NGC 4163

NGC 4163
NGC 4163
	Hubble Space Telescope image of NGC 4163
Observation data (J2000 epoch)
Constellation	Canes Venatici
Right ascension	12h 12.9m
Declination	36° 10′
Distance	2.959 megaparsecs (9.65 Mly)
Apparent magnitude (V)	14.5
Characteristics
Type	dIrr
Apparent size (V)	1.9′ × 1.6′
Other designations
	NGC 4167, UGC 7199, PGC 38881, MCG 6-27-26

Last updated December 25, 2024

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]

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NGC 717 is a lenticular galaxy located 210 million light-years away in the constellation Andromeda. The galaxy was discovered by astronomer Bindon Blood Stoney on October 28, 1850 and is a member of Abell 262.

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References

1 2 3 4 5 Dunlop, Storm (2005). Atlas of the Night Sky . Collins. ISBN 978-0-00-717223-8.
↑ "NGC 4163".
↑ R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 978-0-521-35299-4.
↑ 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. 93: 211. Bibcode:1992A&AS...93..211F. ISSN 0365-0138.
↑ Garcia, A. M. (July 1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.

External links

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[nightsky-1] 1 2 3 4 5 Dunlop, Storm (2005). Atlas of the Night Sky . Collins. ISBN 978-0-00-717223-8.

[2] "NGC 4163".

[nbg-3] R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 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. 93: 211. Bibcode:1992A&AS...93..211F. ISSN 0365-0138.

[5] Garcia, A. M. (July 1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.

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