Changes between Initial Version and Version 1 of USNO-B_in_DVO

Timestamp:

Feb 24, 2009, 4:23:58 PM (18 years ago)

Author:

trac

Comment:

--

USNO-B_in_DVO

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+acelricmon
+<p> The program <tt>addstar</tt> may be used to build a DVO-style
+database from the USNO-B raw catalog, or several other reference
+catalogs in known formats.  In order for <tt>addstar</tt> to find your
+copy of the USNO-B database, you must set the configuration variable
+<tt>USNO_B_DIR</tt>.  This is found in your <tt>~/.ptolemyrc</tt> file, or
+you may set it on the command line with the flags <tt>-D USNO_B_DIR
+(your path)</tt>.  The USNO-B data will be loaded into the DVO
+database defined by your <tt>CATDIR</tt> configuration variable (also
+in <tt>~/.ptolemyrc</tt>, or override with <tt>-D CATDIR
+(output)</tt>).  The data is actually loaded in two passes: one for
+blue and one for red.  Use the following example commands: </p>
+
+<tt> addstar -D CATDIR catdir.usno.test -D USNO_B_DIR
+/data/alala.0/elixir/srcdir/refs/usnob -cat USNOB -photcode USNO_RED
+-region 0 1 0 1</tt>[[BR]]
+
+<tt> addstar -D CATDIR catdir.usno.test -D USNO_B_DIR
+/data/alala.0/elixir/srcdir/refs/usnob -cat USNOB -photcode USNO_BLUE
+-region 0 1 0 1</tt>[[BR]]
+
+<p> The <tt>-region</tt> option tells addstar to limit the ingest to
+the specified region on the sky.  The syntax is <tt>-region RAstart
+RAend DECstart DECend</tt>, where the RA and DEC values are in decimal
+degrees.  The default range is the entire sky, which may take some
+time (1-2 hours?) to complete.</p>