idl matlab python暑期课程课件astroIDL Matlab Python在天文与空间科学中的应用

Chapter1:IntroductiontoPython23匹配的整个表达式的字符串，group()14ifmatchObj:ifmatchObj:importrenum=re.sub(r'#.*$',"",phone)6 ce(‘ROAD’,‘RD.’) ce(‘ROAD‘RD.’)# s='100 #re.sub(‘\\bROAD$RD.’,s)# )#s100BROADROADAPT3’#有单元号8 不带表达式的return相当于返回None9defprintme(str): printme(“我要调用用户自定义函数”)printme(“再次调用同一函数”) 一样defprintme(str): # # printinfo(age=50,name=# printinfo(age=50nameMike”)printinfo(name=“Mike”) defprintinfo(arg1, 自有 a=lambdax,y:x+yr=a(2,3)1.10.1#### 如果不在当 认路径一般为模块搜索路径存在system模块的sys.path变量中。变量里包含当前、PYTHONPATH和由安装过程决定的默认目##content=这里，特殊字符串变 指向模块的名字 1.11.1a=word[2]print("ais:"+a)b=word[1:3]print("bis:"+b)1.11.1*raw_input，函数从标准输入 ##1.11.2fileobject=open(file_namefileobject=open(file_name[,*close22rr+ww+1.11python文件1.11.2返回true如果文件已被关闭，否则返回fo=open("foo.txt","wb")print("Nameofthefile:",)print("Closedornot:",fo.closed)print("Openingmode:",fo.mode) 1.11python文件1.11.2文件操作#fo=open("/tmp/foo.txt",#fo=open("/tmp/foo.txt",str=fo.read(10)1.11python文件1.11.2重命名和删除文件rename、## #创建 #将当 改为##os.rmdir("/tmp/test" importos

: ::::ChapterSoftwareSystemsforC/C++,Python,andFortran,Java,PHP,PERL, 控自控自、二、ChapterPythonforAstroLib：IDL下的天文运算库AstronomyUser’s AstroAsciiData，孔径测光pysynphot，坐标转换coords，测光包tfit，FITS文件坐标转换pywcs，和一个数据格式转换包votable2recarrayChapterPythonandFITSFITS(FlexibleImageTransport⬩HDUsUnit）和一个可选的数据单元（DataUnit）组成。每行80关键字<=81-9= SIMPLE T/filedoesconformtoFITSBITPIX 16/numberofbitsperdata 2/numberofdataNAXIS1 512/lengthofdata NAXIS2 512/lengthofdata EXTEND T/FITSdatasetmaycontainCONTENT='IMAGE'ORIGIN='USRSDC'DATE='11/04/94'ESCOP='ROSAT INSTRUME= OBS_MODE=

/originofprocessed/FITScreationdate/mission/instrument/obsmode:POINTING,SLEW,ORIRAFNAME='rp110590n00_bk1.imh'/IRAFfileMJDREFI 48043/MJDintegerSCclockMJDREFF=8.79745370370074E-01/MJDfractionSCclockZEROTIME=RDF_VERS='2.3 PROC_SYS='SASS7_1'

/UTdateofSCstart/UTtimeofSCstart/RationalizedDataFormatreleaseversion/RationalizedDataFormatrelease/ProcessingPROCDATE='8-APR-199410:37:07'/SASSSEQprocessingstart FILTER= /filterid:NONEOROBJECT='XRT/PSPCPSFARLAC'/nameofRA_NOM=DEC_NOM=

3.320239E+02/nominalRA(deg)4.551389E+01/nominalDEC(deg)-1.349511E+02/nominalROLL(degCCWOBS_ID='CA110590P.N2' /observationIDROR_NUM= 110590/RORnumberOBSERVER='MPE,ROSAT-TEAM' /PIname=E-03/Real=E-03/Real=TAPE*BSCALE+=E+00=E+02/Skycoordof1staxis=E+01/Skycoordof2ndaxis=E-03/Xdegreesper=E-03/Ydegreesper=E+01/Blocking

IMAGE(X,Y)=BACMP1.SEQ;1(X,512-WorkingWithaFITSWorkingWithImage>>>>>>>>>>>>mag=>>>CreatingaNewFITSChapterPhotometrywith9Firstofall