Arp 7 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Arp 7" in English language version.

refsWebsite

Global rank English rank

887^th place

714^th place

low place

low place

1,342^nd place

1,819^th place

1web.archive.org

1^st place

1^st place

caltech.edu

ned.ipac.caltech.edu

"NASA/IPAC Extragalactic Database". Results for ARP 007. Archived from the original on 1997-12-22. Retrieved 2015-11-25.
Arp, Halton (1966). "Atlas of Peculiar Galaxies". Figure 1. Retrieved 2015-11-25.

cseligman.com

Seligman, Courtney. "Celestial Atlas: PCG Objects 24500 - 24999". Retrieved 2015-11-25.

u-strasbg.fr

simbad.u-strasbg.fr

SIMBAD Astronomical Database. Retrieved 2015-11-25. {{cite book}}: |work= ignored (help)

web.archive.org

"NASA/IPAC Extragalactic Database". Results for ARP 007. Archived from the original on 1997-12-22. Retrieved 2015-11-25.