SDG is categorized as a dwarf spheroidal galaxy
, the kind that is ideal for investigating the properties of dark matter since these galaxies
TEHRAN (FNA)- Astronomers detected a new faint dwarf spheroidal galaxy
using Japan's Subaru Telescope located in Hawaii.
The most obvious is the massive Sagittarius Stream: These broad tidal tails of what was once a dwarf spheroidal galaxy
wrap around the poles of the Milky Way.
Some specific topics explored include the supermassive black hole in the Milky Way, optical to near-infrared light curves of classical Cepheids, young stellar objects in the large Magellanic cloud, dwarf Cepheids in the Carina Dwarf Spheroidal Galaxy
, and helium in the Galactic bulge.
Leo I is a dwarf spheroidal galaxy
discovered in 1950 by Albert George Wilson on a photographic plate taken with the 48-inch Schmidt camera at Palomar Observatory.
A further object for confusion is Leo I--a dwarf spheroidal galaxy
Based on this evidence, "I immediately jumped to the conclusion that this was a dwarf spheroidal galaxy
," Irwin says.
That little smudge, now designated NGC 253-dw2, turns out to be a dwarf spheroidal galaxy
that the much bigger spiral galaxy is in the process of gobbling up via tidal disruption (as implied by its elongated shape).
A rather more challenging object for visual observing is UGC 10822, also known as the Draco dwarf spheroidal galaxy
The Sagittarius Dwarf Spheroidal Galaxy
has mistakenly challenged the Milky Way: no bantamweight beats a heavyweight.
Our final target is the Sculptor Dwarf Spheroidal Galaxy
The Milky Way is currently munching on the Sagittarius Dwarf Spheroidal Galaxy
(Sgr dSph), whose core coincides with the globular cluster M54, located 87,000 light-years away from us on the opposite side of our galaxy.