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UGC 3478 is a spiral galaxy, located in the constellation of Camelopardalis. [ 3 ] [ 4 ] Is is located at 128 million light-years from Earth. [ 5 ] It features a growing supermassive black hole (AGN) at its center.
UGC 12158 or PGC 69533 is an Sb-type barred spiral galaxy located approximately 384,000,000 ly (118 Mpc) away from Earth in the constellation of Pegasus.Its tight spiral disk spans approximately 140,000 ly (40 kpc), whose scale at heliocentric distance is about 36.9 kiloparsecs per arcminute. [2]
A spiral galaxy is a type of galaxy characterized by a central bulge of old Population II stars surrounded by a rotating disc of younger Population I stars. A spiral galaxy maintains its spiral arms due to density wave theory.
For disk galaxies, virtually all star formation occurs in the disk. In that case, the elongated rings are likewise confined to the disk, and collectively they evolve to appear as (possibly disconnected) segments of spiral arms: See (e.g) NGC 4414, as well as figures in. [2] In 1995, the spiral galaxy NGC 4414 was imaged by the Hubble Space ...
The SIMBAD database lists UGC 11861 an active galaxy nucleus candidate, i.e. it has a compact region at the center that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars. [4] In addition, the galaxy contains two broad spiral arms wrapping ...
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NGC 4414 is a flocculent spiral galaxy, with short segments of spiral structure but without the dramatic well-defined spiral arms of a grand design spiral. The galaxy was imaged by the Hubble Space Telescope in 1995, as part of the HST's main mission to determine the distance to galaxies, and again in 1999 as part of the Hubble Heritage project ...
IC 5332 is a late type spiral galaxy with observable star formation ongoing, though at such a low rate as to be a stable non-starburst galaxy. [4] It is a somewhat tenuous spiral galaxy with a very low surface brightness of just 23.8 mag/squ arc sec .