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Article: Submillimeter emission from water in the W3 region

TitleSubmillimeter emission from water in the W3 region
Authors
KeywordsIsm: Individual Objects: W3
Ism: Molecules
Stars: Formation
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. L59-L62 How to Cite?
AbstractUsing the Odin satellite, we have mapped the submillimeter emission from the l 10-l 01 transition of ortho-water in the W3 star-forming region. A 5′ × 5′ map of the W3 IRS4 and W3 IRS5 region reveals strong water lines at half the positions in the map. The relative strength of the Odin lines compared to previous observations by SWAS suggests that we are seeing water emission from an extended region. Across much of the map the lines are double-peaked, with an absorption feature at - 39 km s -1; however, some positions in the map show a single strong line at -43 km s -1. We interpret the double-peaked lines as arising from optically thick, self-absorbed water emission near the W3 IRS5, while the narrower blue-shifted lines originate in emission near W3 IRS4. In this model, the unusual appearance of the spectral lines across the map results from a coincidental agreement in velocity between the emission near W3 IRS4 and the blue peak of the more complex lines near W3 IRS5. The strength of the water lines near W3 IRS4 suggests we may be seeing water emission enhanced in a photon-dominated region.
Persistent Identifierhttp://hdl.handle.net/10722/179660
ISSN
2014 Impact Factor: 4.378
2015 SCImago Journal Rankings: 2.446
References

 

DC FieldValueLanguage
dc.contributor.authorWilson, CDen_US
dc.contributor.authorMason, Aen_US
dc.contributor.authorGregersen, Een_US
dc.contributor.authorOlofsson, AOHen_US
dc.contributor.authorBergman, Pen_US
dc.contributor.authorBooth, Ren_US
dc.contributor.authorBoudet, Nen_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.authorHarju, Jen_US
dc.contributor.authorHasegawa, Ten_US
dc.contributor.authorHjalmarson, Åen_US
dc.contributor.authorJuvela, Men_US
dc.contributor.authorKwok, Sen_US
dc.contributor.authorLarsson, Ben_US
dc.contributor.authorLecacheux, Aen_US
dc.contributor.authorLiljestrom, Ten_US
dc.contributor.authorLiseau, Ren_US
dc.contributor.authorMattila, Ken_US
dc.contributor.authorMitchell, Gen_US
dc.contributor.authorNordh, Len_US
dc.contributor.authorOlberg, Men_US
dc.contributor.authorOlofsson, Gen_US
dc.contributor.authorPagani, Len_US
dc.contributor.authorPlume, Ren_US
dc.contributor.authorRistorcelli, Ien_US
dc.contributor.authorSandqvist, Aaen_US
dc.contributor.authorSerra, Gen_US
dc.contributor.authorTothill, Nen_US
dc.contributor.authorVolk, Ken_US
dc.contributor.authorVon Scheele, Fen_US
dc.date.accessioned2012-12-19T10:02:23Z-
dc.date.available2012-12-19T10:02:23Z-
dc.date.issued2003en_US
dc.identifier.citationAstronomy And Astrophysics, 2003, v. 402 n. 3, p. L59-L62en_US
dc.identifier.issn0004-6361en_US
dc.identifier.urihttp://hdl.handle.net/10722/179660-
dc.description.abstractUsing the Odin satellite, we have mapped the submillimeter emission from the l 10-l 01 transition of ortho-water in the W3 star-forming region. A 5′ × 5′ map of the W3 IRS4 and W3 IRS5 region reveals strong water lines at half the positions in the map. The relative strength of the Odin lines compared to previous observations by SWAS suggests that we are seeing water emission from an extended region. Across much of the map the lines are double-peaked, with an absorption feature at - 39 km s -1; however, some positions in the map show a single strong line at -43 km s -1. We interpret the double-peaked lines as arising from optically thick, self-absorbed water emission near the W3 IRS5, while the narrower blue-shifted lines originate in emission near W3 IRS4. In this model, the unusual appearance of the spectral lines across the map results from a coincidental agreement in velocity between the emission near W3 IRS4 and the blue peak of the more complex lines near W3 IRS5. The strength of the water lines near W3 IRS4 suggests we may be seeing water emission enhanced in a photon-dominated region.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.subjectIsm: Individual Objects: W3en_US
dc.subjectIsm: Moleculesen_US
dc.subjectStars: Formationen_US
dc.titleSubmillimeter emission from water in the W3 regionen_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-s2.0-0037687319en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037687319&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume402en_US
dc.identifier.issue3en_US
dc.identifier.spageL59en_US
dc.identifier.epageL62en_US
dc.publisher.placeFranceen_US
dc.identifier.scopusauthoridWilson, CD=7404896077en_US
dc.identifier.scopusauthoridMason, A=7203074482en_US
dc.identifier.scopusauthoridGregersen, E=7005825957en_US
dc.identifier.scopusauthoridOlofsson, AOH=7006322972en_US
dc.identifier.scopusauthoridBergman, P=7006615192en_US
dc.identifier.scopusauthoridBooth, R=7202614585en_US
dc.identifier.scopusauthoridBoudet, N=6602464228en_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.scopusauthoridHarju, J=8908583000en_US
dc.identifier.scopusauthoridHasegawa, T=7404173711en_US
dc.identifier.scopusauthoridHjalmarson, Å=15744175200en_US
dc.identifier.scopusauthoridJuvela, M=35576950000en_US
dc.identifier.scopusauthoridKwok, S=22980498300en_US
dc.identifier.scopusauthoridLarsson, B=7202678664en_US
dc.identifier.scopusauthoridLecacheux, A=7003423533en_US
dc.identifier.scopusauthoridLiljestrom, T=6602325021en_US
dc.identifier.scopusauthoridLiseau, R=6701345678en_US
dc.identifier.scopusauthoridMattila, K=7102595643en_US
dc.identifier.scopusauthoridMitchell, G=7403103591en_US
dc.identifier.scopusauthoridNordh, L=6603608785en_US
dc.identifier.scopusauthoridOlberg, M=16201342800en_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.scopusauthoridSandqvist, Aa=35451841800en_US
dc.identifier.scopusauthoridSerra, G=7202261072en_US
dc.identifier.scopusauthoridTothill, N=6602148553en_US
dc.identifier.scopusauthoridVolk, K=7006571965en_US
dc.identifier.scopusauthoridVon Scheele, F=6602800581en_US

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