Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-27T00:48:35.687Z Has data issue: false hasContentIssue false
  • English
  • Français

Quasar Spectroscopy with FLAIR

Published online by Cambridge University Press:  12 April 2016

Quentin A. Parker ,
R.G. Clowes  and
F.G. Watson
Quentin A. Parker
Affiliation:
Anglo-Australian Observatory, Coonabarabran, NSW 2357, Australia
R.G. Clowes
Affiliation:
University of Central Lancashire, Preston, England
F.G. Watson
Affiliation:
Royal Greenwich Observatory, Cambridge, England

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We demonstrate that the multi-object fibre-spectroscopy system ‘FLAIR’ on the UKST can be used to observe efficiently and effectively the brighter (B < 18.5) high-grade quasar candidates identified from UKST low-dispersion objective-prism plates. The quasar candidates were selected objectively by the application of AQD (automatic quasar detection) to prism plates that have been digitised using the COSMOS measuring machine. Thirteen high-grade quasar candidates with B ≤ 18.5 from a prism plate of ESO/SERC survey field 296 were observed with a 35-fibre version of FLAIR. From a total observing time of only 3 hours at a resolution of 8.4 Å/pixel six candidates were confirmed as quasars and four were identified as stars. The planned upgrade to a thinned, back-illuminated CCD in 1994 should yield a 3-fold increase in sensitivity and further enhance the capabilities of FLAIR for performing useful spectroscopic observations of quasars of moderate faintness over large areas of sky.

Type
XII. Cosmology
Information
International Astronomical Union Colloquium , Volume 148: The Future Utilisation of Schmidt Telescopes , 1995 , pp. 497 - 502
Copyright
Copyright © Astronomical Society of the Pacific 1995

References

Alcaino, G. & Liller, W., 1984, AJ, 89, 814 Google Scholar
Clowes, R.G., Cooke, J.A. & Beard, S.M., 1984, MNRAS, 207, 99 Google Scholar
Clowes, R.G., 1986, Mitt. Astron. Ges., 67, 174 Google Scholar
Clowes, R.G. & Campusano, L.E., 1991, MNRAS, 249, 218 Google Scholar
Goldschmidt, P., Miller, L., La Franca, F. & Cristiani, S., 1992, MNRAS, 256, 65pCrossRefGoogle Scholar
MacGillivray, H.T. & Stobie, R.S., 1984, Vistas in Astr., 27, 433 Google Scholar
Oates, A.P., 1990, Proc. SPIE Conf., 1235, 272 Google Scholar
Parker, Q.A. & Watson, F.G., 1990, A&AS, 84, 455 Google Scholar
Walker, A., 1988, PASP, 100, 949 Google Scholar
Watson, F.G., 1988, ASP Conf. Ser 3, p.125 Google Scholar
Watson, F.G., Gray, P.M., Oates, A.P., Lankshear, A. & Dean, R.G., 1993, ASP Conf. Ser 37, p.171 Google Scholar