NGC 3550

{{Short description|Galaxy in the constellation Ursa Major}}

{{Infobox galaxy

| name = NGC 3550

| image = 250px

| caption = SDSS image of NGC 3550

| epoch = J2000

| constellation name = Ursa Major

| ra = {{RA|11|10|38.26}}{{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|+28|46|02.2}}

| h_radial_v = 10336 km/s

| z = 0.035094

| dist_ly = {{cvt|150|Mpc|Mly|lk=on|order=flip}}{{cite journal|title=The GALEX Ultraviolet Atlas of Nearby Galaxies|last1=Gil de Paz|first1=Armando|last2=Boissier|first2=Samuel|last3=Madore|first3=Barry F.|last4=Seibert|first4=Mark|last5=Joe|first5=Young H.|last6=Boselli|first6=Alessandro|last7=Wyder|first7=Ted K.|last8=Thilker|first8=David|last9=Bianchi|first9=Luciana|display-authors=1|journal=The Astrophysical Journal Supplement Series|volume=173|issue=2|pages=185–255|date=December 2007|doi=10.1086/516636|bibcode=2007ApJS..173..185G|arxiv=astro-ph/0606440|s2cid=119085482}}

| group_cluster =

| type = S0{{cite web|url=http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC%203550|title=Search specification: NGC 3550|work=HyperLeda|publisher=Université Claude Bernard Lyon 1|accessdate=2021-02-02}}

| size =

| appmag_v = 13.22

| appmag_b = 14.12

| absmag_v =

| size_v =

| notes =

| names = {{odlist|UGC=6214|MCG=|PGC=33927}}{{cite simbad|title=NGC 3550|accessdate=2021-02-02}}

}}

NGC 3550 is a lenticular galaxy in the constellation Ursa Major.[http://spider.seds.org/ngc/revngcic.cgi?NGC3550 spider.seds.org] It was discovered on April 11, 1785, by William Herschel.{{cite web|url=http://cseligman.com/text/atlas/ngc35a.htm#3550|title=New General Catalogue objects: NGC 3550 - 3599|author=Seligman, Courtney|website=cseligman.com|accessdate=2021-02-02}} It is one of the brightest galaxies of the Abell 1185 galaxy cluster.