مسیه ۸۱ (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "مسیه ۸۱" in Persian language version.

refsWebsite

Global rank Persian rank

18^th place

50^th place

887^th place

842^nd place

1,342^nd place

1,126^th place

caltech.edu

NASA/IPAC Extragalactic Database (به انگلیسی) (Results for NGC 3031 ed.) Retrieved on 2006-11-10.

Jensen, Joseph B. ; Tonry, John L. ; Barris, Brian J. ; Thompson, Rodger I. ; Liu, Michael C. ; Rieke, Marcia J. ; Ajhar, Edward A. ; Blakeslee, John P. (February 2003 2003), "Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations", Astrophysical Journal (به انگلیسی), vol. 583, p. 712–726 {{citation}}: Check date values in: |تاریخ= (help); External link in |شاپا= (help)نگهداری یادکرد:نام‌های متعدد:فهرست نویسندگان (link)
I. D. Karachentsev, O. G. Kashibadze (2006), "Masses of the local group and of the M81 group estimated from distortions in the local velocity field", Astrophysics (به انگلیسی), vol. 49, p. 3–18 {{citation}}: External link in |شاپا= (help)

SIMBAD Astronomical Database (به انگلیسی) (Results for NGC 3031 ed.) Retrieved on 2006-11-10.