Journal Club

The Planet’s team has regular Journal Clubs. Everyone is very welcome to join!
Here you can find information regarding the papers to be discussed in the next sessions, as well as the works already presented.

When: Every two weeks – Monday’s just following the Planet’s Team Meetings ~14h30
Duration: ≤ 30 min
Connection: Zoom link – Planet’s team meetings

Next Speakers:
(Volunteers always welcome, if you find a cool paper feel free to come present !! No specific order, can change upon requests).

Date Speakers Topic
July 22nd Vardan Adibekyan;
Olivier Demangeon;
A low-eccentricity migration pathway for a 13-h-period Earth analogue in a four-planet system
Spatially-resolving the terminator: Variation of Fe, temperature and winds in WASP-76 b across planetary limbs and orbital phase;

Available speakers: Abderahmane Soubkiou; João Faria; Nuno Peixinho; Olivier Demangeon; Pedro Machado; Pedro Pina; Pedro P. T. Viana; Sérgio G. Sousa; Susana C. C. Barros;

↓ Previous presentations (2021/2022)
Date Speaker Topic
July 7th André Silva Applications of a Gaussian process framework for modelling of high-resolution exoplanet spectra
June 23rd Pedro Viana An Integrative Analysis of the Rich Planetary System of the Nearby Star e Eridani: Ideal Targets for Exoplanet Imaging and Biosignature Searches
May 27th Daniela C. Espadinha Transfer of Rocks between Planetary Systems: Panspermia Revisited
May 13th Elisa Delgado-Mena Detailed chemical compositions of planet-hosting stars
April 29th Bárbara M. T. B. Soares;
João Gomes da Silva;
Chemical equilibrium between Cores, Mantles, and Atmospheres of Super-Earths and Sub-Neptunes, and Implications for their Compositions, Interiors and Evolution
Into the Depths: a new activity metric for high-precision radial velocity measurements based on line depth variations
February 14th Discussion of the GPRV conference
March 18th Francisco Brasil;
Jorge Humberto;
Hidden water in magma ocean exoplanets
Black Mirror: The impact of rotational broadening on the search for reflected light from 51 Pegasi b with high resolution spectroscopy
February 14th Nuno Santos “FIERCE” (ERC project) and some related papers (Rackham+2018 and Haywood+2020)
January 10th Nuno Rosário;
José Ribeiro;
Ana Rita
Hidden water in magma ocean exoplanets
Longitudinal variations in the stratosphere of Uranus from the Spitzer infrared spectrometer
Five carbon- and nitrogen-bearing species in a hot giant planet’s atmosphere
December 6th José Silva Ice Giant Systems: The Scientific Potential of Orbital Missions to Uranus and Neptune
November 22nd André Miguel A. C. V. Silva New Periodograms Separating Orbital Radial Velocities and Spectral Shape Variation
November 8th Diogo Quirino Day-night cloud asymmetry prevents early oceans on Venus but not on Earth
October 11st Eduardo A. S. Cristo No umbrella needed: Confronting the hypothesis of iron rain on WASP-76b with post-processed general circulation models
September 27th Tomás Silva A Heavy Molecular Weight Atmosphere for the Super-Earth π Men c


Guest speaker nominees:

  • Lalitha Sairam: Circumbinaries.
  • Romain Allart: Telluric correction; Transmission spectroscopy.


↓ Previous presentations (2020/2021)
Date Speaker Topic
July 7th José Rodrigues TOI-942b: A Prograde Neptune in a ∼60 Myr old Multi-transiting System
June 7th Tomás Silva Assessing telluric correction methods for Na detections with
high-resolution exoplanet transmission spectroscopy
May 24th Pedro Machado Venus Atmospheric Dynamics at Two Altitudes: Akatsuki and Venus Express Cloud Tracking, Ground-Based Doppler Observations and Comparison with Modelling
May 10th Susana C. C. Barros A Fast, 2D Gaussian Process Method Based on Celerite: Applications to Transiting Exoplanet Discovery and Characterization
April 26th Sérgio A. G. Sousa Searching for Extragalactic Exoplanetary Systems: the Curious Case of BD+20 2457
April 12th Gabriella Gilli Claimed Detection of PH3 in the Clouds of Venus is consistent with mesospheric SO2
March 29th Olivier D. S. Demangeon Analytic Light Curves in Reflected Light: Phase Curves, Occultations, and Non-Lambertian Scattering for Spherical Planets and Moons
March 15th Elisa Delgado Mena Europium as a lodestar: diagnosis of radiogenic heat production in terrestrial exoplanets
March 1st Vardan Zh. Adibekyan Bridging the Planet Radius Valley: Stellar Clustering as a Key Driver for Turning Sub-Neptunes into Super-Earths
February 15th Jorge H. C. Martins The GAPS Programme at TNG. XXIX. No detection of reflected light from 51 Peg b using optical high-resolution spectroscopy
February 1st João N. T. Gomes da Silva Auto-correlation functions of astrophysical processes, and their relation to Gaussian processes. Application to radial velocities of different starspot configurations
January 18th Babatunde Akinsanmi The Exomoon Corridor: Half of all exomoons exhibit TTV frequencies within a narrow window due to aliasing
January 7th Alexandros Antoniadis Karnavas Formation of multiple-planet systems in resonant chains around M dwarfs
December 17th André Miguel A. C. V. Silva A public HARPS radial velocity database corrected for systematic errors
December 2nd Saeed Hojjatpanah The Probability that a Rocky Planet’s Composition Reflects its Host Star
November 17th João P. Faria Separating planetary reflex Doppler shift from stellar variability in the wavelength domain & Identifying Exoplanets with Deep Learning. IV. Removing Stellar Activity Signals from Radial Velocity Measurements Using Neural Networks
November 3rd João D. R. Camacho EXPRES. II. Searching for Planets Around Active Stars: A Case Study of HD 101501
October 19th L. Filipe Pereira Exoplanet Validation with Machine Learning: 50 new validated Kepler planets
October 6th José E. O. Silva A Long-lived Sharp Disruption on the Lower Clouds of Venus
September 22nd Eduardo A. S. Cristo Forward modelling and retrievals with PLATON, a fast open source tool & PLATON II: New Capabilities And A Comprehensive Retrieval on HD 189733b Transit and Eclipse Data
September 7th Tomás A. Silva Detection of Na in WASP-21b’s lower and upper atmosphere