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Database query used
https://cats.oas.inaf.it/list (or catslist | catalogues | catalogs | basecats)
https://cats.oas.inaf.it/catalogue_name/?n_objects (or n_objs)
https://cats.oas.inaf.it/catalogue_name/region_coords_and_size?n_objects
https://cats.oas.inaf.it/catalogue_name/radius=X&ra=Y&dec=Z
Note: add &conv_fldnames if you want to convert of the table field names to standard names (when they are available in the metadata table).https://cats.oas.inaf.it/panssdr1_mini/?n_objects&json
{"status":0, "errmsg":"", "qry":"SELECT count(*) as n_objs FROM panss_mini", "n_objs_found":1919106885, "n_objs":1919106885, "db":"TOCatsweb", "catname": "panss_mini", "catview":"panss_mini_healp_nest_10", "is_hips":false, "order_cat":10}
https://cats.oas.inaf.it/gaiadr3_hips9/radius=0.5&ra=253.645&dec=-42.362?n_objects
https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.645&dec=-42.362?n_objects
https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.645&dec=-42.362?maxobjs=100
https://cats.oas.inaf.it/skymapperdr1_hips3/radius=100&ra=238.976&dec=-48.952?maxobjs=1000
or (better for use in a script - note the use of the -d option!)curl -o mycat.vot 'https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100'
curl -H "Accept: application/json" -H "Content-Type: application/json" \ -o mycat.json \ -X GET "https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&json"
curl -G https://cats.oas.inaf.it/gaiadr3/ \
-o mycat.vot \
-d radius=0.1 -d ra=253.816 -d dec=-42.192 -d limit=100
#!/usr/bin/env python
# Python 2 using "urllib"
#
import urllib, json
url = "https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&json"
response = urllib.urlopen(url)
output = json.loads(response.read())
print output
#!/usr/bin/env python
# Python 3 using "urllib"
#
from urllib.request import urlopen
url = "https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&json"
response = urlopen(url)
print(response.read())
#!/usr/bin/env python
# Python 3 using "requests"
#
import requests
url = "https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&json"
response = requests.get(url)
print(response.json())
# HTML output
#
url = "https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&html"
response = requests.get(url)
print(response.text)
# Eventually first run `import Pkg; Pkg.add("HTTP")`
using HTTP
r = HTTP.get("https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&json")
println(String(r.body))
echo file_get_contents("https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&json");
2. Same request but using cURL functions
#!/usr/bin/env php
<?php
$ch = curl_init();
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_URL,
'https://cats.oas.inaf.it/gaiadr3/radius=0.1&ra=253.816&dec=-42.192&limit=100&json'
);
$json = curl_exec( $ch );
echo $json;
curl_close( $ch );
?>
3. cURL programmatic, returning VOTable (default)
#!/usr/bin/env php
<?php
$url = 'https://cats.oas.inaf.it';
$cat = 'gaiadr3';
$qry = http_build_query(array(
'radius' => '0.1',
'ra' => '253.816',
'dec' => '-42.192',
'limit' => '100'
));
$ch = curl_init();
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_URL, "$url/$cat/$qry" );
$vot = curl_exec( $ch );
echo $vot;
curl_close( $ch );
?>