The optical gravitational lensing experiment. OGLE-III long term monitoring of the gravitational lens QSO 2237+0305

被引：0

作者：

Udalski, A. ^{[1
]}

Szymanski, M. K. ^{[1
]}

Kubiak, M. ^{[1
]}

Pietrzynski, G. ^{[1
]}

Soszynski, I. ^{[1
]}

Zebrun, K. ^{[1
]}

Szewczyk, O. ^{[1
]}

Wyrzykowski, L. ^{[1
]}

Ulaczyk, K. ^{[1
]}

Wieckowski, T. ^{[1
]}

机构：

[1] Univ Warsaw Observ, PL-00478 Warsaw, Poland

来源：

ACTA ASTRONOMICA | 2006年 / 56卷 / 04期

关键词：

gravitational lensing; quasars : individual : QSO 2237+0305;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present results of the long term monitoring of the gravitational lens QSO 2237+0305 conducted during the OGLE survey. Light curves of all four components of the lens obtained during the second phase of the OGLE project (OGLE-II; 1997-2000) are supplemented with the data collected in the OGLE-III phase in the observing seasons 2001-2006. Calibration procedures to tie the new OGLE-III data with already calibrated OGLE-II light curves are described. The resulting homogeneous OGLE data set is the most extensive photometric coverage of the gravitational lens QSO 2237+0305, spanning now one decade - the seasons from 1997 to 2006 - and revealing unique microlensing activity of this spectacular object. All photometric data of the gravitational lens QSO 2237+0305 collected by OGLE are available to the astronomical community from the OGLE INTERNET archive.

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页码：293 / 305

页数：13

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