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dc.contributor.authorSkottfelt, J.
dc.contributor.authorBramich, D.
dc.contributor.authorFiguera Jaimes, R.
dc.contributor.authorJorgensen, U.
dc.contributor.authorKains, N.
dc.contributor.authorHarpsoe, K.
dc.contributor.authorLiebig, C.
dc.contributor.authorPenny, M.
dc.contributor.authorAlsubai, K.
dc.contributor.authorAndersen, J.
dc.contributor.authorBozza, V.
dc.contributor.authorBrowne, P.
dc.contributor.authorCalchi Novati, S.
dc.contributor.authorDamerdji, Y.
dc.contributor.authorDiehl, C.
dc.contributor.authorDominik, M.
dc.contributor.authorElyiv, A.
dc.contributor.authorGiannini, E.
dc.contributor.authorHessman, F.
dc.contributor.authorHinse, T.
dc.contributor.authorHundertmark, M.
dc.contributor.authorJuncher, D.
dc.contributor.authorKerins, E.
dc.contributor.authorKorhonen, H.
dc.contributor.authorMancini, L.
dc.contributor.authorMartin, R.
dc.contributor.authorRabus, M.
dc.contributor.authorRahvar, S.
dc.contributor.authorScarpetta, G.
dc.contributor.authorSouthworth, J.
dc.contributor.authorSnodgrass, C.
dc.contributor.authorStreet, R.
dc.contributor.authorSurdej, J.
dc.contributor.authorTregloan-Reed, J.
dc.contributor.authorVilela, C.
dc.contributor.authorWilliams, Andrew
dc.date.accessioned2017-01-30T13:14:29Z
dc.date.available2017-01-30T13:14:29Z
dc.date.created2014-11-19T01:13:48Z
dc.date.issued2013
dc.identifier.citationSkottfelt, J. and Bramich, D. and Figuera Jaimes, R. and Jorgensen, U. and Kains, N. and Harpsoe, K. and Liebig, C. et al. 2013. EMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981. Astronomy and Astrophysics. 553: pp. 1-4.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/29681
dc.description.abstract

Two previously unknown variable stars in the crowded central region of the globular cluster NGC 6981 are presented. The observations were made using the electron multiplying CCD (EMCCD) camera at the Danish 1.54 m Telescope at La Silla, Chile. The two variables were not previously detected by conventional CCD imaging because of their proximity to a bright star. This discovery demonstrates that EMCCDs are a powerful tool for performing high-precision time-series photometry in crowded fields and near bright stars, especially when combined with difference image analysis.

dc.publisherEDP Sciences
dc.relation.urihttp://www.aanda.org/articles/aa/abs/2013/05/aa21430-13/aa21430-13.html
dc.subjectglobular clusters
dc.subjectindividual
dc.subjecthigh angular resolution – - stars
dc.subjectNGC 6981 – stars
dc.subjectRR Lyrae – instrumentation
dc.subjectgeneral
dc.subjectvariables
dc.titleEMCCD photometry reveals two new variable stars in the crowded central region of the globular cluster NGC 6981
dc.typeJournal Article
dcterms.source.volume553
dcterms.source.startPage1
dcterms.source.endPage4
dcterms.source.issn0004-6361
dcterms.source.titleAstronomy and Astrophysics
curtin.accessStatusFulltext not available


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