NGC 4221 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4221" in Chinese language version.

refsWebsite

Global rank Chinese rank

5web.archive.org

1^st place

3harvard.edu

18^th place

57^th place

3worldcat.org

5^th place

12^th place

2doi.org

2^nd place

23^rd place

1caltech.edu

887^th place

966^th place

1u-strasbg.fr

1,342^nd place

855^th place

1arxiv.org

69^th place

254^th place

1cseligman.com

low place

1iop.org

1,725^th place

1,164^th place

arxiv.org

Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. Groups of Galaxies in the Two Micron All Sky Redshift Survey. The Astrophysical Journal. 2007, 655 (2): 790–813. Bibcode:2007ApJ...655..790C. arXiv:astro-ph/0610732 . doi:10.1086/510201.

caltech.edu

ned.ipac.caltech.edu

Results for object NGC 4221 (NGC 4221). NASA/IPAC Extragalactic Database. California Institute of Technology. [2021-04-18]. （原始内容存档于2022-07-05）.

cseligman.com

Seligman, Courtney. New General Catalogue objects: NGC 4200 - 4249. cseligman.com. [2021-04-18]. （原始内容存档于2019-02-09）.

doi.org

Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. Groups of Galaxies in the Two Micron All Sky Redshift Survey. The Astrophysical Journal. 2007, 655 (2): 790–813. Bibcode:2007ApJ...655..790C. arXiv:astro-ph/0610732 . doi:10.1086/510201.
Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando. Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. The Astrophysical Journal. November 2000, 543 (1): 178–194 [2022-07-05]. ISSN 0004-637X. doi:10.1086/317070. （原始内容存档于2021-11-05）（英语）.

harvard.edu

ui.adsabs.harvard.edu

Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. Groups of Galaxies in the Two Micron All Sky Redshift Survey. The Astrophysical Journal. 2007, 655 (2): 790–813. Bibcode:2007ApJ...655..790C. arXiv:astro-ph/0610732 . doi:10.1086/510201.
Fouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members.. Astronomy and Astrophysics Supplement Series. 1992-05-01, 93: 211–233 [2022-07-05]. ISSN 0365-0138. （原始内容存档于2022-04-20）.
Garcia, A. M. General study of group membership. II. Determination of nearby groups.. Astronomy and Astrophysics Supplement Series. 1993-07-01, 100: 47–90 [2022-07-05]. ISSN 0365-0138. （原始内容存档于2022-04-15）.

iop.org

iopscience.iop.org

Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando. Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. The Astrophysical Journal. November 2000, 543 (1): 178–194 [2022-07-05]. ISSN 0004-637X. doi:10.1086/317070. （原始内容存档于2021-11-05）（英语）.

u-strasbg.fr

simbad.u-strasbg.fr

NGC 4221. SIMBAD. 斯特拉斯堡天文資料中心. [2021-04-18].

web.archive.org

Results for object NGC 4221 (NGC 4221). NASA/IPAC Extragalactic Database. California Institute of Technology. [2021-04-18]. （原始内容存档于2022-07-05）.
Fouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members.. Astronomy and Astrophysics Supplement Series. 1992-05-01, 93: 211–233 [2022-07-05]. ISSN 0365-0138. （原始内容存档于2022-04-20）.
Seligman, Courtney. New General Catalogue objects: NGC 4200 - 4249. cseligman.com. [2021-04-18]. （原始内容存档于2019-02-09）.
Garcia, A. M. General study of group membership. II. Determination of nearby groups.. Astronomy and Astrophysics Supplement Series. 1993-07-01, 100: 47–90 [2022-07-05]. ISSN 0365-0138. （原始内容存档于2022-04-15）.
Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando. Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. The Astrophysical Journal. November 2000, 543 (1): 178–194 [2022-07-05]. ISSN 0004-637X. doi:10.1086/317070. （原始内容存档于2021-11-05）（英语）.

worldcat.org

Fouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members.. Astronomy and Astrophysics Supplement Series. 1992-05-01, 93: 211–233 [2022-07-05]. ISSN 0365-0138. （原始内容存档于2022-04-20）.
Garcia, A. M. General study of group membership. II. Determination of nearby groups.. Astronomy and Astrophysics Supplement Series. 1993-07-01, 100: 47–90 [2022-07-05]. ISSN 0365-0138. （原始内容存档于2022-04-15）.
Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando. Nearby Optical Galaxies: Selection of the Sample and Identification of Groups. The Astrophysical Journal. November 2000, 543 (1): 178–194 [2022-07-05]. ISSN 0004-637X. doi:10.1086/317070. （原始内容存档于2021-11-05）（英语）.