NGC 4743

{{Short description|Galaxy in the constellation Centaurus}}

{{Infobox Galaxy

| name = NGC 4743

| image = 250px

| caption = 2MASS image of NGC 4743.

| epoch = J2000

| type = SA0^+{{cite web

| title=NASA/IPAC Extragalactic Database

| work=Results for NGC 4743

| url=http://nedwww.ipac.caltech.edu/

| access-date=2018-04-15}}

| ra = {{RA|12|52|16.0}}

| dec = {{DEC|-41|23|26}}

| dist_ly = {{convert|44.6|Mpc|Mly|abbr=on|lk=on|order=flip}}

| group_cluster = Centaurus Cluster

| h_radial_v = 2984 km/s

| z = 0.009954

| appmag_v = 13.97

| size_v = 1.3 x 0.5

| constellation name = Centaurus

| names = ESO 323-21, CCC 226, MCG -7-27-5, PGC 43653

|size=~{{convert|21.62|kpc|ly|abbr=on|lk=on|order=flip}} (estimated)}}

NGC 4743 is a lenticular galaxy located about 145 million light-years away{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4743&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES|title=Your NED Search Results|website=ned.ipac.caltech.edu|access-date=2018-04-16}} in the constellation Centaurus.{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?NGC4743|title=Revised NGC Data for NGC 4743|website=spider.seds.org|access-date=2018-04-16}} NGC 4743 was discovered by astronomer John Herschel on June 8, 1834.{{Cite web|url=https://cseligman.com/text/atlas/ngc47.htm#4743|title=New General Catalog Objects: NGC 4700 - 4749|website=cseligman.com|language=en-US|access-date=2018-04-11}} It is a member of the Centaurus Cluster.{{Cite journal|last=Jerjen|first=H.|last2=Dressler|first2=A.|date=1997-07-01|title=Studies of the Centaurus cluster|journal=Astronomy and Astrophysics Supplement Series|language=en|volume=124|issue=1|pages=1–12|doi=10.1051/aas:1997355|issn=0365-0138|bibcode=1997A&AS..124....1J|doi-access=free}}{{Cite book|url=https://books.google.com/books?id=BoIsCgAAQBAJ&pg=PA222|title=Deep-Sky Companions: Southern Gems|last=O'Meara|first=Stephen James|date=2013-04-08|publisher=Cambridge University Press|isbn=978-1-139-85154-1|page=222|bibcode=2013dcsg.book.....O}}