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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.
Créditos:ESO
Sobre a imagem
Id: | eso0311d |
Tipo: | Mapa |
Data de divulgação: | 22 de Abril de 2003 |
Notícias relacionadas: | eso0311 |
Tamanho: | 2750 x 2045 px |
Sobre o objeto
Nome: | OGLE-TR-3 |
Tipo: | Milky Way : Star : Circumstellar Material : Planetary System |
Categoria: | Exoplanets Illustrations |