Exoplanets and Astrobiology

    General
    Description

    The search for life in the universe has been driven by recent discoveries of planets around other stars (known as exoplanets), becoming one of the most active fields in modern astrophysics. The growing number of new exoplanets discovered in recent years and the recent advance on the study of their atmospheres are not only providing new valuable information about its physical properties, but also allowing to constrain the properties of the Solar system's planets within a more global context. The field is approaching to the important discovery of the first potentially habitable planets and encouraging more detailed studies of them. With the launching of upcoming related satellites like JWST, CHEOPS, TESS, ARIEL and PLATO, the exoplanets field faces a bright future.

    It is for this reason that this field is aid of, and at the same time promotes, the development of increasingly sensitive and stable instrumentation for both, ground-based telescopes and space missions. Our group is particularly prepared for these two fronts. On the one hand, during the last years we have developed observational and reduction techniques of exoplanet transits data for the ORM telescopes, ours being one of the most productive groups in the exploitation of GTC. On the other hand, all ESA space missions (present and future) related to exoplanets have one or more components of the project as CoIs. Within the frame of this project, we intend that IAC researchers maintain an advantageous position regarding the operation of OSIRIS and CanariCam, first light

    GTC's instruments, and participate in the construction, commissioning and operation of new instruments such as the high resolution optical spectrograph HORUS at GTC. The exploitation of the photometry and spectroscopy of transits with LIRIS at WHT is also one of our principal interests, especially in preparation for the installation in 2015 of EMIR on the GTC .

    To summarize, the project "Exoplanets and Astrobiology" will focus on these four action lines:

    1) The characterization of atmospheric and physical properties of exoplanets (GTC, WHT, ARIEL, HARPSN, CARMENES, ESPRESSO, etc. ..)

    2) The search and confirmation of exoplanets by transits techniques (CoRoT, Kepler, K2, CHEOPS, XO, LCOGT, W FC, DISH, etc. ..)

    3) The search and confirmation of exoplanet by radial velocity techniques (HARPSN, HORUS, LCOGT, SONG, CARMENES)

    4) Astrobiology

    Principal investigator
    Project staff
    1. Detection of He in the atmosphere of an exoplanet from the ground, published in Science
    2. Detection of a super-earth around Barnard star, published in Nature
    3. Detection of the first TESS planets, with several papers of high relevance
    4. Discovery of Na and Halpha features in the spectrum of KELT-20b with TNG
    5. Publication of the Handbook of Exoplanets, the most extensive work of reference in the field of exoplanets. The Handbook was edited by members of our group, and includes contributions by about 300 experts worldwide, including 12 members of IAC.

    Related publications

    Stellar activity consequence on the retrieved transmission spectra through chromatic Rossiter-McLaughlin observations 2020A&A...635A.123B
    LHS 1815b: The First Thick-disk Planet Detected by TESS 2020AJ....159..160G
    TESS Spots a Hot Jupiter with an Inner Transiting Neptune 2020ApJ...892L...7H
    RedDots: a temperate 1.5 Earth-mass planet candidate in a compact multiterrestrial planet system around GJ 1061 2020MNRAS.493..536D
    The Continuing Search for Evidence of Tidal Orbital Decay of Hot Jupiters 2020AJ....159..150P
    Transiting exoplanets from the CoRoT space mission. XXIX. The hot Jupiters CoRoT-30 b and CoRoT-31 b 2020A&A...635A.122B
    TOI-132 b: A short-period planet in the Neptune desert transiting a V = 11.3 G-type star<SUP>★</SUP> 2020MNRAS.493..973D
    It Takes Two Planets in Resonance to Tango around K2-146 2020AJ....159..120L
    GJ 1252 b: A 1.2 R<SUB>⊕</SUB> Planet Transiting an M3 Dwarf at 20.4 pc 2020ApJ...890L...7S
    Mass determinations of the three mini-Neptunes transiting TOI-125 2020MNRAS.492.5399N
    USco1621 B and USco1556 B: Two wide companions at the deuterium-burning mass limit in Upper Scorpius 2020A&A...633A.152C
    The CARMENES search for exoplanets around M dwarfs. The He I triplet at 10830 Å across the M dwarf sequence 2019A&A...632A..24F
    Precise radial velocities of giant stars. XIII. A second Jupiter orbiting in 4:3 resonance in the 7 CMa system 2019A&A...631A.136L
    Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M-dwarf System at 6.9 pc 2019AJ....158..152W
    He I λ 10 830 Å in the transmission spectrum of HD209458 b 2019A&A...629A.110A
    A super-Earth and two sub-Neptunes transiting the nearby and quiet M dwarf TOI-270 2019NatAs...3.1099G
    Ionized calcium in the atmospheres of two ultra-hot exoplanets WASP-33b and KELT-9b 2019A&A...632A..69Y
    Spectral library of age-benchmark low-mass stars and brown dwmarfs 2020MNRAS.491.5925M
    MuSCAT2 multicolour validation of TESS candidates: an ultra-short-period substellar object around an M dwarf 2020A&A...633A..28P
    The Habitability of GJ 357D: Possible Climate and Observability 2019ApJ...883L..40K
    Kojima-1Lb Is a Mildly Cold Neptune around the Brightest Microlensing Host Star 2019AJ....158..206F
    MASCARA-3b. A hot Jupiter transiting a bright F7 star in an aligned orbit 2019A&A...631A..76H
    A giant exoplanet orbiting a very-low-mass star challenges planet formation models 2019Sci...365.1441M
    Near-resonance in a System of Sub-Neptunes from TESS 2019AJ....158..177Q
    Radial velocity confirmation of K2-100b: a young, highly irradiated, and low-density transiting hot Neptune 2019MNRAS.490..698B
    Two New HATNet Hot Jupiters around A Stars and the First Glimpse at the Occurrence Rate of Hot Jupiters from TESS 2019AJ....158..141Z
    Water vapor detection in the transmission spectra of HD 209458 b with the CARMENES NIR channel 2019A&A...630A..53S
    Multicolour photometry for exoplanet candidate validation 2019A&A...630A..89P
    K2-295 b and K2-237 b: Two Transiting Hot Jupiters 2019AcA....69..135S
    The CARMENES search for exoplanets around M dwarfs. Photospheric parameters of target stars from high-resolution spectroscopy. II. Simultaneous multiwavelength range modeling of activity insensitive lines 2019A&A...627A.161P
    Atmospheric characterization of the ultra-hot Jupiter MASCARA-2b/KELT-20b. Detection of CaII, FeII, NaI, and the Balmer series of H (Hα, Hβ, and Hγ) with high-dispersion transit spectroscopy 2019A&A...628A...9C
    Planetary system around the nearby M dwarf GJ 357 including a transiting, hot, Earth-sized planet optimal for atmospheric characterization 2019A&A...628A..39L
    Greening of the brown-dwarf desert. EPIC 212036875b: a 51 MJ object in a 5-day orbit around an F7 V star 2019A&A...628A..64P
    A 5D view of the α Per, Pleiades, and Praesepe clusters 2019A&A...628A..66L
    TOI-216b and TOI-216 c: Two Warm, Large Exoplanets in or Slightly Wide of the 2:1 Orbital Resonance 2019AJ....158...65D
    Stellar activity analysis of Barnard's Star: very slow rotation and evidence for long-term activity cycle 2019MNRAS.488.5145T
    The CARMENES search for exoplanets around M dwarfs. Detection of a mini-Neptune around LSPM J2116+0234 and refinement of orbital parameters of a super-Earth around GJ 686 (BD+18 3421) 2019A&A...627A.116L
    The CARMENES search for exoplanets around M dwarfs. Two temperate Earth-mass planet candidates around Teegarden's Star 2019A&A...627A..49Z
    The L 98-59 System: Three Transiting, Terrestrial-size Planets Orbiting a Nearby M Dwarf 2019AJ....158...32K
    Stellar activity and rotation of the planet host Kepler-17 from long-term space-borne photometry 2019A&A...626A..38L

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