PGC 65543
{{Short description|Galaxy located in the constellation Indus}}
{{Infobox galaxy|name=PGC 65543|image=File:Ghostly galactic jellyfish (potw2318a).jpg|constellation name=Indus|z=0.047493|dist_ly=650 Mly (199.2 Mpc)|size=90,000 ly (estimated)|names=LEDA 65543, 2MASX J20511757-5249221, WINGS J205117.58-524921.5, JO175|caption=Hubble Space Telescope image of PGC 65543|epoch=J2000|ra=20h 51m 17.59s|dec=-52d 49m 21.50s|h_radial_v=14,238 km/s|size_v=0.46' x 0.41'|type=Sa|appmag_v=0.09|appmag_b=0.12}}
PGC 65543 ( known as JO175), is a spiral galaxy, with extensive star forming regions, located in Indus.{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=225462&objname=1&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1 |access-date=2024-04-18 |website=ned.ipac.caltech.edu}}{{Cite web |title=PGC 65543 |url=https://simbad.u-strasbg.fr/simbad/sim-basic |access-date=2024-04-18 |website=simbad.u-strasbg.fr}} It is 650 million light-years away from the Solar System and approximately measuring 90,000 light-years in diameter. The tidal interactions from certain galaxies which PGC 65543 is moving towards to, have caused it to get distorted.{{Cite web |last=information@eso.org |title=Ghostly galactic jellyfish |url=https://www.spacetelescope.org/images/potw2318a/ |access-date=2024-04-18 |website=www.spacetelescope.org |language=en}} Its star-forming gas and dust are dynamically stripped by ram-pressure{{Cite journal |last1=Poggianti |first1=Bianca M |last2=Gullieuszik |first2=Marco |last3=Tonnesen |first3=Stephanie |last4=Moretti |first4=Alessia |last5=Vulcani |first5=Benedetta |last6=Radovich |first6=Mario |last7=Jaffé |first7=Yara |last8=Fritz |first8=Jacopo |last9=Bettoni |first9=Daniela |last10=Franchetto |first10=Andrea |last11=Fasano |first11=Giovanni |last12=Bellhouse |first12=Callum |last13=Omizzolo |first13=Alessandro |date=2018-11-05 |title=GASP XIII. Star formation in gas outside galaxies |journal=Monthly Notices of the Royal Astronomical Society |volume=482 |issue=4 |pages=4466–4502 |doi=10.1093/mnras/sty2999 |doi-access=free |issn=0035-8711|arxiv=1811.00823 }}{{Cite journal |last1=Vulcani |first1=Benedetta |last2=Poggianti |first2=Bianca M. |last3=Gullieuszik |first3=Marco |last4=Moretti |first4=Alessia |last5=Tonnesen |first5=Stephanie |last6=Jaffé |first6=Yara L. |last7=Fritz |first7=Jacopo |last8=Fasano |first8=Giovanni |last9=Bettoni |first9=Daniela |date=2018-10-01 |title=Enhanced Star Formation in Both Disks and Ram-pressure-stripped Tails of GASP Jellyfish Galaxies |journal=The Astrophysical Journal |volume=866 |issue=2 |pages=L25 |doi=10.3847/2041-8213/aae68b |doi-access=free |arxiv=1810.05164 |bibcode=2018ApJ...866L..25V |issn=0004-637X}} and formed into tendrils that stretch outwards, thus gives an appearance of a jellyfish galaxy.{{Cite journal |last1=Poggianti |first1=B. M. |last2=Fasano |first2=G. |last3=Omizzolo |first3=A. |last4=Gullieuszik |first4=M. |last5=Bettoni |first5=D. |last6=Moretti |first6=A. |last7=Paccagnella |first7=A. |last8=Jaffé |first8=Y. L. |last9=Vulcani |first9=B. |last10=Fritz |first10=J. |last11=Couch |first11=W. |last12=D'Onofrio |first12=M. |date=2016-03-01 |title=Jellyfish Galaxy Candidates at Low Redshift |journal=The Astronomical Journal |volume=151 |issue=3 |pages=78 |doi=10.3847/0004-6256/151/3/78 |doi-access=free |arxiv=1504.07105 |bibcode=2016AJ....151...78P |issn=0004-6256}}{{Cite journal |last1=Gullieuszik |first1=Marco |last2=Giunchi |first2=Eric |last3=Poggianti |first3=Bianca M. |last4=Moretti |first4=Alessia |last5=Scarlata |first5=Claudia |last6=Calzetti |first6=Daniela |last7=Werle |first7=Ariel |last8=Zanella |first8=Anita |last9=Radovich |first9=Mario |last10=Bellhouse |first10=Callum |last11=Bettoni |first11=Daniela |last12=Franchetto |first12=Andrea |last13=Fritz |first13=Jacopo |last14=Jaffé |first14=Yara L. |last15=McGee |first15=Sean L. |date=2023-03-01 |title=UV and Hα HST Observations of Six GASP Jellyfish Galaxies |journal=The Astrophysical Journal |volume=945 |issue=1 |pages=54 |doi=10.3847/1538-4357/acb59b |doi-access=free |arxiv=2301.08279 |bibcode=2023ApJ...945...54G |issn=0004-637X}}