cross-matched
'/Users/dzliu/Work/AlmaCosmos/Catalogs/Large_Survey_xCOLD_GASS/xCOLDGASS_PubCat.fits'
to
'/Users/dzliu/Work/AlmaCosmos/Catalogs/Large_Survey_xCOLD_GASS/Online_Data_xGASS/xGASS_detections.fits'
by exact value of "GASS" 

found 219 sources.


