NGC 1428 is a peculiar galaxy of an uncertain

morphology Morphology, from the Greek and meaning "study of shape", may refer to: Disciplines *Morphology (archaeology), study of the shapes or forms of artifacts *Morphology (astronomy), study of the shape of astronomical objects such as nebulae, galaxies, ...

; either an

elliptical Elliptical may mean: * having the shape of an ellipse, or more broadly, any oval shape ** in botany, having an elliptic leaf shape ** of aircraft wings, having an elliptical planform * characterised by ellipsis (the omission of words), or by conc ...

or lenticular galaxy located approximately 65 million light-years away from

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...

. It was discovered by astronomer Julius Schmidt on January 19, 1865. It is a member of the Fornax Cluster. 40 known

globular clusters A globular cluster is a spheroidal conglomeration of stars. Globular clusters are bound together by gravity, with a higher concentration of stars towards their centers. They can contain anywhere from tens of thousands to many millions of member ...

have been observed surrounding NGC 1428 along with 23 observed planetary nebulae.

Physical characteristics

NGC 1428 is host to a

nuclear star cluster A nuclear star cluster (NSC) or compact stellar nucleus (sometimes called young stellar nucleus) is a star cluster with high density and high luminosity near the center of mass of most galaxies. NSCs are the central massive objects of fainter ...

with an estimated mass ranging from 1.4 × 10⁷ to 2.2 × 10⁷ M_☉. It is thought that this nuclear star cluster which surrounded by a nuclear stellar disk formed from multiple instances of gas acrecction and subsequent episodes of

star formation Star formation is the process by which dense regions within molecular clouds in The "medium" is present further soon.-->interstellar space

. The presence of counter-rotating population of stars suggests the occurrence of

mergers Mergers and acquisitions (M&A) are business transactions in which the ownership of companies, other business organizations, or their operating units are transferred to or consolidated with another company or business organization. As an aspect ...

that occurred in the opposite direction of the rotation of NGC 1428. The galaxy has a supermassive black hole with an estimated mass of 4.1 × 10⁷ M_☉.

References

External links

* * {{DEFAULTSORT:NGC 1428 Lenticular galaxies Peculiar galaxies Elliptical galaxies Fornax Cluster Fornax

1428 Year 1428 ( MCDXXVIII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. Events January–December * February 2 – 1428 Catalonia earthquake. The earthquake takes place during Ca ...

13611 Astronomical objects discovered in 1837

Physical characteristics

See also

References

External links