NGC 623

{{Short description|Large elliptical galaxy in the constellation Sculptor}}

{{Infobox galaxy

| name = NGC 623

| image = File:NGC 619 NGC 623 legacy dr10.jpg

| caption = legacy surveys image of NGC 623 (left) and NGC 619 (right)

| epoch = J2000

| constellation name = Sculptor

| ra = {{RA|01|35|06.388}}{{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|-36|29|24.80}}

| z = 0.029871{{cite simbad|title=NGC 623|access-date=2020-05-19}}

| h_radial_v = 8821 km/s

| dist_ly = {{cvt|121.43|Mpc|Mly|order=flip|lk=on}}{{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 = E{{cite web|url=http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC%20623|title=Search specification: NGC 623|work=HyperLeda|publisher=Université Claude Bernard Lyon 1accessdate=2020-05-19}}/S0

| size = {{convert|246.49|kpc|ly|sigfig=3|abbr=off|lk=on}}
(diameter; 27.0 B-mag arcsec⁻²)

| appmag_v =

| appmag_b = 13.32

| absmag_v =

| notes =

| names = {{odlist | MCG= -06-04-052 | PGC= 5898 | name= ESO 353- G 023 | }}

}}

NGC 623 is a large elliptical galaxy located in the Sculptor constellation at a distance of about 400 million light-years away from the Milky Way. It was discovered by British astronomer John Herschel on 30 November 1837.{{Cite web|url=https://in-the-sky.org/data/object.php?id=NGC623|title=The galaxy NGC 623 - In-The-Sky.org|last=Ford|first=Dominic|website=in-the-sky.org|language=en|access-date=2020-04-04}}{{Cite web | url=http://spider.seds.org/ngc/revngcic.cgi?NGC623 | title=Revised NGC Data for NGC 623 | website=spider.seds.org | access-date=2020-04-04}}{{Cite web | url=https://ned.ipac.caltech.edu/byname?objname=ngc+623 | title=Results for object NGC 623 | website=ned.ipac.caltech.edu | access-date=2020-04-04}}{{cite web | url = https://cseligman.com/text/atlas/ngc6.htm#623 | title = New General Catalogue Objects: NGC{{nbsp}}623 | last = Seligman | first = Courtney | website = Celestial Atlas | access-date = 18 November 2024 }}