code: def unixtime_to_jd(unix_time):
      '''This converts UNIX time in seconds to a Julian date in UTC (JD_UTC).
  
      Parameters
      ----------
  
      unix_time : float
          A UNIX time in decimal seconds since the 1970 UNIX epoch.
  
      Returns
      -------
  
      jd : float
          The Julian date corresponding to the provided UNIX time.
  
      '''
  
      # use astropy's time module
      jdutc = astime.Time(unix_time, format='unix', scale='utc')
      return jdutc.jf unixtime_to_jd(unix_time):
      '''This converts UNIX time in seconds to a Julian date in UTC (JD_UTC).
  
      Parameters
      ----------
  
      unix_time : float
          A UNIX time in decimal seconds since the 1970 UNIX epoch.
  
      Returns
      -------
  
      jd : float
          The Julian date corresponding to the provided UNIX time.
  
      '''
  
      # use astropy's time module
      jdutc = astime.Time(unix_time, format='unix', scale='utc')
      return jdutc.jd
docs: This converts UNIX time in seconds to a Julian date in UTC (JD_UTC).
  
      Parameters
      ----------
  
      unix_time : float
          A UNIX time in decimal seconds since the 1970 UNIX epoch.
  
      Returns
      -------
  
      jd : float
          The Julian date corresponding to the provided UNIX time.