spacer link to MAST page spacer logo image spacer
 
link to STScI page


Service Outage

On Saturday, July 27, from 11:00 to 21:00 UTC (7 am to 5 pm US Eastern Time), all MAST services will be unavailable due to maintenance.

Sample IDL Procedure

  1. Search HST archive for given RA, Dec and radius. Output requested columns as comma-separated values.


    ;*********************************************************
    ; test_webget.pro
    ; retrieves specified url using webget function from
    ; Astron library
    ; (dum is a dummy parameter)
    ;
    ;*********************************************************
    pro test_webget,dum

    ;
    ; search for HST data at given RA, Dec & radius,
    ; max_records=10, output is comma separated variables, 
    ; & only return requested columns.
    ;
    url = "http://archive.stsci.edu/hst/search.php?"
    url = url + "RA=53.084&DEC=-27.873&radius=1.0&max_records=10&";
    url = url + "outputformat=CSV&action=Search"; 
    url = url + "&selectedColumnsCsv=sci_data_set_name,sci_ra,sci_dec,sci_targname";

    print,' '
    print,"url = "+url
    print,' '

    ;
    ; webget retruends an IDL structure
    ; with data in a.TEXT
    ; (assumes Astron library is in IDL search path)
    ;
    a = webget(url)
    ; print,a.HEADER
    print,a.Text
    ;
    return
    end