NGC 539

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

{{Infobox galaxy

| name = NGC 539

| image = File:NGC 539 legacy dr10.jpg

| caption = legacy surveys image of NGC 539

| epoch = J2000

| constellation name = Cetus

| ra = {{RA|01|25|21.73827}}

| dec = {{DEC|-18|09|49.9592}}

| z = 0.032528{{cite simbad|title=NGC 539|access-date=2020-05-15}}

| h_radial_v = 9593.1 km/s

| dist_ly = {{cvt|134.8|Mpc|Mly|lk=on|order=flip}}{{cite journal|bibcode=2006ApJS..165..307M|title=The Survey for Ionization in Neutral Gas Galaxies. I. Description and Initial Results|last1=Meurer|first1=Gerhardt R.|last2=Hanish|first2=D. J.|last3=Ferguson|first3=H. C.|last4=Knezek|first4=P. M.|last5=Kilborn|first5=V. A.|last6=Putman|first6=M. E.|last7=Smith|first7=R. C.|last8=Koribalski|first8=B.|last9=Meyer|first9=M.|last10=Oey|first10=M. S.|last11=Ryan-Weber|first11=E. V.|author11-link=Emma Ryan-Weber|last12=Zwaan|first12=M. A.|last13=Heckman|first13=T. M.|last14=Kennicutt|first14=R. C.|last15=Lee|first15=J. C.|last16=Webster|first16=R. L.|last17=Bland-Hawthorn|first17=J.|last18=Dopita|first18=M. A.|last19=Freeman|first19=K. C.|last20=Doyle|first20=M. T.|last21=Drinkwater|first21=M. J.|last22=Staveley-Smith|first22=L.|last23=Werk|first23=J.|author-link23=Jessica Werk|journal=The Astrophysical Journal Supplement Series|year=2006|volume=165|issue=1|page=307|doi=10.1086/504685|arxiv=astro-ph/0604444|s2cid=9655238 }}

| group_cluster =

| type = Sc

| size = ~{{convert|87.67|kpc|ly|abbr=on|lk=on|order=flip}} (estimated)

| appmag_v =

| appmag_b = 14.32

| absmag_v =

| notes =

| names = {{odlist | MCG=-03-04-063 | PGC=5269 | name = ESO 542- G 010 | 2MASX= J01252171-1809499 | IRAS= 01229-1825}}

}}

NGC 539 is a barred spiral galaxy in the constellation of Cetus south. It is estimated to be 429 million light years from the Milky Way and has a diameter of approximately 200,000 ly.{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?NGC539|title=Revised NGC Data for NGC 539|website=spider.seds.org|access-date=2020-04-10}}{{Cite web|url=https://in-the-sky.org/data/object.php?id=NGC539|title=The galaxy NGC 539 - In-The-Sky.org|last=Ford|first=Dominic|website=in-the-sky.org|language=en|access-date=2020-04-10}}{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+539&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=2020-04-10}} It was discovered on 31 October 1885 by American astronomer Francis Leavenworth.{{cite web | url = https://cseligman.com/text/atlas/ngc5.htm#539 | title = New General Catalogue Objects: NGC{{nbsp}}539 | last = Seligman | first = Courtney | website = Celestial Atlas | access-date = 30 August 2024 }}