Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cophc.142...22h&link_type=abstract
Computer Physics Communications, Volume 142, Issue 1-3, p. 22-28.
Physics
Scientific paper
In order to detect massive compact halo objects (MACHOs) using microlensing, nightly images of the Large and Small Magellanic Clouds and the Galactic Bulge were taken between 1992 and 2000 with a 1.27 meter telescope. The resulting data contains 8.1010 photometric measurements of star light intensity magnitudes in the red and blue bands for 60 million stars. It has been suggested that the wealth of data may be used to discover new types of variable stars. We briefly outline some methods which may assist the astronomer in classifying variable stars which occur in the MACHO data. First, the almost periodic behavior of many long-period variable stars is used to obtain estimates of the magnitudes on a regular grid and also in regions of missing values. Then some simple features are suggested which characterize the star time series. A classifier based on additive models using these features has been implemented and is part of a tool which can be used in the search for new time series classes.
Clarke William
Hegland Markus
Kahn Margaret
No associations
LandOfFree
Mining the MACHO dataset does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Mining the MACHO dataset, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mining the MACHO dataset will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1102928