How to be an Astronomer.pdf
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Transcript of How to be an Astronomer.pdf
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HowtobecomeanAstronomer?(CareerinA&A)
Prof.T.Padmanabhan
HowandwherecanIstartcareerinA&A?
CareersinAstronomy&Astrophysics(A&A)canbebroadlydividedasTheoreticalorObservationalthough,inordertomakesignificantcontributiontothesubjectyouhavetobegoodatboth.
TheoreticalresearchcareerinA&AtypicallyinvolvesdoingaMastersinphysics,orBachelorsinEngineeringorTechnologywiththoroughbasicknowlegegeinphysicsandmathematics,joiningasuitableinstitutionoruniversityforaPh.D.programmeinA&A,followingitupwithoneortwopostdoctoralpositionsandfinallyobtainingapermanentjob.
Amongtheleadinginstitutesinthiscountry
IndianInstituteofAstrophysics,Bangalore(IIA),IndianInstituteofScience,Bangalore(IISc),NationalCentreforRadioAstrophysics,Pune(NCRATIFR),InterUniversityCentreforAstronomyandAstrophysics,Pune(IUCAA),PhysicalResearchLaboratory,Ahamedabad(PRL),RamanResearchInstitute,Bangalore(RRI)andTataInstituteofFundamentalResearch,Mumbai(TIFR)
havegraduatestudentsprogrammesinA&AleadingtoaPh.D.
Institutionslike
HarishChandraResearchInstitute,Allahbad(HRI)andTheInstituteofMathematicalSciences,Chennai(IMSc)
areactivelyexpandingintothisareaandwillcertainlyencouragetheoreticalresearchinA&A.
Therearealsoseveraluniversities,whichhavefacultymembersworkingonA&A,nottomentiontheIndianofInstitute(s)ofTechnology.
On the observational side, the scope is somewhat wider because even students with engineering degree (orknowledgeofcomputersystemsandelectronics)arealsoencouragedtoapplyforthegraduatestudent'sprogrammeinmanyoftheaboveplaces.Forexample,IUCAAtakesB.E.andB.TechstudentsforitsgraduateschoolandallowsthemtodoanM.Sc.byresearchpriortodoingaPh.D.
Thescopeforexperimentalastronomyinthiscountryissomewhatlimitedcomparedtotheory,butthissituationislikelytochangewithinthenext5yearsorso.
Thekeypoint toremember is thatA&A isabranchofphysicsandyouneed tohaveastrong foundation inphysicsandmathematicsinordertohaveasuccessfulcareerinA&A.
JointEntranceScreeningTest(JEST)ForPh.D.ProgrammesinPhysics/Mathematics/TheoreticalComputerScience
WhataboutbooksandsyllabusofA&A?
ThereisnosinglebookorsyllabusinA&Awhichastudentisexpectedtoreadandfollow.
Infact,mostinstitutionswillexamineyouonyourphysicsandmathematicsbackgroundandwilladmityoutothegraduateschoolevenifyouknownothingofA&A.ThisisnecessarybecauseourM.Sc.coursesinphysicsdonot
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giveadequateemphasistoA&Acomparedto,forexample,solidstatephysicsornuclearphysics.
Thissituationmaychangeoverthenextdecadeorsobutatpresent,itisenoughifyouconcentrateontheregularM.Sc.physicssyllabus.
WhatshouldIstudytopreparefortheexaminations?
The graduate school programme in most of the leading institutions expects you to be good at physics andmathematicswithanaptitudeandmotivationtodoresearch.
Thelatterisdifficulttodefinebutessentiallyitinvolvesanabilitytoapplyyourbasicknowledgetounfamiliarareasandcomeoutwithlogicallyconsistentconclusions.Inshort,youshouldbeabletothinkonyourownandshouldbeconfidentinusingthebasicprinciplesofphysicsandthetechniquesofmathematicswhichyouhavelearntinanyarea.
Inthebestinstitutes,theexaminationisdesignedinsuchawaythatnospecificpreparationisnecessaryorevenuseful.Theideaisnottorunamemorytestorinvestigateyourknowledgebasebuttoseehowgoodyouareinusingtheknowledgewhichyouposses.
Ofcoursethisistheidealsituation.Iftheexaminationisnotuptothemark,youmaybestraddledwithquestionswhichrequirememorizingofsomekeyformulas,etc.ThegeneraltechniqueofpreparationcanbesimilartothatyouwilladoptforJEEorGREorforanyothermultiplechoiceobjectivetypetest.