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A Molecular Gas Bridge between the Taffy Galaxies

hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorBRAINE, J.
hal.structure.identifierLaboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées [LATT]
dc.contributor.authorDAVOUST, E.
dc.contributor.authorZHU, M.
dc.contributor.authorLISENFELD, U.
hal.structure.identifierObservatoire astronomique de Strasbourg [OAS]
dc.contributor.authorMOTCH, C.
dc.contributor.authorSEAQUIST, E. R.
dc.date.created2003
dc.date.issued2003
dc.identifier.issn0004-6361
dc.description.abstractEnThe Taffy Galaxies system, UGC 12914/5, contains huge amounts of molecular gas in the bridge region between the receding spirals after a direct collision. $2 - 9 \\times 10^9$M$_\\odot$ of molecular gas is present between the galaxies, more than the CO emission from the entire Milky Way! Such dense gas can only be torn off by collisions between dense clouds, in this case with relative velocities of about 800 $\\kms$, such that the remnant cloud acquires an intermediate velocity and is left in the bridge after separation of the colliding galaxies. We suggest that after ionization in the collision front, the gas cooled and recombined very quickly such that the density remained high and the gas left the colliding disks in molecular form.
dc.language.isoen
dc.publisherEDP Sciences
dc.title.enA Molecular Gas Bridge between the Taffy Galaxies
dc.typeArticle de revue
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]
dc.identifier.arxivastro-ph/0308476
bordeaux.journalAstronomy and Astrophysics - A&A
bordeaux.pageL13-L16
bordeaux.volume408
bordeaux.peerReviewedoui
hal.identifierhal-00012314
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00012314v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Astronomy%20and%20Astrophysics%20-%20A&A&rft.date=2003&rft.volume=408&rft.spage=L13-L16&rft.epage=L13-L16&rft.eissn=0004-6361&rft.issn=0004-6361&rft.au=BRAINE,%20J.&DAVOUST,%20E.&ZHU,%20M.&LISENFELD,%20U.&MOTCH,%20C.&rft.genre=article


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