cdsclient 1.1.9

CDS VizieR client (query large table)

CDS Python package to query large catalogues

Note: API import changed in the last version - see example below

License : BSD License

Installation :

git clone https://github.com/cds-astro/cds.cdsclient.git
cd cds.cdsclient
pip install .

vizquery.py : the vizquery package query all VizieR catalogues using ASU parameters metadata retrieving: get columns/table information and list large tables

Examples :

• list big catalogues : vizquery.py -l
• get columns information for 2mass (=II/246) : vizquery.py -source=II/246 -i
• query GAIA (I/337/gaia) arroud M1 (10arcsec) : vizquery.py -source=I/337/gaia -c=M1 -c.rs=10
• get hipparcos (HIP=A) in votable : vizquery.py -source=I/239/hip_main -mime=votable -out.max=50 "HIP=1"

Using dedicated script: find_...py

• query 2mass arround M1: find_2mass.py M1
• query sdss12 arround '217.488910+36.086880': find_sdss-dr12.py "217.488910+36.086880"
• query gaia by offset (allows to get the whole table by parts) : find_gaia_edr3.py --offset 0..1000
• query 2mass with jamg constraint: find_2mass.py --jmag="<11" You can also query with constraints see --help
• query sdss using identifier: find_sdss-dr12.py --objID=1237662225689281592 --mime=tsv

API Example:

import cdsclient.find_sdss9 as sdss
process = sdss.QueryCatVizieR()
process.position = "217.091350+35.985222"
process.radius = 120
process.query_cat(limit=10)
data = process.get()
print (data)