NGC 1988 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1988" in Japanese language version.

refsWebsite

Global rank Japanese rank

18^th place

107^th place

low place

887^th place

1,620^th place

caltech.edu

“Results for object NGC 1988”. NASA / IPAC Extragalactic Database. Caltech. 2020年6月4日閲覧。

Seligman, Courtney. “New General Catalog Objects: NGC 1950 - 1999”. 2020年6月4日閲覧。

Corwin, H. G., Jr. (2004-11), “History and Accurate Positions for the NGC/IC Objects”, VizieR On-line Data Catalog: VII/239A, Bibcode: 2004yCat.7239....0C
Gaia Collaboration (2018-04), “Gaia DR2”, VizieR On-line Data Catalog: I/345, Bibcode: 2018yCat.1345....0G
Dreyer, J. L. E. (1888), “A New General Catalogue of Nebulæ and Clusters of Stars, being the Catalogue of the late Sir John F. W. Herschel, Bart, revised, corrected, and enlarged”, Memoir of the Royal Astronomical Society 49: 1-237, Bibcode: 1888MmRAS..49....1D