1 / 7

Our Research Group on Globular Clusters

Our Research Group on Globular Clusters. Giampaolo Piotto, Dipartimento di Astronomia, Universita’ di Padova Responsible of the MODEST WG9 (Observations). Post Docs: Luigi Rolly Bedin, Yazan Momany, Ramakant Singh Yadav, (Alejandra Recio-Blanco)

yeva
Download Presentation

Our Research Group on Globular Clusters

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Our Research Group on Globular Clusters Giampaolo Piotto, Dipartimento di Astronomia, Universita’ di Padova Responsible of the MODEST WG9 (Observations) Post Docs: Luigi Rolly Bedin, Yazan Momany, Ramakant Singh Yadav, (Alejandra Recio-Blanco) PhD Students: Francesca De Angeli, Marco Montalto Sandro Villanova Undergraduate Students: Fabrizio De Marchi, Antonino Milone Other collaborators:Ivan R. King, Jay Anderson

  2. Ongoing Research Projects (I): • Stellar Population in Globular Clusters • Main Sequence Stars • Mass Functions to the Hydrogen Burning Limit (HBL) • Radius-Luminosity Relations down to the HBL • Initial Mass Functions • Blue Stragglers • Horizontal Branch Stars • Rotation • Abundance Anomalies • HB morphology • Second Parameter • White Dwarfs • Globular Cluster Ages • Relative ages • Absolute ages

  3. Ongoing Research Projects (II): • Dynamics of Globular Clusters • Absolute Motions • Internal Dynamics • Mass segregation • Proper motions • Radial Velocities • Models (see F.D.A.) • Distances • Omega Centauri • Search of Exoplanets in Open Clusters

  4. Search of Planets in Open Clusters We employ the photometric transit technique Two ongoing, multisite surveys on NGC 6791 (CFH, San Pedro Martir, Loiano NGC 6253 (AAT, ESO)

  5. NGC 6791 Ten consecutive and simultaneous nights in July 2002 Test of the software A few candidates identifies Followup spectroscopic observations ongoing at the TNG in order to confirm the planetary nature of the transit

  6. NGC 6253 Ten nights of simultaneous observations (June 2004) atESO using (WFI@2.2m) and the WFI at the 3.9m AngloAustralian Telescope for a continuous coverage of 19 hous/day WFI@3.9m…broken 10 days before starting the observations (substituted by IRIS, for imaging in NIR) Actual Observations: 70% at WFI@2.2m 27% at WFI@3.9m (!!!) ….Observers life…..

  7. Only one transit Expected Transit detection efficency Two consecutive transits Actual Transit detection Efficency, after observing time loss

More Related