The altitudes of a star at upper and lower transits of a star are 70°20' and 20°40' respectively; both the transits being on the north side of zenith of the place. Find the declination of the star and the latitude of the place of observation.

The altitudes of a star at upper and lower transits of a star are 70°20' and 20°40' respectively; both the transits being on the north side of zenith of the place. Find the declination of the star and the latitude of the place of observation.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Control Survey and Geodetic reductions

Control surveys or survey controls are used to establish reference points as a basis for various construction activities. Vertical and horizontal control points are to be established in a control survey to increase accuracy. After establishing the control points, all other types of surveys such as topographic, right-of-way, aerial mapping, construction layout, boundary surveys, and utility mapping can be worked upon so that control networks can be formed. The place from which the observations are made is called a survey station.

Question

The altitudes of a star at upper and
lower transits of a star are 70°20' and
20°40' respectively; both the transits
being on the north side of zenith of the
place. Find the declination of the star
and the latitude of the place of
observation.

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