ng> : array-like</p>
<blockquote>
<div><p>The counts in each phase bin of Profile</p>
</div></blockquote>
<p><strong>phase</strong> : array-like</p>
<blockquote>
<div><p>The midpoints of phase bins</p>
</div></blockquote>
<p><strong>phase_off</strong> : list</p>
<blockquote>
<div><p>The list of phase off interval, the two value are the left
and right phase bin of off pulse phases.
left_edge = phase_off[0]
right_edge = phase_ff[1]</p>
</div></blockquote>
<p><strong>ref_time</strong> : float, default None</p>