Update astropy URL links

source/astropy-UVES/UVES.rst

@@ -280,12 +280,12 @@ Units and constants in astropy
 Often, one has to keep track of the units for certain values. Was the wavelength
 given in Angstrom or in nm? In X-ray observations, a common unit of wavelength is
 keV. How many nm is 0.65 keV?
-`astropy.units <http://docs.astropy.org/en/v0.2.1/units/index.html>`_
+`astropy.units <http://astropy.readthedocs.org/en/stable/units/index.html>`_
 offers a framework that can take
 care of this book-keeping and propagate the units through many (but not all)
 mathematical operations (e.g. addition, division, multiplication). 
 Furthermore, 
-`astropy.constants <http://docs.astropy.org/en/v0.2.1/constants/index.html>`_  supplies the values of
+`astropy.constants <http://astropy.readthedocs.org/en/stable/constants/index.html>`_  supplies the values of
 many physical and astronomical constants.
 The easiest way to attach a unit to a number is by multiplication::
 
@@ -374,7 +374,7 @@ to tell astropy that this number is dimensionless and does not carry any scaling
     wavelength = wavelength * (1. * u.dimensionless_unscaled+ heliocentric/c)
 
 I want to mention one more feature here (check out 
-`astropy.units <http://docs.astropy.org/en/v0.2.1/units/index.html>`_ for
+`astropy.units <http://astropy.readthedocs.org/en/stable/units/index.html>`_ for
 more): The ability to convert the spectral axis to frequencies or energies.
 Normally, a unit of length is not equivalent to a unit of energy or to a
 frequency, but this conversion makes sense for the wavelength of a spectrum.
@@ -478,7 +478,7 @@ spectroscopically estimated surface gravity::
 
 Converting times
 ----------------
-`astropy.time <http://docs.astropy.org/en/v0.2.1/time/index.html>`_ 
+`astropy.time <http://astropy.readthedocs.org/en/stable/time/index.html>`_ 
 provides methods to convert times and dates between different
 systems and formats. Since the ESO fits headers already contain the time of the
 observation in different systems, we could just read the keyword in the time
@@ -589,7 +589,7 @@ Using ``numpy`` array notation we can actually process all spectra at once::
 Now, we want to generate a LaTeX table of the observation times, period
 and equivalent width that we can directly paste into our manuscript. To do so,
 we first collect all the columns and make an ``astropy.table.Table`` object. (Please
-check `astropy.table <http://docs.astropy.org/en/v0.2.1/table/index.html>`_
+check `astropy.table <http://astropy.readthedocs.org/en/stable/table/index.html>`_
 or :ref:`tabular-data` for more
 details on ``Table``). So, here is the code::
 

source/astropy/tables.rst

@@ -17,7 +17,7 @@ Documentation
 -------------
 
 For more information about the features presented below, you can read the
-`astropy.table <http://docs.astropy.org/en/v0.2.1/table/index.html>`_ docs.
+`astropy.table <http://astropy.readthedocs.org/en/stable/table/index.html>`_ docs.
 
 
 Constructing and Manipulating tables

source/files/asciifiles.rst

@@ -370,19 +370,19 @@ data at once::
   data[1]
   data['abund']
 
-.. _`astropy.io.ascii.AASTex`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.latex.AASTex.html#astropy.io.ascii.latex.AASTex
-.. _`astropy.io.ascii.Basic`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.basic.Basic.html#astropy.io.ascii.basic.Basic
-.. _`astropy.io.ascii.Cds`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.cds.Cds.html#astropy.io.ascii.cds.Cds
-.. _`astropy.io.ascii.CommentedHeader`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.basic.CommentedHeader.html#astropy.io.ascii.basic.CommentedHeader
-.. _`astropy.io.ascii.Daophot`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.daophot.Daophot.html#astropy.io.ascii.daophot.Daophot
-.. _`astropy.io.ascii.FixedWidth`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.fixedwidth.FixedWidth.html#astropy.io.ascii.fixedwidth.FixedWidth
-.. _`astropy.io.ascii.Ipac`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.ipac.Ipac.html#astropy.io.ascii.ipac.Ipac
-.. _`astropy.io.ascii.Latex`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.latex.Latex.html#astropy.io.ascii.latex.Latex
-.. _`astropy.io.ascii.NoHeader`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.basic.NoHeader.html#astropy.io.ascii.basic.NoHeader
-.. _`astropy.io.ascii.Rdb`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.basic.Rdb.html#astropy.io.ascii.basic.Rdb
-.. _`astropy.io.ascii.SExtractor`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.sextractor.SExtractor.html#astropy.io.ascii.sextractor.SExtractor
-.. _`astropy.io.ascii.Tab`: http://docs.astropy.org/en/v0.2.1/_generated/astropy.io.ascii.basic.Tab.html#astropy.io.ascii.basic.Tab
-.. _`ascii.read()`: http://docs.astropy.org/en/v0.2.1/io/ascii/read.html#parameters-for-read
+.. _`AASTex`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.AASTex.html
+.. _`Basic`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.Basic.html
+.. _`Cds`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.Cds.html
+.. _`CommentedHeader`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.CommentedHeader.html
+.. _`Daophot`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.daophot.Daophot.html
+.. _`FixedWidth`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.FixedWidth.html
+.. _`Ipac`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.Ipac.html
+.. _`Latex`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.Latex.html
+.. _`NoHeader`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.NoHeader.html
+.. _`Rdb`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.Rdb.html
+.. _`SExtractor`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.SExtractor.html
+.. _`Tab`: http://astropy.readthedocs.org/en/stable/api/astropy.io.ascii.Tab.html
+.. _`ascii.read()`: http://astropy.readthedocs.org/en/stable/io/ascii/read.html#parameters-for-read
 
 astropy.io.ascii
 ================
@@ -394,18 +394,18 @@ If also can format your output in LaTeX.
 The `astropy.io.ascii`_ module is an extensible ASCII table reader and writer that is
 designed to handle most formats you will encounter in the wild:
 
-* `astropy.io.ascii.AASTex`_: AASTeX ``deluxetable`` used for AAS journals
-* `astropy.io.ascii.Basic`_: basic table with customizable delimiters and header configurations
-* `astropy.io.ascii.Cds`_: `CDS format table <http://vizier.u-strasbg.fr/doc/catstd.htx>`_ (also Vizier and ApJ machine readable tables)
-* `astropy.io.ascii.CommentedHeader`_: column names given in a line that begins with the comment character
-* `astropy.io.ascii.Daophot`_: table from the IRAF DAOphot package
-* `astropy.io.ascii.FixedWidth`_: table with fixed-width columns (see also `fixed_width_gallery <http://docs.astropy.org/en/v0.2.1/io/ascii/fixed_width_gallery.html#fixed-width-gallery>`_)
-* `astropy.io.ascii.Ipac`_: `IPAC format table <http://irsa.ipac.caltech.edu/applications/DDGEN/Doc/ipac_tbl.html>`_
-* `astropy.io.ascii.Latex`_: LaTeX table with datavalue in the ``tabular`` environment
-* `astropy.io.ascii.NoHeader`_: basic table with no header where columns are auto-named
-* `astropy.io.ascii.Rdb`_: tab-separated values with an extra line after the column definition line
-* `astropy.io.ascii.SExtractor`_: `SExtractor format table <http://www.astromatic.net/software/sextractor>`_
-* `astropy.io.ascii.Tab`_: tab-separated values
+* `AASTex`_: AASTeX ``deluxetable`` used for AAS journals
+* `Basic`_: basic table with customizable delimiters and header configurations
+* `Cds`_: `CDS format table <http://vizier.u-strasbg.fr/doc/catstd.htx>`_ (also Vizier and ApJ machine readable tables)
+* `CommentedHeader`_: column names given in a line that begins with the comment character
+* `Daophot`_: table from the IRAF DAOphot package
+* `FixedWidth`_: table with fixed-width columns (see also `fixed_width_gallery <http://astropy.readthedocs.org/en/stable/io/ascii/fixed_width_gallery.html#fixed-width-gallery>`_)
+* `Ipac`_: `IPAC format table <http://irsa.ipac.caltech.edu/applications/DDGEN/Doc/ipac_tbl.html>`_
+* `Latex`_: LaTeX table with datavalue in the ``tabular`` environment
+* `NoHeader`_: basic table with no header where columns are auto-named
+* `Rdb`_: tab-separated values with an extra line after the column definition line
+* `SExtractor`_: `SExtractor format table <http://www.astromatic.net/software/sextractor>`_
+* `Tab`_: tab-separated values
 
 `astropy.io.ascii`_ is built on a modular and extensible class structure. This makes
 is easy to create new classes, which implement the functionality for some 
@@ -444,7 +444,7 @@ to figure out (or guess):
 
 By default `astropy.io.ascii`_ will try each format it knows and use the first one
 that gives a "reasonable" answer.  The details are in the `Guess table format
-<http://docs.astropy.org/en/v0.2.1/io/ascii/read.html#guess-table-format>`_ section.  
+<http://astropy.readthedocs.org/en/stable/io/ascii/read.html#guess-table-format>`_ section.  
 Sometimes it will fail, e.g.::
 
   table = """
@@ -486,7 +486,7 @@ clue that `astropy.io.ascii`_ is using the wrong column delimiter::
 Writing
 -------
 
-You can write ASCII tables using the `ascii.write() <http://docs.astropy.org/en/v0.2.1/io/ascii/index.html#writing-tables>`_ function. There is a lot of flexibility in the format of the input data to be written:
+You can write ASCII tables using the `ascii.write() <http://astropy.readthedocs.org/en/stable/io/ascii/index.html#writing-tables>`_ function. There is a lot of flexibility in the format of the input data to be written:
 
 - Existing ASCII table with metadata
 - Data from ascii.read()
@@ -573,7 +573,7 @@ rewrite the same code every time when it is already done!).  Instead just use `a
 
    **HINT**: the table has missing values so include ``fill_values=('', '-1')`` in
    the call to `ascii.read()`_.  `astropy.io.ascii`_ has robust functionality to `replace bad or
-   missing values <http://docs.astropy.org/en/v0.2.1/io/ascii/read.html#replace-bad-or-missing-values>`_.
+   missing values <http://astropy.readthedocs.org/en/stable/io/ascii/read.html#replace-bad-or-missing-values>`_.
 
 .. raw:: html