second

(redirected from Second of arc)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.

Related to Second of arc: Arcseconds

second

(Backer), noun advocate, aide, angel, backer, champion, endorser, patron, promoter, supporter

second

(Moment), noun before you know it, brief peeiod of time, flash, flash of an eyelid, instant

second

verb approve, assist, authorize, back, back up, confirm, endorse, favor, pass, ratify, receipt, recommend, sanction, stand behind, subscribe, support, validate, vote for, warrant
Associated concepts: second lien

SECOND. A measure equal to one sixtieth part of a minute. Vide Measure.

References in periodicals archive ?

As an extension of the VLT, the West German report proposes a 1-kilometerlong array of six to 12 telescopes that would be capable of resolving detail in visible light to one ten-thousandth of a second of arc, which is as well as radio VLBI now does.

Astronomy in West Germany goes supernational: the science of astronomy virtually demands international cooperation

0005 second of arc, agreeing well with the angular diameter of 0.

50 & 25 years ago

1 second of arc, and after a great deal of work, its images can be coaligned and made to coincide as well as astronomers would like.