diff --git a/src/pulsaranimationwidget.cpp b/src/pulsaranimationwidget.cpp
index c69e66cbc27a8cbe43ed3f83401aec02021c3206..ac65d21175146eb22160f0adb4dcdeaadca29ea1 100644
--- a/src/pulsaranimationwidget.cpp
+++ b/src/pulsaranimationwidget.cpp
@@ -75,12 +75,14 @@ PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
     m_pulsarRotationAngle = 0.0;
     m_orbitRotationAngle = 0.0;
 
-    // initial binary system parameters (have to match GUI!)
-    m_pulsarMass = 1.4;
+    // initial parameters (have to match GUI!)
+    m_LHOAngle = 180;
+    m_LLOAngle = 0;
+    m_VirgoAngle = 0;
+
     m_pulsarRadius = 3.0;
     m_pulsarSpinAxisInclination = 0.0;
-    m_pulsarMagneticAxisInclination = 60.0;
-    m_pulsarSemiMajorAxis = 5.0;
+
     // initial spin frequency of 0.5 Hz
     m_pulsarRotationDelta = (360.0 * 0.5) / m_framesPerSecond;
     // beam properties (keep this order!)
@@ -309,7 +311,7 @@ void PulsarAnimationWidget::paintGL()
 
         glRotatef(-81, 1.0, 1.0, 0.0);
         glTranslatef(0.0, 0.0, m_pulsarRadius);
-        glRotatef(180, 0.0, 0.0, 1.0);
+        glRotatef(m_LHOAngle, 0.0, 0.0, 1.0);
         glPushMatrix();
         {
             glRotatef(90, 0.0, 1.0, 0.0);
@@ -571,41 +573,32 @@ void PulsarAnimationWidget::setPulsarSemiMajorAxis(const double length)
     updateGL();
 }
 
-void PulsarAnimationWidget::setCompanionMass(const double mass)
+void PulsarAnimationWidget::setLLHOAngle(const double degrees)
 {
-    m_companionMass = mass;
+    m_LHOAngle = degrees + 180;
     updateOrbitRadii();
     updatePulseProfile();
 
     updateGL();
 }
 
-void PulsarAnimationWidget::setPulsarMass(const double mass)
+void PulsarAnimationWidget::setLLOAngle(const double degrees)
 {
-    m_pulsarMass = mass;
-    updateOrbitRadii();
+    m_LHOAngle = degrees;
     updatePulseProfile();
-
-    updateGL();
 }
 
-void PulsarAnimationWidget::setPulsarSpinFrequency(const double frequency)
+void PulsarAnimationWidget::setVirgoAngle(const int degrees)
 {
-    m_pulsarRotationDelta = (360.0 * frequency) / m_framesPerSecond;
-    updatePulseProfile();
-}
-
-void PulsarAnimationWidget::setPulsarSpinAxisInclination(const int degrees)
-{
-    m_pulsarSpinAxisInclination = degrees;
+    m_VirgoAngle = degrees;
     updatePulseProfile();
 
     updateGL();
 }
 
-void PulsarAnimationWidget::setPulsarMagneticAxisInclination(const int degrees)
+void PulsarAnimationWidget::setPulsarSpinAxisInclination(const int degrees)
 {
-    m_pulsarMagneticAxisInclination = degrees;
+    m_pulsarSpinAxisInclination = degrees;
     updatePulseProfile();
 
     updateGL();
diff --git a/src/pulsaranimationwidget.h b/src/pulsaranimationwidget.h
index 222f48bbfc8a10a1f85d8197fb9df325bcea922d..f7aa7c64f8ddfbbc8ec376a7ee2d24c8799d4de3 100644
--- a/src/pulsaranimationwidget.h
+++ b/src/pulsaranimationwidget.h
@@ -47,10 +47,10 @@ public:
 
     void setFramePerSecond(const unsigned int fps);
     void setCompanionMass(const double mass);
-    void setPulsarMass(const double mass);
-    void setPulsarSpinFrequency(const double frequency);
+    void setLLHOAngle(const double degrees);
+    void setLLOAngle(const double degrees);
+    void setVirgoAngle(const int degrees);
     void setPulsarSpinAxisInclination(const int degrees);
-    void setPulsarMagneticAxisInclination(const int degrees);
     void setPulsarSemiMajorAxis(const double length);
     void setPulsarBeamAngle(const int degrees);
     void getCameraPosition(double& cameraAngleH, double& cameraAngleV, double& cameraZoom);
@@ -117,10 +117,10 @@ private:
     double m_pulsarBeamLength;
     double m_pulsarBeamAngle;
     double m_pulsarBeamOuterRadius;
-    double m_pulsarMass;
-    double m_pulsarSemiMajorAxis;
+    double m_LHOAngle;
+    double m_LLOAngle;
+    double m_VirgoAngle;
     double m_pulsarSpinAxisInclination;
-    double m_pulsarMagneticAxisInclination;
     double m_companionMass;
     double m_companionSemiMajorAxis;
 
diff --git a/src/pulsatingscience.cpp b/src/pulsatingscience.cpp
index ebfc3b32892642d90d1cb8dd65d046dcd2a15c5c..55103b2fcfc6366553de8b06fad9eedf7326981f 100644
--- a/src/pulsatingscience.cpp
+++ b/src/pulsatingscience.cpp
@@ -202,28 +202,27 @@ void PulsatingScience::closeEvent(QCloseEvent *event)
     }
 }
 
-void PulsatingScience::on_sliderPulsarMass_valueChanged(int value)
+void PulsatingScience::on_sliderLHOAngle_valueChanged(int value)
 {
-    ui.pulsarGlWidget->setPulsarMass(value * 0.1);
-    ui.lcdPulsarMass->display(QString::number(value * 0.1, 'f', 1));
+    ui.pulsarGlWidget->setLLHOAngle(value);
+    ui.lcdLHOAngle->display(QString::number(value));
 }
 
-void PulsatingScience::on_sliderPulsarSpinFrequency_valueChanged(int value)
+void PulsatingScience::on_sliderLLOAngle_valueChanged(int value)
 {
-    ui.pulsarGlWidget->setPulsarSpinFrequency(value * 0.1);
-    ui.lcdPulsarSpinFrequency->display(QString::number(value * 0.1, 'f', 1));
+    ui.pulsarGlWidget->setLLOAngle(value);
+    ui.lcdLLOAngle->display(QString::number(value));
 }
 
-void PulsatingScience::on_sliderPulsarSpinAxisInclination_valueChanged(int value)
+void PulsatingScience::on_sliderVirgoAngle_valueChanged(int value)
 {
-    ui.pulsarGlWidget->setPulsarSpinAxisInclination(value);
-    ui.lcdPulsarSpinAxisInclination->display(QString::number(value));
+    ui.lcdVirgoAngle->display(QString::number(value));
 }
 
-void PulsatingScience::on_sliderPulsarMagneticAxisInclination_valueChanged(int value)
+void PulsatingScience::on_sliderPulsarSpinAxisInclination_valueChanged(int value)
 {
-    ui.pulsarGlWidget->setPulsarMagneticAxisInclination(value);
-    ui.lcdPulsarMagneticAxisInclination->display(QString::number(value));
+    ui.pulsarGlWidget->setPulsarSpinAxisInclination(value);
+    ui.lcdPulsarSpinAxisInclination->display(QString::number(value));
 }
 
 void PulsatingScience::on_sliderPulsarSemiMajorAxis_valueChanged(int value)
@@ -525,10 +524,10 @@ void PulsatingScience::saveOrRestoreInitialAnimationSettings()
 {
     static bool initialized = false;
 
-    static int sliderPulsarMass;
-    static int sliderPulsarSpinFrequency;
+    static int sliderLHOAngle;
+    static int sliderLLOAngle;
+    static int sliderVirgoAngle;
     static int sliderPulsarSpinAxisInclination;
-    static int sliderPulsarMagneticAxisInclination;
     static int sliderPulsarSemiMajorAxis;
 
     static double cameraAngleH;
@@ -537,19 +536,19 @@ void PulsatingScience::saveOrRestoreInitialAnimationSettings()
 
     if(initialized) {
         // restore intial settings
-        ui.sliderPulsarMass->setValue(sliderPulsarMass);
-        ui.sliderPulsarSpinFrequency->setValue(sliderPulsarSpinFrequency);
+        ui.sliderLHOAngle->setValue(sliderLHOAngle);
+        ui.sliderLLOAngle->setValue(sliderLLOAngle);
         ui.sliderPulsarSpinAxisInclination->setValue(sliderPulsarSpinAxisInclination);
-        ui.sliderPulsarMagneticAxisInclination->setValue(sliderPulsarMagneticAxisInclination);
+        ui.sliderVirgoAngle->setValue(sliderVirgoAngle);
         ui.sliderPulsarSemiMajorAxis->setValue(sliderPulsarSemiMajorAxis);
         ui.pulsarGlWidget->resetCameraPosition(cameraAngleH, cameraAngleV, cameraZoom);
     }
     else {
         // save initial settings
-        sliderPulsarMass = ui.sliderPulsarMass->value();
-        sliderPulsarSpinFrequency = ui.sliderPulsarSpinFrequency->value();
+        sliderLHOAngle = ui.sliderLHOAngle->value();
+        sliderLLOAngle = ui.sliderLLOAngle->value();
         sliderPulsarSpinAxisInclination = ui.sliderPulsarSpinAxisInclination->value();
-        sliderPulsarMagneticAxisInclination = ui.sliderPulsarMagneticAxisInclination->value();
+        sliderVirgoAngle = ui.sliderVirgoAngle->value();
         sliderPulsarSemiMajorAxis = ui.sliderPulsarSemiMajorAxis->value();
         ui.pulsarGlWidget->getCameraPosition(cameraAngleH, cameraAngleV, cameraZoom);
         initialized = true;
diff --git a/src/pulsatingscience.h b/src/pulsatingscience.h
index a4b933f7e1eb134415836c3ec61147edb97f7b49..af59b280514ffeb160dd070a47cbbef2f6c54e2a 100644
--- a/src/pulsatingscience.h
+++ b/src/pulsatingscience.h
@@ -43,10 +43,10 @@ public:
     void closeEvent(QCloseEvent *event);
 
 public slots:
-    void on_sliderPulsarMass_valueChanged(int value);
-    void on_sliderPulsarSpinFrequency_valueChanged(int value);
+    void on_sliderLHOAngle_valueChanged(int value);
+    void on_sliderLLOAngle_valueChanged(int value);
+    void on_sliderVirgoAngle_valueChanged(int value);
     void on_sliderPulsarSpinAxisInclination_valueChanged(int value);
-    void on_sliderPulsarMagneticAxisInclination_valueChanged(int value);
     void on_sliderPulsarSemiMajorAxis_valueChanged(int value);
 
     void permanentOrbitsToggled();
diff --git a/src/pulsatingscience.ui b/src/pulsatingscience.ui
index 42efd8be3ffba343b0c14376f5cec9391288a215..9e519d2eccd1c2b5c563b8d572f71d5342820382 100644
--- a/src/pulsatingscience.ui
+++ b/src/pulsatingscience.ui
@@ -74,15 +74,15 @@
      <item row="1" column="0">
       <layout class="QGridLayout" name="gridLayout_2">
        <item row="3" column="1">
-        <widget class="QSlider" name="sliderPulsarMagneticAxisInclination">
+        <widget class="QSlider" name="sliderVirgoAngle">
          <property name="statusTip">
-          <string>Use this slider to adjust the inclination of the magnetic pole axis with respect to the spin axis</string>
+          <string>Use this slider to adjust the orientation of Virgo</string>
          </property>
          <property name="maximum">
-          <number>180</number>
+          <number>360</number>
          </property>
          <property name="value">
-          <number>60</number>
+          <number>0</number>
          </property>
          <property name="orientation">
           <enum>Qt::Horizontal</enum>
@@ -107,18 +107,21 @@
         </widget>
        </item>
        <item row="0" column="1">
-        <widget class="QSlider" name="sliderPulsarMass">
+        <widget class="QSlider" name="sliderLHOAngle">
          <property name="statusTip">
-          <string>Use this slider to adjust the pulsar mass</string>
+          <string>Use this slider to adjust the orientation of LHO</string>
          </property>
          <property name="minimum">
-          <number>14</number>
+          <number>0</number>
          </property>
          <property name="maximum">
-          <number>30</number>
+          <number>360</number>
          </property>
          <property name="pageStep">
-          <number>2</number>
+          <number>10</number>
+         </property>
+         <property name="value">
+          <number>0</number>
          </property>
          <property name="orientation">
           <enum>Qt::Horizontal</enum>
@@ -129,7 +132,7 @@
         </widget>
        </item>
        <item row="0" column="2">
-        <widget class="QLCDNumber" name="lcdPulsarMass">
+        <widget class="QLCDNumber" name="lcdLHOAngle">
          <property name="numDigits">
           <number>6</number>
          </property>
@@ -137,7 +140,7 @@
           <enum>QLCDNumber::Flat</enum>
          </property>
          <property name="value" stdset="0">
-          <double>1.400000000000000</double>
+          <double>0.000000000000000</double>
          </property>
         </widget>
        </item>
@@ -156,21 +159,21 @@
         </widget>
        </item>
        <item row="1" column="1">
-        <widget class="QSlider" name="sliderPulsarSpinFrequency">
+        <widget class="QSlider" name="sliderLLOAngle">
          <property name="statusTip">
-          <string>Use this slider to adjust the spin frequency</string>
+          <string>Use this slider to adjust the orientation of LLO</string>
          </property>
          <property name="minimum">
           <number>0</number>
          </property>
          <property name="maximum">
-          <number>20</number>
+          <number>360</number>
          </property>
          <property name="pageStep">
-          <number>5</number>
+          <number>10</number>
          </property>
          <property name="value">
-          <number>5</number>
+          <number>0</number>
          </property>
          <property name="orientation">
           <enum>Qt::Horizontal</enum>
@@ -185,12 +188,12 @@
           <enum>QSlider::TicksBelow</enum>
          </property>
          <property name="tickInterval">
-          <number>1</number>
+          <number>0</number>
          </property>
         </widget>
        </item>
        <item row="1" column="2">
-        <widget class="QLCDNumber" name="lcdPulsarSpinFrequency">
+        <widget class="QLCDNumber" name="lcdLLOAngle">
          <property name="numDigits">
           <number>6</number>
          </property>
@@ -198,7 +201,7 @@
           <enum>QLCDNumber::Flat</enum>
          </property>
          <property name="value" stdset="0">
-          <double>0.500000000000000</double>
+          <double>0.000000000000000</double>
          </property>
         </widget>
        </item>
@@ -269,7 +272,7 @@
         </widget>
        </item>
        <item row="3" column="2">
-        <widget class="QLCDNumber" name="lcdPulsarMagneticAxisInclination">
+        <widget class="QLCDNumber" name="lcdVirgoAngle">
          <property name="numDigits">
           <number>6</number>
          </property>
@@ -277,10 +280,10 @@
           <enum>QLCDNumber::Flat</enum>
          </property>
          <property name="value" stdset="0">
-          <double>60.000000000000000</double>
+          <double>0.000000000000000</double>
          </property>
          <property name="intValue" stdset="0">
-          <number>60</number>
+          <number>0</number>
          </property>
         </widget>
        </item>
@@ -297,7 +300,7 @@
           <string>Use this slider to adjust the inclination of the spin axis with respect to the orbit axis</string>
          </property>
          <property name="maximum">
-          <number>180</number>
+          <number>360</number>
          </property>
          <property name="value">
           <number>0</number>
@@ -363,7 +366,6 @@
     <property name="title">
      <string>&amp;Control</string>
     </property>
-    <addaction name="separator"/>
     <addaction name="actionQuit"/>
    </widget>
    <addaction name="menuControl"/>