////////////////////////////////////////////////////////////////////
//   Declaration of the class photon which will be inherited from the
//   class star. 
/////////////////////////////////////////////////////////////////////////


#ifndef _PHOTON_H_
#define _PHOTON_H_

#include <math.h>
#include <iostream>
#include <stdlib.h>


class photon {
  
public:
  
  float u;
  float v;
  int starnum;
  float lambda_nm;
  float arrtime_sec;
  float x_m;
  float y_m;
  
  
  photon();   //Constructor function.
  
};


#endif






