M. R. Zapatero Osorio (CAB, CSIC-INTA) on behalf of the ESPRESSO consortium

ESPRESSO

PIs Francesco A. Pepe Rafael ReboloStefano CristianiNuno Santos

Co-Is Christophe LovisStéphane UdryYann AlibertFrancois BouchyDavid Ehrenreich

María Rosa Zapatero OsorioJonay González HernándezCarlos AllendeRicardo Génova SantosAlejandro Suárez Mascareño

Alessandro SozzettiEnnio PorettiGiusi MicelaPaolo Di MarcantonioPaolo MoraroValentina D´Odorico

Pedro FigueiraSérgio SousaCarlos MartinsNelson NunesVardan Adibekyan

ESO Gaspare Lo CurtoAndrea Mehner

Collaborators Xavier DumusqueDamien SegransanRomain Allart

Enric Pallé

Susana BarrosJoao FariaOlivier Demangeon

Michael MurphyFrancesco BorsaMario Damasso

ESPRESSO

Outline

Overview of commissioning dataA few very preliminary results

ESPRESSOEchelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations

V = 7.65

V = 3.56

HARPS data, Brown et al. (2017)

ESPRESSO

ESPRESSO GTO programs

• Planets• Blind RV search around GKM stars (typically V < 12 mag).• Follow-up of K2 and TESS candidates (Earth- and super-Earth sized planets).• Atmospheres:

• Transit spectroscopy.• Albedo.

• Fundamental constants of Physics.

• “Other science”:• Multiplicity of very low-mass stars.• Astroseismology• …

Ca II Na I Li I ?Mg I K IMg I Ha?

and Fe I, Mn I (?)

Example of planet atmosphere extraction: hot giant planet

H. Tabernero

Na I

Example of planet atmosphere extraction: hot giant planet

N. Casasayas, E. Pallé

Example of planet atmosphere extraction: hot giant planet

Ca II HCa II K Mg I

Example of planet atmosphere extraction: hot giant planet

Li I Mg I

Example of planet atmosphere extraction: hot giant planet

Na I Fe I

Use ESPRESSO …

Thank you!