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

TitleOdin observations of H 2O in the galactic centre
Authors
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
2014 Impact Factor: 4.378
2015 SCImago Journal Rankings: 2.446
References

 

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.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

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