\contentsline {section}{\numberline {1}Introduction}{7}
\contentsline {section}{\numberline {2}Cookbook}{8}
\contentsline {subsection}{\numberline {2.1}Getting on the air}{8}
\contentsline {subsection}{\numberline {2.2}Adding Spectra}{8}
\contentsline {subsection}{\numberline {2.3}Visualization}{9}
\contentsline {subsection}{\numberline {2.4}Calibration}{9}
\contentsline {subsection}{\numberline {2.5}Analysis}{9}
\contentsline {subsection}{\numberline {2.6}Writing}{9}
\contentsline {subsection}{\numberline {2.7}End of session}{9}
\contentsline {section}{\numberline {3}CLASS Manual}{10}
\contentsline {subsection}{\numberline {3.1}More about CLASS}{10}
\contentsline {subsubsection}{\numberline {3.1.1}Files}{10}
\contentsline {subsubsection}{\numberline {3.1.2}R and T Memories}{10}
\contentsline {subsubsection}{\numberline {3.1.3}Observation and Version Numbers}{10}
\contentsline {subsubsection}{\numberline {3.1.4}Adding Spectra}{10}
\contentsline {subsubsection}{\numberline {3.1.5}Selection Criteria}{11}
\contentsline {subsubsection}{\numberline {3.1.6}The Plot}{12}
\contentsline {subsubsection}{\numberline {3.1.7}Baselines}{13}
\contentsline {subsubsection}{\numberline {3.1.8}Frequency Switching}{13}
\contentsline {subsubsection}{\numberline {3.1.9}Profile Analysis}{13}
\contentsline {subsubsection}{\numberline {3.1.10}Miscellaneous}{15}
\contentsline {subsection}{\numberline {3.2}Continuum Processing}{15}
\contentsline {subsubsection}{\numberline {3.2.1}Introduction}{15}
\contentsline {subsubsection}{\numberline {3.2.2}Differences between Continuum and Spectroscopy Mode}{16}
\contentsline {subsection}{\numberline {3.3}Skydip Processing}{16}
\contentsline {subsection}{\numberline {3.4}On-the-fly Data Processing}{16}
\contentsline {subsection}{\numberline {3.5}Map Processing: GILDAS}{17}
\contentsline {subsubsection}{\numberline {3.5.1}Maps of Spectra}{17}
\contentsline {subsubsection}{\numberline {3.5.2}GILDAS Interface}{17}
\contentsline {subsubsection}{\numberline {3.5.3}Contour maps: Building a data cube}{17}
\contentsline {subsubsection}{\numberline {3.5.4}Velocity-Position Plots}{17}
\contentsline {subsubsection}{\numberline {3.5.5}Continuum Maps}{17}
\contentsline {subsection}{\numberline {3.6}The PRINT Command}{18}
\contentsline {subsubsection}{\numberline {3.6.1}GreG Tables}{18}
\contentsline {subsection}{\numberline {3.7}Publication Quality Plots}{19}
\contentsline {subsubsection}{\numberline {3.7.1}Hardcopy}{19}
\contentsline {subsubsection}{\numberline {3.7.2}Annotations}{19}
\contentsline {subsubsection}{\numberline {3.7.3}Plot Quality}{20}
\contentsline {subsection}{\numberline {3.8}Variables}{20}
\contentsline {subsubsection}{\numberline {3.8.1}The Rope to Hang Yourself}{20}
\contentsline {subsubsection}{\numberline {3.8.2}Index Variables}{20}
\contentsline {subsubsection}{\numberline {3.8.3}Default Header Variables}{21}
\contentsline {subsubsection}{\numberline {3.8.4}Advanced Processing}{22}
\contentsline {section}{\numberline {4}From CLASS to FITS}{23}
\contentsline {section}{\numberline {5}LAS Language Internal Help}{27}
\contentsline {subsection}{\numberline {5.1}ACCUMULATE}{27}
\contentsline {subsection}{\numberline {5.2}BASE}{27}
\contentsline {subsection}{\numberline {5.3}BOX}{28}
\contentsline {subsection}{\numberline {5.4}CALIBRATE}{28}
\contentsline {subsection}{\numberline {5.5}DROP}{28}
\contentsline {subsection}{\numberline {5.6}DUMP}{28}
\contentsline {subsection}{\numberline {5.7}FILE}{29}
\contentsline {subsection}{\numberline {5.8}FIND}{29}
\contentsline {subsection}{\numberline {5.9}FOLD}{29}
\contentsline {subsection}{\numberline {5.10}GET}{30}
\contentsline {subsection}{\numberline {5.11}HEADER}{30}
\contentsline {subsection}{\numberline {5.12}IGNORE}{31}
\contentsline {subsection}{\numberline {5.13}Language}{31}
\contentsline {subsubsection}{\numberline {5.13.1}Language NEWS}{32}
\contentsline {subsection}{\numberline {5.14}LIST}{32}
\contentsline {subsection}{\numberline {5.15}MODIFY}{32}
\contentsline {subsubsection}{\numberline {5.15.1}MODIFY FREQUENCY}{32}
\contentsline {subsubsection}{\numberline {5.15.2}MODIFY OFFSETS}{33}
\contentsline {subsubsection}{\numberline {5.15.3}MODIFY BLANKING}{33}
\contentsline {subsubsection}{\numberline {5.15.4}MODIFY RECENTER}{33}
\contentsline {subsubsection}{\numberline {5.15.5}MODIFY BANDS}{33}
\contentsline {subsubsection}{\numberline {5.15.6}MODIFY LINENAME}{33}
\contentsline {subsubsection}{\numberline {5.15.7}MODIFY VELOCITY}{33}
\contentsline {subsubsection}{\numberline {5.15.8}MODIFY WIDTH}{33}
\contentsline {subsubsection}{\numberline {5.15.9}MODIFY IMAGE}{34}
\contentsline {subsubsection}{\numberline {5.15.10}MODIFY BEAM\_EFF}{34}
\contentsline {subsubsection}{\numberline {5.15.11}MODIFY TELESCOPE}{34}
\contentsline {subsubsection}{\numberline {5.15.12}MODIFY POSITION}{34}
\contentsline {subsubsection}{\numberline {5.15.13}MODIFY SYSTEM}{34}
\contentsline {subsubsection}{\numberline {5.15.14}MODIFY SWITCH\_MODE}{34}
\contentsline {subsection}{\numberline {5.16}MULTIPLY}{35}
\contentsline {subsection}{\numberline {5.17}NEW\_DATA}{35}
\contentsline {subsection}{\numberline {5.18}PLOT}{35}
\contentsline {subsection}{\numberline {5.19}SAVE}{35}
\contentsline {subsection}{\numberline {5.20}SET}{36}
\contentsline {subsubsection}{\numberline {5.20.1}SET DEFAULT}{36}
\contentsline {subsubsection}{\numberline {5.20.2}SET PROCESSING}{36}
\contentsline {subsubsection}{\numberline {5.20.3}SET DISPLAY}{36}
\contentsline {subsubsection}{\numberline {5.20.4}SET SELECTION}{36}
\contentsline {subsubsection}{\numberline {5.20.5}SET ALIGN}{37}
\contentsline {subsubsection}{\numberline {5.20.6}SET ANGLE}{37}
\contentsline {subsubsection}{\numberline {5.20.7}SET BAD}{37}
\contentsline {subsubsection}{\numberline {5.20.8}SET BASELINE}{37}
\contentsline {subsubsection}{\numberline {5.20.9}SET CALIBRATION}{37}
\contentsline {subsubsection}{\numberline {5.20.10}SET COORDINATES}{38}
\contentsline {subsubsection}{\numberline {5.20.11}SET CURSOR}{38}
\contentsline {subsubsection}{\numberline {5.20.12}SET EXTENSION}{38}
\contentsline {subsubsection}{\numberline {5.20.13}SET FIND}{38}
\contentsline {subsubsection}{\numberline {5.20.14}SET FORMAT}{38}
\contentsline {subsubsection}{\numberline {5.20.15}SET LEVEL}{39}
\contentsline {subsubsection}{\numberline {5.20.16}SET LINE}{39}
\contentsline {subsubsection}{\numberline {5.20.17}SET MASK}{39}
\contentsline {subsubsection}{\numberline {5.20.18}SET MAP}{40}
\contentsline {subsubsection}{\numberline {5.20.19}SET MATCH}{40}
\contentsline {subsubsection}{\numberline {5.20.20}SET MODE}{40}
\contentsline {subsubsection}{\numberline {5.20.21}SET NOMATCH}{40}
\contentsline {subsubsection}{\numberline {5.20.22}SET NUMBER}{40}
\contentsline {subsubsection}{\numberline {5.20.23}SET OBSERVED}{40}
\contentsline {subsubsection}{\numberline {5.20.24}SET OFFSETS}{41}
\contentsline {subsubsection}{\numberline {5.20.25}SET PLOT}{41}
\contentsline {subsubsection}{\numberline {5.20.26}SET POSANGLE}{41}
\contentsline {subsubsection}{\numberline {5.20.27}SET QUALITY}{41}
\contentsline {subsubsection}{\numberline {5.20.28}SET RANGE}{41}
\contentsline {subsubsection}{\numberline {5.20.29}SET REDUCED}{41}
\contentsline {subsubsection}{\numberline {5.20.30}SET SCAN}{42}
\contentsline {subsubsection}{\numberline {5.20.31}SET SOURCE}{42}
\contentsline {subsubsection}{\numberline {5.20.32}SET SYSTEM}{42}
\contentsline {subsubsection}{\numberline {5.20.33}SET TELESCOPE}{42}
\contentsline {subsubsection}{\numberline {5.20.34}SET TYPE}{42}
\contentsline {subsubsection}{\numberline {5.20.35}SET UNIT}{43}
\contentsline {subsubsection}{\numberline {5.20.36}SET VARIABLE}{43}
\contentsline {subsubsection}{\numberline {5.20.37}SET VELOCITY}{47}
\contentsline {subsubsection}{\numberline {5.20.38}SET WEIGHT}{47}
\contentsline {subsubsection}{\numberline {5.20.39}SET WINDOW}{47}
\contentsline {subsection}{\numberline {5.21}SHOW}{47}
\contentsline {subsection}{\numberline {5.22}SPECTRUM}{48}
\contentsline {subsection}{\numberline {5.23}SUM}{48}
\contentsline {subsection}{\numberline {5.24}SWAP}{48}
\contentsline {subsection}{\numberline {5.25}TAG}{48}
\contentsline {subsection}{\numberline {5.26}TITLE}{49}
\contentsline {subsection}{\numberline {5.27}UPDATE}{49}
\contentsline {subsection}{\numberline {5.28}WRITE}{49}
\contentsline {section}{\numberline {6}ANALYSE Language Internal Help}{50}
\contentsline {subsection}{\numberline {6.1}COMMENT}{50}
\contentsline {subsection}{\numberline {6.2}CUBE}{50}
\contentsline {subsubsection}{\numberline {6.2.1}CUBE FUNCTIONS}{51}
\contentsline {subsection}{\numberline {6.3}DISPLAY}{51}
\contentsline {subsection}{\numberline {6.4}DIVIDE}{51}
\contentsline {subsection}{\numberline {6.5}DRAW}{51}
\contentsline {subsubsection}{\numberline {6.5.1}DRAW FILL}{52}
\contentsline {subsubsection}{\numberline {6.5.2}DRAW KILL}{52}
\contentsline {subsubsection}{\numberline {6.5.3}DRAW LOWER}{52}
\contentsline {subsubsection}{\numberline {6.5.4}DRAW MASK}{52}
\contentsline {subsubsection}{\numberline {6.5.5}DRAW UPPER}{52}
\contentsline {subsubsection}{\numberline {6.5.6}DRAW TEXT}{52}
\contentsline {subsubsection}{\numberline {6.5.7}DRAW WINDOW}{53}
\contentsline {subsection}{\numberline {6.6}FFT}{53}
\contentsline {subsubsection}{\numberline {6.6.1}FFT /REMOVE}{53}
\contentsline {subsection}{\numberline {6.7}FILL}{53}
\contentsline {subsection}{\numberline {6.8}FIT}{53}
\contentsline {subsection}{\numberline {6.9}GAUSS}{54}
\contentsline {subsection}{\numberline {6.10}GREG}{54}
\contentsline {subsection}{\numberline {6.11}GRID}{55}
\contentsline {subsubsection}{\numberline {6.11.1}GRID /CHANNEL}{56}
\contentsline {subsubsection}{\numberline {6.11.2}GRID /IMAGE}{56}
\contentsline {subsubsection}{\numberline {6.11.3}GRID /PLOT}{56}
\contentsline {subsubsection}{\numberline {6.11.4}GRID /SMOOTH}{56}
\contentsline {subsection}{\numberline {6.12}ITERATE}{57}
\contentsline {subsection}{\numberline {6.13}KEEP}{57}
\contentsline {subsection}{\numberline {6.14}LINES}{57}
\contentsline {subsection}{\numberline {6.15}MAP}{58}
\contentsline {subsubsection}{\numberline {6.15.1}MAP /GRID}{58}
\contentsline {subsubsection}{\numberline {6.15.2}MAP /CELL}{58}
\contentsline {subsubsection}{\numberline {6.15.3}MAP /NOLABEL}{58}
\contentsline {subsubsection}{\numberline {6.15.4}MAP /NUMBER}{59}
\contentsline {subsection}{\numberline {6.16}MEMORIZE}{59}
\contentsline {subsection}{\numberline {6.17}METHOD}{59}
\contentsline {subsection}{\numberline {6.18}MODEL}{60}
\contentsline {subsection}{\numberline {6.19}NOISE}{60}
\contentsline {subsection}{\numberline {6.20}POPUP}{61}
\contentsline {subsection}{\numberline {6.21}PRINT}{61}
\contentsline {subsection}{\numberline {6.22}REDUCE}{62}
\contentsline {subsection}{\numberline {6.23}RESAMPLE}{62}
\contentsline {subsection}{\numberline {6.24}RESIDUAL}{63}
\contentsline {subsection}{\numberline {6.25}RETRIEVE}{63}
\contentsline {subsection}{\numberline {6.26}SMOOTH}{64}
\contentsline {subsection}{\numberline {6.27}STAMP}{64}
\contentsline {subsection}{\numberline {6.28}STRIP}{64}
\contentsline {section}{\numberline {7}FITS Language Internal Help}{66}
\contentsline {subsection}{\numberline {7.1}DIRECTORY}{66}
\contentsline {subsection}{\numberline {7.2}DISMOUNT}{66}
\contentsline {subsection}{\numberline {7.3}INITIALIZE}{66}
\contentsline {subsection}{\numberline {7.4}LIST}{66}
\contentsline {subsection}{\numberline {7.5}MOUNT}{66}
\contentsline {subsection}{\numberline {7.6}READ}{66}
\contentsline {subsection}{\numberline {7.7}REWIND}{67}
\contentsline {subsection}{\numberline {7.8}SELECT}{67}
\contentsline {subsection}{\numberline {7.9}SKIP}{67}
\contentsline {subsection}{\numberline {7.10}WRITE}{67}
\contentsline {section}{\numberline {8}GTVL Language Internal Help}{68}
\contentsline {subsection}{\numberline {8.1}CHANGE}{68}
\contentsline {subsection}{\numberline {8.2}CLEAR}{68}
\contentsline {subsection}{\numberline {8.3}COMPRESS}{69}
\contentsline {subsection}{\numberline {8.4}CREATE}{69}
\contentsline {subsection}{\numberline {8.5}DEVICE}{69}
\contentsline {subsection}{\numberline {8.6}DISPLAY}{70}
\contentsline {subsection}{\numberline {8.7}EXPORT}{70}
\contentsline {subsection}{\numberline {8.8}HARDCOPY}{70}
\contentsline {subsubsection}{\numberline {8.8.1}HARDCOPY /DEVICE}{71}
\contentsline {subsection}{\numberline {8.9}IMPORT}{71}
\contentsline {subsection}{\numberline {8.10}LUT}{71}
\contentsline {subsection}{\numberline {8.11}REPLICATE}{72}
\contentsline {subsection}{\numberline {8.12}ZOOM}{72}
\contentsline {section}{\numberline {9}Error Messages and Recovery Procedures}{74}
\contentsline {subsection}{\numberline {9.1}Notifying the Programmer or System Manager}{74}
\contentsline {subsection}{\numberline {9.2}Recovering Corrupted Data Files}{74}
\contentsline {subsection}{\numberline {9.3}LAS and ANALYSE Messages and Recovery Procedures}{75}
\contentsline {subsubsection}{\numberline {9.3.1}A and B}{75}
\contentsline {subsubsection}{\numberline {9.3.2}C}{77}
\contentsline {subsubsection}{\numberline {9.3.3}D and E}{79}
\contentsline {subsubsection}{\numberline {9.3.4}F}{80}
\contentsline {subsubsection}{\numberline {9.3.5}G through I}{82}
\contentsline {subsubsection}{\numberline {9.3.6}K and L}{83}
\contentsline {subsubsection}{\numberline {9.3.7}M}{84}
\contentsline {subsubsection}{\numberline {9.3.8}N-Q}{86}
\contentsline {subsubsection}{\numberline {9.3.9}R}{88}
\contentsline {subsubsection}{\numberline {9.3.10}S}{89}
\contentsline {subsubsection}{\numberline {9.3.11}T through Z}{91}