Elisabetta Rigliaco was staring at a speck of light 492 light-years away when she saw something extraordinary—a faint signal embedded in the dusty disk around the young star WRAY 15-1880 that could be a Jupiter-like world in the act of forming. Using the European Southern Observatory’s Very Large Telescope in Chile, Rigliaco and her team from the Astronomical Observatory of Padua captured polarized light from the circumstellar disk, revealing not just its elegant structure—tilted at 39.22 degrees and stretching 87 astronomical units from the star—but a potential companion lurking within it. At an estimated 2.8 million years old, WRAY 15-1880 is an infant in cosmic terms, yet it may already be giving birth to a planetary system, offering astronomers a rare real-time glimpse into how planets like our own might have formed.
The candidate planet, if confirmed, would have a mass between 1.7 and 7.6 times that of Jupiter and a surface temperature of about 1,200 Kelvin—cool enough to classify it as a T3 spectral type, similar to some of the coldest known brown dwarfs. It appears to orbit at a distance of 25.7 AU from its star, completing one lap every 127 years. That wide, circular path suggests it’s gravitationally shaping the disk around it, possibly carving the gap previously observed in millimeter-wave data from ALMA. What makes this system so special is that both the disk and the potential planet have been imaged directly—a feat achieved in only a handful of systems so far.
Still, the team remains cautious. The signal could be a mirage—an artifact caused by scattered starlight or uneven dust distribution rather than a true planet. "We cannot completely exclude alternative explanations," the researchers wrote in their June 10 paper posted to arXiv. But if follow-up observations confirm the planet’s existence, WRAY 15-1880 would join an elite group of stellar nurseries where planet formation is not just inferred but seen. Located in the CrA-North region of the Corona Australis complex, this system offers a nearby laboratory for studying how gas and dust coalesce into worlds.
For now, the discovery stands at the edge of certainty—a whisper in the data. But it’s a whisper that could grow louder with time. As telescope sensitivity improves and new instruments come online, systems like WRAY 15-1880 will help turn the mysteries of planet birth into measurable science. In the quiet around a young star, the seeds of a solar system may already be stirring.