Course Details

Geodetical Astronomy and Space Geodesy I

Academic Year 2023/24

HE01 course is part of 1 study plan

N-P-C-GK / GD Winter Semester 1st year

Astronomical coordinate systems.
Apparent movement (day and night).
Time and time systems, standard epochs, calendar.
Transformation of coordinates and their differential changes.
Changes in equatorial coordinates, astronomical refraction.
Star catalogs (FK5, FK6, Hipparcos, Tycho2, UCAC-3) and almanacs.
Geodetic Astronomy – principle of the methods. Instruments and equipment.

Course Guarantor

Institute

Objective

Introduction of Spherical Astronomy, coordinate systems, time counting and measurement, basic tasks and methods of Geodetic Astronomy, instruments of classical Geodetic Astronomy.

Knowledge

The goal of subject are knowledges from Spherical Astronomy, coordinate and time systems, time conversions and basic tasks and methods of Geodetic Astronomy.

Syllabus

1.Entrance in Geodetic Astronomy.
2.Astronomical coordinate systems and their reciprocal transformations.
3.Incidence of Earth rotation.
4.Time and time systems.
5.Julian date and standard epochs, calendar.
6.Mean and apparent places of stars.
7.Methods of apparent places of stars computation.
8.Earth pole motion.
9.Conventional reference coordinate system.
10.Basic tasks of Geodetic Astronomy.
11.Instruments in Geodetic Astronomy.
12.Very Long Baseline Interferometry
13.Usage of Geodetic Astronomy

Prerequisites

Basic knowledge of surveying with particular view of angular measurements, knowledge of plane and spherical trigonometry, Newton’s gravitational law, theory of free nutation.

Language of instruction

Czech

Credits

5 credits

Semester

winter

Forms and criteria of assessment

course-unit credit and examination

Specification of controlled instruction, the form of instruction, and the form of compensation of the absences

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Offered to foreign students

Not to offer

Course on BUT site

Lecture

13 weeks, 2 hours/week, elective

Syllabus

1.Entrance in Geodetic Astronomy. 2.Astronomical coordinate systems and their reciprocal transformations. 3.Incidence of Earth rotation. 4.Time and time systems. 5.Julian date and standard epochs, calendar. 6.Mean and apparent places of stars. 7.Methods of apparent places of stars computation. 8.Earth pole motion. 9.Conventional reference coordinate system. 10.Basic tasks of Geodetic Astronomy. 11.Instruments in Geodetic Astronomy. 12.Very Long Baseline Interferometry 13.Usage of Geodetic Astronomy

Exercise

13 weeks, 2 hours/week, compulsory

Syllabus

Introduction. Instructions for observation - determination of astronomical azimuth using the Sun, task 1. Determination of astronomical azimuth using the Sun - observation. Determination of astronomical azimuth using the Sun - repeated observation. Interpolation, task 2. Transformation of spherical coordinates, task 3, test 1. Sunset and sunrise, task 4. Time and time systems, task 5. Visit of Brno city planetarium - demonstration of spherical astronomy phenomena. Astronomical refraction, task 6, test 2. Interpolation of apparent places of stars, task 7, test 3. Presentation of classical geodetic astronomy instruments.