NGC 4163 explained

NGC 4163
Epoch:	J2000
Type:	dIrr^[1]
Dist Ly:	2.959Mpc
Appmag V:	14.5
Size V:	1.9 × 1.6
Constellation Name:	Canes Venatici
Names:	NGC 4167, UGC 7199, PGC 38881, MCG 6-27-26

NGC 4163, also known as NGC 4167, is a dwarf irregular galaxy in the constellation Canes Venatici, about 9.65 million light-years away. It was discovered by William Herschel on April 28, 1785 as NGC 4163. John Herschel discovered it again on March 11, 1831 as NGC 4167. It has a size on the night sky of 1.9' x 1.6', which, at its distance, gives a diameter of 4000 light-years. This galaxy consists of young blue stars.^[2] It is a member of the M94 Group.^{[3] [4] [5]}

Notes and References

1. Book: Dunlop. Storm. Atlas of the Night Sky. registration. Collins. 2005. 978-0-00-717223-8.
2. Web site: NGC 4163.
3. Book: R. B. Tully . 1988 . Nearby Galaxies Catalog . . Cambridge . 978-0-521-35299-4.
4. Fouque. P.. Gourgoulhon. E.. Chamaraux. P.. Paturel. G.. May 1992. Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members.. Astronomy and Astrophysics Supplement Series. en. 93. 211. 1992A&AS...93..211F. 0365-0138.
5. Garcia. A. M.. July 1993. General study of group membership. II. Determination of nearby groups.. Astronomy and Astrophysics Supplement Series. en. 100. 47. 1993A&AS..100...47G. 0365-0138.