"Heliographic" redirects here. For other uses, see Heliograph (disambiguation).
In solar observation and imaging, coordinate systems are used to identify and communicate locations on and around the Sun. Since the Sun is gaseous in nature, there are no permanent demarcated points that can be referenced.
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In solar observation and imaging, coordinatesystems are used to identify and communicate locations on and around the Sun. Since the Sun is gaseous in...
ecliptic coordinatesystem is a celestial coordinatesystem commonly used for representing the apparent positions, orbits, and pole orientations of Solar System...
selenographic coordinates for the Moon. The coordinatesystems for almost all of the solid bodies in the SolarSystem were established by Merton E. Davies of...
degrees (°). The first galactic coordinatesystem was used by William Herschel in 1785. A number of different coordinatesystems, each differing by a few degrees...
The equatorial coordinatesystem is a celestial coordinatesystem widely used to specify the positions of celestial objects. It may be implemented in spherical...
Differential rotation in stars Solarcoordinatesystems Magnetohydrodynamics Orbital period Tachocline Zell, Holly (2015-03-02). "Solar Rotation Varies by Latitude"...
The horizontal coordinatesystem is a celestial coordinatesystem that uses the observer's local horizon as the fundamental plane to define two angles:...
reference systems that are in use, and forms the basis for most others. Although latitude and longitude form a coordinate tuple like a cartesian coordinate system...
Coordinated Universal Time or UTC is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time...
spacetime coordinatesystem relative to an implied observer. In many (but not all) coordinatesystems, an event is specified by one time coordinate and three...
In astronomy, coordinatesystems are used for specifying positions of celestial objects (satellites, planets, stars, galaxies, etc.) relative to a given...
The selenographic coordinatesystem is used to refer to locations on the surface of Earth's moon. Any position on the lunar surface can be referenced...
within the SolarSystem. The orientation of the BCRS coordinatesystem coincides with that of the International Celestial Reference System (ICRS). Both...
{\displaystyle {\mathbf {k} }} are the basis vectors in the ECEF coordinatesystem. Now the cosine of the solar zenith angle, θ s {\displaystyle \theta _{s}} , is simply...
The solar azimuth angle is the azimuth (horizontal angle with respect to north) of the Sun's position. This horizontal coordinate defines the Sun's relative...
location. This is the coordinatesystem normally used to calculate the position of the Sun in terms of solar zenith angle and solar azimuth angle, and the...
photovoltaic cells that convert sunlight directly into electricity, solar thermal systems convert it into heat. They use mirrors or lenses to concentrate...
The perifocal coordinate (PQW) system is a frame of reference for an orbit. The frame is centered at the focus of the orbit, i.e. the celestial body about...
The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona. This plasma mostly consists of electrons...
Bibcode:2014Icar..229..340K. doi:10.1016/j.icarus.2013.11.015. "New CoordinateSystems for SolarSystem Bodies". International Astronomical Union. Retrieved 18 September...
1 is still contactable enroute to the Oort Cloud and has exited the SolarSystem, it is listed as "mission complete" because its primary task of studying...
(primary coordinates) GPX (secondary coordinates) Solar Energy Generating Systems (SEGS) is a concentrated solar power plant in California, United States. With...
oldest solar power plant in the world is the 354-megawatt (MW) Solar Energy Generating Systems thermal power plant in California. The Ivanpah Solar Electric...
interplanetary spacecraft in the SolarSystem. It is equivalent to the proper time experienced by a clock at rest in a coordinate frame co-moving with the barycenter...
equinoxes. Formation and evolution of the SolarSystem Invariable plane Protoplanetary disk Celestial coordinatesystem Strictly, the plane of the mean orbit...
Geocentric coordinatesystems used in geodesy can be divided naturally into two classes: The inertial reference systems, where the coordinate axes retain...