| Name | Category | Unit | Description |
| ACTION | I/O (optional) | | Specify reaction on present logfile. |
| AZkP | Geometrical (default 0) | degrees | Central positions of modelled azimuthal range (k = 1, 2) |
| AZkP_i | Geometrical (default 0) | degrees | Central positions of modelled azimuthal range (k = 1, 2), ith disk, i = 2, 3, ... |
| AZkW | Geometrical (default 0) | degrees | Width of modelled azimuthal range (k = 1, 2) |
| AZkW_i | Geometrical (default 0) | degrees | Width of modelled azimuthal range (k = 1, 2), ith disk, i = 2, 3, ... |
| BIGTABLE | I/O (no default) | | Name of output table listing geometrical parameters per sub-ring |
| BIGTILT | I/O (optional) | | Name of output fits file, containing a tiltogram per sub-ring. |
| BMAJ | Geometrical (from FITS header) | arcsec | Observational beam HPBW, major axis |
| BMIN | Geometrical (from FITS header) | arcsec | Observational beam HPBW, minor axis |
| BOX | I/O (obsolete) | | Parameter must be set in GIPSY versions, because of GIPSY, but leave always empty |
| Name | Category | Unit | Description |
| BPA | Geometrical (from FITS header) | degrees | Position angle of observational beam major axis, measured anticlockwise from N |
| CALLITE | Fitting (required) | | Maximum number of model calculations per iteration (FITMODE 2 only) |
| CFLUX | Geometrical (required) | Jy km s-1 | Point source (total) flux of first disk |
| CFLUX_i | Geometrical (required) | Jy km s-1 | Point source (total) flux of ith disk |
| CLNR | Geometrical (default 1) | | Number of sub-clouds per cloud |
| CLNR_i | Geometrical (default 1) | | Number of sub-clouds per cloud, ith disk, i = 2, 3, ... |
| CONDISP | Geometrical (no default) | km s-1 | Global velocity dispersion |
| COOLBEAM | I/O (default 10) | arcsec | FWHM of a convolving function to smooth the spatial 3D model as specified with COOLGAL (default: 10 arcsec) |
| COOLBIN | I/O (default 1) | | Number of voxels along each axis per input voxel for spatial 3D model as specified with COOLGAL (default: 1) |
| COOLGAL | I/O (optional) | | Name of output fits file, containing a spatial 3D realisation of the output model. |
| DEFFILE | I/O (not required) | | Name of default file |
| DELEND | Fitting (default variable) | Defined with VARY | Stepwidth for MODERATE=th and later fitting loop |
| Name | Category | Unit | Description |
| DELSTART | Fitting (default variable) | Defined with VARY= | Start stepwidth for first fitting loop |
| DISTANCE | I/O (default 10) | Mpc | Distance of object, only needed for output (default: 10 Mpc) |
| DVRA | Geometrical (default 0) | km s-1 arcsec-1 | Vertical gradient of radial velocity |
| DVRA_i | Geometrical (default 0) | km s-1 arcsec-1 | Vertical gradient of radial velocity, ith disk, i = 2, 3, ... |
| DVRO | Geometrical (default 0) | km s-1 arcsec-1 | Vertical gradient of rotation velocity |
| DVRO_i | Geometrical (default 0) | km s-1 arcsec-1 | Vertical gradient of rotation velocity, ith disk, i = 2, 3, ... |
| DVVE | Geometrical (default 0) | km s-1 arcsec-1 | Vertical gradient of vertical velocity |
| DVVE_i | Geometrical (default 0) | km s-1 arcsec-1 | Vertical gradient of vertical velocity, ith disk, i = 2, 3, ... |
| FITMODE | Fitting (required) | | Fitting mode, 1: Golden Section, old fashion, 2: Golden Section, 3: Simplex |
| GAkA | Geometrical (default 0) | Jy km s-1 arcsec-2 | Amplitude of kth Gaussian surface-brightness distortion (k = 1, ..., 4) |
| Name | Category | Unit | Description |
| GAkA_i | Geometrical (default 0) | Jy km s-1 arcsec-2 | Amplitude of kth Gaussian surface-brightness distortion (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| GAkD | Geometrical (default 0) | arcsec | Dispersion of kth Gaussian surface-brightness distortion (k = 1, ..., 4) |
| GAkD_i | Geometrical (default 0) | arcsec | Dispersion of kth Gaussian surface-brightness distortion (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| GAkP | Geometrical (default 0) | degrees | Phase of kth Gaussian surface-brightness distortion (k = 1, ..., 4) |
| GAkP_i | Geometrical (default 0) | degrees | Phase of kth Gaussian surface-brightness distortion (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| GR_COAD_i_j | I/O (optional) | | Pgplot color of jth additonal data series, ith plot |
| GR_COL_i | I/O (default 0) | | Pgplot color of main data series (1-15) |
| GR_CONT | I/O (optional) | | Continue after plot (any value)? |
| GR_DEVICE | I/O (optional) | | pgplot device for parameter plot |
| GR_EBAD_i_j | I/O (optional) | ordinate units | Errors for data points, jth additional series, ith plot |
| Name | Category | Unit | Description |
| GR_ERAD_i_j | I/O (optional) | | Plot error bars for data points, jth additional data series, ith plot? (1: yes, 0: no) |
| GR_ERRB_i | I/O (default 0) | | Plot error bars for main data series? |
| GR_ERRV_i | I/O (default 1) | ordinate units | List error bars for main data series |
| GR_HLCA_i | I/O (optional) | | Pgplot colors of horizontal lines ith plot |
| GR_HLVA_i | I/O (optional) | ordinate units | Positions of horizontal lines for ith plot |
| GR_HORL_i | I/O (optional) | | Number of horizontal lines to plot for ith plot |
| GR_INTERPAD_i_j= | I/O (defaults to INTY) | | Interpolation scheme for lines jth additional series ith plot; 0: linear, 1: natural cubic spline, 2: natural Akima |
| GR_INTER_i= | I/O (defaults to INTY) | | Interpolation scheme for lines for main data series; 0: linear, 1: natural cubic spline, 2: natural Akima |
| GR_LGND | I/O (optional) | | Plot legend with axis descriptors? (1: yes 0: no) |
| GR_LIAD_i_j | I/O (optional) | | Lines between jth additional series ith plot? (1: yes, 0: no) |
| GR_LINES_i | I/O (default 0) | | Plot lines for main data series? (1: yes, 0: no) |
| GR_ML | I/O (optional) | TXHT= | Margin between plot and left hand axis descriptors (in units of TXHT=) |
| Name | Category | Unit | Description |
| GR_MR | I/O (optional) | TXHT= | Margin between plot and right hand axis descriptors (in units of TXHT=) |
| GR_NPAD_i_j | I/O (optional) | | Number of data points of jth additional series of ith plot |
| GR_NRAD_i | I/O (default 0) | | Number of series to add for ith plot |
| GR_PARMS | I/O (optional) | | Parameters to plot, first parameter on abscissa |
| GR_PRFR | I/O (optional) | | Reference ring for central position |
| GR_PRFX | I/O (optional) | deg | Right ascension of reference position |
| GR_PRFY | I/O (optional) | deg | Declination of reference position |
| GR_SBHT | I/O (optional) | TXHT= | Symbol height (in units of TXHT=) |
| GR_SBRP | I/O (optional) | | Plot subrings? (1: yes 0: no) |
| GR_SIAD_i_j | I/O (optional) | TXHT= | Size of pgplot symbols, jth additional data series, ith plot |
| Name | Category | Unit | Description |
| GR_SIZE_i | I/O (default 1) | TXHT= | Size of symbols for main data series |
| GR_SYAD_i_j | I/O (optional) | | Pgplot symbol of data points, jth additional series, ith plot |
| GR_SYMB_i | I/O (default -1) | | Pgplot symbol used for main data series ith plot |
| GR_TXHT | I/O (optional) | | Text height in pgplot units (1/40th of the plot height) |
| GR_VERL_i | I/O (default 0) | | Number of vertical lines to plot for ith plot |
| GR_VLCA_i | I/O (optional) | | Pgplot colors of vertical lines ith plot (1-15) |
| GR_VLVA_i | I/O (optional) | abscissa units | Positions of vertical lines for ith plot |
| GR_XLOG | I/O (optional) | | Format abscissa logarithmically? (1: yes 0: no) |
| GR_XMAX | I/O (optional) | abscissa units | Axis range: maximum of abscissa |
| GR_XMIN | I/O (optional) | abscissa units | Axis range: minimum of abscissa |
| Name | Category | Unit | Description |
| GR_XPAD_i_j | I/O (optional) | abscissa units | Values of data points, jth additional data series, ith plot, abscissa |
| GR_YLOG_i | I/O (default 0) | | Format abscissa of ith plot logarithmically? (1: yes 0: no) |
| GR_YMAX_i | I/O (optional) | ordinate units | Axis range: maximum of ordinate, ith plot |
| GR_YMIN_i | I/O (optional) | ordinate units | Axis range: minimum of ordinate, ith plot |
| GR_YPAD_i_j | I/O (optional) | ordinate units | Values of data points, jth additional data series, ith plot, ordinate |
| INCL | Geometrical (default 0) | degrees | Inclination |
| INCLINO | I/O (optional) | | Name of output fits file, containing an inclinogram data cube. Only for first disk. |
| INCL_i | Geometrical (default 0) | degrees | Inclination, ith disk, i = 2, 3, ... |
| INDINTY | Fitting (default 1) | | Interpolation scheme between parameters indexed by VARINDX |
| INIMODE | Generic (required) | | FFT initialisation mode, integer from 0-3, 3: slowest initialisation, 0: fastest initialisation |
| INSET | I/O | | The name of the input data set |
| Name | Category | Unit | Description |
| INTY | Geometrical (default 0) | | Interpolation scheme for sub-grid (sub-ring) parameters; 0: linear, 1: natural cubic spline, 2: natural Akima |
| IN_REFINE | I/O (default 1) | | Increase of TILT= in spatial resolution compared to input data cube (default: 1) |
| ISEED | | Jy km s-1 arcsec-2 | Constant surface brightness |
| ITEEND | Fitting (default variable) | | Maximum number of model generations for MODERATE=th and later fitting loop (only FITMODE= 1) |
| ITESTART | Fitting (default variable) | | Maximum number of model generations for first fitting loop (only FITMODE= 1) |
| ITOU | I/O (default 1.248683·1024) | atoms cm-2 (Jy km s-1 arcsec-2)-1 | Conversion from Jy km s-1 arcsec-2 to (HI-) atoms cm-2 |
| LC0 | Geometrical (default 0) | arcsec | Shift along the projected major axis |
| LC0_i | Geometrical (default 0) | arcsec | Shift along the projected major axis, ith disk, i = 2, 3, ... |
| LOGNAME | I/O (optional) | | Name of logfile. |
| LOOPS | Fitting (required) | | (Maximum) number of repeated major fitting loops |
| LS0 | Geometrical (default 0) | arcsec | Shift along the projected minor axis |
| Name | Category | Unit | Description |
| LS0_i | Geometrical (default 0) | arcsec | Shift along the projected minor axis, ith disk, i = 2, 3, ... |
| LTYPE | Geometrical (default 0) | | Vertical density distribution: 0: constant, 1: Gaussian, 2: sech2, 3: exponential, 4: Lorentzian |
| LTYPE_i | Geometrical (default 0) | | Vertical density distribution: 0: constant, 1: Gaussian, 2: sech2, 3: exponential, 4: Lorentzian, ith disk, i = 2, 3, ... |
| MAXITER | Fitting (required) | | Maximum number of iterations for the complete fitting process |
| MINDELTA | Fitting (default variable) | Defined with VARY= | Fitting grid normalisation (minimal stepwidth) |
| MODERATE | Fitting (default variable) | | Loops to interpolate between fit parameters |
| NCORES | Generic (required) | | Number of computing cores |
| NDISKS | Geometrical | | Number of disks |
| NUR | Geometrical (required) | | Number of grid nodes (ring radii) |
| OUTCUBUP | I/O (required) | | Frequency of updating OUTSET= |
| Name | Category | Unit | Description |
| OUTSET | I/O (required) | | Name of output data cube |
| PA | Geometrical (default 0) | degrees | Inclination |
| PARMAX | Fitting (default variable) | Defined with VARY= | Fitting constraint: maxima |
| PARMIN | Fitting (default variable) | Defined with VARY= | Fitting constraint: maxima |
| PA_i | Geometrical (default 0) | degrees | Inclination, ith disk, i = 2, 3, ... |
| PENALTY | Fitting (required) | | Penalize outliers from the data cube (continuous parameter, 0: do not penalise) |
| PROMPT | I/O (not required) | | Prompt on error (1: yes, 0: no)? |
| PSW_PSSE | Fitting (default 42) | | PSWARM seed |
| PSW_PSNP | Fitting (default 42) | | PSWARM number of particles |
| PSW_PSCO | Fitting (default 0.5) | | PSWARM cognition parameter |
| PSW_PSSO | Fitting (default 0.5) | | PSWARM social parameter |
| PSW_PSMV | Fitting (default 0.5) | | PSWARM maximum velocity |
| PSW_PSNF | Fitting (default 8000) | | PSWARM number of function evaluations to go from initial weight to final weight |
| PSW_PSII | Fitting (default 0.9) | | PSWARM initial weight |
| PSW_PSFI | Fitting (default 0.4) | | PSWARM final weight |
| PSW_PSID | Fitting (default 2.0) | | PSWARM increase delta |
| PSW_PSDD | Fitting (default 0.5) | | PSWARM decrease delta |
| RADI | Geometrical (required) | arcsec | List of grid nodes (ring radii) |
| RADSEP | Geometrical (required) | pixel | Separation of sub-grids (sub-rings) |
| RADSEP_i | Geometrical (required) | pixel | Separation of sub-grids (sub-rings), ith disk, i = 2, 3, ... |
| RAkA | Geometrical (default 0) | km s-1 | Amplitude of harmonic radial velocity kth order (k = 1, ..., 4), first disk |
| Name | Category | Unit | Description |
| RAkA_i | Geometrical (default 0) | km s-1 | Amplitude of harmonic radial velocity kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| RAkP | Geometrical (default 0) | degrees | Phase of harmonic radial velocity kth order (k = 1, ..., 4), first disk |
| RAkP_i | Geometrical (default 0) | degrees | Phase of harmonic radial velocity kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| REFRING | I/O (default 5) | | Number of the reference node to calculate several intrinsic parameters (e.g. warp angle). Default: 5 or NUR= if NUR < 5 |
| REGAMPD | Fitting (optional) | | Optionally absolute value of denominator in harmonic regularisation |
| REGAMPL | Fitting (optional) | | Constant penalty in harmonic regularisation |
| REGASTE | Fitting (optional) | | Proportionality constant with loop number for additional penalty in harmonic regularisation |
| REGDENO | Fitting (optional) | | Give comma-separated list of denominator orders for (harmonic) regularisation |
| REGNUME | Fitting (optional) | | Give comma-separated list of numerator orders for (harmonic) regularisation |
| REGPARA | Fitting (required) | | Give comma-separated list of parameters foreseen for (harmonic) regularisation |
| Name | Category | Unit | Description |
| REGTHRE | Fitting (optional) | | Threshold value above which a ratio of harmonic amplitides gets penalised |
| REGWIDT | Fitting (optional) | | whidth for the harmonic ratio until maximum penalty is reached |
| RESTARTNAME | Fitting (optional) | | Give file name for restarting TiRiFiC |
| RESTARTID | Fitting (optional) | | Give ID for restarting tirific |
| RMS | Fitting (required) | map units (Jy km s-1) | RMS noise in input data cube |
| ROkA | Geometrical (default 0) | km s-1 | Amplitude of harmonic tangential (rotation) velocity kth order (k = 1, ..., 4), first disk |
| ROkA_i | Geometrical (default 0) | km s-1 | Amplitude of harmonic tangential (rotation) velocity kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| ROkP | Geometrical (default 0) | degrees | Phase of harmonic tangential (rotation) kth order (k = 1, ..., 4), first disk |
| ROkP_i | Geometrical (default 0) | degrees | Phase of harmonic tangential (rotation) kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| SATDELT | Fitting (default variable) | Defined with VARY= | Define stopping condition after a loop (only FITMODE= 1) |
| SBR | Geometrical (default 1803) | | Seed for random-number generator |
| Name | Category | Unit | Description |
| SBR_i | Geometrical (default 0) | Jy km s-1 arcsec-2 | Constant surface brightness, ith disk, i = 2, 3, ... |
| SDIS | Geometrical (default 0) | km s-1 | Radially dependent velocity dispersion |
| SDIS_i | Geometrical (default 0) | km s-1 | Radially dependent velocity dispersion, ith disk, i = 2, 3, ... |
| SIZE | Fitting (required) | | Stopping size of the minimisation process (one number, in units of MINDELTA=) |
| SMkA | Geometrical (default 0) | Jy km s-1 arcsec-2 | Amplitude of harmonic surface-brightness distortion kth order (k = 1, ..., 4) |
| SMkA_i | Geometrical (default 0) | Jy km s-1 arcsec-2 | Amplitude of harmonic surface-brightness distortion kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| SMkP | Geometrical (default 0) | degrees | Phase of harmonic surface-brightness distortion kth order (k = 1, ..., 4) |
| SMkP_i | Geometrical (default 0) | degrees | Phase of harmonic surface-brightness distortion kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| TABLE | I/O (optional) | | Name of output table listing geometrical parameters per node |
| TILT | I/O (optional) | | Name of output fits file, containing a tiltogram per ring. |
| Name | Category | Unit | Description |
| TIRACC | I/O (default 5) | | Numerical accuracy for the output .def files TIRDEF= and TIRSMO= (default: 5) |
| TIRDEF | I/O (optional) | | Name of output TiRiFiC .def file for repeated fitting runs |
| TIRLEN | I/O (default 3) | | Length of Hanning filter used for TIRSMO= (default: 5) |
| TIRNR | I/O (optional) | | Number of rings in the output .def files TIRDEF= and TIRSMO= |
| TIRRAD | I/O (optional) | arcsec | Radii of nodes in the output .def files TIRDEF= and TIRSMO= |
| TIRSMO | I/O (optional) | | Hanning-filtered version of TIRDEF= |
| VARINDX | Fitting (required) | | List of radial nodes to be ignored for a given parameter name |
| VARY | Fitting (required) | | Specification of fitting parameters |
| VM0A | Geometrical (default 0) | km s-1 | Amplitude of harmonics in LOS velocity 0th order: constant shift in velocity |
| VM0A_i | Geometrical (default 0) | km s-1 | Amplitude of harmonics in LOS velocity 0th order: constant shift in velocity |
| Name | Category | Unit | Description |
| VMkA | Geometrical (default 0) | km s-1 | Amplitude of harmonics in LOS velocity kth order (k = 1, ..., 4) |
| VMkA_i | Geometrical (default 0) | km s-1 | Amplitude of harmonics in LOS velocity kth order (k = 1, ..., 4) |
| VMkP | Geometrical (default 0) | degrees | Phase of harmonics in LOS velocity kth order (k = 1, ..., 4) |
| VMkP_i | Geometrical (default 0) | degrees | Phase of harmonics in LOS velocity kth order (k = 1, ..., 4) |
| VRAD | Geometrical (default 0) | km s-1 | Mid-plane radial velocity (outwards positive) |
| VRAD_i | Geometrical (default 0) | km s-1 | Mid-plane radial velocity (outwards positive), ith disk, i = 2, 3, ... |
| VROT | Geometrical (default 0) | km s-1 | Mid-plane Rotation velocity |
| VROT_i | Geometrical (default 0) | km s-1 | Mid-plane Rotation velocity, ith disk, i = 2, 3, ... |
| VSYS | Geometrical (default 0) | km s-1 | Recession velocity |
| VSYS_i | Geometrical (default 0) | km s-1 | Recession velocity, ith disk, i = 2, 3, ... |
| Name | Category | Unit | Description |
| VVER | Geometrical (default 0) | km s-1 | Mid-plane vertical velocity |
| VVER_i | Geometrical (default 0) | km s-1 | Mid-plane vertical velocity, ith disk, i = 2, 3, ... |
| WEIGHT | Fitting (required) | | Continuous parameter to take quantisation noise into account in χ2 evaluation. |
| WM0A | Geometrical (default 0) | arcsec | Amplitude of harmonic vertical displacement 0th order: constant vertical displacement |
| WM0A_i | Geometrical (default 0) | arcsec | Amplitude of harmonic vertical displacement 0th order: constant vertical displacement, ith disk, i = 2, 3, ... |
| WMkA | Geometrical (default 0) | arcsec | Amplitude of harmonic vertical displacement kth order (k = 1, ..., 4) |
| WMkA_i | Geometrical (default 0) | arcsec | Amplitude of harmonic vertical displacement kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| WMkP | Geometrical (default 0) | degrees | Phase of harmonic vertical displacement kth order (k = 1, ..., 4) |
| WMkP_i | Geometrical (default 0) | degrees | Phase of harmonic vertical displacement kth order (k = 1, ..., 4), ith disk, i = 2, 3, ... |
| XPOS | Geometrical (default 0) | degrees | Right ascension |
| Name | Category | Unit | Description |
| XPOS_i | Geometrical (default 0) | degrees | Right ascension, ith disk, i = 2, 3, ... |
| YPOS | Geometrical (default 0) | degrees | declination |
| YPOS_i | Geometrical (default 0) | degrees | Declination, ith disk, i = 2, 3, ... |
| Z0 | Geometrical (default 0) | arcsec | Thickness of disk |
| Z0_i | Geometrical (default 0) | arcsec | Thickness of disk, ith disk, i = 2, 3, ... |
| ZDRA | Geometrical (default 0) | arcsec | Vertical gradient of radial velocity |
| ZDRA_i | Geometrical (default 0) | arcsec | Vertical gradient of radial velocity, ith disk, i = 2, 3, ... |
| ZDRO | Geometrical (default 0) | arcsec | Vertical gradient of rotation velocity |
| ZDRO_i | Geometrical (default 0) | arcsec | Vertical gradient of rotation velocity, ith disk, i = 2, 3, ... |
| ZDVE | Geometrical (default 0) | arcsec | Vertical gradient of vertical velocity |
| Name | Category | Unit | Description |
| ZDVE_i | Geometrical (default 0) | arcsec | Vertical gradient of vertical velocity, ith disk, i = 2, 3, ... |
