In [1]: import numpy as np

In [2]: import cPickle as pickle

In [3]: from astropy.table import Table

In [4]: from astropy.time import Time

In [5]: # This one didn't work before...

In [6]: a = [[0,1],[1,2],[2,3]]

In [7]: t = Table([a], names=('a'))

In [8]: pickle.dump(t, open("table.pickle", "wb"))

In [9]: pickle.load(open("table.pickle", "r"))
Out[9]: 
<Table length=3>
a [2] 
int64 
------
0 .. 1
1 .. 2
2 .. 3

In [10]: # Here is an array of Time objects

In [11]: a = np.asarray([Time(55000.0, format='mjd', scale='utc'), \
   ....:                 Time(55001.0, format='mjd', scale='utc'), \
   ....:                 Time(55002.0, format='mjd', scale='utc')])

In [12]: t = Table([a], names=('a'))

In [13]: pickle.dump(t, open("table.pickle", "wb"))

In [14]: pickle.load(open("table.pickle", "r"))
Out[14]: 
<Table length=3>
   a   
 object
-------
55000.0
55001.0
55002.0

In [15]: # Here is a Time-object array

In [16]: a = Time(55000.0+np.arange(3.0), format='mjd', scale='utc')

In [17]: t = Table([a], names=('a'))

In [18]: pickle.dump(t, open("table.pickle", "wb"))
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-18-563cc76ba7b1> in <module>()
----> 1 pickle.dump(t, open("table.pickle", "wb"))

/usr/lib/python2.7/copy_reg.pyc in _reduce_ex(self, proto)
     68     else:
     69         if base is self.__class__:
---> 70             raise TypeError, "can't pickle %s objects" % base.__name__
     71         state = base(self)
     72     args = (self.__class__, base, state)

TypeError: can't pickle weakref objects

In [19]: pickle.load(open("table.pickle", "r"))
---------------------------------------------------------------------------
EOFError                                  Traceback (most recent call last)
<ipython-input-19-f5f0b110d204> in <module>()
----> 1 pickle.load(open("table.pickle", "r"))