Second

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Related to Arc seconds: Milliarcsecond

Second

1. See: Second mortgage.

2. See: Second round.
References in periodicals archive ?
With the experiments a maximum angular deflection of 37.4 arc seconds is measured for the carriage without preload, while this value is 40 arc seconds in the simulations.
By measurement of the 2MASS data I derive a separation for components A and B of 9.3 arc seconds in position angle 67.4[degrees].
Many of the best sporting optics have resolving power in the 5 to 7 Arc Seconds range, and occasionally as little as 2 or 3.
Axis positioning accuracy is [+ or -]6 arc seconds; repeatability [+ or -]3 arc seconds.
7 OBSTACLES AND SVT DATA--Perspective's database is equipped with worldwide data with terrain resolution to 3 arc seconds or about 90 meters at the equator.
That translates into 8 arc seconds for flatness, not very accurate for today's ever-tightening tolerances," says Hamar.
With a 600-rpm rotation speed and an accuracy of plus/minus 15 arc seconds, the RL-H3C provides timesavings and job site performance.
These include pointing at 80 to 250 celestial targets with an accuracy of 5 to 10 arc seconds. The satellite will then be retrieved and returned to the shuttle cargo bay for use on later missions.
while the A-axis is [+ or -] 6 arc seconds and the C-axis is [+ or -] 4 arc seconds.
Ideal for motor and drive control in heavy duty industries and harsh environments, this encoder's ultra-precise optical scanning system delivers unrivaled Sin/Cos 1 V P-P output for exact positioning systems with absolute accuracy to 60 arc seconds at a high dynamic frequency.
The separation is 8 arc seconds and the position angle 212.