NGC 227 (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 227" in Italian language version.

Last modified: 09:35:17, 27 March 2025 (UTC)

Ref.Un. Ref.Website

Global rank Italian rank

102caltech.edu

240^th place

249^th place

71astrovalleyfield.ca

low place

1,389^th place

51cseligman.com

1,720^th place

500^th place

31u-strasbg.fr

163^rd place

223^rd place

11researchgate.net

96^th place

155^th place

11doi.org

2^nd place

3^rd place

astrovalleyfield.ca (Global: low place; Italian: 1,389^th place)

(FR) Les données de «Revised NGC and IC Catalog by Wolfgang Steinicke», NGC 200 à 299, su astrovalleyfield.ca. URL consultato il 23 marzo 2024.

caltech.edu (Global: 240^th place; Italian: 249^th place)

ned.ipac.caltech.edu

(EN) NED results for object NGC 0227, su ned.ipac.caltech.edu, National Aeronautics and Space Administration / Infrared Processing and Analysis Center. URL consultato il 23 marzo 2024.
(EN) Results for object UGC 439, su ned.ipac.caltech.edu, NASA/IPAC Extragalactic Database. URL consultato il 23 marzo 2024.

cseligman.com (Global: 1,720^th place; Italian: 500^th place)

(EN) Courtney Seligman, Celestial Atlas Table of Contents, NGC 227, su cseligman.com. URL consultato il 23 marzo 2024.

doi.org (Global: 2^nd place; Italian: 3^rd place)

dx.doi.org

Abraham Mahtessian, Groups of galaxies. III. Some empirical characteristics (PDF), in Astrophysics, 41 #3, luglio 1998, pp. 308-321, DOI:10.1007/BF03036100. URL consultato il 23 marzo 2024.

researchgate.net (Global: 96^th place; Italian: 155^th place)

Abraham Mahtessian, Groups of galaxies. III. Some empirical characteristics (PDF), in Astrophysics, 41 #3, luglio 1998, pp. 308-321, DOI:10.1007/BF03036100. URL consultato il 23 marzo 2024.

u-strasbg.fr (Global: 163^rd place; Italian: 223^rd place)

simbad.u-strasbg.fr

SIMBAD Astronomical Database, in Strasbourg astronomical Data Center. URL consultato il 23 marzo 2024.

NGC 227 (Italian Wikipedia)

astrovalleyfield.ca (Global: low place; Italian: 1,389th place)

caltech.edu (Global: 240th place; Italian: 249th place)

ned.ipac.caltech.edu

cseligman.com (Global: 1,720th place; Italian: 500th place)

doi.org (Global: 2nd place; Italian: 3rd place)