Find variables (dialog)

The “Find variables” dialog is used to find objects that significantly change their brightness.

Activating the dialog

The dialog can be activated:

  1. from the main menu: Tools ‣ Find variables.
  2. from the main toolbar: varfind_icon

Finding variable stars

Find variables dialog

The dialog for finding new variable stars

(1) The mag-dev graph is presented here. Each point in the graph corresponds to an object. The comparison star is not shown. Left click on a mag-dev graph to select a star. It is highlighted and its light curve is shown below (2).

(3) Position of the variable star and the comparison star are marked on the chart. Left click on a chart to select a star. It is highlighted and its light curve is shown below (2).

(4) Single left click on a chart or graph marks the stars as a variable star or a comparison star according to the current selection mode.

(5) You can change the current aperture by means of this selection field.

Click the “Save chart” button (6) to save the chart to a file.

Click the “Save light curve” button (7) to save the light curve to a file.

(8) The local menu bar provides following functions:

  • Menu File:
    • Save all data - exports magnitudes of all stars for all source frames to a single file.
    • Save mag-dev curve - exports table with mag-dev curve to a text file.
    • Save chart - save the chart to a file.
    • Save light curve - save the light curve to a file.
    • Close - close this window
  • Menu View:
    • Image only - show only CCD image (if available) and hide objects.
    • Chart only - show only objects and hide the CCD image.
    • Chart and image - show CCD image on the background and objects as an overlay.

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