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Illustration of Exoplanet LHS 3844 b and Its Star
Illustration showing what exoplanet LHS 3844 b could look like, based on current understanding of the planet.
LHS 3844 b is a rocky planet with a diameter 1.3 times that of Earth orbiting 0.006 astronomical units from its cool red dwarf star. The planet is hot, with dayside temperatures calculated to be greater than 1,000 degrees Fahrenheit (greater than about 525 degrees Celsius).
Previous studies show that the planet is unlikely to have a substantial atmosphere and that the surface may be composed of dark, perhaps basaltic, rock.
Observations of the planet’s thermal emission spectrum using Webb’s Mid-Infrared Instrument (MIRI) will provide more evidence to help determine what the surface is made of.
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.22:41:59.09
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.–69:10:19.59
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Indus
- DistanceDistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.49 light-years from Earth
About the Data
- Data DescriptionData DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.LHS 3844 b
- Object DescriptionObject DescriptionThe type of astronomical object.Hot Super-Earth exoplanet orbiting a cool red dwarf (M-dwarf) star
- Release DateMay 26, 2022
- Science ReleaseGeology from 50 Light-Years: Webb Gets Ready to Study Rocky Worlds
- CreditArtwork: NASA, ESA, CSA, Dani Player (STScI)
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Details
Laura Betz
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
laura.e.betz@nasa.gov
NASA, ESA, CSA, Dani Player (STScI)
