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nrao vla sky survey wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 references toggle the table of contents nrao vla sky survey 2 languages deutsch hrvatski edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia astronomical survey this article needs more citations please help improve this article by adding citations to reliable sources unsourced material may be challenged and removed find sources nrao vla sky survey news newspapers books scholar jstor november 2015 learn how and when to remove this message nrao vla sky survey alternative names nvss website www cv nrao edu nvss edit on wikidata the nrao vla sky survey nvss was an astronomical survey of the northern hemisphere carried out by the very large array vla of the national radio astronomy observatory nrao resulting in an astronomical catalogue it was led by james j condon 1 the survey covers 82 sky consisting of everything north of declination 40 degrees the observations were made in d and dnc configuration at 1 4 gigahertz 21 cm with an angular resolution of 45 arcsec 1 it was proposed at the same time as the faint images of the radio sky at twenty centimeters and test observations for both surveys were taken in 1992 2 observations were made between september 1993 and october 1996 1 the southern hemisphere was covered by a similar catalogue called the sydney university molonglo sky survey sumss generated using the molonglo observatory synthesis telescope citation needed references edit 1 2 3 condon j j et al the nrao vla sky survey the astronomical journal 1998 volume 151 issue 2 pp 1693 1716 http adsabs harvard edu abs 1998aj 115 1693c becker robert h white richard l helfand david j 1 january 1994 the vla s first survey astronomical data analysis software and systems iii 61 165 bibcode 1994aspc 61 165b v t e radio surveys cambridge radio surveys 1c 2c 3c 4c 5c 6c 7c 8c 9c 10c very large array nrao vla sky survey faint images of the radio sky at twenty centimeters extragalactic sources galex arecibo sdss survey hipass ohio sky survey pulsars palfa survey galactic surveys c band all sky survey v t e astronomical surveys photographic digitized sky survey dss the int photometric h alpha survey iphas ngs poss palomar distant solar system survey pdsss sluggs infra red 2mass akari astro f infrared astronomical satellite iras ukirt infrared deep sky survey ukidss scuba 2 all sky survey vista wide field infrared survey explorer wise radio c bass galex arecibo sdss survey gass hipass nvss ohio sky survey palfa survey spectroscopic 2df galaxy redshift survey 2dfgrs 6df galaxy survey 6dfgs calar alto legacy integral field area survey califa cfa redshift survey dark energy survey des deep2 redshift survey deep2 galaxy and mass assembly survey gama lamost las campanas redshift survey sloan digital sky survey sdss vimos vlt deep survey vvds wigglez category commons portals astronomy stars outer space retrieved from https en wikipedia org w index php title nrao_vla_sky_survey oldid 1280696170 category astronomical catalogues hidden categories articles with short description short description matches wikidata articles needing additional references from november 2015 all articles needing additional references articles with infoboxes completely from wikidata all articles with unsourced statements articles with unsourced statements from january 2017 this page was last edited on 15 march 2025 at 23 12 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents nrao vla sky survey 2 languages add topic