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Peranso 3 User Guide
Contents
Index
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Introduction
Welcome to Peranso
Acknowledgement
Referencing Peranso in publications
Getting Started
System requirements
Installing Peranso
Running Peranso in trial mode
Registering Peranso
Software updates
Technical support
Legal notes
Peranso User Interface
Main Peranso window types
Observations window
Period window
Phase window
Using mouse and keyboard
Zooming in and out
Panning
Activating/deactivating observations
Blinking observations
Measuring distances
Displaying a context menu
Moving a Frequency cursor with high precision
Overlays
Brightness error bars
Callout
Extremum indicator
False Alarm Probabilities FAPs (GLS)
Frequency cursor
Margin cursor
Measurement indicator
Model function (CLEANest)
Polynomial fit
Residuals (CLEANest)
Smooth line and envelope
Trendline indicator
Tutorials
1. Plotting a light curve from the AAVSO database
Plotting observations from the AAVSO AID
Analysing the light curve
Loading observations from a Peranso project
2. Performing a period analysis
Creating the R Leo light curve
Performing a Lomb-Scargle period analysis
Displaying a Phase Window
Performing an ANOVA period analysis
Checking Aliasing with a Spectral window
Saving your analysis results to a Peranso project file
3. Finding multiple periods through Prewhitening
Working with Observation sets
Working with Notepads
Adding an Observation set to an ObsWin
Aligning the Observation sets
Finding and refining the dominant period
Finding multiple periods using prewhitening
Determining Period significance and Period error
4. Finding multiple periods using CLEANest
Auto-search for multiple periods
Manually search for multiple periods
Working with the Model function and Residuals
Mathematically reconstructing the Model function
5. Detecting period evolutions using WWZ
Working with WWZ Period windows
Displaying Time versus Period windows
6. Detecting exoplanet transits using EEBLS
EEBLS period search
Displaying the graphical EEBLS fit
7. Determining a minor planet's rotation period using FALC
Part 1. Using FALC from the Period analysis menu
Preparing the Observations Window for FALC
Running FALC from the Period analysis menu
Analysing the Phase Window
A textual view of the Period Window
Part 2. Using the FALC Workbench
Regular period analysis
Harmonic order scan
Automatic period scan
8. Determining the orbital period of eclipsing binaries
Preparing the Observations Window
Using the EEBLS method
Using the EASolver method
9. Finding extrema in observations
Using Kwee-van Woerden
Using Polynomial fit
10. Internet light curve plotting
Plotting an AAVSO light curve
Plotting an ASAS-SN light curve
Plotting an ASAS-3 light curve
Plotting a Catalina Surveys DR2 light curve
Plotting a Gaia light curve
Plotting an Hipparcos light curve
Plotting a Kepler light curve
Plotting a Kepler K2 light curve
Plotting an NSVS light curve
Plotting a Pan-STARRS1 DR2 light curve
Plotting a SkyMapper DR2 light curve
Plotting a SuperWASP light curve
Plotting a TESS light curve
Plotting a ZTF light curve
11. Plotting a light curve from the Windows clipboard
Downloading observations from the Catalina Real-Time Transient Survey CRTS
Pasting clipboard contents to an ObsWin
12. Importing a light curve from file
Import observations from AAVSO AID
Import observations from AAVSO EFF
Import observations from AIP4Win v2
Importing observations from ALCDEF
Import observations from ASAS
Import observations from ASAS-SN
Import observations from CBA
Importing observations from DASCH
Import observations from Phoranso
Importing a Peranso 2.x project file
13. Finding the spin period of the Crab nebula pulsar
Optimized rendering of large data sets
Spin period analysis
14. Processing Phoranso reports
Importing a Phoranso report
Cleaning of the Phoranso light curve
Submitting the Phoranso report by email
15. Using the Ephemeris calculator
Creating an ephemeris for V Sge
16. Automated removal of outlier observations
Raw light curve
Finding outlier observations
Automated removal of outlier observations
17. Recovering the first terrestrial exoplanet in Kepler data
Plotting a Kepler light curve
Lowess detrending of the light curve
Recovering the orbital period of the exoplanet
18. Finding TESS's first planet transiting the naked-eye star Pi Mensae
Plotting a TESS light curve
Finding the exoplanet
19. Finding the rotational period of minor planet 10 Hygiea using the ALCDEF database
Downloading observations from the ALCDEF database
Importing ALCDEF observations
Finding the rotational period of 10 Hygiea
20. Significance analysis of a period
Determining Period significance in synthetic data
The Peranso Desktop
File menu
New
Open
Settings
Recent files
Exit
Tools menu
Julian Day calculator
Ephemeris calculator
Help menu
User Guide (local)
User Guide (Internet)
Peranso website
Register online
Registration Key information
About Peranso
Toolbar
New
Open
Save
Page Setup
Print Preview
Print
Copy image to clipboard
Copy data to clipboard
Export data to file
Info
Properties
Help
Observations Window
File menu
New
Open
Close
Save
Save As
Page Setup
Print Preview
Print
Settings
Recent files
Exit
Observations window menu
Add observation set
Clipboard format
User defined file format
Star identification
Add multiple observation sets
Observation sets
Activate all
Deactivate all
Delete all
Delete inactive observations all
Subtract Average Brightness all
Time and Brightness Offset all
Show / Hide Trendline all
Detrend all
Heliocentric correct all
Sort by
Lightcurve Workbench
Binning
Polynomial fit
Outlier removal
Full view
Copy image to clipboard
Copy observations to clipboard
Export observations to file
Info
Textual view
Properties
Form
Axes
Grid
Cursors and Indicators
Close
Period analysis menu
Lomb-Scargle
Lomb-Scargle GLS
Bloomfield
DFT (Deeming)
DCDFT (Ferraz-Mello)
CLEANest (Foster)
FALC (Harris)
ANOVA
Jurkewich
Dworetsky
Renson
PDM
Lafler-Kinman
Phase-binned AoV
WWZ
CE
EEBLS (exoplanet transits)
AoV Transit
EASolver
Spectral window
Tools menu
Julian day calculator
Ephemeris calculator
FALC (Harris) Workbench
Mail observations file
Window menu
Close all Observations windows
Close all windows
Tile horizontally
Tile vertically
Cascade
Arrange icons
Help menu
Toolbar
Find extremum
Zoom on first-previous-active-next-last ObsSet
Notes
Observations window context menu
ObsSet
Activate
Deactivate
Zoom
Split
Delete
Delete inactive observations
Subtract Average Brightness
Time and Brightness Offset
Show / Hide Trendline
Detrend
Copy observations to clipboard
Export observations to file
Properties
AAVSO light curve Observers
AAVSO light curve Band selector
Convert to regular ObsWin
ASAS Grade and Aperture selector
Copy observations to new ObsWin
Import observations from other ObsWin
Export observations to file
Copy image to clipboard
Copy observations to clipboard
Save image to png file
Clean Photometric Report files
Full view
Show scroll buttons
Properties
Period Window
File menu
Period window menu
Full view
Copy image to clipboard
Copy data to clipboard
Export data to file
Info
Mean Noise Power Level
Epoch
Textual view
Properties
Form
Axes
Grid
Cursors and Indicators
Close
Period analysis menu
Show / Hide frequency cursor
Frequency cursor value
PhaseWin at Frequency cursor value
Prominent Periods Table
Refine period analysis
Period significance analysis...
Prewhitening...
CLEANest Workbench
Tools menu
Window menu
Help menu
Toolbar
Period window context menu
Show / Hide EEBLS fit
Export data to file
Copy image to clipboard
Copy data to clipboard
Save image to png file
Full view
Properties
WWZ Period Window
File menu
Period window menu
Tools menu
Window menu
Help menu
Toolbar
WWZ Max values
WWZ Period window context menu
Time vs Period window (max WWZ)
Time vs Freq window (max WWZ)
Export data to file
Copy image to clipboard
Save image to png file
Full View
Properties
Form
Axes
Cursors
Phase Window
File menu
Phase window menu
Full view
Single phase view
Double phase view
Fit mean curve
Copy image to clipboard
Copy data to clipboard
Export data to file
Info
Textual view
Properties
Form
Axes
Grid
Cursors and Indicators
Close
Tools menu
Window menu
Help menu
Toolbar
Phase window context menu
Single phase view
Double phase view
Set epoch
Export data to file
Copy image to clipboard
Copy data to clipboard
Save image to png file
Full view
Properties
Time-series analysis
Classification of period analysis methods
Which period analysis method to use?
Troubleshooting
Windows 10 anti-virus software blocks your Peranso installation
Introduction
Microsoft Defender and Microsoft Edge block your Peranso installation
Windows 10 removes Peranso after installation
Google Chrome blocks your Peranso installation
BitDefender anti-virus software blocks your Peranso installation
McAfee anti-virus software blocks your Peranso installation
Norton 360 anti-virus blocks your Peranso installation
Peranso looks blurry
Glossary
AAVSO
AAVSO International Database AID
AAVSO VSX
Aliasing
ALCDEF
ASAS
ASAS-SN
Binning
Catalina Surveys
CBA
DASCH
Dominant period
False Alarm Probability FAP
Gaia
Harmonics
Hipparcos
Kepler and Kepler K2
LesvePhotometry
NSVS
Observation attributes
Observation set
Pan-STARRS
Period error
Period significance
SIMBAD
SkyMapper
SuperWASP
TESS
VizieR
ZTF
AAVSO
AAVSO International Database AID
AAVSO Lightcurve band selector
AAVSO Lightcurve Observers
About Peranso
Accepted and rejected DASCH observations
Activate all
Activate observations
Add AAVSO lightcurve
Add multiple observation sets
Add Observation Set
Add smooth line
ALCDEF
Alias
Aligning observation sets
ANOVA
Anti-virus software
AoV Transit
Arrange icons
ASAS
ASAS Grade and Aperture selector
ASAS-SN
Asteroid Lightcurve Photometry Database
Automatic period scan FALC
Binning
BitDefender anti-virus
Blinking observations
Bloomfield
BLS
Box-fitting Least Squares
Brightness error
Callout box
Cascade
Catalina Real-Time Transient Survey CRTS
Catalina Sky Survey CSS
Catalina Surveys DR2
Catalina Surveys DR2 light curve plotting
CBA
CE
Classification period analysis methods
CLEANest
CLEANest Workbench
Cleaning LesvePhotometry report files
Clipboard format box
Close
Close all Observations windows
Close all windows
Close without asking for confirmation
Conditional Entropy
Context menu
Convert to regular ObsWin
Copy data to clipboard
Copy image to clipboard
Copy observations to new ObsWin
Corrected average mag
Corrected average time
DASCH
DASCH activate/deactivate accepted observations
DASCH AFLAGS
DASCH QFLAGS
DCDFT (Ferraz-Mello)
Deactivate all
Deactivate observations
Deactivate outliers
Delete all
Delete inactive observations
Delete Observations Set
Detrend all
Detrending observations
DFT (Deeming)
Dominant period
Double phase view
Draw with black border
Dworetsky
EASolver
Edge Enhanced Box-fitting Least Squares
EEBLS
EEBLS fit
Email configuration
Enter period value
Envelope width
Ephemeris calculator
Epoch form
Export data to file
Export observations to file
Export weights and residuals
Extremum
Extremum indicator
FALC
FALC Workbench
False Alarm Probability
FAP
FFI
Finding extrema
Fit mean curve
Fourier transforms
Frequency cursor
Frequency cursor high precision movement
Frequency cursor value
Frequency vs Period window (max WWZ)
Full View
Gaia Alerts
Gaia Alerts Info box
Gaia DR2
Gaia DR3
Gaia light curve plotting
Generalized Lomb-Scargle GLS
Graphical performance
Hardware fingerprint
Harmonic order scan FALC
Harmonics
Heliocentric correct all
Hide scroll button
Hide smooth line
Hipparcos
Import observations from other ObsWin
Importing a CBA text file
Importing a DASCH text file
Importing a LesvePhotometry text file
Importing a Peranso 2.x project file
Importing a ZTF Lasair text file
Importing an AAVSO AID text file
Importing an AAVSO EFF text file
Importing an AIP4Win text file
Importing an ASAS text file
Importing an ASAS-SN csv file
Importing observations from file
Importing observations using the Windows clipboard
Info - Observations Window
Info - Period Window
Info - Phase Window
Installation
Internet light curve plotting
Julian Day calculator
Jurkewich
Kepler datasets selector
Kepler SAP and PDCSAP
Kwee-van Woerden
Lafler-Kinman
Lasair ZTF user token
LCF
Least-squares fit
Left margin cursor
Legal notes
LesvePhotometry
Lightcurve Workbench
Lomb-Scargle
LOWESS detrending
LOWESS fit
Mailing an observations file
Manually enter period value
Margin cursor
Mathematical reconstruction of the Model function
McAfee security center
McAfee security software
Mean curve
Mean Noise Power Level MNPL
Measurement indicator
Microsoft Defender (Windows Security)
Microsoft Defender Anti-Virus
Miscellaneous settings
Model function
Navigation buttons
Norton 360 anti-virus
Notes form
NSVS
NSVS light curve plotting
Nyquist criterion
Nyquist frequency
Observation attributes
Observation marker
Observation Set properties
Observation sets
Observations quality requirement Pan-STARRS
Observations window
Observations Window context menu
Observations window info
Observations Window properties
ObsWindow rendering
Optimized drawing
Otero Quality Flags NSVS
Outlier observations
Page setup
Panning
Pan-STARRS
Pan-STARRS1 DR2 light curve plotting
PDM
Peranso website
Period determination box
Period error
Period significance
Period Window
Period window info
Period window textual view
Phase diagram
Phase Window
Phase window info
Phase-binned AoV
PhaseWin at Frequency cursor value
Phoranso
Plot area
Plot lightcurve from AAVSO database
Plotting a Kepler light curve
Plotting a ZTF light curve
Plotting an ASAS-3 light curve
Polynomial fit
Precomputed ASAS-SN light curve
Prewhitening
Print
Print preview
Processing LesvePhotometry reports
Prominent Periods Table
Properties form
Properties form - Axes
Properties form - Cursors
Properties form - Cursors and Indicators
Properties form - Form
Properties form - Grid
Recomputed ASAS-SN light curve
Refine period analysis
Register online
Registration Key
Registration Key renewal
Registration Key Validity period
Regular period analysis FALC
Removal of outlier observations
Renson
Residuals
Right margin cursor
Scroll buttons
Set epoch
Settings
Show / Hide EEBLS fit
Show / Hide Frequency cursor
Show outliers
Show scroll buttons
Show/hide trendline all
Significance analysis
Significant digits
Single phase view
SLICK
Smooth line and envelope overlays
Smoothing amount
Software updates
Spectral Window
Splitting an Observations Set
Star identification form
Subtract Avg Brightness
Technical support
TESS FFI Full Frame Images
TESS LCF Light Curve Files
Textual view
Tile horizontally
Tile vertically
Time and Brightness offset
Time vs Freq window (max WWZ)
Time vs Period window (max WWZ)
Time-series analysis
Toolbar - Observations Window
Toolbar - Peranso Desktop
Toolbar - Period Window
Toolbar - Phase window
Toolbar - WWZ Period Window
Trendline indicator
Trial mode
Troubleshooting
Tutorial 1
Tutorial 10
Tutorial 11
Tutorial 14
Tutorial 15
Tutorial 2
Tutorial 4
Tutorial 5
Tutorial 6
Tutorial 7
Unblock or exclude in McAfee
Use fixed marker size
Use State
User defined file format
User Guide (Internet)
User Guide (local)
Validity period
Visual inspection
VizieR
Windows clipboard
WWZ
WWZ Color scale
WWZ Max values
WWZ Period Window
WWZ Textual view
Zoom in
Zoom out
ZTF IRSA light curve
ZTF Lasair light curve
Introduction
Peranso 3
User Guide
Tonny Vanmunster
User Guide version 2026.05
Peranso 3.1.0.6 and later
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