dr. terri j. brandt - nasa · 2020 decadal survey perspectives dr. terri j. brandt chief scientist,...
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2020DecadalSurveyPerspectives
Dr.TerriJ.BrandtChiefScientist,Acting
NASA’sPhysicsoftheCosmosProgram
RA202020Aug2018
LosAlamosNationalLab
Process➢ NationalAcademyofSciences(NAS):“The2020-2030AstronomyandAstrophysics
DecadalSurvey(Astro2020)isapartnershipbetweentheNationalAcademiesandtheastronomicalcommunitytosurveythefieldofastronomyandastrophysicsandprovideprioritiesforthemostimportantscientificandtechnicalactivitiesofthedecade2020-2030.Itservesasaguideforscientists,policymakers,andagenciesalikeinvestedintheastronomicalsciences.Thesurveyisdrivenbyinputfromthescientificcommunityandledbyasurveycommittee.”
➢ “TheastronomyandastrophysicsdecadalsurveyisalargeandinfluentialstudyrunjointlybetweentheBoardofPhysicsandAstronomyandtheSpaceStudiesBoardoftheNationalAcademies.Theinstitutionalgoalofadecadalsurveyistoconsiderthepastandcurrentresearchofthefieldandprovideconsensusrecommendationsforthedirectionofthefieldoverthenextdecade.Theserecommendationsaremadebyasurveycommitteewhoaredirectedbythestatementoftaskandinformedbycommunityinput.”
http://sites.nationalacademies.org/SSB/CurrentProjects/SSB_185159
➢ NASAusestheDecadalSurveytosetfundingpriorities.
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Process(continued)➢ “TheStatementofTaskisbeingnegotiatedbytheAcademiesandthepotentialsponsors
ofthesurvey.OncetheprojectisfundedtheTaskwillbepostedhere.”http://sites.nationalacademies.org/SSB/CurrentProjects/SSB_185159
➢ Negotiatingsponsors:NASA,NSF,andDoE ➢ TheCommitteeonAstronomyandAstrophysics(CAA)helpstheNationalAcademiesand
Agenciesthinkaboutissuesrelevanttogeneratingthetaskstatement,“stimulateandgathercommunityinputpriortotheSurvey,andpavethewayintotheSurvey”.
➢ includinglessonsfrompreviousSurveysandthemid-decadalreportinput ➢ CoChairs:MarciaRieke(UofAZ)andSteveRitz(UCSC) ➢ “Participationinwhitepaperswillnotnecessarilydisqualifyauthorsfromserviceon
Surveypanels.” https://www.nsf.gov/attachments/242692/public/RiekeMarcia_RitzSteve_NRCCAAUpdate2_150PM.pdfhttp://sites.nationalacademies.org/BPA/BPA_048755
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Timeline➢ AsoftheAcademieswebsite16Aug2018:
--2018JanuaryAASTownHall –2018MarchAstro2020proposalsubmittedtoAgencies –Summer:ScienceWhitePapercallissued –2018≤DecemberChairselected –2019JanuaryAASTownHallandothercommunityoutreachactivities Itwilltake~2yearstocompletethesurveyprocessandreleasethereport.
➢ NB:identicaltopresentationbyCAACoChairs(personalassessment)toAAACinJan2018 (AAAC=TheAstronomyandAstrophysicsAdvisoryCommitteefederaladvisorycommittee) ➢ “Membersofthesurveycommitteewillbeappointedafterfundingfromthesponsorsis
received.Theappointmentofthemembershipofthesubpanelswilloccurafterthat.” ➢ SurveyStructure:determinedbytheSurveyCommitteeafterit’sappointed ➢ NationalAcademy’sstatementoncommunityinput:
“Communityinputisessentialtothedecadalsurveyprocess.Thecallforsciencewhitepapershasbeenissuedandinstructionsforpreparingandsubmittingthewhitepapersarebelow.Thewindowforsubmissionofsciencewhitepaperswillbebetween12:01amEST,Monday,7January2019and11:59pmFriday,18January2019.”
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CommunityScienceWhitePapers➢ CallforcommunitysciencewhitepapersissuedbyCAAJuly2018
http://sites.nationalacademies.org/SSB/CurrentProjects/SSB_185159➢ Submissionwindow:7-18January2019➢ Instructions:
http://sites.nationalacademies.org/cs/groups/ssbsite/documents/webpage/ssb_187932.pdfHighlights:➢ PastwhitepapersinformedtheDecadalSurveycommitteeaboutwhatthecommunity
viewsasimportantsciencetopicsandprovidedguidanceaboutareasneedingdeeperexamination.
➢ TheCAAencouragescollaborationonsciencewhitepapers.➢ Contributingtoand“evenleadingawhitepaperdoesnotnecessarilyprecludeone's
selectiontotheSurveyCommitteeoroneofitspanels”.➢ CAAanticipatesanadditionalcall(s)forwhitepapersonstateoftheprofessionandon
missions,projects,andtechnologydevelopment
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Content:Focusonscienceandcontext:
➢ “Whitepapers...shouldspecificallyandsuccinctlyidentifynewscienceopportunitiesandcompellingsciencethemes,placethoseinthebroaderinternationalscientificcontext,anddescribethekeyadvancesinobservation,experiment,and/ortheorynecessarytorealizethosescientificopportunitieswithinthedecade2020-2030.”
➢ Whitepapersshould:
➢ Identifyscientificopportunitiesandcompellingscientificthemesforthecomingdecade,particularlyfromrecentadvances
➢ Describethescientificcontextoftheimportanceoftheseopportunities,includingconnectionstootherpartsofastronomyandastrophysicsandsciencemorebroadly
➢ Whilefocusingonscience,notspecificmissionsorprojects,describeandquantifythekeyadvancesinobservation,measurement,theory,and/orcomputationnecessarytorealizethescientificopportunitieswithinthedecade2020-2030andbeyond.
Style:(notdescribedincall;fromdiscussionwithvariouscommunities’members)➢ Anticipatethatshorter,science-focusedwhitepapersaimedatbeingmorepersuasive,w
referencestopublishedworkswillbemosteffective.
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CommunityScienceWhitePapers
➢ “Whitepapersshouldidentifyaprimarythematicsciencearea(and,ifrelevant,asecondaryarea)...”
➢ Thematicareas:1. PlanetarySystems2. StarandPlanetformation,includingmolecularcloudsandthecoldinterstellarmedium,dust,and
astrochemistry3. StarsandStellarEvolution,includingthestructureandevolutionofsingleandmultiplestars,andbrown
dwarfs.4. Formationandevolutionofcompactobjects,includingstellar-massblackholes,neutronstars,white
dwarfs,supernovae,mergersofcompactobjects,gamma-raybursts,accretion,productionofheavyelementsandotherextremephysicsonstellarscales.
5. Resolvedstellarpopulationsandtheirenvironments,includingthestructureandpropertiesoftheMilkyWayandnearbygalaxies,theirstellarpopulationsandevolution,aswellasinterstellarmediaandstarclusters.
6. GalaxyEvolution7. CosmologyandFundamentalPhysics,includingdarkmatteranddarkenergy,astroparticlephysics,
testsofgravity,andastronomicallydeterminedphysicalconstants.8. MultimessengerAstronomyandAstrophysics,includingthesourcesofgravitationalwaves,
astrophysicalandcosmogenicneutrinos,cosmicraysandgammarays,andthecoordinatedmulti-messengerandmultiwavelengthfollow-ups.
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CommunityScienceWhitePapers
Formatting:
Requestduetoanticipatedlargevolumeofpapers:➢ 5pages,includingallfigures,tables,andappendicesandnotreferencesandauthorlist➢ Additionalcoverpage,includingthetitle,thethematicsciencearea(s),andauthorlist➢ 12-ptfont,singlespaced,with1-inchmarginsonallsidesofthedocument➢ Onlypdfformataccepted
Templatewillbeprovided.
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CommunityScienceWhitePapers
Otherefforts=>opportunitiesforcoordination,collaboration,etc:
➢ ThePhysPAG’sGamma-raySIG:➢ facilitatingthegamma-raycommunities'whitepapersvia
■ ~monthlyteleconsandin-personmeetingsinMay2018,Oct2018,…■ todiscussthecommunity'spossiblestrategiesandtostartwritingwhitepapers
➢ Currentlydiscussing5whitepapers:■ Whatis/aretheorigin/sandevolutionofstellarmassandsupermassiveblackholes?
https://docs.google.com/document/d/1a4lFhwCo9HkXbZmxGN7OIRFUqHA0CywjxOWBgvlSZLs/edit?usp=sharing■ Howareelementscreated?
https://docs.google.com/document/d/1Y6-ghlWKt66v-yonKOf4IHTp4OQYFd-gH0zKxRjeuL8/edit?usp=sharing■ DarkMatter
https://docs.google.com/document/d/1tnjzpLyKYVXHpETnsSY_3qtfZ_4g5iU-mcrHyrkk3ec/edit■ Whatistheoriginandcompositionofrelativisticjets?Howareparticlesacceleratedto
highenergies(orwhatistheoriginofcosmicrays)? https://docs.google.com/document/d/16Y--YsSnOwvPNoujEoK6RglfMze1ZHkEus10M5hDNs0/edit?usp=sharing
■ Multimessengerastrophysics=>incoordinationwithMMASAG(co-chairJohnTomsick)➢ Whitepaperswillcross-referenceeachother,wMMAwhitepaperasoverview➢ LookingforinputonDecadalstrategyandwhitepaperparticipantsandleads➢ Happytocoordinate/collaboratewithfolksatthisconferenceand/ormergeefforts
onanelementcreationwhitepaper!
https://pcos.gsfc.nasa.gov/sigs/grsig/
CommunityScienceWhitePapers
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Otherefforts=>opportunitiesforcoordination,collaboration,etc:
➢ ThePhysPAGMultmessengerAstrophysics(MMA)ScienceAnalysisGroup(SAG):➢ OpentoENTIREcommunity➢ Messengersinclude
■ photonsofallwavelengths,■ gravitationalwaves,■ cosmicrays,■ neutrinos,■ etc.
➢ Teamsorganizedbytopic:■ AGN,SMBHbinaries,EMRIs
Leads:SarahBurke-Spolaor,BinduRani■ NS+NS,NS+BH,WD-WDbinaries,GRBs.
Leads:EricBurns,ColleenWilson-Hodge■ StellarmassBH-BHbinaries
Leads:SaavikFord,PeterShawhan■ FRBs,SNeIa,SNremnants
Lead:GeoffClayton➢ Bi/weeklytopicalteammeetings,monthlyMMASAGmeetings➢ MMASAGwelcomesyourparticipationinwritingwhitepapers!
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CommunityScienceWhitePapers
Otherefforts=>opportunitiesforcoordination,collaboration,etc:➢ Space-basedGravitationalWaveCommunity
➢ organizedaroundLISA(ESA-ledmissionwUScontribution)➢ NASALISAStudyTeam
➢ Establishedasetofkeysciencewhitepapers,volunteerwriters,andmet*inFebforawhitepaperwritingworkshop.(*includingwremoteparticipants)
➢ On-goingcollaborativewritingusingonlinetools ➢ MeetinginOcttocontinuewriting/editing
➢ GWSIG:coordinatingcommunityandNLSTeffortshttps://pcos.gsfc.nasa.gov/sigs/gwsig.php andwhitepaperslisttherein
➢ Space-basedX-rayCommunity
➢ Lynxlargemissionconceptstudy ➢ InstrumentpapersinspecialeditionofSPIEJournalofAstronomical
Telescopes,Instruments,andSystems ➢ Plantopublishsciencewhitepapers
➢ ~3X-ray/softgamma-rayProbestudies:STROBE-X,TAP,AXIS➢ X-raySIG:assistingcommunityinorganizingwhitepapers
https://pcos.gsfc.nasa.gov/sigs/xrsig.php
CommunityScienceWhitePapers
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CAAReportonNASADecadalActivities➢ NASAAstrophysicsrequestedthattheCAAreviewNASA'sAstro2020DecadalSurvey
preparationactivitiesinordertoimprovethevalueofNASA’spreparations.https://science.nasa.gov/astrophysics/2020-decadal-survey-planning/
➢ Report6Aug2018:https://www.nap.edu/catalog/25212/report-series-committee-on-astronomy-and-astrophysics-mission-concept-studies?utm_source=NAP_embed_book_widget&utm_medium=widget&utm_campaign=Widget_v4&utm_content=25212
Findings:➢ CAAcommendsNASAforsustainedandwell-consideredpreparationefforts,namelythe
4largemissionstudiesandtheProbestudies.thatcouldimprovevaluetoAstro2020:1. Clearlyshowkeymissionrequirements,derivedfromsciencedriversandtheirimpact
onthedesign,egsciencetraceabilitymatrix.2. Missionconceptstudiescouldincludepossibledescope&upgradeoptionswithrelated
impactonscienceandcost.Implicit:prioritizemissioncapabilities.3. Riskevaluationandenumerationisessential,andtoclearlycommunicate.4. Similarlevelsofdetailwillhelpensureaclearbasisforcomparisonofmissionconcepts.5. Totheextentpossiblegivenresources,optimizethemissiondesignandpresentation.6. MissionconceptsthatdidnotgetNASAsupportmaystillsubmittodecadal;anticipate
continuedopensubmissionpolicy.7. AffordabilityandbudgetguidancehelpalignstudiestoDecadalSurveyneeds.
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Doesn’ttheDecadaljustcareaboutthebigstuff?➢ Recentdecadesandmid-decadalhaveparticularlyfocusedonbalance,egemphasison
suborbitalprogramandR&A,andstrategicinvestments,egStrategicAstrophysicsTechnologyprogram
➢ Derivedfromcompellingsciencecase(s)laidoutinwhitepaperstotheDecadal(andinputstothemid-Decadal)
https://www.youtube.com/watch?v=eaXmIPHrHmYhttps://www.youtube.com/watch?v=lmCBWGDXLf0 14
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