[NASA]. Now on a three-month, million-mile journey to its final orbit, NASA’s Nancy Grace Roman Space Telescope will soon reveal the universe’s darkest secrets. The mission launched at 7:26 a.m. […]
astronomy
Posted inAtmospheres, Climate, Weather
Atmospheric Retrieval of Combined JWST, HST, and Ground-Based Observations Reveals a Featureless Transmission Spectrum for GJ 1132 b
[astro-ph.EP] We present a panchromatic transmission spectrum of GJ1132b spanning 0.71–5.16 μm, combining published transit observations from Magellan/LDSS3C, HST/WFC3 G141, and JWST/NIRSpec (G395H and G395M).
![[LEFT] The MIRI F2100W observation of the HD 107146 system, shown in logarithmic scaling with the corresponding intensity levels indicated in the colorbar. [RIGHT] Contours from the ALMA observations obtained within the ARKS program (S. Marino et al. 2026), overlaid on the combined F182M and F210M JWST/NIRCam observations for HD 107146. -- [astro-ph.SR]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/08/The-JWSTNIRCam.png?resize=1200%2C720&ssl=1)
Posted inAstrogeology
The JWST/NIRCam Scattered Light Disks GTO 2780 program: Panchromatic coronagraphic imaging of the HD 10647, HD 32297, HD 61005, HD 107146, and HD 181327 debris disk systems
[astro-ph.SR]. Debris disks, composed of rocks, boulders, planetesimals, and the dust produced in their collisions, present the most readily observable components of mature planetary systems.
![An example RV fit with Alfred on the TOI-6054 system (M. A. Kroft et al. 2025), with Gaussian priors on the planets’ periods and conjunction times. This fit demonstrates Alfred’s ability to fit multiple planets and multiple datasets simultaneously, as well as handle eccentricity and user-defined priors. This plot is the default output from an RV fit with Alfred.-- [astro-ph.IM]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/08/Alfred.png?resize=1200%2C719&ssl=1)
Posted inAI - Data - Apps - Cybernetics
Alfred: A Flexible, User-Friendly Python Package for Exoplanet Confirmation
[astro-ph.IM] In the era of TESS, exoplanet follow-up and confirmation have become a massive community effort.
Posted inExoplanets, -moons, -comets
Exploring Long-period Architectures: Four New Planet Candidates from Kepler with Periods >342 days
[astro-ph.EP] The Kepler detection pipeline, as well as the transit method, has a bias towards shorter periods, leaving a dearth of detections at longer orbital periods. This relative lack of […]
Posted inExoplanets, -moons, -comets
JWST Color Sequence Of Transiting Exoplanets And Directly Imaged Substellar Objects
[astro-ph.EP] Color-magnitude diagrams (CMDs) have been foundational across astrophysics, from galaxies and stars to brown dwarfs, and JWST now extends them to transiting exoplanets and self-luminous substellar objects at overlapping […]
Posted inAstronomy & Telescopes
Roman Space Telescope: Enabling Images Of Distant Worlds
[Max Planck Institute for Astronomy] The Roman Space Telescope is designed to directly image exoplanets using complex opto-mechanical systems developed by the Max Planck Institute for Astronomy.
Posted inAstrochemistry
Interstellar Aromatic Infrared Bands: IR Absorption Spectroscopy Of The Lowest Triplet State Of Naphthalene
[astro-ph.GA] The aromatic infrared bands (AIBs), emission features observed ubiquitously across a wide variety of interstellar objects, are commonly attributed to radiative cooling of highly-excited ground-state vibrational levels of polycyclic […]
Posted inExoplanets, -moons, -comets
Pandora Mission Begins A Study Of Exoplanets And Their Host Stars
[NASA] Pandora, NASA’s newest exoplanet mission and the first satellite to launch through the agency’s Astrophysics Pioneers program, is now making unique observations of worlds beyond our solar system and […]
Posted inExoplanets, -moons, -comets
Transit Searches for Habitable-Zone Exoplanets with Artificial Intelligence
[astro-ph.EP]. Searching for Earth-sized planets in stellar habitable zones ultimately means finding a small number of very shallow, widely separated transits in noisy light curves.