NGC 3258

{{Infobox galaxy

| name = NGC 3258

| image = Elliptical Galaxy in the Antlia Cluster (noirlab2501e).jpg

| alt = NGC 3258

| caption = NGC 3258 (center) imaged by the Víctor M. Blanco Telescope

| epoch = J2000

| constellation name = Antlia

| ra = {{RA|10|28|53.588}}{{cite journal |doi=10.1086/498708 |last1=Skrutskie |first1=Michael F. |last2=Cutri |first2=Roc M. |last3=Stiening |first3=Rae |last4=Weinberg |first4=Martin D. |last5=Schneider |first5=Stephen E. |last6=Carpenter |first6=John M. |last7=Beichman |first7=Charles A. |last8=Capps |first8=Richard W. |last9=Chester |first9=Thomas |last10=Elias |first10=Jonathan H. |last11=Huchra |first11=John P. |last12=Liebert |first12=James W. |last13=Lonsdale |first13=Carol J. |last14=Monet |first14=David G. |last15=Price |first15=Stephan |last16=Seitzer |first16=Patrick |last17=Jarrett |first17=Thomas H. |last18=Kirkpatrick |first18=J. Davy |last19=Gizis |first19=John E. |last20=Howard |first20=Elizabeth V. |last21=Evans |first21=Tracey E. |last22=Fowler |first22=John W. |last23=Fullmer |first23=Linda |last24=Hurt |first24=Robert L. |last25=Light |first25=Robert M. |last26=Kopan |first26=Eugene L. |last27=Marsh |first27=Kenneth A. |last28=McCallon |first28=Howard L. |last29=Tam |first29=Robert |last30=Van Dyk |first30=Schuyler D. |last31=Wheelock |first31=Sherry L. |title=The Two Micron All Sky Survey (2MASS) |journal=The Astronomical Journal |date=1 February 2006 |volume=131 |issue=2 |pages=1163–1183 |bibcode=2006AJ....131.1163S |s2cid=18913331 |issn=0004-6256 |doi-access=free }}

| dec = {{DEC|-35|36|19.98}}

| h_radial_v = 2792 ± 28 km/s

| z = 0.009357

| dist_ly = {{cvt|38.11|Mpc|Mly|lk=on|order=flip}}{{cite journal|title=Groups of Galaxies in the Two Micron All Sky Redshift Survey|author1=Crook, Aidan C.|author2=Huchra, John P.|author3=Martimbeau, Nathalie|author4=Masters, Karen L.|author5=Jarrett, Tom|author6=Macri, Lucas M.|journal=The Astrophysical Journal|volume=655|issue=2|pages=790–813|date=2007|bibcode=2007ApJ...655..790C|doi=10.1086/510201|arxiv=astro-ph/0610732|s2cid=11672751 }}

| group_cluster =

| type = E1

| appmag_v = 11.72

| appmag_b = 12.50

| absmag_v =

| size_v = {{Val|2.9|×|2.5|u=arcminute}}{{r|ned}}

| size = ~{{convert|59.45|kpc|ly|abbr=on|lk=on|order=flip}} (estimated){{r|ned}}

| notes =

| names = {{odlist | name= ESO 375- G 037 | MCG= -06-23-032 | PGC= 30859}}{{cite simbad|title=NGC 3258|accessdate=2021-02-19}}

}}

NGC 3258 is an elliptical galaxy in the constellation Antlia. It is a member of the Antlia Cluster, which lies about {{convert|40.7|Mpc|e6ly|1|abbr=off|lk=on}} away.{{cite journal

| last1 = Dirsch

| first1 = B.

| last2 = Richtler

| first2 = T.

| last3 = Bassino

| first3 = L. P.

| date=September 2003

| title = The globular cluster systems of NGC 3258 and NGC 3268 in the Antlia cluster

| journal = Astronomy and Astrophysics

| format = PDF

| arxiv = astro-ph/0307200

| volume = 408

| issue = 3

| pages = 929–939

| bibcode = 2003A&A...408..929D

| doi = 10.1051/0004-6361:20031027

| s2cid = 763415

| access-date = March 10, 2012

| url = http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003A%26A...408..929D&link_type=ARTICLE&db_key=AST&high=

}} It was discovered by British astronomer John Herschel on 2 May 1834.{{cite web|url=http://cseligman.com/text/atlas/ngc32a.htm#3258|title=New General Catalogue objects: NGC 3250 - 3299|author=Seligman, Courtney|website=cseligman.com|accessdate=2021-02-19}}

One supernova has been observed in NGC 3258: SN{{nbsp}}2010hx (Type{{nbsp}}Ia, mag. 15.3) was discovered by Berto Monard (bio-fr) on 16 September 2010.{{cite journal|bibcode=2010CBET.2460....1M |title=Supernova 2010hx in NGC 3258 |last1=Monard |first1=L. A. G. |journal=Central Bureau Electronic Telegrams |date=2010 |volume=2460 |page=1 | url = http://www.cbat.eps.harvard.edu/iau/cbet/002400/CBET002460.txt}}{{cite web | website=Transient Name Server | title=SN{{nbsp}}2010hx | url=https://www.wis-tns.org/object/2010hx | publisher = IAU | access-date=2 January 2025}}