Stellar catalog: Discover the nearby universe

Stellar catalog: Discover the nearby universe Database of nearby stars and planets in Milky Way. Current news from astronomy and stellar research.

Red dwarf⭐️Gliese 3512 shows a strange heartbeat: pulses every 70–100 minutes. This rhythm repeats across years of data,...
23/12/2025

Red dwarf⭐️Gliese 3512 shows a strange heartbeat: pulses every 70–100 minutes. This rhythm repeats across years of data, pointing to long-lived magnetic activity in the star’s corona rather than short-lived flare effects
📄 https://www.stellarcatalog.com/study.php?studyID=101939

XMM-Newton space telescope shows⭐️Proxima Centauri’s X-ray output wildly swings, from 20× brighter to far dimmer than it...
23/12/2025

XMM-Newton space telescope shows⭐️Proxima Centauri’s X-ray output wildly swings, from 20× brighter to far dimmer than its average. This intense variability shapes the radiation hitting 🪐Proxima Centauri b
https://www.stellarcatalog.com/study.php?studyID=101937

Astronomers identified two remarkably low-density, inflated planets 🪐TOI-1927 b and 🪐TOI-2643 b - the first puffy planet...
23/12/2025

Astronomers identified two remarkably low-density, inflated planets 🪐TOI-1927 b and 🪐TOI-2643 b - the first puffy planets known to orbit stars in thick disc of the Milky Way. This is highly unexpected in such metal-poor environment of our galaxy
https://www.stellarcatalog.com/study.php?studyID=101931

⭐️⭐️EI Cancri has been detected at 340 MHz, the first-ever radio signal from an ultracool dwarf at this low frequency. T...
15/12/2025

⭐️⭐️EI Cancri has been detected at 340 MHz, the first-ever radio signal from an ultracool dwarf at this low frequency. This opens a new window on detection of magnetic activity like flares, and possible space weather around the coolest stars
📄 https://www.stellarcatalog.com/study.php?studyID=101917

Is ⭐️WASP-12, shrouded in mystery or just cold gas? The strange detection of magnesium likely isn’t just from hot gas es...
11/12/2025

Is ⭐️WASP-12, shrouded in mystery or just cold gas? The strange detection of magnesium likely isn’t just from hot gas escaping 🪐WASP-12 b. Cooling in the torus may create cold clumps rich in magnesium around the star
https://www.stellarcatalog.com/study.php?studyID=101912

Hot Jupiter 🪐WASP-189 b shows a strong dayside glow but almost no nightside light, revealing extreme heat with poor redi...
08/12/2025

Hot Jupiter 🪐WASP-189 b shows a strong dayside glow but almost no nightside light, revealing extreme heat with poor redistribution. The planet orbits in a near-polar orbit around its rapidly rotating star
📄 https://www.stellarcatalog.com/study.php?studyID=101903

Flares from ⭐️TRAPPIST-1 often overwhelm the tiny signals from its temperate worlds. New model now separates flare light...
07/12/2025

Flares from ⭐️TRAPPIST-1 often overwhelm the tiny signals from its temperate worlds. New model now separates flare light from planetary signatures, boosting chances to spot thin atmospheres on the planets
📄 https://www.stellarcatalog.com/study.php?studyID=101901

⭐️YZ Ceti shows repeating radio bursts tied to it exoplanet 🪐YZ Ceti b, hinting at magnetic links. These signals could r...
04/12/2025

⭐️YZ Ceti shows repeating radio bursts tied to it exoplanet 🪐YZ Ceti b, hinting at magnetic links. These signals could reveal the planet’s magnetic field and even trigger flares as it crosses shifting stellar magnetic zones
📄 https://www.stellarcatalog.com/study.php?studyID=101893

New timings of white dwarf⭐️WD 1856+534 show the orbit of its substellar companion is steady. Limits rule out other mas...
27/11/2025

New timings of white dwarf⭐️WD 1856+534 show the orbit of its substellar companion is steady. Limits rule out other massive companions and point to weak tidal evolution, matching a calm post-migration state
📄 https://www.stellarcatalog.com/study.php?studyID=101888

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