NGC 3125

{{Infobox galaxy

|image=Extreme NGC 3125.png|name=NGC 3125

|ra=10h 06m 33s|dec=-29° 56’ 05”|epoch=J2000

|sbrightness=22.63 mag/arcsec2|appmag_b=13.45

|constellation name=Antlia

| names = ESO 435-G041, AM 1004-294, MCG -05-24-022

| size_v = 1.1{{prime}} × 0.7{{prime}}

| type = S;BCDG {{cite web

| title=NASA/IPAC Extragalactic Database

| work=Results for NGC 3125

| url=http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+3125

| access-date=2024-03-26 }}

| z = 0.003712 ± 0.000023

| h_radial_v = 1113 ± 7 km/s

}}

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

NGC 3125 is an irregular dwarf starburst galaxy in the constellation Antlia that was discovered by John Herschel in 1835.{{Cite journal |last1=Hadfield |first1=L. J. |last2=Crowther |first2=P. A. |date=2006-06-01 |title=How extreme are the Wolf-Rayet clusters in NGC3125?* |journal=Monthly Notices of the Royal Astronomical Society |volume=368 |issue=4 |pages=1822–1832 |doi=10.1111/j.1365-2966.2006.10245.x |doi-access=free |arxiv=astro-ph/0602591 |bibcode=2006MNRAS.368.1822H |issn=0035-8711}}{{Cite web |title=New General Catalog Objects: NGC 3100 - 3149 |url=https://cseligman.com/text/atlas/ngc31.htm#3125 |access-date=2025-02-16 |website=cseligman.com}} It is located approximately 38 million light-years away from Earth.{{Cite journal |last1=Wofford |first1=A. |last2=Sixtos |first2=A. |last3=Smith |first3=L. |last4=Charlot |first4=S. |last5=Bruzual |first5=G. |date=2024-01-01 |title=NGC 3125-A1 revisited at higher spectral resolution with COS G160M |journal=IAU Symposium |url=https://ui.adsabs.harvard.edu/abs/2024IAUS..361...58W/abstract |volume=361 |pages=58–62 |doi=10.1017/S1743921322002502|bibcode=2024IAUS..361...58W }}{{Cite journal |last1=Plana |first1=Henri |last2=Alves |first2=Vitor G. |last3=Carvalho |first3=Maiara S. |date=2024-06-01 |title=The influence of ionized gas kinematics on H II galaxies - the cases of Tol 1004-296 and Tol 0957-278 |journal=Monthly Notices of the Royal Astronomical Society |volume=531 |issue=2 |pages=2881–2902 |doi=10.1093/mnras/stae1327 |doi-access=free |arxiv=2405.12361 |bibcode=2024MNRAS.531.2881P |issn=0035-8711}} Starburst galaxies are galaxies in which unusually high numbers of new stars are forming, springing to life within intensely hot clouds of gas.{{Cite web |last=Now |first=Astronomy |title=NGC 3125 – Astronomy Now |url=https://astronomynow.com/tag/ngc-3125/ |access-date=2024-04-19 |language=en-US}}