Kevin Stevenson
@kevinbstevenson
Solves planet-size problems for a living, rock climber, 🐈-aholic, @Canucks fan, still 🇨🇦 at heart!
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Webb's on the case 🔎 Webb found hints of water vapor while studying rocky exoplanet GJ 486 b. Scientists are puzzled whether this could be due to spots on its star, or if this could indicate the 1st atmosphere definitively detected around a rocky world: go.nasa.gov/41K2Ahj
Our JWST Transiting Exoplanet Early Release Science Team is proud to report on the detection of Carbon Dioxide in the atmosphere of the exoplanet WASP-39b. Press release and a thread 🧵 ... webbtelescope.org/contents/previ…
Catch your breath — Webb has captured the first clear evidence of carbon dioxide (CO2) in the atmosphere of a planet outside of our solar system! WASP-39 B is a gas giant closely orbiting a Sun-like star 700 light years away: go.nasa.gov/3PIRGSc
Check out the great work by my student @ExoShastri and the great team of collaborators on MOS for transiting exoplanets. It's not at #CoolStars21 #cs21 - but it's about host stars, and their temperament! arxiv.org/abs/2207.01606
Anyone looking for a postdoc job & interested in exoplanet atmospheres? I'm currently looking to hire someone to work on a big observational program we've been running! Some spectroscopy experience needed, but no specific exoplanet knowledge required! shorturl.at/fnqAE
Interested in hearing what some of our CHAMPs team members have been up to? Check out these presentations at #AbSciCon next week! ⬇️⬇️⬇️⬇️⬇️⬇️
Today on the ArXiv: a new paper looking at the secondary eclipse spectrum of WASP-77Ab with the Hubble Space Telescope! arxiv.org/abs/2203.01463
Apply for our @CHAMPs_Collab NPP postdoc position. Five great advisors to choose from!
🚨 Job Alert! 🚨 Interested in the potential for habitable environments on M-dwarf planets? CHAMPs is hiring a NPP postdoc! Apply by Mar 1 Contact potential advisors w/ questions: @kevinbstevenson @ravi_kopparapu @nogreenstars @evgenya @storyofthewolf1 zintellect.com/Opportunity/De…
Do you do work related to the habitability and/or atmospheres of M-dwarf planets? Are you interested in giving a (virtual) talk on the topic? Or do you know someone who fits the above description? Nominate yourself or others here! forms.gle/JJnxdyXeCWxV4i…
🚨Paper Alert!🚨Our recent paper “Hierarchical Bayesian Atmospheric Retrieval Modeling for Population Studies of Exoplanet Atmospheres: A Case Study on the Habitable Zone” examines how individual atmospheric constraints inform population trends 🧵 arxiv.org/abs/2202.00701
We’re starting day 2 with Exoplanet Atmospheres and Brown Dwarfs, starting in 10 minutes! #CHAMPsSeminar #AAS239 Speakers are tagged if they have a twitter, please follow these early career scientists!
Next is Junellie González Quiles (@JunellieG) with Carbon Cycling on the TRAPPIST-1 Planets They study the deep water and carbonate-silicate cycles to understand how carbon and water are transported from the interior to the atmosphere through outgassing #CHAMPsSeminar #AAS239
Welcome back! Our next session is “Interstellar Objects, Terrestrial Planets, Biosignatures, and Habitability”, starting now! #CHAMPsSeminar #AAS239 Speakers are tagged if they have a twitter, please follow these early career scientists!
We’re back with Emily Safron giving a dissertation talk on Occurrence rates of long-period exoplanets derived with citizen science. This project has identified a large population of single signals to estimate an occurance rate for long period planets #CHAMPsSeminar #AAS239
We’re getting ready to kick off our virtual #CHAMPsSeminar, featuring early career researchers in the field of Exoplanets #AAS239. This event is hosted by the @CHAMPs_Collab and @JHUAPL!
Don't miss our Exoplanet Early Career Highlight #CHAMPsSeminar Tomorrow Jan 13 and Friday Jan 14! champs.jhuapl.edu/Seminar-Series…
Although #AAS239 has been canceled, we are supporting grassroots efforts to virtualize some portions as free webinars. See the virtual events schedule: aas.org/meetings/aas239
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