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Hubble Spies Newly Forming Star Incubating in IC 2631

Against a backdrop of stars and distant galaxies, an orange glow of looping clouds emanates from a bright-white central star. dark dust lanes extend from the right and left of the central star.
NASA, ESA, T. Megeath (University of Toledo), and K. Stapelfeldt (Jet Propulsion Laboratory); Processing: Gladys Kober (NASA/Catholic University of America)

Stars are born from clouds of gas and dust that collapse under their own gravitational attraction. As the cloud collapses, a dense, hot core forms and begins gathering dust and gas, creating an object called a “protostar.”

This Hubble infrared image captures a protostar designated J1672835.29-763111.64 in the reflection nebula IC 2631, part of the Chamaeleon star-forming region in the southern constellation Chamaeleon. Protostars shine with the heat energy released by clouds contracting around them and the accumulation of material from the nearby gas and dust. Eventually enough material collects, and the core of a protostar becomes hot and dense enough for nuclear fusion to begin, and the transformation into a star is complete. The leftover gas and dust can become planets, asteroids, comets, or remain as dust.

This image is part of a Hubble survey targeting 312 protostars within molecular clouds previously identified with the Spitzer and Herschel infrared space observatories. Protostars are visible primarily in infrared light since they emit a lot of heat energy, and their visible light is obscured by the dust around them. Hubble’s advanced infrared capabilities could better resolve the protostars and examine their structure, including the accumulating gas and dust and faint companion objects.

lower left: wide-field view of a bright-blue nebula against a starfield, right side: orange glow of looping clouds emanates from bright-white central star. Dark dust lanes extend from the right and left of the central star.
Hubble's sharp eye captures a protostar designated J1672835.29-763111.64 in the reflection nebula IC 2631.
NASA, ESA, T. Megeath (University of Toledo), K. Stapelfeldt (Jet Propulsion Laboratory), and ESO; Processing: Gladys Kober (NASA/Catholic University of America)

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Claire Andreoli
NASA's Goddard Space Flight Center
301-286-1940

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Last Updated
Oct 04, 2023
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NASA Hubble Mission Team
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