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Density wave theory is the preferred explanation for the well-defined structure of grand design spirals, [2] first suggested by Chia-Chiao Lin and Frank Shu in 1964. [3] The term "grand design" was not used in this work, but appeared in the 1966 continuation paper; [4] Lin [5] (along with Yuan and Shu [6]) is usually credited with coining of the term.
BX442 (Q2343-BX442 [1]) is a grand design spiral galaxy of type Sc. [1] It has a companion dwarf galaxy.It is the most distant known grand design spiral galaxy in the universe, with a redshift of z=2.1765 ± 0.0001. [1]
NGC 1300 is a barred spiral galaxy located about 65 million light-years away in the constellation Eridanus.The galaxy is about 110,000 light-years across. It is a member of the Eridanus Cluster, a cluster of 200 galaxies, [3] [4] [5] in a subgroup of 2-4 galaxies in the cluster known as the NGC 1300 Group.
M83 is a massive, grand design spiral galaxy. [10] Its morphological classification in the De Vaucouleurs system is SAB(s)c, [2] where the 'SAB' denotes a weak-barred spiral, '(s)' indicates a pure spiral structure with no ring, and 'c' means the spiral arms are loosely wound. [11]
Messier 74 (also known as NGC 628 and Phantom Galaxy) is a large spiral galaxy in the equatorial constellation Pisces. [a] It is about 32 million light-years away from Earth. [6] The galaxy contains two clearly defined spiral arms and is therefore used as an archetypal example of a grand design spiral galaxy. [7]
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This type of galaxy is known as "grand design". [1] NGC 7541 is actually observed to have a higher-than-usual star formation rate, adding weight to the theory that spiral bars act as stellar nurseries, corralling and funneling inwards the material and fuel needed to create and nurture new baby stars . [ 3 ]
Download as PDF; Printable version ... A spiral galaxy is a type of galaxy characterized by a central bulge of old Population II stars surrounded ... 11.2 NGC 4216 ...