{{Short description|Irregular galaxy in the constellation Caelum}} {{Infobox galaxy | name = PGC 16389 | image = A cosmic optical illusion.jpg | image_size = 250px | caption = Image taken using the Hubble Space Telescope | constellation name = Caelum | epoch = J2000 | ra = {{RA|04|56|58.7}}<ref name="NED">[http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=PGC16389&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES NASA/IPAC EXTRAGALACTIC DATABASE]</ref> | dec = {{DEC|-42|48|14}}<ref name="NED"/> | type = Irr<ref name="NED"/> | appmag_b = 14.4<ref name="NED"/> | size_v = 1.3′ × 1.3′<ref name="NED"/> | z = 0.002192 ± 0.000017 km/s<ref name="NED"/> | gal_v = 657 ± 5 km/s<ref name="NED"/> | dist_ly = {{convert|6.61|Mpc|Mly}}<ref name="NED"/> | names = 2MASX J02232199+3211492, ESO 252-IG1, AM 0455-425, PGC 16389 }}
'''LEDA/PGC 16389''' is a Hubble-type dwarf irregular galaxy (dIrr) in the constellation Caelum in the southern sky. It is estimated to be 22 million light-years from the Milky Way and forms an optical galaxy pair with APMBGC 252+125-117.
==References== {{reflist}}
==External links== * [http://cdsportal.u-strasbg.fr/?target=PGC+16389 CDS Portal] * [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=PGC16389 SIMBAD Astronomical Database] * [https://esahubble.org/images/potw1333a/ A cosmic optical illusion]
{{Stars of Caelum}} {{Catalogs|PGC=16389}}
{{DEFAULTSORT:PGC 16389}} 16389 Category:Dwarf irregular galaxies Category:Caelum
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