The Hubble Space Telescope continues to amaze with its latest image of the spiral galaxy NGC 3137, released by the European Space Agency (ESA). This galaxy, situated approximately 53 million light-years from Earth in the constellation Antlia, serves as a valuable subject for astronomers studying the life cycle of stars in a galaxy akin to our own.
NGC 3137 is particularly noteworthy due to its numerous visible stellar clusters, where stars are formed from collapsing clouds of dust and gas in the interstellar medium (ISM). This galaxy is believed to be part of a group of galaxies known as NGC 3175, which shares similarities with our own Local Group that includes the Milky Way. The group consists of two major spiral galaxies, NGC 3137 and NGC 3175, along with several smaller dwarf galaxies, although their total number remains undetermined.
The image from Hubble utilizes observations across six different color bands, revealing various features of the galaxy. Among these are the intricate network of dusty clouds surrounding the galaxy’s center, which is home to a black hole estimated to have a mass of 60 million solar masses. The inclination of NGC 3137 provides a striking view of its spiral structure, with several stars from the Milky Way visible in the foreground and more distant galaxies in the background.
This remarkable image was captured by the Physics at High Angular resolution in Nearby GalaxieS (PHANGS) team as part of observation program #17502. This initiative combines archival data from Hubble, the James Webb Space Telescope (JWST), and the Atacama Large Millimeter-submillimeter Array (ALMA) to investigate star clusters in 55 nearby galaxies. This collaborative effort has facilitated the first multi-scale, multi-phase study of star formation across spiral galaxies in the local universe, offering a comprehensive view of stellar lifecycles.
In this image, newly-formed stars appear as glowing red clouds, still enveloped in their birth nebulae, while young stars are depicted in bright blue clusters, and older stellar populations are characterized by their large, red, and dusty appearances.
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