Can Jupiters be found by monitoring Galactic bulge microlensing events from northern sites?

Y Tsapras, R A Street, K Horne, A Penny, F Clarke, H Deeg, F Garzon, S Kemp, M R Zapatero Osorio, A O Abad, S M Sanchez, C Eiroa, A Mora, A Alberdi, A Cameron, J K Davies, R Ferlet, C Grady, A W Harris, J PalaciosA Quirrenbach, H Rauer, J Schneider, D de Winter, B Merin, E Solano

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

In 1998 the EXPORT team monitored microlensing event light curves using a charge-coupled device (CCD) camera on the IAC 0.8-m telescope on Tenerife to evaluate the prospect of using northern telescopes to find microlens anomalies that reveal planets orbiting the lens stars. The high airmass and more limited time available for observations of Galactic bulge sources make a northern site less favourable for microlensing planet searches. However, there are potentially a large number of northern 1-m class telescopes that could devote a few hours per night to monitor ongoing microlensing events. Our IAC observations indicate that accuracies sufficient to detect planets can be achieved despite the higher airmass.

Original languageEnglish
Pages (from-to)1205-1212
Number of pages8
JournalMonthly Notices of the Royal Astronomical Society
Volume325
Issue number3
DOIs
Publication statusPublished - 11 Aug 2001

Keywords

  • gravitational lensing
  • techniques : photometric
  • planetary systems

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