Documentation of functions in

Return to directory of CASA extensions in

A broken link here simply means that the command exists and works, but I have not yet written the help page for that command. But there is always inline help available.

  1. accretionEnergy -- Computes gravitational potential energy of a piece of gas falling onto an object
  2. accretionLuminosity -- Computes gravitational potential luminosity of a piece of gas falling toward an object
  3. addLineToScripts -- Adds a line to the bottom of a script, or list of scripts
  4. addLinks -- Adds soft links to a directory based on existing subdirectory names
  5. adjustDivergingLut -- Removes the middle N values of a diverging RGB color lookup table and stretches the remainder together (to make better outflow palettes)
  6. angularSeparationOfImagePeaks -- Finds the peak in two images and computes the angular separation in arcsec, and fractional beams
  7. appendParameterToScript -- Takes a script of N lines containing a call of the same task and appends an additional parameter to the end of each one.
  8. applyRadecOffsetToFile -- Applies an RA/Dec offset to an ASCII table of positions
  9. argmedian -- Returns a list of indices of an array corresponding to the value(s) equal to or closest to the median
  10. atmosphericVariation -- Computes the percentage variation in transmission and Tsky across an image cube's spectral axis
  11. auToRsun -- converts au to solar radii
  12. avgOverCube -- Computes the average spectrum across a multi-dimensional array that has been read from a cube
  13. backgroundSources -- Computes the expected number of background radio point sources in a field
  14. beamAreaRatio -- Computes the ratio of the synthesized beam area between two images
  15. bindingEnergy -- Computes the binding energy of a (uniform density) star of given mass and radius
  16. binge -- Copy a file into multiple other filenames, incrementing a number in the name
  17. blondinEta -- Computes eta parameter from ratio of jet velocity to bowshock velocity
  18. boxToRadians -- Convert a casa region file "box" string to a pair of Ra/Dec's
  19. brightness -- Convert flux density, frequency and beamsize to brightness temperature (and on to dust and gas mass)
  20. brightnesses -- Runs brightness on a list of images
  21. brightnessImage -- Converts an image in flux density units into brightness temperature units
  22. buildAplpyPolygons -- Takes a list of RA/Dec centers and widths/heights/rotations and returns list for show_polygons
  23. buildAplpyRectangles -- Takes a list of RA/Dec centers and widths/heights and returns parameters for show_rectangles
  24. buildBoxRegion -- Builds a casa box region string from the specified blc and trc coordinates (specified in radians)
  25. buildFilterConvolutions -- Add new filters to Robitaille's sedfitter module
  26. buildRobustWeightingGrid -- Run image simulations of all ALMA cycle 5 configurations
  27. calibratorImageFluxes -- Finds the calibrator images of a pipeline runs and reports their fitted flux and noise
  28. calibratorImagePeaks -- Finds the calibrator images of a pipeline runs and reports their peak intesntiy and noise
  29. cas7210 -- Makes plots for CAS-7210
  30. checkAlternateRefant -- Searches a casa log for appearances of an alternate refant being used in a gain solution
  31. checkBandpassEqualsFlux -- Checks a list of pipeline runs to see if any EB has separate BP and Flux calibrator
  32. checkCompareCparamFromCaltables -- runs compareCparamFromCaltables for a list of pipeline runs
  33. checkCompareTimesFromCaltables -- runs compareTimesFromCaltables for a list of pipeline runs
  34. checkCorrectMyAntennaPositions -- runs correctMyAntennaPositions for a list of pipeline runs
  35. checkFluxcsv -- runs compareFluxcsv on the flux.csv files from a list of pipeline run pairs
  36. checkForMissingPointingEntries -- Checks a group of pipeline runs for any EB with an antenna with missing pointing table values
  37. checkForMissingPointingSolutions -- Checks a group of pipeline runs for any EB with an antenna with missing pointing calibration solutions
  38. checkForMultipleSolutionTimes -- Checks a collection of pipeline runs for any lowgainflag caltables that contain more than 1 solution time
  39. checkLargeCubeSize -- Computes size in MB of the largest cube per pipeline run of a list of pipeline runs
  40. checkLowgainflag -- Checks a directory of pipeline runs for entries in the text flag tables in the lowgainflag stage
  41. checkLowSNRPositions -- Checks a directory of pipeline runs for low SNR positions rejected by correctMyAntennaPositions
  42. checkLowTransmission -- Looks for low transmission on a per-scan, per-vis basis of a list of pipeline runs
  43. checkLSRKRanges -- runs lsrkRangeForSpw on a list of pipeline runs
  44. checkMultiUserRuns -- Calls checkruns for each specified user in succession
  45. checkNumberOfPhaseCalibrators -- Calls getPhaseCalibrators for a list of pipeline runs
  46. checkNumchan -- Compiles dictionary of number of channels in science spws in a list of pipeline runs
  47. checkOnlineChannelAveraging -- Compiles dictionary of online channel averaging factor in science spws in a list of pipeline runs
  48. checkPads -- Compiles a list of all unique pad names used by a series of pipeline runs
  49. checkPBAtImageCenter -- Calls imageCenter for all continuum images in a series of pipeline runs
  50. checkPipelineChanchunks -- Compiles list of chanchunk values used for mfs and cube imaging in a list of pipeline runs
  51. checkPipelineChecksource -- Checks if a checksource is included in the first EB of each pipeline run in a list of pipeline runs in a directory
  52. checkPipelinePhasecalSolint -- Runs pipelinePhasecalSolint on a list of pipeline runs
  53. checkPipelineRepBWCube -- Searches pipeline working directories for presence of .repBW. cubes
  54. checkPipelineRobust -- Runs pipelineRobust on a set of pipeline runs
  55. checkPipelineSevere -- Runs pipelineSevere on all CASA logs in a set of pipeline runs
  56. checkPlotmsMemory -- Runs plotmsMemory on all CASA logs in a set of pipeline runs
  57. checkPlotSpectraFromMask -- Runs plotSpectrumFromMask for all cubes in a set of pipeline runs
  58. checkruns -- Finds the working directory of each pipeline run on the specified root directory
  59. checkStrongTsysLines -- Checks a directory of pipeline runs for the presence of strong features in the Tsys spectra
  60. checkSurmiseConfiguration -- Runs surmiseConfiguration on all ASDMs of a set of pipeline runs
  61. checkTimePipelineImaging -- Builds a dictionary of tclean run times
  62. checkTsysFlags -- Runs pipelineTsysFlag on a set of pipeline runs
  63. checkVersions -- Runs versionsFromWeblog on a list of pipeline runs to compile the CASA and pipeline version info for those project code / MOUS
  64. checkZeroPixels -- Builds a histogram of percentage of pixels equal to zero from a specific 2D image from a series of pipeline runs
  65. clearMask -- clears the mask in a CASA image
  66. clusterCentroid -- Computes the centroid of a set of sky positions, optionally weighted by intensity
  67. clusterMatches -- Computes the nearest neighbor star in list 2 for each star in list 1
  68. clusterStatistics -- Computes statistics of a set of X,Y points or sky positions
  69. collectPipelineSpectra -- Finds all spectra pngs from pipeline images created in a specific pipeline stage
  70. combineUncertainties -- Computes expected new uncertainty when combining datasets
  71. compareFluxcsv -- Compares two flux.csv files
  72. compareFluxcsvs -- Compares a list of pairs of flux.csv files in a directory
  73. compareL80 -- Compares the achieved beamsize in a pipeline reduced dataset with the L80 formula and the im.fitpsf prediction
  74. compareL80list -- Calls compareL80 on a list of pipeline reductions and produces a summary table
  75. composite -- Takes a base png image, and overlays one or two other images on it at a specified offset location and scale size.
  76. computeMeanSeparation -- Compute the mean separation of a set of points
  77. computeRcluster -- Compute the radius and mean position of a set of points.
  78. computeSignedStd -- Compute asymmetric 1-sigma errors of a list
  79. concatSMAdataset -- Uses offsetScanNumbers to concatenate several measurement sets exported from MIR/IDL using autofits and previously filled to ms using MIRSFITStoCASA
  80. convertBenchmarkScript -- Converts a regression script of findContinuum to a new ALMA cycle
  81. convertChannelListIntoSelection -- Converts a list of channels into a CASA selection string syntax, with optional trimming
  82. convertColonDelimitersToPeriods -- Converts Ra Dec string with colons in the Dec to one with periods in the Dec
  83. convertSelectionIntoChannelList -- Converts a CASA channel selection string into an array of channels.
  84. convolveChannel -- convolves a sinc function with the Hann window, and normalizes the resulting spectrum to unity
  85. convolveChannelAveraging -- convolves a sinc function with the Hann window, then convolves with 2,4,8, or 16 delta functions and normalizes the resulting spectrum to unity
  86. convolveChannelAveragingPlot -- calls convolveChannelAveraging, then plots the result
  87. convolveChannelAveragingPlots -- calls convolveChannelAveragingPlot for each value of 1,2,4,8,16 and builds a montage
  88. convolveChannelPlot -- calls convolveChannel, then plots the result
  89. convolveImfitComponent -- Takes the deconvolved size of an imfit component and convolves it with a different beam
  90. convolveTwoEllipses -- Convolves a gaussian source with the beam of a specified image
  91. correlateRuns -- Compares execution times of two sets of pipeline run pairs
  92. correlateVisstatDifferences -- Computes fractional difference of per-scan/per-spw visibility statistics between two pipeline runs
  93. countLinesPythonCode -- Counts lines of code in *.py files in specified directory tree
  94. crtfToMask -- Converts a CASA CRTF region file to a mask for a specified image
  95. crtfToPixelList -- Converts a CASA CRTF region file containing 'symbol' shapes to a list of pixels in a specified image
  96. cubeDerivative -- Compute the derivative along the spectral axis of a cube
  97. cumulativeMaserVersusContinuum -- Plots the fraction of maser intensity and spots that are located outside a fractional continuum level in an image
  98. deflection -- Computes the gravitational bending of light for a star at a specified angle for a given distance and mass of a central body
  99. deflectionDifferential -- Computes the differential deflection between two fields in a measurement set
  100. deflectionPlot -- Plots the bending of light vs. angle from the Sun
  101. deflectionPlotJupiter -- Plots the bending of light vs. angle from the Jupiter
  102. deflectionPlotSaturn -- Plots the bending of light vs. angle from the Saturn
  103. deflectionPlotUranus -- Plots the bending of light vs. angle from the Uranus
  104. deflectionPlotNeptune -- Plots the bending of light vs. angle from the Neptune
  105. dirtyDR -- makes a plot of the dynamic range modifier vs. dynamic range used by the ALMA imaging pipeline
  106. ds9regionToList -- Converts the markers in a ds9 region file from sexagesimal RA, Dec into lists of RA and Dec in degrees
  107. dustLuminosity -- Computes the area under the curve of flux density vs. frequency
  108. dustSublimationRadius -- Computes radius where a power-law temperature profile reaches a specified temperature
  109. dustyProfiles -- Plots radial profiles output by the radiative transfer code DUSTY
  110. dynamicalTime -- Computes dynamical time for an outflow
  111. eddingtonLuminosity -- Computes Eddington limit luminosity for a given mass
  112. editComponentList -- Edits the frequency column in a component list
  113. exportfits -- Runs exportfits on an image or list of images, automatically appending '.fits'
  114. extractcal -- Extracts all the applycal and gaincal calls from a CASA log and wraps them
  115. extractImagenamesFromScript -- Reads a file of tclean commands and returns a list of the imagename arguments
  116. extractPageFromPDF -- extracts one page from a PDF file
  117. fillFitResults -- Convert output file from Robitaille's sedfitter into easier to read format
  118. filterScriptFor7m -- Filters a list of commands that contain measurement sets, passing only those where the first ms has a majority of 7m antennas"
  119. filterSources -- Extracts a subset of sources within a specified RA/Dec box from a larger list
  120. filterTable -- Filter a list of sources in an ASCII table to those within a specified radius of a specified direction
  121. filtwav -- Extracts the wavelength from a filter defining FITS file in the Robitaille SED fitter package
  122. findChannelRanges -- takes a spectrum and determines a string list of all channel ranges below a threshold
  123. findContinuumForPixel -- Examines the intensity histogram of a spectrum and returns the channels that are close to the continuum level as located by the rolloff point
  124. findContinuumHistogram -- Takes a cube and list of pixels, builds a histogram of flux density to identify continuum level, then finds the best continuum channels (calls findContinuumForPixel or findContinuumForPixelSCL)
  125. findFrequencyForTau -- compute frequency for a specific dust opacity and value of beta
  126. findGreyBodyFluxRatio -- computed the required tau to produce the observed flux ratio between two frequencies
  127. findIntersection -- Finds the intersection point for 2 lines, each defined by a pair of points
  128. findOuterAnnulusForPBCube -- Finds the scaled up values of a size mitigated cube that correspond to 0.2-0.3
  129. findPipelineMeasurementSets -- Finds list of ms in a pipeline run
  130. findSpectralAxis -- finds the spectral axis number of a CASA cube
  131. findTargetFlagVisAndSpw -- finds vislist and spwlist for each vis that contains flags from hifa_targetflag
  132. fitForDustTemp -- Fit for dust temperature, using a measured brightness temperature, source size, and beta
  133. fitForDustTempWithFree -- Fit for free-free component plus a dust temperature, using a measured brightness temperature, source size, and beta
  134. fixEps -- Modifies an eps file with a negative blc bounding box to make it non-negative
  135. fixRestFreq -- Uses imhead to change the restfreq in the header of a cube
  136. flagNonScanTimeRanges -- Flags data by timerange that are outside of the scans of a specified intent
  137. fluxBrightness -- Computes flux density that corresponds to specified brightness temperature
  138. fusOffset -- Applies a frequency shift to an ASCII file spectrum written in the column format expected by CASSIS
  139. fusPlot -- Plots an ASCII file spectrum written in the column format expected by CASSIS
  140. gatherCubeSpectra -- makes a montage of ALMA pipeline cube spectra
  141. gaussianPercentile -- Computes the statistics of a Gaussian distribution restricted to the specified lower percentile
  142. gaussianPercentilePlot -- Plots the statistics of a Gaussian distribution restricted to the specified lower percentile vs. that percentile
  143. getFreqType -- Returns the frequency frame of the specified image
  144. getIntensityForPixel -- Gets the intensity at a specific pixel
  145. getTransitionFrequencies -- Reads a Leiden LAMDA file for a molecule and returns all frequencies
  146. getTransitionInfo -- Reads a Leiden LAMDA file for a molecule and returns 4 lists of info
  147. greybodyFluxDensity -- Computes flux density of a greybody using a dictionary of lmfit parameters
  148. greybodyFluxDensityJy -- Computes flux density of a greybody from temperature, tau, solid angle and frequency
  149. greybodyFluxRatio -- Computes the ratio of flux densities of a greybody at two frequencies
  150. greybodyIntensity -- Computes the intensity of a greybody
  151. help -- prints a list of all the functions defined at the top level of
  152. imageBiweightMean -- Computes the biweight_mean scale of a CASA image using the algorithm in IDLASTRO
  153. imageCompareStats -- Computes the classic and various robust estimators of the rms of a CASA image
  154. imageFromFits -- creates a CASA image from a FITS image that has no RA/Dec coordinates using a template CASA image of the same region
  155. imageFromFORCAST -- creates a CASA image for a SOFIA FORCAST FITS image with 3 planes in the 3rd dimension, using just the first plane
  156. imageRejection -- computes relative integration times as image sideband rejection is improved
  157. imageRobustSigma -- Computes the robust sigma of a CASA image using the algorithm in IDLASTRO
  158. imageSimulationToReality -- Copies a radMC3D simulation cube into the subimage of a cube of the sky
  159. imageSize -- returns size of image in arcseconds or primary beamwidths
  160. imageSizeBytes -- computes the size of all files in a directory tree
  161. imageSpectralIndex -- Computes a spectral index image from two images
  162. imcombine -- Combines non-frequency-overlapping subcubes with the same frequency grid and spatial dimension into a single cube.
  163. imfitBrightnessTemperature -- Reads a list of files of format imfitparseCLB and finds the one with peak intensity, then uses its fitted flux density and fitted size
  164. imfitCube -- Runs imfit on all, or a list of channels in a CASA cube, generating a plot with errorbars
  165. imfitEstimateChanges -- Computes the percentage change in the parameters between two files of imfit estimates
  166. imfitIterate -- Runs imfit successively with the new estimates produced from the previous iteration until the result stops changing
  167. imfitResultsToLatex -- Takes a list of imfit results and produces a Latex table
  168. immoments4panel -- Builds moment images 0,1,2,8 of a CASA cube, then plots them on a 4-panel page
  169. importfitshdu -- imports multiple HDUs from a single FITS image into multiple casa images
  170. importsma -- imports one or more SMA UVFITS files that have been processed by uti_to_topo in MIR IDL
  171. imstatBackground -- run imstat on the specified box region, then on the 4 adjacent boxes to determine the lowest rms in all 5 boxes
  172. imstatCube -- compute the rms and standard deviation of chunks of a CASA image cube, and plots the result
  173. imstatparse -- converts a dictionary returned by imstat into a formatted string
  174. imsubimageRadec -- runs imsubimage centered on a specified RA Dec
  175. imviewOverlayEllipse -- Overlay an ellipse using CASA imview -- obsoleted by au.imviewField(ellipse)
  176. inclinationError -- computes the uncertainty on the inclination of a circular disk based on the apparent major and minor axes of its elliptical projection
  177. insertBookmarks -- insert bookmarks into a PDF
  178. intensityWeightedOffsetToRadec -- combine LL and RR fitted masers into intensity weighted positions nd velocities
  179. invertChannelRanges -- a wrapper function to findChannelRanges which takes just a string and total number of channels (or vis and spw)
  180. ionizingPhotonFlux -- computes equation 1 of Kurtz, Churchwell, Wood (1994)
  181. ionizingPhotonRate -- computes Eq 6 of Turner & Matthews 1984
  182. ionizingPhotonRateFromFluxDensity -- adjusts size of UCHII region until model flux density matches observed
  183. ispec -- Emulates the AIPS task ISPEC to write an ASCII spectrum from one spatial pixel in a cube
  184. ispecOverlay -- Overlay spectrum of a pixel from various cubes
  185. ispecs -- Runs ispec on a list of images
  186. janskyToKelvinFile -- Converts an ASCII spectrum given in frequency and jansky/beam into frequency and brightness temperature K
  187. kelvinHelmholtzTimescale -- compute this timescale for a specified mass, radius and luminosity
  188. kelvinPerJansky -- computes the Kelvin per Jansky conversion factor for a FITS or CASA interferometric image
  189. keplerianRadius -- given a period and mass (and inclination), returns the radius
  190. keplerianRotation -- given a velocity and radius (and inclination), returns the mass
  191. keplerianVelocity -- given a mass and radius (and inclination), returns the tangential velocity
  192. LbolFromLH2O -- Computes bolometric luminosity from water maser luminosity using Urquhart et al. 2001 Eq 9
  193. lsrkRangeForSpw -- Computes the LSRK frequencies of the first and last channel of the same spw in a list of measurement sets
  194. magjy -- Converts between magnitudes and Janskys for optical through mid-infrared wavelengths
  195. makeFlagTimeRanges -- Builds an array of period timerange strings suitable for use in flagdata on simulated measurement sets
  196. makemaskForNewLine -- Copies the clean mask from one line cube to another
  197. makeMaskFromEstimatesFiles -- Builds an aggregate 2D mask from a list of imfit estimates files using circular apertures
  198. makemaskImage -- Builds a mask image from an existing image and a mask lattice expression
  199. makeNoiseImage -- Takes an image as a template and creates a noise image over the same area
  200. makeNoiseSpectrum -- Makes an array of random numbers of a specified std and mean
  201. makeRobust1cubes -- Builds a script to run tclean to recreate pipeline image cubes with a different robust value
  202. masercloud -- Makes a 3D plot of a sequence of maser spot files
  203. maserLuminosity -- Computes luminosity for a spectral line
  204. maserUpperLimit -- Computes lower limit to the maser increase factor when only upper limits are available from one epoch
  205. maskChannel -- Mask a channel or range of channels in a CASA image cube
  206. meanEpoch -- Uses au.yearFraction to compute mean epoch of a list of dates
  207. meanPosition -- Takes two sexagesimal directions and computes the mean of both axes to produce a new direction
  208. measuredProperMotion -- Takes a measured shift in RA seconds and Dec arcseconds between 2 epochs, and computes proper motion and extrapolates for a third epoch
  209. mergebib -- Takes a .tex and .bbl file and puts the latter into the former, for submission to the ApJL word count tool
  210. minimumMassSolarNebula -- computes mass in Msun for specified surface density, inner and outer radii using a 1/r^2 density profile
  211. minimumSpanningTree -- Computes the minimum spanning tree of a graph
  212. modifySpectrumInCube -- Stuffs a new spectrum of values into a spatial pixel of a CASA image cube
  213. monteCarloAddition -- Computes the joint uncertainty of a sum of measurements with individual uncertainties
  214. monteCarloRatio -- Computes the uncertainty of a measurement scaled by an uncertain scale factor
  215. nanmean -- Returns scipy.stats.nanmean if numpy is earlier than 1.81, otherwise returns np.nanmean
  216. nanmedian -- Returns scipy.stats.nanmedian if numpy is earlier than 1.81, otherwise returns np.nanmedian
  217. nearestSourceInFitsTable -- Finds the nearest source in a FITS table to a specified direction
  218. nextPowerOfTwo -- Computes the next power of 2 greater than or equal to the specified integer
  219. nonScanTimeRanges -- Returns a list of date/time ranges outside of the scans of a specified intent
  220. northalign -- Uses the montage python wrapper to align a FITS image to north up
  221. offsetScanNumbers -- Adds a constant to the SCAN_NUMBER column of a measurement set
  222. olnon -- Computes free-free spectral energy distribution from the models of Olnon 1975
  223. oneEvent -- For a given population size, compute the sigma that gives just one event
  224. outermosaic -- Computes the border points of a mosaic pointing pattern
  225. phaseScreenCorrupt -- Corrupts a measurement set using the sm.settrop method.
  226. pipelineBandpassTimeSolint -- Searches CASA log for longest time solint on bandpass calibartor
  227. pipelineBeamRadius -- Emulates the calculation in
  228. pipelinePhasecalSolint -- Checks for solint specified gaincal as a value in 's'econds, rather than 'int' or 'inf'
  229. pipelinePlottingTimes -- Computes time spent in making sky plots in hif_makeimages
  230. pipelineSpwphaseupSpwmap -- finds the spwmap used by the pipeline in spwhpaseup
  231. pipe337beforeAfter -- Makes before/after plots for the hifa_targetflag flags
  232. planckIntensity -- Computes the intensity of the Planck function
  233. plotAplpyLines -- Plots a list of line segments from an ASCII file onto an aplpy figure
  234. plotAplpyPositionAngle -- Plots a line along a position angle on an aplpy FitsFigure
  235. plotCalibratorImagePeaks -- Plots an SED of the image peaks of the per-spw calibrator continuum images
  236. plotCompareFluxcsvs -- Plots age of spectral index vs. separationWindow, from several runs of compareFluxcsvs
  237. plotCompareL80 -- Plots the results from compareL80list
  238. plotFluxMaxAge -- Plots the SSR-generated file used by the OT in ICT-13764
  239. plotHartRAO -- Plots maser spectra ascii files from HartRAO
  240. plotHartRAODifference -- Plots the difference between two maser spectra ascii files from HartRAO
  241. plotLinesOfCodeVsTime -- Plots the lines of code vs. cvs version number and vs. time
  242. plotMaxHoldSpectrum -- Plots the maximum of a uv spectrum output by plotms text file tool
  243. plotRegionSpectrum -- computes and plots the spectrum from the unmasked pixels in a CASA region file
  244. plotRobustGrid -- Plots the results file from buildRobustWeightingGrid
  245. plotSMAEngineeringData -- plots data files downloaded from
  246. plotSpwsVsTime -- Plots the science spws that appear in scans vs. time (or scan ID)
  247. plotTimePipelineImaging -- Makes histograms from a dictionary created by checkTimePipelineImaging
  248. plotTLEazel -- plots a satellite azimuth, elevation file produce by SxP4Test
  249. polarizationUncertainty -- computes polarization percentage and its uncertainty from I, Q, U flux densities and image rms
  250. properMotion -- computes proper motion in mas/year and beams/year for a specified distance, velocity and antenna configuration
  251. propertiesForIonizingPhotonRateDiazMiller -- determine interpolated ZAMS stellar properties for the specified value of Lyman continuum photon rate
  252. propertiesForSpectralTypeHanson -- determine interpolated ZAMS stellar properties for the specified spectral type
  253. pruneMask -- Calls Tak's prune algorithm used by tclean autoboxing
  254. radecListToOffsets -- Converts a list of sexagesimal RA/Dec values into relative coordinates in arcsec (relative to first position in the list)
  255. regionSpectrum -- Computes the spectrum from a specified region of a CASA image
  256. regionToEstimates -- Converts a CASA region file of positions to a imfit estimates file
  257. relaxationTime -- Computes relaxation time of a stellar cluster
  258. removeNaNs -- remove (or replace) the NaNs from an array
  259. removeLastLineOfFile -- removes the final line of an ASCII file, or list of files
  260. removeLines -- removes all lines of an ASCII file that contain a specified string (used for culling AQUA/QA0 bugs in flag command txt files)
  261. replaceMaskedPixels -- replaces masked pixels in a CASA image with a specified value
  262. replaceStringInFiles -- replaces a string with another string in a list of files
  263. rotationPhase -- determines the rotational phase of an observation relative to a zero point in the past
  264. roundMeasurementToAsymmetricString -- converts a value and uncertainty to a latex string with different + and - error bars
  265. roundMeasurementToAsymmetricScientificString -- converts a value and uncertainty to a latex string in scientific notation with different + and - error bars
  266. roundMeasurementToScientificString -- converts a value and uncertainty to a latex string in scientific notation
  267. roundMeasurementToString -- converts a value and uncertainty to a string
  268. scaleFluxcsv -- Scales the flux densities in an ALMA pipeline's flux.csv file
  269. scaleImage -- Scales the intensity in one or more rectangular boxes in a CASA image by a scale factor
  270. scaleImageSize -- Takes a string like '100x60' and scales each number by a specified factor
  271. scanTimeRanges -- Returns a list of date/time ranges for all the scans of a specified intent
  272. shadowedArea -- Computes percentage of antenna area shadowed for a given linear overlap
  273. shiftDecString -- Takes a sexagesimal format Dec Value and shifts it by a specified value of arcseconds
  274. shiftRAString -- Takes a sexagesimal format RA value and shifts it by a specified value of arcseconds
  275. show_circles_intersecting -- Implements aplpy's show_circles but prevents drawing portions that overlap other circles.
  276. sigmaEvent -- compute the probability of an N-sigma event
  277. specfitPlot -- Plots the fit result from the CASA task specfit
  278. spectralTypeFloatToStringTo -- converts 0.95 to 'O9.5' for use after interpolating tables
  279. spectralTypeSternberg -- returns spectral type and luminosity for Q value for class V stars
  280. spectralTypeStringToFloat -- converts 'O9.5' to 0.95 for use in interpolating tables
  281. spectralTypeToTemperature -- uses Pecaut & Mamajek 2013 to convert spectral type to surface temperature
  282. spectraOverlay -- Reads and plots a spectral profile ASCII file created by the CASA viewer
  283. splitSedResults -- Split an sed_results file into N files to prepare it for Robitaille's fitter
  284. stefanBoltzmannLuminosity -- convert radius, distance and temperature to luminosity
  285. stefanBoltzmannRadius -- convert luminosity and temperature to radius
  286. stefanBoltzmannTemperature -- convert luminosity and radius to temperature
  287. stringToURL -- convert a text string to an encoded version suitable for use in a URL
  288. tauFromBrightness -- Inverts the equation Tb = T*(1-exp(-tau))
  289. temperatureToSpectralType -- interpolates Table 5 of Pecaut & Mamajek 2013
  290. timegaincalInterval -- Reads the bandpass/flux phase-only solint from the timegaincal weblog table
  291. topoFreqToChannel -- Converts a list of topo frequencies to topo channels in a measurement set
  292. topoFreqRangeListToChannel -- Converts a semicolon-delimit list of frequency ranges to topo channel ranges
  293. truncatedJDToDatestring -- converts truncated JD to date string
  294. tskyGridPlot -- makes a grid of plots of Tsky vs. frequency from a list of measurement sets and maxAltitudes
  295. uncertaintyOfSummedValues -- computes uncertainty of a sum of measurements
  296. velocityChannelWidth -- Returns the width of cube channels in velocity units
  297. version -- returns the CVS version number of
  298. visibleSky -- compute the fraction of the sky ever visible from a specified latitude and horizon limit
  299. vislistFromFluxcsv -- Returns list of measurement sets contained a flux.csv file
  300. widthOfMaskArcsec -- Finds the width of the smallest central square that circumscribes a mask
  301. zams -- Computes luminosity and radius for a given stellar mass using Hosokawa's fits to Schaller et al. 1992
  302. zamsMassFromLuminosity -- Computes empirical relation of Demircan and Kahraman 1991
  303. zeeman -- fits Stokes I and V spectra for Zeeman effect and magnetic field
-- ToddHunter - 2014-08-13
Topic revision: r169 - 2020-05-20, ToddHunter
This site is powered by FoswikiCopyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding NRAO Public Wiki? Send feedback