词条 | Abell 223 |
释义 |
| name = Abell 223 | image = | caption = | credit = | epoch = J2000 | constellation = Cetus | ra = {{RA|01|37|55.9}}[1] | dec = {{DEC|-12|49|11}}[1] | brightest_member = LEDA 947139[2] | member_no = | richness = 3[3] | bmtype = III[3] | velocity_dispersion = 1032 km/s[6] | redshift = 0.2079 ± 0.0008[6] | distance = {{convert|2.4|Mly|Mpc|abbr=on|lk=on}}[8] | temperature = 4.38 ± 0.16[4] | mass = | luminosity = | flux = | other_names = RXC J0137.9-1248[1] }} Abell 223 is a galaxy cluster. It is located at a distance of 2.4 billion light-years from Earth. The cluster is connected to nearby cluster Abell 222 by a filament of matter. Research has shown that only 20% of that matter is normal. The rest is thought to be dark matter.[5] See also
References1. ^1 2 {{cite simbad|title=ACO 223|access-date=26 November 2017}} {{Catalogs|Abell=223}}{{galaxy-cluster-stub}}2. ^{{cite simbad|title=2MASX J01375602-1249106|access-date=26 November 2017}} 3. ^1 {{cite journal|last1=Abell|first1=George O.|last2=Corwin|first2=Harold G., Jr.|last3=Olowin|first3=Ronald P.|date=May 1989|title=A catalog of rich clusters of galaxies|journal=Astrophysical Journal Supplement Series|volume=70|issue=May 1989|pages=1–138|url=http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?letter=.&classic=YES&bibcode=1989ApJS...70....1A&page=&type=SCREEN_VIEW&data_type=PDF_LOW&send=GET&filetype=.pdf|issn=0067-0049|doi=10.1086/191333}} 4. ^1 2 {{cite journal|doi=10.1051/0004-6361/201014566|title=The clusters Abell 222 and Abell 223: A multi-wavelength view|journal=Astronomy and Astrophysics|volume=517|pages=A94|year=2010|last1=Durret|first1=F|last2=Laganá|first2=T. F|last3=Adami|first3=C|last4=Bertin|first4=E|bibcode=2010A&A...517A..94D|arxiv=1005.3295}} 5. ^1 {{cite web |url=http://www.csmonitor.com/Science/2012/0705/Cosmic-scaffolding-uncovered-Scientists-find-thread-of-dark-matter |title=Cosmic scaffolding uncovered? Scientists find thread of dark matter. |author=Pete Spotts |date=5 July 2012|accessdate= 14 July 2012|work=The Christian Science Monitor|publisher=Christian Science Publishing Society}} 2 : Galaxy clusters|Abell objects |
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