Future MmSubmm Instrumentation and Science Opportunities Exa(10)

During the next decade a tremendous advance will take place in instrumentation for spectroscopy of the interstellar medium. Major new facilities (ALMA, SOFIA, APEX, LMT, Herschel and others) will be constructed and commissioned, so that the science opportu

10Phillips,Vastel:Futuremmandsubmminstrumentation

tionoftheinterstellarmediumwhichiscoldenoughforstrongfractionationandCOdepletion(fC)approaches10 3,thentherewillbeasigni cante ect:fD×fC≥10 3

(11)

WeknowthatfD～10 1,ormoreinsomecases,soiffC≥10 2,measuredvaluesofthedeuteriumabundancemaybesigni cantlya ected.

Acknowledgements

WeacknowledgesupportfromtheNSFundercontractAST-9980846.WethankEricHerbst,JohnPearson,TomMillarandDieterGerlichforhelpfulconversations.Wearealsograte-fultoPaulGoldsmithforprovidingusthe guresofSWASobservationstowardsSgrB2,W49NandW51.

References

Alves,J.,Lada,C.J.,Lada,E.A.,1999,ApJ515,265

Bacmann,A.,Le och,B.,Ceccarelli,C.,Castets,A.,etal.,

2002,A&A389,6

Bergin,E.A.,Langer,W.D.,1997,ApJ486,316

Bergin,E.,Ciardi,D,Lada,C.J.,Alves,J.,Lada,E.A.,2001,

ApJ557,209

Carney,G.D.,1980,ChemicalPhysics54,103

Caselli,P.,Walmsley,C.M.,Tafalla,M.,Dore,L.,Myers,P.C.,

1999,ApJ523,165

Caselli,P.,etal.,inpreparation

Caux,E.,Ceccarelli,C.,Pagani,L.,Maret,S.,etal.,2002,

A&A383,9

Ceccarelli,C.,Hollenbach,D.,Tielens,A.G.G.M.,1996,ApJ

471,400

Ceccarelli,C.,Castets,A.,Loinard,L.,Caux,E.,Tielens,

A.G.G.M.,1998,A&A338,43

Ceccarelli,C.,Vastel,C.,Tielens,A.G.G.M.,Castets,A.,et

al.,2002,A&A381,17

Cernicharo,J.,Liu,X.-W.,Gonz´ales-Alfonso,E.etal.,1997,

ApJ483,L65

Charnley,S.B.,1997,MNRAS291,455

Comito,C.,Schilke,P.,2001,ESASP460,389

Comito,C.,Schilke,P.,Lis,D.C.,etal.,inpreparationFields,B.D.,Olive,K.A.,,Silk,J.,Cass´e,M.,Vangioni-Flam

E.,2001,ApJ563,653

Jessop,N.E.,Ward-Thompson,D.,2001,MNRAS323,1025Kramer,C.,Alves,J.,Lada,C.J.,Lada,E.A.,etal.,1999,

A&A342,257

Linsky,J.L.,1998,SpaceSci.Rev.84,285

Lis,D.C.,Roue ,E.,Gerin,M.,etal.,2002,ApJ571,55Loinard,L.,Castets,A.,Ceccarelli,C.,Tielens,A.G.G.M.,et

al.,2000,A&A359,1169

Loinard,L.,Castets,A.,Ceccarelli,C.,Caux,E.,Tielens,

A.G.G.M.,2001,ApJ552,163

Millar,T.J.,Bennett,A.,Herbst,E.,1989,ApJ340,906Moos,H.W.,Sembach,K.R.,Vidal-Madjar,A.,etal.,2002,

ApJS140,3

Neufeld,D.,Zmuidzinas,J.,Schilke,P.andPhillips,T.G.,

1997,ApJ488,L141

Neufeld,D.A.,Ashby,M.L.N.,Bergin,E.A.,Chin,G.,etal.,

2000,ApJ539,111

Neufeld,D.A.,Kaufman,M.J.,Goldsmith,P.F.,Hollenbach,

D.J.,Plume,R.,2002,ApJ580,278

Parise,B.,Ceccarelli,C.,Tielens,A.G.G.M.,Herbst,E.,2002,

A&A393,L49

Phillips,T.G.&Keene,J.,1992,IEEEP80,1662

Plume,R.,Neufeld,D.A.,Kaufman,M.J.,Bergin,E.A.,et

al.,2003,inpreparation

Roberts,H.&Millar,T.J.,2000a,A&A361,388Roberts,H.&Millar,T.J.,2000b,A&A364,780Rodgers,S.D.,&Charnley,S.B.,2001,ApJ553,613Roue ,E.,Tin´e,S,Coudert,L.H.,PineaudesF orets,G,et

al.,2000,A&A354,L63

Schilke,P.,Groesbeck,T.D.,Blake,G.A.,Phillips,T.G.,1997,

ApJS108,301

Schilke,P.,Benford,D.J.,Hunter,T.R.,Lis,D.C.,Phillips,

T.G.,2001,ApJS132,281

Stark,R.,VanderTak,F.,vanDishoeck,E.,1999,ApJ521,

67

Stark,R.,etal.,inpreparation

Tielens,A.G.G.M.,1983,ApJ119,177

Tytler,D.,Burles,S.,Lu,L.,Fan,X.-M.,etal.,1999,AJ117,

63

Turner,B.E.,1990,ApJ362,29

VanderTak,F.,Schilke,P.,Muller,H.S.P.,etal.,2002,A&A

388,L53

Vastel,C.,etal.,inpreparation

Vidal-Madjar,A.,Proceedingsof”CosmicEvolution”Confer-ence,Paris,November2000

Willacy,K.,Langer,W.,Velusamy,T.,1998,ApJ507,171Wright,C.M.,vanDishoeck,E.F.,Cox,P.,Sidher,S.D.,

Kessler,M.F.,1999,ApJ515,29