Oasis Link Example:

Image file:

   http://irsa.ipac.caltech.edu/applications/Oasis/link.fits


NED Basic Data Request:

   http://irsa.ipac.caltech.edu/cgi-bin/NEDBasic/nph-nearposn

   oasisImCenter = 202.521247 47.113273 Equatorial J2000
   oasisImRadius = 0.159009


   =>  http://irsa.ipac.caltech.edu/cgi-bin/NEDBasic/nph-nearposn?
       oasisImCenter=202.521247+47.113273+Equatorial+J2000&oasisImRadius=0.159009


2MASS Request:

   http://irsa.ipac.caltech.edu/cgi-bin/Oasis/CatSearch/nph-catsearch

   server   = @rmt_gravel
   database = ntmass
   catalog  = pt_src_cat_01
   sql      = select ra, dec, j_m, h_m, k_m from pt_src_cat_01;
   within   = 0.159009 degrees
   objstr   = 202.521247 47.113273 Equatorial J2000


   =>  http://irsa.ipac.caltech.edu/cgi-bin/Oasis/CatSearch/nph-catsearch?
       server=%40rmt_gravel&database=ntmass&catalog=pt_src_cat_01&sql=select
       +ra%2C+dec%2C+j_m%2C+h_m%2C+k_m+from+pt_src_cat_01&within=0.16+degrees&
       objstr=202.521247+47.113273+Equatorial+J2000


These three references have to be URL encoded and used as arguments to

   http://irsa.ipac.caltech.edu/cgi-bin/OasisLink/nph-oasislink

   ref0 = (URL encoded image reference)
   ref1 = (URL encoded NED search link)
   ref2 = (URL encoded IRSA catalog search link)


   =>  http://irsa.ipac.caltech.edu/cgi-bin/OasisLink/nph-oasislink?
       ref0=http:%2F%2Firsa.ipac.caltech.edu%2Fapplications%2FOasis%2Flink.fits&
       ref1=http:%2F%2Firsa.ipac.caltech.edu%2Fcgi-bin%2FNEDBasic%2Fnph-nearposn%3F
       oasisImCenter%3D202.521247%2B47.113273%2BEquatorial%2BJ2000%26oasisImRadius%3D0.159009&
       ref2=http:%2F%2Firsa.ipac.caltech.edu%2Fcgi-bin%2FOasis%2FCatSearch%2Fnph-catsearch%3F
       server%3D%2540rmt_gravel%26database%3Dntmass%26catalog%3Dpt_src_cat_01%26
       sql%3Dselect%2Bra%252C%2Bdec%252C%2Bj_m%252C%2Bh_m%252C%2Bk_m%2B
       from%2Bpt_src_cat_01%26within%3D0.16%2Bdegrees%26
       objstr%3D202.521247%2B47.113273%2BEquatorial%2BJ2000