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Observed velocity variation of OGLE-TR-3

This chart displays the velocity variation of the star OGLE-TR-3, as measured from ten VLT-UVES spectra (each with 1-hour exposure time) and plotted according to the "photometric phase". This means that the planetary transit occurs at phase 0 (left) and again at phase 1 (right). The observed variation is in agreement with the expected one. The fully drawn curve represents the best fit to the observations (velocity variation about 120 m/s) — the mass of the planet is derived from this.

Credit:

ESO

About the Image

Id:eso0311d
Type:Chart
Release date:22 April 2003
Related releases:eso0311
Size:2750 x 2045 px

About the Object

Name:OGLE-TR-3
Type:Milky Way : Star : Circumstellar Material : Planetary System
Category:Exoplanets
Illustrations

Image Formats

Large JPEG
55.9 KB
Screensize JPEG
60.9 KB