add quick link to Gaia EDR3 catalogue

js/speccy.js

@@ -1276,7 +1276,8 @@ function writePipeInfo(){
 //	var str3 = sprintf("<a href='http://legacysurvey.org/viewer/?ra=%g&dec=%g&zoom=16&layer=ls-dr8&mark=%g,%g' target='_blank' title='View optical imaging for this object on the legacysurvey.org site'>ls-dr8</a>", ra, dec, ra, dec); 
 	var str3 = sprintf("<a href='http://legacysurvey.org/viewer/?ra=%g&dec=%g&zoom=16&layer=ls-dr9&mark=%g,%g' target='_blank' title='View optical imaging for this object on the legacysurvey.org site'>ls-dr9</a>", ra, dec, ra, dec); 
 	var str4 = sprintf("<a href='http://legacysurvey.org/viewer/?ra=%g&dec=%g&zoom=16&layer=unwise-neo6&mark=%g,%g' target='_blank' title='View unWISE imaging for this object on the legacysurvey.org site'>unWISE</a>", ra, dec, ra, dec); 
-	str = str1.concat(" ",str2," ",str3," ",str4); 
+        var str5 = sprintf("<a href='http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ60fed5911f70ac&-out.add=.&-source=I/350/gaiaedr3&-c=%g%20%g,eq=ICRS,rs=2&-out.orig=o' target='_blank' title='Search for nearest Gaia EDR3 catalogue entry to this location'>GaiaEDR3</a>", ra, dec); 
+	str = str1.concat(" ",str2," ",str3," ",str4, " ", str5); 
     } 
     document.getElementById("pipeParams_links").innerHTML = str;