has been identified in the positive velocity range of ≈+120 to +220 km s -1, seen definitely in absorption against the stronger dust continuum emission from the +20 km s -1 and +50 km s -1 clouds and possibly in emission towards the position of Sgr A CND. The 548-GHz H 2 18O isotope line towards the CND is not detected at the 0.02 K (rms) level.en_US
dc.languageengen_US
dc.publisherE D P Sciences. The Journal's web site is located at http://www.aanda.orgen_US
dc.relation.ispartofAstronomy and Astrophysicsen_US
dc.subjectGalaxy: Centeren_US
dc.subjectIsm: Cloudsen_US
dc.subjectIsm: Individual Objects: Sgr Aen_US
dc.subjectIsm: Moleculesen_US
dc.titleOdin observations of H 2O in the galactic centreen_US
dc.typeArticleen_US
dc.identifier.emailKwok, S: deannote@hku.hken_US
dc.identifier.authorityKwok, S=rp00716en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0038701615en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0038701615&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume402en_US
dc.identifier.issue3en_US
dc.identifier.spageL63en_US
dc.identifier.epageL67en_US
dc.identifier.isiWOS:000182452000008-
dc.publisher.placeFranceen_US
dc.identifier.scopusauthoridSandqvist, Aa=35451841800en_US
dc.identifier.scopusauthoridBergman, P=7006615192en_US
dc.identifier.scopusauthoridBlack, JH=25222377400en_US
dc.identifier.scopusauthoridBooth, R=7202614585en_US
dc.identifier.scopusauthoridBuat, V=7003733332en_US
dc.identifier.scopusauthoridCurry, CL=7101672097en_US
dc.identifier.scopusauthoridEncrenaz, P=6603978312en_US
dc.identifier.scopusauthoridFalgarone, E=7003349192en_US
dc.identifier.scopusauthoridFeldman, P=7103377526en_US
dc.identifier.scopusauthoridFich, M=7003964696en_US
dc.identifier.scopusauthoridFloren, HG=6602447564en_US
dc.identifier.scopusauthoridFrisk, U=8966521600en_US
dc.identifier.scopusauthoridGerin, M=7005195915en_US
dc.identifier.scopusauthoridGregersen, EM=7005825957en_US
dc.identifier.scopusauthoridHarju, J=8908583000en_US
dc.identifier.scopusauthoridHasegawa, T=7404173711en_US
dc.identifier.scopusauthoridHjalmarson, Å=15744175200en_US
dc.identifier.scopusauthoridJohansson, LEB=7401510283en_US
dc.identifier.scopusauthoridKwok, S=22980498300en_US
dc.identifier.scopusauthoridLarsson, B=7202678664en_US
dc.identifier.scopusauthoridLecacheux, A=7003423533en_US
dc.identifier.scopusauthoridLiljeström, T=6602325021en_US
dc.identifier.scopusauthoridLindqvist, M=7006711792en_US
dc.identifier.scopusauthoridLiseau, R=6701345678en_US
dc.identifier.scopusauthoridMattila, K=7102595643en_US
dc.identifier.scopusauthoridMitchell, GF=7403103591en_US
dc.identifier.scopusauthoridNordh, L=6603608785en_US
dc.identifier.scopusauthoridOlberg, M=16201342800en_US
dc.identifier.scopusauthoridOlofsson, AOH=7006322972en_US
dc.identifier.scopusauthoridOlofsson, G=7005783479en_US
dc.identifier.scopusauthoridPagani, L=7006076032en_US
dc.identifier.scopusauthoridPlume, R=7004220684en_US
dc.identifier.scopusauthoridRistorcelli, I=6701750764en_US
dc.identifier.scopusauthoridSchéele, FV=6701436121en_US
dc.identifier.scopusauthoridSerra, G=7202261072en_US
dc.identifier.scopusauthoridTothill, NFH=6602148553en_US
dc.identifier.scopusauthoridVolk, K=7006571965en_US
dc.identifier.scopusauthoridWilson, CD=7404896077en_US
dc.identifier.scopusauthoridWinnberg, A=6603734778en_US
dc.identifier.issnl0004-6361-

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