Who Brought the Dwarf

The mysteries of UGC 8201

Image Credit & Copyright: NASA/ESA Hubble Space Telescope.

15 million light years away in the constellation Draco (the Dragon) is this busy dwarf galaxy cataloged as UGC 8201. As a member of the M81 group of galaxies it’s not within the Milky Way’s local group of galaxies but it is one of its closest neighbors.

The mystery within this galaxy is that it appears to have undergone a recent flurry of star formation which, of course requires large amounts of material and energy to set into motion. What we see here however is the apparent lack of material to have done that so the cause of the star formation, for now, remains a mystery to solve. For most in the field, the mystery of the unknown is one of the single greatest drivers right along with, as Richard Feynman put it, “The pleasure of finding things out.”

NAME: UGC 8201 or DDO 165.

WHAT IS IT?: Dwarf galaxy.

HOW FAR AWAY IS IT?: 15 million light years.

HOW BIG IS IT?: Apparent dimensions are 3.4 x 2 degrees on the night sky.

APPARENT MAGNITUDE: a very dim 12.5.

WHERE IS IT? (General): Constellation Draco (the Dragon) and a member of the M81 group of galaxies.

WHERE IS IT? (Exact RA/DEC J2000): RA 13h 06m 24.85s / DEC +67d 42’ 25”.

ESA Space Telescope “Picture Of The Week” page for this image: https://www.spacetelescope.org/images/potw1510a/

NASA page for this image: https://www.nasa.gov/content/goddard/hubble-explores-the-mysteries-of-ugc-8201

SIMBAD data for this object: http://simbad.u-strasbg.fr/simbad/sim-id?Ident=UGC+8201

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