How Accessible Are Extragalactic And Radio Data From Journal Tables?

Details How Accessible Are Extragalactic And Radio Data From Journal Tables? How Accessible Are Extragalactic And Radio Data From Journal Tables?

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iauss...6e...7a&link_type=abstract

Astronomical Data Management, 26th meeting of the IAU, Special Session 6, 22 August, 2006 in Prague, Czech Republic, SPS6, #7

Computer Science

Databases

1

Scientific paper

The current situation of public accessibility of tabular data contained in publications is reviewed, including access from sources like astronomical data centers, preprint servers, and electronic journals. I find that despite the enormous increase, during the last decade, of data stored at the data center (s), the current coverage of articles with tabular data on at least 100 objects is near 50 per cent only, albeit with a (not too strong) trend for better coverage of larger tabular data sets. In parallel to the collection at the established data centers, and partly as a necessity for my own research, I have collected since 1989 the tabular data from over 2100 publications, half of these concerned with radio observations, the other half with extragalactic objects in general. Tables from about 460 publications were recovered by myself by means of optical character recognition (OCR). Tables from only about half of the 2100 articles are available from either the CDS or CATS (cats.sao.ru) catalogue collections. Based on my active exploitation of electronic tabular data I conclude that both, object databases like NED and SIMBAD, as well as catalogue browsers like Vizier and CATS, complement each other, and that further human resources are required to achieve a better coverage of published extragalactic dataaccessible from the internet, e.g. as an important part of the Virtual Observatory project.

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