NGC 660 (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 660" in Swedish language version.

refsWebsite

Global rank Swedish rank

2web.archive.org

1^st place

1^st place

887^th place

1,794^th place

1,342^nd place

709^th place

1books.google.com

3^rd place

37^th place

low place

low place

1spacetelescope.org

8,860^th place

low place

low place

low place

books.google.com

Chen, James L.; Chen, Adam (2015-07-16). A Guide to Hubble Space Telescope Objects: Their Selection, Location, and Significance. Springer. sid. 130. ISBN 978-3-319-18872-0. https://books.google.com/books?id=qj0wCgAAQBAJ&pg=PA130

caltech.edu

ned.ipac.caltech.edu

”NGC 0660”. NASA/IPAC Extragalactic Database. https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=ngc+660&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES. Läst 20 januari 2015.

nedipac.caltech.edu

”NASA/IPAC Extragalactic Database”. Results for NGC 47. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+47&img_stamp=yes&extend=no. Läst 25 november 2006.

noao.edu

”NGC 660”. National Optical Astronomy Observatory. Arkiverad från originalet den 21 januari 2015. https://web.archive.org/web/20150121030154/http://www.noao.edu/outreach/aop/observers/n660.html. Läst 20 januari 2015.

science20.com

”NGC 660 And A Rare Polar-Ring Galaxy”. Science 2.0. 18 oktober 2012. http://www.science20.com/news_articles/ngc_660_and_rare_polarring_galaxy-95411. Läst 20 januari 2015.

spacetelescope.org

Hubble Space Telescope. ”A bizarre cosmic rarity: NGC 660”. ESA & NASA. ESA. Arkiverad från originalet den 9 augusti 2018. https://web.archive.org/web/20180809041117/http://www.spacetelescope.org/images/potw1348a/. Läst 20 januari 2015.

u-strasbg.fr

simbad.u-strasbg.fr

http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+660. Hämtad 2021-07-06.

web.archive.org

Hubble Space Telescope. ”A bizarre cosmic rarity: NGC 660”. ESA & NASA. ESA. Arkiverad från originalet den 9 augusti 2018. https://web.archive.org/web/20180809041117/http://www.spacetelescope.org/images/potw1348a/. Läst 20 januari 2015.
”NGC 660”. National Optical Astronomy Observatory. Arkiverad från originalet den 21 januari 2015. https://web.archive.org/web/20150121030154/http://www.noao.edu/outreach/aop/observers/n660.html. Läst 20 januari 2015.