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NATIONALASTRONOMY&IONOSPHERECENTER
OperatedbyCornellUniversityundercooperativeagreementwiththeNationalScienceFoundation



MANAGEMENT OPERATIONS and ASTRONOMICAL SCIENCES




2006PROGRESSREPORT 2007PROGRAMPLAN

StudentsattheUniversityofTexas,Brownsillecontrolthe Arecibotelescopefromtheirremotecontrolcenter.

March2007



NATIONALASTRONOMY&IONOSPHERECENTER
OperatedbyCornellUniversityundercooperativeagreementwiththeNationalScienceFoundation

MANAGEMENT OPERATIONS and ASTRONOMICAL SCIENCES


2006PROGRESSREPORT 2007PROGRAMPLAN





March2007

CooperativeAgreementNo.AST-0431904



Table of Contents1
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 IntroductionandOverview1 AnnualProgressSummary2 2.1SummaryofAchievementsinPY20062 2.2ProblemsEncountered,SolutionsandImpact7 2.3ListofObservingPrograms,Investigators,andHours-PY20068 2.4VisitingPublicattheObservatory 3.1Cosmology27 3.2EarlyGalaxies28 3.3ActiveGalaxies28 3.4NormalGalaxiesandClusters29 3.5IntergalacticGasandTidalRemnants30 3.6MilkyWayGalaxy31 3.7Pulsars33 3.8SolarSystem33 3.9FundamentalPhysics37 4.1RadioAstronomyInstrumentation38 4.2IF/LOSystem40 4.3Backends41 4.4Computing:StorageandNetworking42 43 5.1AngelRamosVisitorCenter 43 5.22006REUProgram46 5.3ConnectingtoArecibo52 5.4ALFALFAVisitingScientists52 27

AccomplishmentsandPlansoftheNAICScientificStaff27

TechnicalAccomplishmentsandExpectations38

NAICEducationandOutreachPrograms

AreciboObservatoryPublications-PY200654 NAICExternalFederalFundingandActiveSubcontracts65 DivisionofEffortforStaff67 NAICOrganizationChartandDescription71 9.1ManagementPlan:OrganizationCharts 9.2VitaeofNewProfessionalStaff74 71

1

The contents, headings and order of topics presented here are as specified in the NAIC Coopertative Agreement.


Table of Contents continued
APPENDIX A:Committees107 Section 10 Section 11 Section 12 StatusReportandPlanforPY200775 10.1ScientificPlans75 10.2TechnicalPlans87 10.3MajorProjectPlans92 10.4OperationalChangesinResponsetotheSeniorReview RecommendationsforNAIC93 11.1MajorProgramGoalsandEmphasis95 11.2RiskFactorsAffectingProgramGoals96 11.3Management,Contractual,FinancialandTechnicalIssues97 11.4RequirementsforSupportoftheScientificCommunity99

LongRangeReportandPlan95

BudgetReport103


1. Introduction and Overview
The National Astronomy and Ionosphere Center (NAIC) radio/radar telescope located in Arecibo, Puerto Rico, is the instrument that provides more collectingarea--more"lightgatheringpower"--for centimeter-wave radio science than any competitivetelescopeintheworld.Operatedasanational research facility by Cornell University for the National Science Foundation (NSF), the Arecibo telescope in fact provides nearly three times the collecting area of all the other NSF-sponsored radio telescopes combined. The sheer physical size of theArecibotelescopemakesitauniquelypowerful research instrument. Unique also to the Arecibo Observatoryisthe programof researchsupported bythetelescopeandthediversityofinterestsofthe scientificusercommunityitserves.Operationofthe AreciboObservatorytosatisfytherequirementsof thisinterdisciplinaryusercommunityistheprimary responsibility of the scientists, engineers and staff of the NAIC. Management of NAIC as a national facilityisprovidedbyCornellUniversityunderaCooperativeAgreementwiththeNSF2. Described in this PY2007 NAIC Annual Progress Report and Program Plan (APRPP) are the major achievements of the past program year, the plans to meet the major challenges of PY2007, and an outlineofNAICprioritiesthatinformitslong-range planning. HighlightsoftheNAICachievementsinPY2006describedinthisAPRPPinclude: · Completion of the first year of observations made by two of the legacy sky surveys to be done with the Arecibo LbandFeedArray(ALFA)bycommunitybased ALFA consortia. Scientific results publishedandsubmittedforpublication fromboththePALFApulsarsurvey,and the ALFALFA survey of HI in galaxies in thelocal(z<0.1)universe,demonstrate the fruitfulness of the survey programs. They also create data products that are accessibleon-line,andusefulasresearch
2 CooperativeAgreementNo.AST-0431904betweentheNational ScienceFoundation,Arlington,VA22230andCornellUniversity, Ithaca,NY,14853,datedOctober1,2005.

tools, to the much wider astronomical community. · Routine scheduling of "commensal" observations, simultaneous observations done by two or more academic research groups with different scientific objectives,eachprocessingthesameastronomical signal with its own purposespecificspectrometer; · Completion of the engineering design phase of two new spectrometers, the EALFA spectrometer, designed to enable sensitive spectroscopy of atomic hydrogeningalaxiestoz=0.2,andthe PALFA spectrometer that will triple the analyzed bandwidth used for pulsar searches and timing. Contracts for fabrication of the two new spectrometers have been let with delivery expected in thefirstquarterofcalendaryear2007. · Completionofthecontracttocleanand paint all of the structural steel on the telescope platform to remove accumulatedcorrosionandmillscale,andtoapplyacoatingspecificallyselectedtoprotectthesteelforatleast20years. In PY2007 the emphasis at NAIC is on making the programmatic and personnel changes necessary forNAICtofunctionwellatthelowerfundinglevel recommendedbytheSeniorReview,andtodevelop new scientific partnerships with the NAIC user community for archiving survey data and making the data products accessible for data mining. The highlightsinclude: · Tailoring Observatory services to the ALFA survey consortia to the downstreamneedsofdataarchivinganddata access through involvement with the Virtual Observatory. In the cost-constrained environment at NAIC imposed by the reduced funding recommended by the Senior Review, this means that the data archiving and data access support comes at the expense of services providedtotheconsortiainthedata-takingphaseoftheirsurveywork. · Using the recommendations of the Arecibo Users and Scientific Advisory Committee (AUSAC) to develop telescope scheduling procedures that assure the survey programs receive the time an 1

NAICAPRPP2007










nually they require for their successful execution, and the traditional commonuser programs maintain full access to the telescope and to Observatory user supportservices. · Assuring that the staff reductions imposed by the Senior Review are accompaniedbyacommensuratereductionin the scope of Observatory tasks so that the burden on the Observatory support staff members remains manageable for eachindividual. Onthelongerterm,prioritieswitha5-yearorgreaterhorizoninclude(a)organizationofacademicresearchers to specify the scientific and technical requirementsforacomprehensivesearchforsources oftransientcosmicradioemission;(b)organization of academic researchers to specify the scientific andtechnicalrequirementsforanincoherentscatter ionospheric radar facility to be located at the Arecibo magnetic conjugate point in Argentina; and (c) refinement of the U.S. participatory role in theinternationalSquareKilometerArrayproject. As a NSF National Center, the NAIC shares in the NSF mission: To promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense; and for otherpurposes3.Overtheyearsthephrase"other purposes" has been defined by Congressional actiontoinclude(1)fosteringtheinterchangeofscientificandengineeringinformationnationallyand internationally; (2) supporting the development of computer and other methodologies; and (3) addressingissuesofequalopportunityinscienceand engineering.TheNAICPY2007ProgramPlanfully embracesallthesegoalswiththesuiteofprograms andcommunitysupportoutlinedinthisAPRPP.

NAIC Arecibo Observatory. There were more users of the NAIC facilities at the Arecibo Observatory, more prospective users proposing to use the facilities,morestudentsinvolvedwiththeresearch at NAIC, and more publications from research at NAICthanatanytimeinthepast.

Science Achievement Highlights. NAIC supports a multidisciplinary science program with research facilities for passive radio astronomy, active radio astronomy done using radar transmitters at 430MHzand2300MHztoilluminatesolarsystem objects, and upper atmospheric research. In the astronomy program, recent science highlights include:
· Best limits ever achieved on dipolar gravitational wave emission. Pulsar J1738+0333 is a 5.85-ms object in a binarysystemwithanorbitalperiodof8.5 hours; the companion object is a white dwarf. High precision timing of the pulsar orbital dynamics reveals that the orbit is decaying due to dipolar gravitational wave emission at a rate of 4.4 x 10-14s/s,avaluethatisexactlyconsistent with that expected from General Relativity. This is the most precise measurement ever made of the effect of dipolar gravitationalwaveemission. · Frequency structure has been observed in pulses from the Crab Nebula pulsar that is unresolved with a sampling rate of 0.4 nanoseconds; the corresponding physicalsizeoftheemissionregionmust be less than 13 cm, about the size of a grapefruit. This is, by far, the smallest astronomical object, a plasma cloud or plasma interaction region, ever detected beyond the solar system. During its short lifetime, the blasts of radio emission from the region have a luminosity that exceeds 10 percent of the total luminosityofthesun. · OHemissionwasobservedinthecomet 9P/Tempel1fortwomonthspriortothe NASA Deep Impact penetration of the comet nucleus, and for several weeks followingtheimpact.OHisasecondary product arising from the photodissociation of water. The OH production rate after Deep Impact was immeasurably different from the OH production rate prior to impact suggesting that the OH
NAICAPRPP2007

2. Annual Progress Summary
2.1 Summary of Achievements in PY2006
PY2006 was an exceptionally productive year for NAIC in all areas. By any objective measure, the NAICProgramYears2005and2006werethemost successful in the more than 40-year history of the
3

NationalScienceFoundationActof1950,PublicLaw810507.

2














·

·

·

·

emission is being quenched in the intems formed, the properties they share nercomaowingtotheincreasedabunandthedynamicsoftheirmotion. danceofwaterproducedintheimpact. · Using the highest resolution radar imThe supernova rate in the prototypical ages ever made of the moon, planetary ultraluminous infrared galaxy Arp 220 astronomers found no evidence for ice has been measured by means of VLBI in the craters at the lunar south pole. observationsofthenucleus.AcompariThere had been speculation that reserson of VLBI observations made on two voirsofwaterexistedintheformofperepoch separated by a year revealed the manent ice sheets in shadowed lunar presence of 4 new radio supernovae in craters at the pole. The radar images the later epoch that were not present made at Arecibo disprove this conjecin the earlier epoch. The implied star ture, a result that is important for those formation rate that follows from the planning extended human exploratory observed supernova rate is sufficient to missionsonthemoon. poweralltheinfraredemissionfromArp 220.ByincludingtheArecibotelescope Programmatic Achievements in Support of in the VLBI array, the VLBI observations Scientific Research. The number of scientific were the most sensitive ever made, a proposals scheduled on the Arecibo telescope sensitivity ~5 microJy/beam that was since the major Gregorian upgrade of the telecrucialtothedetectionofthenewradio scope was completed in 1999 is shown in Figure supernovae. 2.1.1.Thisplotincludesscheduledproposalsinall Discovery of the second relativistic bithree components of the NAIC scientific program at the Arecibo Observatory, astronomy, planetary nary pulsar, J1903+03, a system that is an ideal "laboratory" for precision tests radarandspaceandatmosphericsciences(SAS). ofGeneralRelativityandforinclusionin the pulsar timing array search for graviThegrowthinthenumberofproposalsscheduled tational waves originating in the big onthetelescopeannuallyderivesfromtwofactors. First, it reflects a deliberate management decision bang; Discovery of a "dark galaxy" near NGC to emphasize the research of new investigators, student investigators, investigators at small institu1156, a galaxy having the mass in neutral atomic hydrogen equivalenttothemass NAIC Scheduled Proposals by Year of the Milky Way, but 250 no apparent starlight. Radio Astronomy The newly discovered Planetary Radar galaxy is approxiSAS 200 Total mately 50 Mpc from theEarthandappears to be about 75 kpc in diameter. The rota150 tional kinematics are consistent with those expectedforagalaxy. 100 Researchers using the AreciboObservatory's powerful radar have 50 made the most detailed observations ever of a binary nearEarth asteroid--two 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 clusters of rubble cirProgram Year cling each other--ofFigure 2.1.1. The of proposals scheduled on the Arecibo fering new clues a function of year. numberarescientificseparatelyfor the three components telescope as Figures shown of the NAIC about how such sys- scientificprogramattheAreciboObservatory.

Scheduled Observing Proposals

NAICAPRPP2007















3


NAIC Users by Year
350 NAIC Staff Cornell Other Users Total

300

250

200

150

100

50

0 1998 1999 2000 2001 2002 Program Year 2003 2004 2005 2006

Figure 2.1.2. The number of users of the NAIC Arecibo telescope in the period since completionoftheGregorianupgrade.

telescope annually and the numberofinstitutionsthese scientists represent has grownconsistentlysincethe completion of the Gregorianupgradeofthetelescope in1999.Thetelescopeuser statistics are shown in Figure 2.1.2. Each person is counted individually and only once in a year, even in thosecaseswhereaperson observesmultipletimesduring the year and/or participates on several scheduled observingproposals.Injust the three year period since 2002 the annual number of users increased by 71% (from193to331).

Number of Users

tionsandinvestigatorsproposingresearchthatcan onlybedonewiththeArecibotelescope(e.g.HIin low surface brightness dwarf galaxies or timing of faintpulsars).InanerawhentheALFAsurveyprograms are of high scientific importance and community agreed priority, the role of the individual investigator,curiosity-drivenresearchmustbeprotected.Second,aconsciouseffortismadetopack thetelescopescheduletightlysothatasmanyproposalsaspossiblewillhaveaccesstothetelescope. Often this involves careful consultation between the 90 proposers and the Observatory telescope scheduler to 80 compromiseonthetimelimitstobeallocatedtoparticu70 lar programs. The fact that the number of proposals 60 being scheduled has been increasing, when the total 50 telescope time for science 40 observations is nearly constant, is one objective mea30 sureofthecooperativespirit that exists between the Ob20 servatoryanditscommunity of users. Clearly, that spirit 10 of goodwill is improving to thebenefitofall. 0
Number of Students 1998 1999

At all the NSF national centersthereisanunmistakable trend for the number of scientists/students on observingproposalstoincrease.Thesametrendcan be easily seen in astronomical publications where theaveragenumberofauthorsperpaperhasbeen increasing steadily for two decades. This growth certainly results from many factors among them being the greater specialization of contemporary astrophysics owing to the expansion in the number and sophistication of research tools, including
NAIC Student Users by Year
Students

2000

2001

2002 Program Year

2003

2004

2005

2006

The number of scientists Figure 2.1.3. The number of graduate and undergraduate students conducting thesis using the NAIC Arecibo researchobservationsontheArecibotelescope.
4 NAICAPRPP2007


software and computational tools. Additionally, there is an unmistakable preference for many researchers to prefer to work in supportive teams ratherthantoworkindependently.Itisimportant that scientific journals, national research centers and funding agencies adapt their processes and procedurestochangessuchastheseastheyoccur. Hence,keepingtrackoftheuserstatisticsatNAICis vitaltothefuturesuccessoftheinstitution. NAIC provides encouragement by means of travel costreimbursementforgraduateandundergraduate students to become actively involved in their thesis research programs on the Arecibo telescope. At NAIC, students are encouraged to get their (trained) hands on the equipment, to make modifications to the observing procedures, and to experiment with novel observing techniques and dataprocessingalgorithms.Largelyforthisreason, there is an active and growing group of students who make use of Arecibo observations as a component of their thesis research. Figure 2.1.3 summarizes the number of graduate students whose observations were scheduled on the Arecibo telescope. Again, for each year an individual graduate student was counted only once, even in those cases where the student observed multiple times oronmultiplescheduledprograms.

sions.AsdescribedelsewhereintheAPRPP,NAIC initiates programs focused on student education involving use of the Arecibo telescope, and it providesinstitutionalsupportforprogramsdeveloped andimplementedbyfacultyadvisorsattheirhome colleges and universities. Often such NAIC institutionalsupportconsistsofassuringthatstudentprogramsarescheduledonthetelescopeatthehours thatareappropriateforclassroomactivities;inother cases NAIC makes its best efforts to assure that travel support, meeting facilities, data transport or softwaresystemsaremadeavailabletostudentresearchers. The success of the NAIC initiatives can beseenquantitativelyinthegrowthofstudentinvolvementwithNAIC(Fig.2.1.3). Thenumberofinstitutionsfromwhichtheusersof theArecibotelescopecomeasafunctionofyearis showninFigure2.1.4.Herethenumbersareseparated between institutions located in the U.S., and foreign institutions. In this plot a particular institution is counted only once a year, even in those caseswhereseveraltelescopeuserscomefromthe sameinstitutioninthatyear.

Programmatic Achievements in Support of Educational Programs in Puerto Rico. For many years, NAIC has exploited the fact that the Arecibo Observatory provides an inspirational setGrowthinthenumberofstudentusersalsoresults, tingforeducationalinitiativesofmanykinds.One of the most successful of these initiatives is the in part, from deliberate NAIC management deciAngel Ramos Foundation NAIC User Institutions by Year Teacher workshops, a num160 ber of one-day workshops areofferedfrequentlyduring US Institutions 140 Foreign Institutions the year. These are coordiTotal Institutions natedthroughlocaluniversities with the Puerto Rico De120 partmentofEducation.Participants at these workshops 100 include pre-service teachers, graduate students in educa80 tion and undergraduates who apply for the program 60 and are selected competitively. NAIC staff members 40 present an overview program of studies that empha20 sizes the scientific goals and methodologyoftheastronomy and aeronomy program 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 at the Arecibo Observatory; Program Year age appropriate materials Figure 2.1.4. Thenumberofinstitutionsrepresentedannuallybyscheduledusersofthe are given to the teachers so NAICArecibotelescope.
5

NAICAPRPP2007

Number of Institutions


that they may communicate the information to theirstudents. ThesuccessoftheNAICteachereducationalworkshopsattheAreciboObservatoryhasledtoanincrease in the private funding we have received to support the workshops, which in turn has led to a further expansion of the program. Figure 2.1.5 illustratesthegrowthinthenumberofteachersin Puerto Rico served by this important NAIC educationalandoutreachprogram.

writtenformanyofthenon-exemptObservatorystaff; ·Improving communication materials to ensure that employees all have the same information regarding their benefits,especiallythehealthcareplan.Fully bilingual information is now being producedanddistributed; ·Implementation of the Cornell standard policy for filling staff vacancies, including internal postings followed by externalcompetition; ·Employee Performance Evaluation. All employees are now presented annually with a writtenevaluationandaperformance dialogue is conducted. The evaluations are linked to the employees' annual performance salary/wage increase. Thisisthesecondyearofformal performance management at NAIC.Manyroughspotsinthe processweresmoothedasaresultoftheexperiencelastyear.

Streamlining the personnel recruitment process has been a particular management objective over the past year. The goal is to eliminate the barriers that have led some reFigure 2.1.5. NumberofteachersinPuertoRicoattendingNAICscienceeducacentrecruitmentstobeunnecessartionworkshopsattheAreciboObservatoryshownasafunctionofyear. ily protracted. Briefly, the process Management Achievements in PY2006. In by which an open position is filled is coordinated PY2006 significant progress was again made toby the HR manager. She works with the involved ward assuring that management practices at the supervisor to update the job description, post the ObservatoryarefullycompliantwithCornellprocejob so that all interested have the opportunity to duresandprocess.Progressintheseareasbenefits apply for it, conduct the search, interview the apdirectly NAIC personnel, not visiting users, but it is plicants, and select the best qualified candidate. no less critical to the success of NAIC. Substantial This process assures transparency and equal opsteps were taken to assure that NAIC employees portunity. Each supervisor, individually, will learn sharefullyinCornellprogramsthatprovideopporthe steps through mentored experience in one of tunitiesforgreatereducational,health,andprofestheir actual recruitments. Delays in some recent sional advancement. Progress made in PY2006 in hiresarethepricewearepayingforeducatingour the area of improved employee benefits includes supervisorsintheprocess. thefollowing: ·Development of comprehensive posiProviding employee benefits, knowledge of those tion descriptions and classifications. All benefits,andprocessesbywhichaccesstothebenObservatorynon-academicpositionsare efitsareknowntoall,andappliedequitablytoall,is beingre-writtenandre-classifiedintothe a continuing task. Further meaningful progress is Cornell standard classification structure. expectedinallthesepersonnelmanagementareas InPY2006NAICcontinuedtoworkwith inPY2007. a private consultant to accelerate the process of getting position descriptions
6 NAICAPRPP2007


2.2 Problems Encountered, Solutions and Impact
Operationally, the biggest challenge to NAIC is the lack of budget stability. Figure 2.2.1 shows the change in NSF funding of NAIC, actual and projected, over a ten-year period relative to the fiducial year 1999. Shown on this plot is the actual funds received by NAIC (yellow), the actual funds received by the NSF division of astronomical sciences (red) and the effect of inflation year-by-year relativeto1999takenas3%peryear. InPY2007thepurchasingpoweroftheNSFfunds receivedbyNAIChaddecreasedbyapproximately 25% relative to 1999. With NSF as a whole in a dramatically expansive phase, the declining NAIC budgetisclearlytheresultofdecisionsbeingmade annually at NSF/AST that favor other activities at the expense of on-going NAIC operations. It is a seriousproblemforNAICthatNSF/ASThasnotexpressed with clarity the metric being used to determine NAIC annual funding at a time when the Observatory user-base has doubled in three years, theresearchopportunitieshaveneverbeengreaterandthescientificoutputisatanalltimehigh.

The report of the NSF/AST Senior Review has had severe consequences for NAIC staff morale. The NAIC staff members, press reporters doing stories ontheSeniorReview,governmentofficialsandthe U.S.communityofastronomersallfocusontheexpressionoftheSeniorReviewthattheAreciboObservatory should be closed in 2011. It is certainly true that the report expresses `closure' as a last resortoptiontobeusedonlyintheeventthat~$5M of annual operations funding cannot be found from sponsors other than NSF/AST. But the news oftheSeniorReviewreportistherecommendation that the Arecibo Observatory should be closed. It is for this reason that all stories in the print and broadcast media that discussed the Senior Review focusedonthisasTHEstory.Everyonewhoworks at NAIC and the Arecibo Observatory were stung bythisrecommendation.Particularlysobecauseit isreadilyapparenttotheNAICstaffthattheanalysispresentedinthereportleadingtotheSeniorReviewrecommendationtoclosetheAreciboObservatory has clear flaws. Namely, the ALFA surveys will require a decade or longer to be completed oncethefollowuptimeisincluded,notthe3years the SR used as the basis for their analysis; and no accountwastakenbytheSeniorReviewthattheir recommendations would terminate the Arecibo

Funding History Relative to FY1999
140.00 AST (%) NAIC (%) inflation (%)

120.00

Cumulative Percent Change from FY1999

100.00

80.00

60.00

40.00

20.00

0.00 2000 -20.00 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

-40.00 Fiscal year

Figure 2.2.1. Budget history of NAIC and AST, actual and projected, expressed as a percentage change fromFY1999.TheNAICbudgetisshowninyellow,ASTinredandinflationinblue(takenas3%peryear).

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7


Planetaryradar,auniquescientificprogramthatis theonlytechnologycapableofdeterminingtheorbitsofnear-Earthasteroidswithsufficientprecision toassesstheirpotentialthreattoimpacttheEarth. The investment of many hundreds of millions of dollars being made by NSF, DoD, DoE and several U.S.universitiesinIntegral,PanStarsandLSSTwith theobjectiveoflocatingnear-Earthasteroidsiscertainly called into question if the Arecibo planetary radarsystemwerenotavailabletodotheprecision orbitdetermination. ThereducedNSF/ASTbudgetforNAICthatfollows fromtheinitialSeniorReviewrecommendationthat

NAIC funding be reduced by 25% over the next 3 years has led to a staff reduction of approximately 30 positions at NAIC and a consequent reduction in the scope of activities supported by NAIC. An adjustment of such a large magnitude is a significantmanagementchallenge.NAICwillworkwith its user community to make the required changes inawaythatpreservesthescientificstrengthofthe Observatoryandcontinuesitsrecentgrowthpath butwithoutundulyinconveniencingtheusercommunity. Inevitably, this will require NAIC to have the flexibility to experiment and make corrections aswelearnbyexperience.

2.3 List of Observing Programs, Investigators and Hours - Program Year 2006
Experiment by Group RadioAstronomy SolarSystemStudies Space&AtmosphericSci. CommissioningTask Maintenance Unsched.Maintenance Total Total Hours Used 4301.00 488.75 1441.50 919.00 1462.00 147.75 8760.00
% of Total Used

49.10 5.58 16.45 10.49 16.69 1.69 100.00

RADIO ASTRONOMY











Graduatestudentsareunderlined Undergraduatestudentsareitalicized

NAIC staff members are bolded

SpectroscopicandContinuumObservations
Hours Observers
Lewis, B.M. (NAIC) Linz,H.(UPRRioPiedras) Hofner,P.(NewMexicoTech) Stecklum,B.(TLSTautenburg) Araya,E.(NewMexicoTech) Bacmann,A.(AIUJena) Lewis, B.M. (NAIC) Lewis, B.M. (NAIC) Ghosh, T. (NAIC) Salter, C. (NAIC) O'Neil, K. (NAIC) Kanekar,N.(Kapteyn) Chengalur,J.(NCRA-TIFR) Ghosh, T. (NAIC)

Project # Title
A1312 A1582 LightTravel-TimeDimensionsfor|b|>10deg OH/IRStars FromDarknesstoLight-StarFormationinInfrared DarkClouds

4.75 2.50 70.25 56.50 2.00 3.00 8

A1587 A1589 A1653 A1724

TheOHLight-CurveofIRAS22402+1045 OntheImminent"Death"oftheOH/IRStar 15060+0947 A-21cmSearchforLow-zDampedLy- SystemsTowardsCompactRadioSources HIandOHinDampedLyman-Systems









NAICAPRPP2007


Hours Observers
2.00 LebrÑn, M. (NAIC) Pantoja,C.(UPRRioPiedras)

Project # Title
A1767 A1785 A1852 A1908 A1965 A1969 HIandH2COObservationsofIVCswithStrong ContinuumBackgroundSources ASearchforHigh-zWaterVaporMasersin ObscuredAGNs ToContinuetheMonitoringofOHMasersin HighGalacticLatitudeOH/IRStars

3.75 Ghosh, T. (NAIC) Mathur,S.(OhioStateUniv.) Salter, C. (NAIC) 219.75 Lewis, B.M. (NAIC) 1.00 23.50 68.00 7.25 Momjian, E.(NAIC) Ghosh, T.(NAIC) Salter, C. (NAIC) Muller,E.M.(ANTF) Pandian,J.D.(Cornell) Goldsmith,P.F.(JPL) Deshpande,A.(RamanRes.)



HI21cmandOH18cmSpectralLineObservations ofthe2JyIRAS-NVSSSample AbsorptionbytheTidalHIFilamentsAssociatedwith NGC4631 TracingHigh-MassStarFormationintheGalaxy

Giovanelli,R.(Cornell) A2010 Haynes,M.(Cornell) Boselli,A.(MarseillesObs.) Brosch,N.(WiseObs.) Catinella, B.(NAIC) Charmandaris,V.(U.Crete) Darling,J.(Univ.Colorado) Davies,J.(CardiffUniv.) GarciaLambas,D.(U.Cordoba) Gavazzi,G.(U.StudidiMilano) Hoffman,L.(LafayetteCollege) Hunt,L.(ArcetriObs.) Iovino,A.(U.Milano-Brera) Karachentsev,I.(SpecialAstrophysical Observatory,Russia) Karachentsev,V.(Univ.Kiev) Kent,B.(Cornell) Koopmann,R.(UnionCollege) Marinoni,C.(U.Milano-Brera) Masters,K.(CfA) Minchin,R.(CardiffUniv.) Momjian, E.(NAIC) Muller,E.(ATNF) Pantoja,C.(UPRRioPiedras) Putman,M.(U.Michigan) Rosenberg,J.(U.Colorado) Salzer,J.(WesleyanUniv.) Saintonge,A.(Cornell) Scodeggio,M.(MilanoCNR) Skillman,E.(U.Minnesota) Solanes,J.(U.Barcelona) Spekkens,K.(RutgersUniv.) Springob,C.(NRL)

ALFALFA:TheAreciboLegacyFastALFASurvey

NAICAPRPP2007









9


Hours Observers
Stierwalt,S.(Cornell) Valotto,C.(U.Cordoba) vanDriel,W.(Obs.Paris) vanZee,L.(IndianaUniv.) (seelistabove) Davies,J.I.(CardiffUniv.) (seelistabove) Putman,M.(U.Michigan) Stanimirovic,S.(UCBerkeley) Heiles,C.(UCBerkeley) Goldston,J.E.(UCBerkeley) Arce,H.(Caltech) Bania,T.(BostonUniv.) Briggs,F.(AustraliaNat'lUniv.) Koo,B-C.(SeoulNat'lUniv.) Korpela,E.(UCBerkeley) Lockman,F.J.(NRAO) vanLoon,J.(KeeleUniv.) Goldston,J.E.(UCBerkeley) Heiles,C.(UCBerkeley)

Project # Title

49.25 1042.25 3.75 1.00 0.75 128.75 76.00

A2010 and A2048 A2010 and A2059

ALFALFA:TheAreciboLegacyFastALFASurvey TheAreciboGalaxyEnvironmentsSurvey(AGES) ALFALFA:TheAreciboLegacyFastALFASurvey MappingtheHIGalaxyandHalowithTOGS(Turn onGALFASurvey)

A2011 BipolarFlowsinthe21cmSky HIContentandDynamicsofLowLuminosity Galaxies

Blanton,M.R.(NewYorkUniv.) A2046 West,A.(U.Washington) Geha,M.(CarnegieObs.) Pizagno,J.(OhioStateUniv.) Weinberg,D.(OhioStateUniv.) Dalcanton,J.(U.Washington) Garcia-Appadoo,D.(CardiffUniv.) Davies,J.I.(CardiffUniv.) Davies,J.I