Results 11 to 20 of about 42,547 (217)
Using Search Engine Technology to Improve Library Catalogs [PDF]
This chapter outlines how search engine technology can be used in online public access library catalogs (OPACs) to help improve users’ experiences, to identify users’ intentions, and to indicate how it can be applied in the library context, along with ...
Lewandowski, Dirk, Dirk Lewandowski
core +1 more source
20cm VLA radio-continuum study of M31: Images and point source catalogues [PDF]
We present a series of new high-sensitivity and high-resolution radio-continuum images of M31 at λ=20 cm (ν=1.4 GHz). These new images were produced by merging archived 20 cm radio-continuum observations from the Very Large Array (VLA) telescope.
Galvin T.J. +5 more
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Les problemes de reduction systematique des catalogues d'etoiles, afin de creer un systeme positionnel uniforme et un systeme de mouvement propre standard, sont analyses.
L. G. Taff +2 more
openaire +1 more source
Artificial Star Test for Crowded Field CCD Photometry
A new method of performing an artificial star test (AST) for crowded field stellar CCD photometry is proposed. This AST method is superior in the cases when it is necessary to account for varying photometric quality across the study field, arising due to
Stonkutė R., Vansevičius V.
doaj +1 more source
RESULTS OF PROCESSING OF ASTRONEGATIVES WITH COMMERCIAL SCANNER
Astrometric errors depending on the method of scanning with different spatial resolutions were studied with commercial scanner such as Epson Perfection V750 Pro.
Yu. I. Protsyuk +3 more
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The paper discusses and illustrates the steps of basic processing of digitized image of astro negatives. Software for obtaining of a rectangular coordinates and photometric values of objects on photographic plates was created in the environment ...
Yu. I. Protsyuk +2 more
doaj +1 more source
Resource Discovery: Catalogs, Cataloging, and the User [PDF]
This article considers resource discovery from the viewpoint of visually impaired people. Starting with the tasks of find, identify, select, and obtain, it examines how catalogs can be enhanced to assist visually impaired users. It then looks at the inclusion of specific data within catalog records and how they help the user.
openaire +1 more source
Consolidation of the Gaia catalogue with Chinese Space Station Telescope astrometry
The issue of preservation and improvement of the Gaia catalogue throughout the next few decades is addressed. The goal of this study is to evaluate the feasibility of astrometric parameter update, for objects already in the catalogue, by inclusion of new
M. Gai +6 more
doaj +1 more source
Making Siberian Turkic Printed Collections Visible
In the age of big data, small collections are often overlooked. Too numerically few to cause waves, the issues and problems that affect them are rarely addressed by cataloguing institutions. In the present paper, the author focuses on one such collection
M. J. Erdman
doaj +1 more source
Chandra Observations of the X-Ray Binary Population in the Field of the Dwarf Galaxy IC 10
IC 10 is a dwarf galaxy in Cassiopeia, located at a distance of 660 kpc, and hosts a young stellar population, a large number of Wolf–Rayet stars, and a large number of massive stars in general.
Sayantan Bhattacharya +3 more
doaj +1 more source

