Note: Single-source report; awaiting corroboration.
NASA's Hubble Space Telescope has captured a detailed image of the spiral galaxy NGC 3137, located about 53 million light-years away in the constellation Antlia, also known as the Air Pump. This proximity provides astronomers with an opportunity to examine stellar birth and death cycles in a galaxy similar to the Milky Way.
NGC 3137 belongs to a galaxy group thought to resemble the Local Group, which contains the Milky Way. Both groups feature two large spiral galaxies; in this case, NGC 3137 and NGC 3175 compose the NGC 3175 group, analogous to the Milky Way and Andromeda in the Local Group. Over 500 dwarf galaxy candidates have been identified near NGC 3137, though the total number remains uncertain. Studying this group may help researchers understand the dynamics of our own galactic neighborhood.
The Hubble image, composed from observations in six color bands, highlights the galaxy’s loose, feathery spiral structure and a central region surrounded by fine dust clouds. At the core of NGC 3137 is a black hole estimated at 60 million times the Sun’s mass. The photo also shows bright blue star clusters and glowing red gas clouds, indicating regions with hot, young stars still enveloped in their birth nebulae.
This image is part of an observing program focused on star clusters in 55 nearby galaxies, led by Principal Investigator D. Thilker. The data aims to identify star clusters and nebulae, helping astronomers determine star ages and understand stellar life stages in spiral galaxies like NGC 3137.