ReportonIAUSymposium332AstrochemistryVII–ThroughtheCosmosfromGalaxiestoPlanets

20-24March2017PuertoVaras,Chile

(i) ScientificProgramme,InvitedReviewers,SessionChairs

Scientific Program Monday20thMarch2017Legend:K=KeynoteAddress;I=invitedTalk;C=ContributedTalk09:00EwinevanDishoeck(K)OpeningAddress09:40ManuelAravena(K)Theinterstellarmediumrevealedbymolecularlinespectroscopyinhighredshiftgalaxies10:20SergioMartin(C)Ultra-luminousExtragalacticChemistry10:40COFFEE/TEA11:10TakashiShimonishi(C)Observationsofahotmolecularcoreinalowmetallicitydwarfgalaxy11:30JavierGoicoechea(C)TheALMAviewofUV-irradiatedmolecularcloudedges:unexpectedstructuresandprocesses11:50NanaseHarada(I)High-TemperatureChemistryinExternalGalaxies12:20LUNCH14:00SuzanneMadden(I)Metallicity,dustandchemistry14:30JonathanTan(K)FirefromIce–MassiveStarBirthfromInfraredDarkClouds15:10GaryFuller(C)TracingtheEvolutionofMassiveProtostars15:30COFFEE/TEA16:00YokoOya(C)ChemicalChangeintheDiskFormingRegionofIRAS16293-2422StudiedwithALMA16:20AlWootten(C)AMolecularOutflow-PrestellarCoreInteractioninL1689N16:40JohnBlack(C)Theexcitationandemissionspectrumofthehydrogenmolecularion17:00HarveyLiszt(C)TheMolecularInventoryofDiffuseClouds17:20MaryvonneGerin(C)Barnard1b:atemplatecoreforstarformationandastrochemistry17:40HansZinnecker(C)AstrochemistryoflighthydrideswithSOFIA:somekeyexamples18:00Finish18:00Welcomereception

Tuesday21stMarch201708:40HermaCuppen(I)Surfaceastrochemistry:acomputationalchemistryperspective09:10LeenDecin(I)Moleculeanddustformationinlate-typestars09:40ThomasHenning(C)DustFormationatCryogenicTemperatures10:00RobGarrod(C)Simulationsofbranchedcarbon-chainchemistryinstar-formingregions.10:20ElsPeeters(C)ThephotochemicalevolutionoftheinterstellarPAHfamily10:40COFFEE/TEA11:10AllanCheung(C)Laboratoryastrochemistry:catalyticreactionsoforganicmoleculesoverolivine-typesilicatesandSiC11:30ArnaudBelloche(I)ExploringmolecularcomplexityintheGalacticCenterwithALMA12:00Merelvan’tHoff(C)Imagingthewatersnowlineinprotostellarenvelopes12:20LUNCH14:00SatoshiYamamoto(K)Chemicaltracersofdynamicsinlow-massprotostellarobjects14:40JesJorgensen(C)ProtostellarInterferometricLineSurvey(PILS):ALMAinsightsintothecomplexchemistryofyoungstars15:00PedroGarcia-Lario(C)HerschelObservationsofMolecularEmissionLinesinLow-andIntermediate-MassEvolvedStars15:20BrettMcGuire(C)InterstellarReactionScreeningviaMicrowaveSpectralTaxonomy15:40COFFEE/TEA16:10KenjiFuruya(I)Isotopicfractionationininterstellarmolecules16:40POSTERS(C)18:20FinishWednesday22ndMarch201708:40KathrinAltwegg(K)Insightsintoastrochemistry–highlightsfromtheRosettamission09:20VianneyTaquet(C)OntheoriginofO2,N2,andothervolatilespeciesincomets09:40MartinCordiner(C)ALMAobservationsofTitan’satmosphericchemistryandseasonalvariation10:00MariaDrozdovskaya(C)Thechemicalconnectionbetween67P/C-GandIRAS1629310:20EvaWirstrom(C)Nitrogenfractionationinstar-formingregionsandprimitiveSolarSystemmaterials10:40COFFEE/TEA11:10KarinOberg(C)Spatiallyresolvedorganicchemistryinprotoplanetarydisks11:30KeZhang(C)Unveilingthemid-planetemperatureandmassdistributioninthegiant-planetformationzone11:50LUNCH13:00ConferenceTourThursday23rdMarch201708:30IlseCleeves(I)ZoominginonthePhysicsandChemistryofProtoplanetaryDiskswithALMA09:00StefanoFacchini(C)Differentdustandgasradialextentsinprotoplanetarydisks:consistentmodelsofgraingrowthandCOemission09:20CatherineWalsh(C)ALMAdetectionofgas-phasemethanolinaplanet-formingdisk09:40MelissaMcClure(C)Measuringgasmassesandcarbondepletioninyoungdisks10:00SimonCasassus(I)Chemistryanddustintransitiondisks10:30VivianaGuzman(C)NitrogenfractionationinprotoplanetarydisksfromtheH13CN/HC15Nratio

10:50COFFEE/TEA11:20RuudVisser(C)Modelsofnitrogenisotopefractionationinprotoplanetarydisks11:40MarkHollands(C)Chemistryandevolutionoftheoldestwhitedwarfplanetarysystems12:00MohamadAli-Dib(C)Whatdoesthechemicalcompositionofgiantplanetstellsusabouttheirformation?12:20LUNCH14:00NikkuMadhusudhan(I)ChemicalCharacterizationofExoplanetaryAtmospheres14:30StefanieMilam(I)JWST:Theroleofobservingfacilitiesinsettingtheagenda15:00OscarMorata(I)ALMABand1andastrochemistry15:30COFFEE/TEA16:00PierreCox(I)AnUpdateonALMAanditsScience16:30JohnCarpenter(I)ALMACapabilitiesinCycle517:30POSTERS(C)19:00Finish20:00ConferenceDinnerFriday24thMarch201708:40SergioPilling(K)ProcessingofinterstellaricesbysoftX-raysandswiftions09:20SusannaWidicus-Weaver(C)Laboratorymeasurementsofmethanolphotolysisbranchingratiostoguideastrochemicalmodels09:40SeanAyling(C)Acetaldehydeandcarbonaceousdust:surfacescienceexperimentandtheoryinthecontextoftheinterstellarmedium10:00IlsaCooke(C)Photodestructionofastrophysicallyrelevanticespecies:anewlaboratorysurveyatLyman-alpha10:20LissethGavilan(C)SynchrotronX-rayirradiationofN-richorganics:anewpathwaytoDeuteriumenrichmentinprotoplanetarydisks10:40COFFEE/TEA11:10IanSims(I)Gasphasestudiesofastrochemicalimportance11:40ChrisArumainayagam(C)PhotochemistryandRadiationChemistryofCosmicIceAnalogsofAmmonia12:00EwenCampbell(I)Electronicspectroscopyoffullereneionsandthediffuseinterstellarbands12:30LUNCH14:00EndofConference InvitedKeynoteSpeakers(40mins):EwinevanDishoeck(F)ManuelAravena(M)JonathanTan(M)SatoshiYamamoto(M)KarinAltwegg(F)SergioPilling(M)

InvitedSpeakers(30mins):NaneseHarada(F)SuzanneMadden(F)HermaCuppen(F)LeenDecin(F)ArnaudBelloche(M)KenjiFuruya(M)IlseCleeves(F)SimonCasassus(M)NikkuMadhusudhan(M)StefanieMilam(F)OscarMorata(M)PierreCox(M)JohnCarpenter(M)IanSims(M)EwenCampbell(M)21invitedspeakers,13male,8femaleSessionChairs:MondayMarch20Session1:PierreCox(M)Session2:PaolaCaselli(F)Session3:MonicaRubio(F)Session4:MariaCunningham(F)TuesdayMarch21Session5:TomMillar(M)Session6:AnneDutrey(F)Session7:StevenCharnley(M)WednesdayMarch22Session8:TedBergin(M)Session9:JesJørgensen(M)ThursdayMarch23Session10:ThomasHenning(M)Session11:DominiqueBockelée-Morvan(F)Session12:SatoshiYamamoto(M)Session13:HansOlofsson(M)FridayMarch24Session14:KarinÖberg(F)Session15:FaridSalama(M)Summary:15sessionchairs,9male,6female

Inadditiontothekeynoteandinvitedspeakersmentionedabovetherewere36oralcontributions(20minseach)from22malesand14femalesand116posterspresentedanddiscussedovertwospecially-dedicatedsessions.(ii) ScientificHighlights(1pageforIAUwebsite)TheSymposiumopenedwithaKeynoteaddressfromEwinevanDIshoeck(Leiden)inwhichshenotedthatastrochemistryisinaveryhealthystateacrosstheworldwithnewfacilitiescomingon-lineandnewgroupsjoiningthecommunityonaregularbasis.Therewas,however,aneedtoensurethatcurrentsuccessesleadtofuturechallengesthatwillbemetbythecommunityofastronomers,spectroscopists,chemistsandphysiciststhatundertakeastrochemicalresearch.Tothatend,shereviewedsomerecenthighlights,notingtheincreasingcomplexityofmoleculesdetectedinspace,theuseofmoleculestoprobenewregimesindiffusegas,supernovae,externalgalaxies,protoplanetarydisks(PPDs)andexoplanetatmospheres.Sheaskedtheaudiencetoprovidereasonswhynationalagenciesshouldinvestinastrochemistryoverthenext20-30years.Whatarethebigquestionstobeanswered?ResponseshaveinformedherwrittenarticleintheSymposiumproceedings.ManuelAravena(UniversidadDiegoPortales)notedinhisKeynotetalkthatthenumberofmolecularlinesdetectedingalaxieshadincreasedbyalmosttwoordersofmagnitudeinthelastdecadeandthatsub-millimetrelines,particularlyduetothesensitivityofALMA,werenowabletoprobegasphysicsatredshiftsuptoz=7.SergioMartin(JointALMAObservatory)focusedontheprototypicalULIRG,Arp220,fromwhichALMAhasdetectedthousandsoflinesinsurveysfrom86-363GHz.Lineidentificationandanalysisisdifficultduetoseverelineblendingandself-absorption.Thedoublenucleus,oneofwhichmaycontainanAGN,hasbeenresolvedbutthereisnoimprintoftheAGNonmolecularabundances,sincebothnucleiappeartohavesimilarLTEabundancestowithinafactorofthree.ThisisexcitingforourfieldasitclearlyopensanewastrochemicalwindowintotheearlyUniverse.JavierGoioechea(Madrid)spokeontheuseofhighspatialresolutionobservationsofhydridestoprobethephysicsofphoton-dominatedregions.HeshowedthedetectionintheOrionBarofcis-HCOOHwhichliessome10,000Kinenergyhigherthantrans-HCOOH.Hearguedthatthiswasthefirstastronomicalevidenceofacis-transconversiondrivenbyfluorescence.Therewereseveraltalksandpostersonlow-massstarformationandYokoOya(Tokyo)presentedanALMAstudyoftherotating,infallingenvelopeofIRAS16293-2422SourceAanddemonstratedthepowerofchemistrytotracedifferentregionsoftheinfall,inparticularthepositionofthecentrifugalbarrieratwhichthegascompositionappearstobedominatedbytheevaporationproductsoficemantles.ThisworkhighlightstheimportofALMAforourfieldasthechemistryassociatedwithprotostellarcollapsemaybeausefultooltoisolateimportantphases,suchastheyoungdisk.Thisworkisstillinitsinfancyandwecanlookforwardtosignificantadvancesinthecomingyears.ThesubjectoficemantlesisaveryactiveareaoftheoreticalandexperimentalresearchworldwideandHermaCuppen(Radboud)summarisedtheoreticalmodelsofsurface

chemistry,inparticularinrelationtotheformationofcomplexorganicmolecules(COMs).Shearguedthattheformation,diffusionandreactionoftheHCOradicalwascriticalinthedeterminationofmolecularcomplexityintheiceandencouragedlaboratorystudiesofthisradical.LaboratoryastrophysicsisplayinganimportantroleinunderstandingsurfaceandbulkprocessesinicesandtheSymposiumfeaturedmanytalksandpostersonthissubject.TheinteractionoficeswithsoftX-rayswasreviewedbySergioPilling(ValedeParaibe)inakeynotepresentation.HeshowedthatsoftX-rayirradiationofcosmicicemixturesinducedacomplexchemistrythatresultedintheformationofthenucleobaseadenineandpeptidebonds,amongstothers.SusannaWidicusWeaver(Emory)describedanimpressivenewexperimentinwhichthephotolysisproductsofmethanoliceweredetectedusinggas-phasemillimetreandsub-millimetrespectroscopy.Thisopensupanexcitingnewwayinwhichphotodesorptionyieldscanbemeasureddirectlyandwhichcanidentifyproductsthatcannotbedifferentiatedusingconventionalmassspectroscopictechniques.Thisiscertainevidencethatlaboratoryworkismovingindirectionsthatwillcontinuetobecentraltoourfield.Moleculesarealsoimportantintheformationofdustgrainsinsupernovae,circumstellarenvelopesandtheinterstellarmedium(ISM).LeenDecin(Leuven)madethelongtriptoPuertoVarasdespitethehindranceofafull-lengthlegcastfollowingkneesurgerytospeakaboutALMAobservationsofthedust-formingregionsofO-richAGBstars.HeredetectionsofspeciessuchasTiO,TiO2,SiO,AlOandAlOHareaimedatunderstandinghowdustprecursorshelpnucleationandgrowth.ThomasHenning(Heidelberg)presentedevidencefromliquidHedropexperimentsthatSiOmoleculescouldgrowtonanoscaleamorphousclustersat0.37K,givingexperimentalsupporttothehypothesisthatmostsilicatedustmustformintheISMgivenitsfastdestructiontimescaleinsupernovaeexplosions.Asignificantpartoftheprogramwasdevotedtolow-massstarformationandPPDSandSatoshiYamamoto(Tokyo)presentedaKeynotetalkwhichshowedtheimportanceofmoleculesintracingthedynamicsinsuchregions.TherewerealsoseveraltalksonPPDsincludingwaysinwhichtodeterminethewatersnowline(Merelvan’tHoff,Leiden),observationsofCOMs(KarinOberg,HarvardandCatherineWalsh,Leeds),gapsandrings(IlseCleeves,Harvard),graingrowthanddynamics(StefanoFacchini,Munich),diskmassesandcarbondepletion(MelissaMcClure,Munich),dustintransitiondisks(SimonCasassus,Univ.Chile)andisotopicchemistry(VivianaGuzman,JointAstronomyCentreandRuudVisser,Munich).OneofthehighlightsofthissessionweretheamazingimagesfromALMAwhereitisclearthatthechemistryassociatedwithplanetformationisslowlybeingrevealed.KathrinAltwegg(Bern)presentedaninformativeandentertainingKeynoteaddressonthemolecular‘zoo’detectedbytheRosettaMissionatcomet67P/CG.HertalkcoveredahugerangeoftopicsfromtheobservationthatthecometdoesnothaveasolarXeisotopicdistribution,totheconclusionthatcometsdidnotsupplytheEarth’swater,andthatitsO2islikelyinheritedfrominterstellarice.OuraudiencesatstunnedatthevastarrayofmoleculesdetectedbyRosettaandwesuspectthatmanyareexcitedtotakeadvantageofthisexcitingfield.VianneyTaquet(Leiden)discussedtheformationofO2insomedetailandarguedthattheonlymodelconsistentwithlaboratoryexperimentsandobservationsoftheISMand67P/CGwasoneinwhichitformedathighdensityinicesat15-25Ktoensure

thatOatomsaremobileintheicematrix.MariaDrozdovskeya(Bern)discussedthe67P/CGresultsinthecontextofthePILSsurveyoftheprotostar,IRAS16293-2422notingthatmethylchloride,CH3Cl,hadbeendetectedinboth.NikkuMadhusudhan(Cambridge)presentedanin-depthreviewofthechemistryinexoplanetatmospheresnotingthatinadditiontospeciessuchasH2OandCO2,therewasevidenceemergingforthepresenceofamoreexoticchemistry.Hearguedthatadvancesinobservationaltechniquesandnewapproachestotheoreticalmodellingwereabletoprovidesignificantconstraintsonthepropertiesoftheseatmospheres.Heshowed,asanexample,thattheH2OabundanceisverysensitivetotheinitialC/Oratioatthepositioninthediskatwhichtheplanetformsandthatsub-solarabundancesimpliedthatplanetshadbescatteredoutandbackintothedisk.Heconcludedbynotingthatamajortaskfortheexoplanetarychemistrywastodevelopacommunitysimilartothatcurrentinastrochemistry.Lookingforward,thechemicalcompositionofexoplanetaryatmospheresisanareawhereourfieldwillcontinuetomakecontributionsandwelookforwardtotheamazingadvancesthatwillberevealedinupcomingmeetings.TheprogrammeexplicitlyincludedanumberofinvitedtalksonfuturefacilitiesincludingtheJWST(StefanieMilam,NASAGoddard)andALMABand1(OscarMorata,Taipei).PierreCox(JAO)presentedsomerecenthighlightsofALMAscience,includingthedetectionofKClandNaClfromcryogenicvolcanicejectiononIo,toobservationsofmultipleoutflowsinOrionandtomapsofthespiralstructureinthepre-planetarynebula,LLPegasi.TheconferencefinishedwithextensiveandpassionatedebatefollowingEwenCampbell’s(Basel)talkinwhichhearguedthattheC60+ionwasresponsibleforfiveofthediffuseinterstellarbandswithacolumndensityindiffusecloudssimilartothatofCH+,anidentificationthatwasrejectedbyJacekKrelowski(Torun)whoarguedthatatmosphericcontaminationhadnotbeeneffectivelyremovedfromtheastronomicalspectraandthatnon-LTEstellarlineswerealsoblendedwithC60+features.Theassembledparticipantsweredismissedwithanexhortationto‘makeAstrochemistrygreat’.

(iii) Listofparticipants

IAUS332RegisteredParticipantsMaria Cunningham Australia FPaul Jones Australia MJohn Lopez Australia MChenoa Tremblay Australia FLeen Decin Belgium FMarie VandeSande Belgium FHeloisa Boechat Brazil FVictor deSouzaBonfim Brazil MNatalia Drake Brazil FFelipe Fantuzzi Brazil MMarina GomesRachid Brazil FSergio Pilling Brazil MRafael Pinotti Brazil MMohamad Ali-Dib Canada MJan Cami Canada MEls Peeters Canada FClaudia Agliozzo Chile FManuel Aravena Chile MDavid Arias-Olivares Chile MLeonardo Bronfman Chile MJohn Carpenter Chile MSimon Casassus Chile MPierre Cox Chile MOtoniel DenisAlpizar Chile MViviana Guzman Chile FAndrés Guzmán Chile MJinhua He Chile MViolette Impellizzeri Chile MNatalia Inostroza Chile FDiego Mardones Chile MSergio Martin Chile MGautier Mathys Chile MHugo Messias Chile MSudeep Neupane Chile MLars-Ake Nyman Chile MNeil Phillips Chile MMonica Rubio Chile FLei Zhu Chile MQiang Chang China MJiaerken Yeshengbieke China MJianjun Zhou China MElizabeth ArturdelaVillarmois Denmark FHannah Calcutt Denmark FSteffen Jacobsen Denmark M

Jes Jorgensen Denmark MLarsE. Kristensen Denmark MDominique Bockelée France FEmmanuel Caux France MAnne DUTREY France FLisseth Gavilan France FMaryvonne Gerin France FSuzanne Madden France FJan Orkisz France MLaurent Pagani France MIan Sims France MValeska Valdivia France FThomas Vidal France MArnaud Belloche Germany MPaola Caselli Germany FPaolo Cazzoletti Germany MStefano Facchini Germany MThomas Henning Germany MMelissa McClure Germany FAnna Punanova Germany FRichard Teague Germany MRuud Visser Germany MNadine Wehres Germany FHans Zinnecker Germany MAllan Cheung HongKong MSarolta Zahorecz Hungary FHabib Khosroshahi Iran MRoberto CapuzzoDolcetta Italy MVictorM. Rivilla Italy MYuji Ebisawa Japan MKenji Furuya Japan MSatoshi Hamano Japan MAya Higuchi Japan FMuneaki Imai Japan MYuri Nishimura Japan FHideko Nomura Japan FShota Notsu Japan MYoko Oya Japan FTakashi Shimonishi Japan MTaiki Suzuki Japan MYoshimasa Watanabe Japan MSatoshi Yamamoto Japan MKento Yoshida Japan MJuris Kalvans Latvia MDavidEnrique GreenTripp Mexico MAntonio Hernández-Gómez Mexico MLuisFernando TapiaSchiavon Mexico MArthur Bosman Netherlands M

Tao Chen Netherlands MKo-Ju Chuang Netherlands MHerma Cuppen Netherlands FChristian Eistrup Netherlands MAlvaro Hacar Netherlands MNiels Ligterink Netherlands MAnna Miotello Netherlands FNadia Murillo Netherlands FVachail Salinas Netherlands MVianney Taquet Netherlands MLukasz Tychoniec Netherlands MMerel van'tHoff Netherlands FMatthijs vanderWiel Netherlands MEwine vanDishoeck Netherlands FAgata Karska Poland FJacek Krelowski Poland MIgor Zinchenko Russia MPedro García-Lario Spain MJavier Goicoechea Spain MJesus MartinPintado Spain MSarah Massalkhi Spain FJohn Black Sweden MHans Olofsson Sweden MEva Wirström Sweden FKathrin Altwegg Switzerland FEwen Campbell Switzerland MMaria Drozdovskaya Switzerland FNanase Harada Taiwan FTien-Hao Hsieh Taiwan MYi-Jehng Kuan Taiwan MXiaohu Li Taiwan MOscar Morata Taiwan MSean Ayling UK MGary Fuller UK MMark Hollands UK MNikku Madhusudhan UK MCatherine Walsh UK FPaul Woods UK MTom Millar UK MDavid Quénard UK MDana Anderson USA FChris Arumainayagam USA MEdwin Bergin USA MJennifer Bergner USA FBrandon Carroll USA MSteven Charnley USA MIlse Cleeves USA FIlsa Cooke USA F

Martin Cordiner USA MGwenaelle Dufour USA FEdith Fayolle USA FRob Garrod USA MJane Huang USA FJean Huang USA FNick Indriolo USA MEdward Jenkins USA MHarvey Liszt USA MRyan Loomis USA MBrett McGuire USA MChristopher Merchantz USA MStefanie Milam USA FKarin Öberg USA FTyler Pauly USA MJamila Pegues USA FEllen Price USA FAnthony Remijan USA MThomas Rice USA MFarid Salama USA MDeborah Schmidt USA FKamber Schwarz USA FPeter Strittmatter USA MJonathan Tan USA MNienke vanderMarel USA FSusanna WidicusWeaver USA FEric Willis USA MAlwyn Wootten USA MKe Zhang USA F

169individualsattendedtheSymposium,111malesand58females,from25countries,withthelargestattendancesfromtheUSA(37),Chile(22),theNetherlands(15)andJapan(14).Attendance,especiallyfrommajorEuropeancountriessuchasSpainandItaly,wasdisappointing.TheSOCwereexpectingamuchhighernumberbasedonpreviousAstrochemistrySymposia.Itwasclearfromanecdotalevidencethatthecostoftravel(andtraveldistancesinvolved)wasprohibitiveformany.Thefollowingfiguregivestheattendancebrokendownbycountryandgender.

(iv)ListofRecipientsofIAUTravelGrantsThefollowingtablegivesdetailsofthe34recipientsofIAUtravelgrants,14femalesand20males,some19nationalitiesbasedin16countries.Wereceived52applications(23female)forsupportwhichwerecirculatedtotheentireSOCforcommentsandrankingasHigh,Medium,LoworNone.SevenmembersoftheSOCrespondedand,astherewasquiteascatteramongsttheresponsesonHighandMediumweagreed,forthepurposesofthisexercise,totreatHighandMediumequally.TheresultantallocationsagreedbythethreeseniorofficersofCommissionH2,TomMillarasPresident,TedBerginasVice-PresidentandMariaCunninghamasSecretary.Weagreedgroundrulesfortheallocationofindividualsums,asoutlinedinane-mailtotheAGSon2January2017.Intotal,weofferedsupportto45applicants(21female)totalling€19,840.Asisusual,anumberofindividualsturneddownawards,mostcommonlybecausetheycouldnotfindadditionalsupport;insomeofthesecases,suchadditionalsupportwasdependentontheindividualmakinganoralpresentationwhichwewerenotabletoguarantee.Re-allocationofmonieswasagreedateachstagewiththeAGS.Intheend,theSOCallocated€14,400eurosto34individuals,withsumsrangingfrom€300to€680.Wenotedtwopoints:(i)thatoffersofupto€1000werenotenoughtoallowseveralindividualsfromIndiatoaccept.Wefeltthatitwouldbeunfairtootherapplicantsifweweretogobeyondanallocationof5%ofthetotalfundstoanyoneindividual;(ii)wewouldhavelikedtoasksomeearlycareerresearcherstopresentinvitedtalks.Much

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5

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20

25

30

35

40

No.Parxcipants

ParxcipantsbyCountryandGender

M F

excellentworkisbeingdonebysuchindividualsandaninvitedtalkatanIAUSymposiumisawonderfulindicatorofesteemontheirCVs.TheIAUrulethattravelgrantscannotbeawardedtoinvitedspeakersmeantthatveryfewwereabletoacceptsincetheirtravelfundingisusuallyverylimited.TheSOCsuggestthatthisruleshouldbewaivedforPhDstudentsorpostdoctoralfellowsinvitedtogivereviewpapersatIAUmeetings.

FamilyNameFirstname Gender Country Nationality IAUAWARD RECEIPT

Anderson Dana F USA US 565 YArturdelaVillarmoisElizabeth F Denmark Argentine 575 YAyling Sean M UK UK 300 YBonfim Victor M Brazil Brazil 400 YCarroll Paul M USA US 430 YChen Tao M NL China 300 YChuang Ko-Ju M NL Taiwan 300 YCooke Ilsa F USA NewZealans 500 YDrake Natalia F Brazil Russia 300 YDrozdovskayaMaris F Switzerland Russia 300 YGavilan Lisseth F France Peru 500 YGreen David M Mexico Mexico 600 YHernandez Antonio M Mexico Mexico 300 YHollands Mark M UK UK 500 YJacobsen Steffen M Denmark Denmark 575 YKalvans Juris M Latvia Latvia 680 YLopez John M Australia Australia 300 YMassalkhi Sarah F Spain Denmark 300 YMcGuire Brett M USA US 420 YMurillo Nadia F NL CostaRica 300 YNeupane Sudeep M Chile Nepali 455 YOrkisz Jan M France France 625 YPauly Tyler M USA US 300 YPinotti Rafael M Brazil Brazil 300 YPunanova Anna F Germany Russian 500 YQuenard David M UK France 300 YRachid Marina F Brazil Brazil 450 YRivilla Victor M Italy Spain 300 YSchmidt Deborah F USA US 500 YTeague Richard M Germany UK 300 YVandeSandeMarie F Belgium Belgium 500 YWalsh Catherine F UK UK 325 YWillis Eric M USA US 500 YZahorecz Sarolta F Hungary Hungary 600 Y

IAUTravelGrants TOTAL 14400

IAUS332TRAVELGRANTS

(v)ExecutiveSummary(1-2pagesforIAUwebsite)AstrochemistryVII–ThroughtheCosmosfromGalaxiestoPlanetswasthelatestinaseriesofIAUSymposia,heldevery6orsoyears,onthetopicofastrochemistry,asubjectthathasbecomemuchmorecentraltomodernastronomysincethefirstIAUSymposiumofitskindheldinGoain1985.SincethelastIAUSymposiumonthetopic,heldin2011,thereleaseofexcitingnewresultsfromfacilitiessuchasHerschel,ALMA,NOEMA,SOFIAandRosettahavechallengedourunderstandingofthephysicalandchemicalprocessesatworkinobjectssuchascomets,diffuseclouds,high-andlow-massstarformingregionsandcircumstellarenvelopes.ThepromiseofnewobservatoriessuchastheJWST,theSKAandtheE-ELTmadethisanopportunetimetoreviewthefieldandtoplanforthefuture.TheSymposiumwassponsoredbyDivisionsH,BandFandCommissionsH2,B5andF3.Inthiscontext,andgiventhehugeamountofdataavailablefromALMA,itseemedappropriatetoholdAstrochemistryVIIinChile,inthebeautifullakesideresortofPuertoVaras.TheconferencevenuewastheHotelCumbreswhichprovidedahighlevelofserviceforboththescientificdiscussionsandthesocialaspectsofthemeeting.Thescientificdiscussionsweredividedbetweenninemajorthematicareas:

1) astrochemistryathighredshifts,2) astrochemistryinextremeregions,3) interstellardust,4) molecularclouds,5) protoplanetarydisks,6) exoplanetsandsolarsystemobjects7) observingfacilities,8) laboratoryastrophysics,and9) hottopics.

Toaiddiscussion,theSOCidentified6Keynoteand15Invitedspeakers,(13malesand8females).TheScientificOrganisingCommittee(SOC)reviewedandscoredallsubmittedabstractsandselectedafurther36oralcontributions,takingintoaccountscientificimpact,gender,geographicaldistributionandstageofcareer.Keynoteswereallocated40mins,invitedreviews30minsandoralcontributions20mins,includingdiscussiontime.116posterpresentationswerealsoaccepted.Intotal,169individuals,111malesand58females,from25countriesattendedwiththeUSA(37)andChile(22)registeringthehighestnumbersofparticipants.IndividualsessionswerechairedbymembersoftheSOCandotherseniorattendeeswhilstavarietyofPDRAsandPhDstudentssupportedthelogisticsthroughoutthesessions.The116postersweredividedintotwosessionsonTuesdayandThursday,lasting90and100minsrespectively,andasmallgroupawardedprizesto6individuals,threefromeachsession.ThewinnerswereKo-JuChuang(Leiden),AnnaMiotello(Leiden),VictorRivilla(Arcetri),RichardTeague(Munich),MarievandeSande(Leuven)andMerelvan’tHoff(Leiden).

JohnCarpenter(JAO,Santiago)heldaverypopularsessiononALMAinwhichheoutlineditsnewcapabilitiesandgaveadviceonproposalwritingandALMAtools.EwinevanDishoeck(Leiden)alsomadeaspecialpresentationon‘WomeninAstronomy’,summarisingtheresultsoftherecentIAUsurveyonthistopic.SheencouragedparticipantstocontactherwithanyideasonhowtheIAUcouldgrowthenumberofitsfemalemembers.TheSymposiumproceedings,editedbyMariaCunningham,YuriAikawaandTomMillar,aretobepublishedbyCambridgeUniversityPress.Inadditiontothescientificsessions,theattendeesenjoyedawelcomereceptiononMonday20MarchandabustouronWednesday22MarchtotheVicentePérezRosalesNationalParkwithastopattheSaltosdelPetrohuéwaterfallsandaboattripontheLagodeTodoslosSantos.TheconferencedinnerwasheldattheHotelDreamsdelosVolcanesonThursday23March,afterwhichtheSOCChair,TomMillar,gave–inhisownwords–‘ashort,wittyanderuditeafter-dinnerspeechonastrochemistry’andpresentedprizestothepostercompetitionwinnersandatokenoftheSOC’sappreciationtoMelissaMcClure(ESO)forherwonderfuldesignoftheconferenceposter.Theorganiserswouldliketothankanumberofinstitutionsforprovidingorganisationalandfinancialsupport:inparticular,theIAUfortheawardoftravelgrantsto34participants,20malesand14females,some19nationalitiesbasedin16countries;NRAO;ALMA;ESO;Queen’sUniversityBelfast;theUniversityofNewSouthWales;theUniversidaddeChile,andthejournal,MolecularAstrophysics.TheLocalOrganisingCommittee,whichwasablychairedbyGautierMathys,whobroughthisorganisationalskillsandexperiencetothiskeyrole,comprisedofNataliaInostroza,DiegoMardones,SergioMartin,LarsNyman,AnnEdmunds,MariaGomez,PaulinaJirónandUrsalaThrom.TheyperformedtheirdutiesbothbeforeandduringtheSymposiuminahighlyeffectivemannerandthefactthattheSymposiumransosmoothlyisatestamenttotheirprofessionalapproachandtothefactthatmanyoftheLOCremainedonsitethroughoutthedurationofthemeetingtoensureattendeeshadastress-freeexperience.TedBergin,MariaCunninghamandTomMillar,asCo-Chairs,weregreatlyaidedintheirdutiesbytheothermembersoftheSOC:SusannaAalto,YuriAikawa,JacobBean,DominiqueBockelée-Morvan,PaolaCaselli,PierreCox,JesJørgensen,SunKwok,FaridSalama,StephanSchlemmerandSatoshiYamamoto.TedBergin,MariaCunningham,TomMillar(Co-Chairs,IAUS332)