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- Abell_665 abstract "Abell 665 is a galaxy cluster in the Abell catalog. It is also known as the only cluster in his 1989 catalog to receive Abell's highest richness class of 5. This means that it contains at least 300 galaxies in the magnitude range of m3 to m3+2, where m3 is the magnitude of the 3rd brightest member of the cluster. The clusters in all other richness classes contain less than 300 such galaxies. Abell 665's combination of high brightness and large distance, made it an excellent candidate along with 37 other clusters to help determine the Hubble constant using the Sunyaev-Zel'dovich effect in 2006.Member velocity, cluster velocity dispersion, and X-ray data suggest that Abell 665 is composed of 2 similar-mass clusters which are at or very close to core crossing, give or take ≲ 0.5 Gyr.".
- Abell_665 thumbnail Abell_665_(Chandra).jpg?width=300.
- Abell_665 wikiPageID "35093839".
- Abell_665 wikiPageRevisionID "605213006".
- Abell_665 bmtype "III".
- Abell_665 brightestMember "2".
- Abell_665 caption "Chandra X-ray image of Abell 665".
- Abell_665 constellation Ursa_Major.
- Abell_665 credit NASA.
- Abell_665 epoch Epoch_(astronomy).
- Abell_665 flux "erg s-1 cm-2".
- Abell_665 hasPhotoCollection Abell_665.
- Abell_665 mass "~1015 M☉".
- Abell_665 name "Abell 665".
- Abell_665 redshift "0.1819".
- Abell_665 richness "5".
- Abell_665 temperature "7.7".
- Abell_665 velocityDispersion "1390.0".
- Abell_665 subject Category:Abell_objects.
- Abell_665 subject Category:Abell_richness_class_5.
- Abell_665 subject Category:Galaxy_clusters.
- Abell_665 comment "Abell 665 is a galaxy cluster in the Abell catalog. It is also known as the only cluster in his 1989 catalog to receive Abell's highest richness class of 5. This means that it contains at least 300 galaxies in the magnitude range of m3 to m3+2, where m3 is the magnitude of the 3rd brightest member of the cluster. The clusters in all other richness classes contain less than 300 such galaxies.".
- Abell_665 label "Abell 665".
- Abell_665 sameAs m.0j63d0l.
- Abell_665 sameAs Q4666705.
- Abell_665 sameAs Q4666705.
- Abell_665 wasDerivedFrom Abell_665?oldid=605213006.
- Abell_665 depiction Abell_665_(Chandra).jpg.
- Abell_665 isPrimaryTopicOf Abell_665.