NGC 4523 explained

NGC 4523
Epoch:	J2000
Type:	SAB(s)m^[1]
Dist Ly:	42.38 ± 6.52 Mly (13 ± 2 Mpc)^[2]
Group Cluster:	Virgo Cluster
Z:	0.000874/262 km/s
Appmag V:	14.42
Size V:	2.0 x 1.9
Constellation Name:	Coma Berenices
Names:	PGC 041746, UGC 07713, VCC 1524
Size:	~39,600 ly (estimated)

NGC 4523 is a Magellanic spiral galaxy located about 35 to 50 million light-years away^[3] in the constellation Coma Berenices.^[4] It was discovered by astronomer Heinrich d'Arrest on April 19, 1865.^[5] NGC 4523 is a member of the Virgo Cluster.^{[6] [7]} A distance of (13 ± 2 Mpc) for NGC 4523 was derived from using yellow supergiants in the galaxy as standard candles.

On December 23, 1999, a Type II supernova designated as SN 1999gq was detected in NGC 4523.^{[8] [9]}

See also

• NGC 4571

Notes and References

1. Web site: NASA/IPAC Extragalactic Database . Results for NGC 4523 . 2017-12-04.
2. Web site: parsecs to lightyears conversion. 2017-09-30.
3. Web site: Your NED Search Results. ned.ipac.caltech.edu. 2017-12-04.
4. Web site: Revised NGC Data for NGC 4523. spider.seds.org. 2017-12-04.
5. Web site: New General Catalog Objects: NGC 4500 - 4549. cseligman.com. 2017-11-08.
6. Shanks. T.. Tanvir. N. R.. Major. J. V.. Doel. A. P.. Dunlop. C. N.. Myers. R. M.. 1992-05-01. High-resolution imaging of Virgo cluster galaxies – II. Detection of the brightest stars in NGC 4523. Monthly Notices of the Royal Astronomical Society. en. 256. 1. 29P–32P. 10.1093/mnras/256.1.29p. 0035-8711. 1992MNRAS.256P..29S. free.
7. Web site: The Virgo Cluster. www.atlasoftheuniverse.com. 2017-12-04.
8. Web site: 1999gq - The Open Supernova Catalog. sne.space. en-US. 2017-12-05. 2017-12-06. https://web.archive.org/web/20171206074520/https://sne.space/sne/1999gq/. dead.
9. Web site: Supernova 1999gq in NGC 4523. www.rochesterastronomy.org. 2017-12-05.