Tag

M104

All articles tagged with #m104

Long-Exposure Imaging Reveals Hidden Tidal Streams in the Sombrero Galaxy
science5 days ago

Long-Exposure Imaging Reveals Hidden Tidal Streams in the Sombrero Galaxy

A new deep-space image of the Sombrero Galaxy (M104) reveals faint stellar structures and tidal streams that suggest a violent history of galactic collisions. Captured over seven days in Namibia in mid-2026, the long-exposure photograph shows a hazy halo extending beyond the galaxy's central disk, containing a distinct diagonal ring. These features, invisible in shorter exposures, provide evidence that M104 formed through the merger of smaller galaxies. The galaxy is located approximately 30 million light-years away and spans about 150,000 light-years across.

Sombrero Galaxy reveals enormous diffuse halo in new deep-sky image
science5 months ago

Sombrero Galaxy reveals enormous diffuse halo in new deep-sky image

Astronomers using the 570-megapixel Dark Energy Camera in Chile captured a vast, diffuse halo around the Sombrero Galaxy (M104), extending far beyond its dusty disk and revealing a faint stellar stream that suggests past interactions with a smaller satellite galaxy. The image showcases both the bright central bulge and the faint outer structures in one frame, thanks to the camera’s sensitivity to extremely faint light.

Sombrero Galaxy reveals a colossal halo and faint stellar stream in a new deep-sky image
space5 months ago

Sombrero Galaxy reveals a colossal halo and faint stellar stream in a new deep-sky image

A new 570-megapixel image from the Dark Energy Camera at Cerro Tololo reveals an enormous, diffuse halo around the Sombrero Galaxy (M104) that extends beyond the bright disk by more than three times, plus a faint stellar stream suggesting past interactions with a smaller satellite. The image also sharpens the central bulge and dust lanes, highlighting star formation regions and the galaxy’s distinctive hat-like shape, thanks to NOIRLab’s deep-sky imaging capabilities, building on recent JWST mid-infrared observations.