ESPRESSO Science Team @espresso_astro
Official account of the ESPRESSO Science Team. Studying #exoplanets and #cosmology through Guaranteed Time Observations at @ESO's #Paranal observatory espresso-science.org Joined April 2020-
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ESPRESSO Science Team retweeted
Visiting the National Observatory (@RObsMadrid). This is a spectrograph from the early XX century. This is one of your grandpas @espresso_astro and @CARMENES_exopl !!
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ESPRESSO Science Team retweeted
Today 27 march 2023 @espresso_astro at Age 4: Achievements, Joys, and Tantrums - Christophe Lovis (University of Geneva) at the #EPRV5 Extreme Precision Radial Velocity (EPRV)
ESPRESSO Science Team retweeted
Today 30 march 2023 exoplanet detections session: Two temperate Earth-mass planets orbiting the nearby star GJ 1002 - Alejandro Suárez Mascareño (@IAC_Astrofisica) using @espresso_astro and @CARMENES_exopl at the #EPRV5 Extreme Precision Radial Velocity (EPRV).
Dr. Jessie Christians.. @aussiastronomer
45K Followers 2K Following Caltech/IPAC Planet Hunter | Project Scientist NASA Exoplanet Archive | SHERA PI | My views are not the views of NASA | (mostly over at bluesky now) | She/her
ESO @ESO
159K Followers 1K Following The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society 🇨🇱 @ESO_Chile
Néstor Espinoza @nespinozap
10K Followers 804 Following Astronomer working for @NASAWebb and @NASAHubble at the @SpaceTelescope Science Institute; exoplaneteer | He/him/his | 🇨🇱 in 🇺🇸
Vivien Parmentier @V_Parmentier
3K Followers 754 Following Dad and scientist. Junior professor @LagrangeLab @ObsCoteAzur @Univ_CotedAzur studying exoplanets atmospheres.
Peter Gao @PlanetaryGao
10K Followers 2K Following Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Prof. Abel Méndez �.. @ProfAbelMendez
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P(David|Kipping) ∝ .. @david_kipping
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Seven Machina Rasmuss.. @toomanyspectra
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Laura Kreidberg @lkreidberg
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Carmenes Exoplanets @CARMENES_exopl
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Dr Jake Taylor @AstroJake
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Astropierre @astropierre
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Corey S. Powell @coreyspowell
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Dr. Emily Gilbert @EmDwarf
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NExScI: Exoplanet Sci.. @NExScI_IPAC
16K Followers 2K Following We serve the exoplanet science community. Formerly NASAExoArchive. This account is managed by NASA grantees. Not an official NASA account.
Eric Mamajek @EricMamajek
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Johanna @johannateske
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Ryan MacDonald @MartianColonist
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Astrobiology @astrobiology
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Henrique Pacini 🐢 @RedArcturus
57 Followers 585 Following \ Astronomy student at IAG-USP 🔭 \ Interested in almost any subject 📚 \ Eu ❤️ Algevic \ PT/ENG 🇧🇷
Melissa Moore @Melissa77059557
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2 toad @mellowghost_
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ALL-Angelina @medeteth24146
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Surendra Bhattarai @Surendr62794170
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republic of Truth @Muhamma67326818
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Цувасэ @Tuwase
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Preethi Karpoor @astrokarpoor
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Michael Shatalov @Mikael_Shatalov
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Jenn 🦋 @jperaluc
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Sumit roy Pronoy @sumitroypronoy
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Gabriella Zsidi @GabriellaZsidi
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Sagar Malhotra @Sagar_M0816
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Millennium Twain #Tru.. @MillenniumTwain
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Sisyphusean Rube Gold.. @GRversusND
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GatorJosh @GatorJosh01
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John Martínez @johnedf5
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Rhoddry Ice @RhoddryIce
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ErickSpace369... @ErickHe369
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Flatland Astronomer @AlexNeedsSpace
588 Followers 350 Following Alex Polanski • @UnivOfKansas (astro)physics pre-PhD • I enjoy exoplanets and climbing rocks • Will never turn down a game of pool •
Charles Cadieux @CHarlesCadieux
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Jiaxin Tang @JiaxinTang_amy
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hama @hama_caffeine
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Jingyuan Zhao (赵经.. @Astro_JYZhao
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Desmond Dsouza @dsouza_31
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Faith Hawthorn @_astrofaith
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NASA Exoplanets @NASAExoplanets
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Dr. Jessie Christians.. @aussiastronomer
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ESO @ESO
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Néstor Espinoza @nespinozap
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Vivien Parmentier @V_Parmentier
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NASA's Perseverance M.. @NASAPersevere
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Peter Gao @PlanetaryGao
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European Space Agency @esa
1.8M Followers 1K Following We're the European Space Agency, keeping you posted on European space activities. Please see our Privacy Notice: https://t.co/UkkEqaJOwd
Prof. Abel Méndez �.. @ProfAbelMendez
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Natalie Batalha (@nba.. @nbatalha
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P(David|Kipping) ∝ .. @david_kipping
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Seven Machina Rasmuss.. @toomanyspectra
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NASA JPL @NASAJPL
3.9M Followers 127 Following The Jet Propulsion Laboratory manages many of NASA's robotic missions exploring Earth, the solar system, and our universe. (Verification: https://t.co/iicDVgZd2m)
Laura Kreidberg @lkreidberg
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Dr Jake Taylor @AstroJake
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Matthew Kenworthy @mattkenworthy
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Michael Gillon @Michael59607421
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SAO/NASA Astrophysics.. @adsabs
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Eduardo Cristo 🇺�.. @EduardoASCristo
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Dan F-M @exoplaneteer
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Saeed Hojjatpanah @SHojjatpanah
70 Followers 140 Following Data Scientist/Analyst Former Professional Astronomer
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2K Followers 487 Following Catalan Space Scientist @iSpaceSci and @ieec_space in Barcelona. Tweeting about science, space, policy & more. Opinions are my own. Co-founder of @SONet_hub
Facultad Físicas UCM @Fisicas_UCM
6K Followers 5K Following Twitter oficial de la Facultad de Ciencias Físicas UCM @unicomplutense También en: https://t.co/HQmQz3LahM
Dinko Milaković @dinkoslav
168 Followers 293 Following Private ramblings, please ignore. I do astronomy.
Trifon Trifonov @3fon3fonov
153 Followers 125 Following
Vincent Van Eylen @vaneylenv
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Isabel 🇵🇸🍉 |.. @exo__isa
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JYG @ramstojh
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Matteo Brogi @MattBrogi
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Dr. Jennifer Burt @astrojennb
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Zoë de Beurs (she/he.. @Astro_Zozo
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Europa Press @europapress
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Reuters @Reuters
25.7M Followers 1K Following Top and breaking news, pictures and videos from Reuters. For more breaking business news, follow @ReutersBiz. Our new daily podcast is here: https://t.co/KO0QFy0d3a
IT'S PAPER DAY! Seidel & Prinoth et al. has just been accepted for publication in A&A and you can find it on arXiv already today: arxiv.org/abs/2308.13622✨ Let us tell you a bit more 👇🏼🧵 @JuliaVSeidel @duggebrahe @HoeijmakersJens @espresso_astro @WASPplanets @ESO @ESO_Chile
In this work, we looked at a transit of the bloated hot Jupiter WASP-172 b taken with our favourite spectrograph @espresso_astro and studied the composition and dynamics of this wonderful target. Let us tell you what we find!
Trace of hot-Jupiter #exoplanet WASP-172b crossing its star with ESO's ESPRESSO by Seidel, Prinoth etal, arxiv.org/abs/2308.13622 @bibianaprinoth @HoeijmakersJens @JuliaVSeidel @espresso_astro
Visiting the National Observatory (@RObsMadrid). This is a spectrograph from the early XX century. This is one of your grandpas @espresso_astro and @CARMENES_exopl !!
¿Y por qué están aquí estos planetas? ¿Por qué tienen unas atmósferas tan infladas? Os lo contaremos muy pronto en un nuevo vídeo de nuestro canal de Youtube "Mundos Lejanos", atentos! youtube.com/c/MundosLejanos
Esto hace que los planetas se alineen en el diagrama masa frente a tamaño del planeta en una línea que se corresponde con este tipo de composición (línea roja en el diagrama de abajo).
Los planetas rocosos (tierras y super-Tierras, hasta unas 1.8 veces el tamaño de nuestro planeta) suelen tener con una composición similar a la de la Tierra, con un núcleo de alrededor del 30-40% en masa y un manto del 60-70%, como se muestra aquí.
Tenemos nuevo artículo liderado desde nuestro grupo "Mundos Lejanos" en el @C_Astrobiologia. Nuestro doctorando Amadeo Castro-González (@castro_gzlz) ha descubierto una super-Tierra muy especial, con una atmósfera de agua 50 veces más espesa que la de nuestra Tierra.
Sin embargo, desde hace unos años se ha detectado un puñado de planetas muy por encima de esta línea. El nuevo planeta que hemos descubierto con datos de @espresso_astro, llamado TOI-244 b, está justo en esta nueva población exoplanetaria que hemos llamado super-Tierras inflada
🇪🇸El nuevo hallazgo exoplanetario de nuestro grupo y del equipo de @espresso_astro, liderado por @castro_gzlz, explicado en español en este hilo: 🇬🇧The new exoplanet discovery of our group and the @espresso_astro team, lead by @castro_gzlz, explained in Spanish in this thread:
Tenemos nuevo artículo liderado desde nuestro grupo "Mundos Lejanos" en el @C_Astrobiologia. Nuestro doctorando Amadeo Castro-González (@castro_gzlz) ha descubierto una super-Tierra muy especial, con una atmósfera de agua 50 veces más espesa que la de nuestra Tierra.
To know more about TOI-244 b and low-density super-Earths, check out our new paper published in @AandA_journal and now available in @arxiv: arxiv.org/abs/2305.04922. Special thanks to my fantastic thesis supervisor @jlillobox, and the 36 co-authors that made this possible.
All in all, are we witnessing the emergence of a new type of planet? The inflated super-Earths.
Beyond TOI-244 b, we found that the emerging population of low-density super-Earths tend to be hosted by metal-poor stars and tend to receive low insolations from their stars, suggesting that an extended hydrosphere could be a common composition for all low-density super-Earths.
Given the temperature and humidity conditions on the surface of TOI-244 b, its climate might be similar to that of a wet sauna of planetary dimensions (I honestly wouldn't visit it!).
...and found that TOI-244 b might have a 500 km thick hydrosphere composed of steam and supercritical water.
We investigated whether such low density could be explained by a scarcity of iron in the planet's core or by the presence of a significant amount of volatile elements such as hydrogen, helium, and water...
We monitored the system with @espresso_astro at @ESO (Chile) and found that TOI-244 b has a mass 2.7 times that of the Earth. This corresponds to a density almost two times lower than expected for a super-Earth of its size!
TOI-244 b was discovered by the @NASA_TESS mission transiting its bright and nearby M-dwarf star every 7.4 days. Its transits revealed a planetary size 1.5 times that of the Earth, hence, it is a super-Earth 🌍.
Today we present TOI-244 b! An unusually low-density super-Earth that might have a 500 km thick hydrosphere. Are we witnessing the emergence of a new type of planet? Some insights 👇 arxiv.org/abs/2305.04922
KOBEsim has the potential to double the detection of small and long periodic planets for programs with time flexibility (e.g. GTOs, cc: @espresso_astro, @CARMENES_exopl). The only thing we need is a few of previous data, or an idea on the expected signal (perfect for follow-ups!)
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