Table of Contents
108 relations: Accuracy and precision, Adaptive optics, Alex Filippenko, Angle, Angular diameter, Arc length, ASCII, Astrometry, Astronomical seeing, Astronomical unit, Astronomy, Azimuth, Babylonia, Babylonian astronomy, Ball (association football), Binary star, Cadastral surveying, Calibration, Cardinal direction, Cartography, Celestial navigation, Confidence interval, Decimal, Declination, Degree (angle), Degree symbol, Diffraction-limited system, Dime (United States coin), Dimensionless quantity, Earth ellipsoid, Ecliptic coordinate system, Eiffel Tower, Epitaxy, Equator, Equatorial coordinate system, European Space Agency, Figure of the Earth, Firearm, Foot (unit), Full moon, Gaia (spacecraft), Geographical mile, Global Positioning System, Gradian, Great circle, Horizontal coordinate system, Hubble Space Telescope, Imperial units, Inch, Latitude, ... Expand index (58 more) »
- Units of plane angle
Accuracy and precision
Accuracy and precision are two measures of observational error.
See Minute and second of arc and Accuracy and precision
Adaptive optics
Adaptive optics (AO) is a technique of precisely deforming a mirror in order to compensate for light distortion.
See Minute and second of arc and Adaptive optics
Alex Filippenko
Alexei Vladimir "Alex" Filippenko (born July 25, 1958) is an American astrophysicist and professor of astronomy at the University of California, Berkeley.
See Minute and second of arc and Alex Filippenko
Angle
In Euclidean geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.
See Minute and second of arc and Angle
Angular diameter
The angular diameter, angular size, apparent diameter, or apparent size is an angular distance describing how large a sphere or circle appears from a given point of view.
See Minute and second of arc and Angular diameter
Arc length
Arc length is the distance between two points along a section of a curve.
See Minute and second of arc and Arc length
ASCII
ASCII, an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
See Minute and second of arc and ASCII
Astrometry
Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
See Minute and second of arc and Astrometry
Astronomical seeing
In astronomy, seeing is the degradation of the image of an astronomical object due to turbulence in the atmosphere of Earth that may become visible as blurring, twinkling or variable distortion.
See Minute and second of arc and Astronomical seeing
Astronomical unit
The astronomical unit (symbol: au, or AU) is a unit of length defined to be exactly equal to.
See Minute and second of arc and Astronomical unit
Astronomy
Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos.
See Minute and second of arc and Astronomy
Azimuth
An azimuth (from the directions) is the horizontal angle from a cardinal direction, most commonly north, in a local or observer-centric spherical coordinate system.
See Minute and second of arc and Azimuth
Babylonia
Babylonia (𒆳𒆍𒀭𒊏𒆠) was an ancient Akkadian-speaking state and cultural area based in the city of Babylon in central-southern Mesopotamia (present-day Iraq and parts of Syria and Iran).
See Minute and second of arc and Babylonia
Babylonian astronomy
Babylonian astronomy was the study or recording of celestial objects during the early history of Mesopotamia.
See Minute and second of arc and Babylonian astronomy
Ball (association football)
A football is the ball used in the sport of association football.
See Minute and second of arc and Ball (association football)
Binary star
A binary star or binary star system is a system of two stars that are gravitationally bound to and in orbit around each other.
See Minute and second of arc and Binary star
Cadastral surveying
Cadastral surveying is the sub-field of cadastre and surveying that specialises in the establishment and re-establishment of real property boundaries.
See Minute and second of arc and Cadastral surveying
Calibration
In measurement technology and metrology, calibration is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy.
See Minute and second of arc and Calibration
Cardinal direction
The four cardinal directions, or cardinal points, are the four main compass directions: north, south, east, and west, commonly denoted by their initials N, S, E, and W respectively.
See Minute and second of arc and Cardinal direction
Cartography
Cartography (from χάρτης chartēs, 'papyrus, sheet of paper, map'; and γράφειν graphein, 'write') is the study and practice of making and using maps.
See Minute and second of arc and Cartography
Celestial navigation
Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the surface of the Earth without relying solely on estimated positional calculations, commonly known as dead reckoning.
See Minute and second of arc and Celestial navigation
Confidence interval
Informally, in frequentist statistics, a confidence interval (CI) is an interval which is expected to typically contain the parameter being estimated.
See Minute and second of arc and Confidence interval
Decimal
The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the standard system for denoting integer and non-integer numbers.
See Minute and second of arc and Decimal
Declination
In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.
See Minute and second of arc and Declination
Degree (angle)
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. Minute and second of arc and degree (angle) are units of plane angle.
See Minute and second of arc and Degree (angle)
Degree symbol
The degree symbol or degree sign,, is a glyph or symbol that is used, among other things, to represent degrees of arc (e.g. in geographic coordinate systems), hours (in the medical field), degrees of temperature or alcohol proof.
See Minute and second of arc and Degree symbol
Diffraction-limited system
In optics, any optical instrument or systema microscope, telescope, or camerahas a principal limit to its resolution due to the physics of diffraction.
See Minute and second of arc and Diffraction-limited system
Dime (United States coin)
The dime, in United States usage, is a ten-cent coin, one tenth of a United States dollar, labeled formally as "one dime".
See Minute and second of arc and Dime (United States coin)
Dimensionless quantity
Dimensionless quantities, or quantities of dimension one, are quantities implicitly defined in a manner that prevents their aggregation into units of measurement.
See Minute and second of arc and Dimensionless quantity
Earth ellipsoid
An Earth ellipsoid or Earth spheroid is a mathematical figure approximating the Earth's form, used as a reference frame for computations in geodesy, astronomy, and the geosciences.
See Minute and second of arc and Earth ellipsoid
Ecliptic coordinate system
In astronomy, the ecliptic coordinate system is a celestial coordinate system commonly used for representing the apparent positions, orbits, and pole orientations of Solar System objects.
See Minute and second of arc and Ecliptic coordinate system
Eiffel Tower
The Eiffel Tower (Tour Eiffel) is a wrought-iron lattice tower on the Champ de Mars in Paris, France.
See Minute and second of arc and Eiffel Tower
Epitaxy
Epitaxy (prefix epi- means "on top of”) refers to a type of crystal growth or material deposition in which new crystalline layers are formed with one or more well-defined orientations with respect to the crystalline seed layer.
See Minute and second of arc and Epitaxy
Equator
The equator is a circle of latitude that divides a spheroid, such as Earth, into the Northern and Southern hemispheres.
See Minute and second of arc and Equator
Equatorial coordinate system
The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects.
See Minute and second of arc and Equatorial coordinate system
European Space Agency
The European Space Agency (ESA) is a 22-member intergovernmental body devoted to space exploration.
See Minute and second of arc and European Space Agency
Figure of the Earth
In geodesy, the figure of the Earth is the size and shape used to model planet Earth.
See Minute and second of arc and Figure of the Earth
Firearm
A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and used by an individual.
See Minute and second of arc and Firearm
Foot (unit)
The foot (standard symbol: ft) is a unit of length in the British imperial and United States customary systems of measurement.
See Minute and second of arc and Foot (unit)
Full moon
The full moon is the lunar phase when the Moon appears fully illuminated from Earth's perspective.
See Minute and second of arc and Full moon
Gaia (spacecraft)
Gaia is a space observatory of the European Space Agency (ESA), launched in 2013 and expected to operate until 2025.
See Minute and second of arc and Gaia (spacecraft)
Geographical mile
The geographical mile is an international unit of length determined by 1 minute of arc (degree) along the Earth's equator.
See Minute and second of arc and Geographical mile
Global Positioning System
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force.
See Minute and second of arc and Global Positioning System
Gradian
In trigonometry, the gradianalso known as the gon, grad, or gradeis a unit of measurement of an angle, defined as one-hundredth of the right angle; in other words, 100 gradians is equal to 90 degrees. Minute and second of arc and gradian are units of plane angle.
See Minute and second of arc and Gradian
Great circle
In mathematics, a great circle or orthodrome is the circular intersection of a sphere and a plane passing through the sphere's center point.
See Minute and second of arc and Great circle
Horizontal coordinate system
The horizontal coordinate system is a celestial coordinate system that uses the observer's local horizon as the fundamental plane to define two angles of a spherical coordinate system: altitude and azimuth.
See Minute and second of arc and Horizontal coordinate system
Hubble Space Telescope
The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
See Minute and second of arc and Hubble Space Telescope
Imperial units
The imperial system of units, imperial system or imperial units (also known as British Imperial or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.
See Minute and second of arc and Imperial units
Inch
The inch (symbol: in or pprime) is a unit of length in the British Imperial and the United States customary systems of measurement.
See Minute and second of arc and Inch
Latitude
In geography, latitude is a coordinate that specifies the north–south position of a point on the surface of the Earth or another celestial body.
See Minute and second of arc and Latitude
Light-year
A light-year, alternatively spelled light year (ly or lyr), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km (Scientific notation: 9.4607304725808 × 1012 km), which is approximately 5.88 trillion mi.
See Minute and second of arc and Light-year
List of metric units
Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these.
See Minute and second of arc and List of metric units
Longitude
Longitude is a geographic coordinate that specifies the east–west position of a point on the surface of the Earth, or another celestial body.
See Minute and second of arc and Longitude
M24 Sniper Weapon System
The M24 Sniper Weapon System (SWS) or M24 is the military and police version of the Remington Model 700 rifle, M24 being the model name assigned by the United States Army after adoption as their standard sniper rifle in 1988.
See Minute and second of arc and M24 Sniper Weapon System
Marksman
A marksman is a person who is skilled in precision shooting.
See Minute and second of arc and Marksman
Meridian arc
In geodesy and navigation, a meridian arc is the curve between two points on the Earth's surface having the same longitude.
See Minute and second of arc and Meridian arc
Metes and bounds
Metes and bounds is a system or method of describing land, real property (in contrast to personal property) or real estate.
See Minute and second of arc and Metes and bounds
Metric prefix
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit.
See Minute and second of arc and Metric prefix
Metric system
The metric system is a decimal-based system of measurement.
See Minute and second of arc and Metric system
Milliradian
A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Minute and second of arc and milliradian are units of plane angle.
See Minute and second of arc and Milliradian
Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc, denoted by the symbol, is a unit of angular measurement equal to of one degree. Minute and second of arc and minute and second of arc are units of plane angle.
See Minute and second of arc and Minute and second of arc
Mosaicity
In crystallography, mosaicity is a measure of the spread of crystal plane orientations.
See Minute and second of arc and Mosaicity
Multiplicative inverse
In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x−1, is a number which when multiplied by x yields the multiplicative identity, 1.
See Minute and second of arc and Multiplicative inverse
Nautical mile
A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters.
See Minute and second of arc and Nautical mile
Navigation
Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another.
See Minute and second of arc and Navigation
Neptune
Neptune is the eighth and farthest known planet from the Sun.
See Minute and second of arc and Neptune
Ophthalmology
Ophthalmology is a clinical and surgical specialty within medicine that deals with the diagnosis and treatment of eye disorders.
See Minute and second of arc and Ophthalmology
Optical comparator
An optical comparator (often called just a comparator in context) or profile projector is a device that applies the principles of optics to the inspection of manufactured parts.
See Minute and second of arc and Optical comparator
Optical engineering
Optical engineering is the field of engineering encompassing the physical phenomena and technologies associated with the generation, transmission, manipulation, detection, and utilization of light.
See Minute and second of arc and Optical engineering
Optics
Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it.
See Minute and second of arc and Optics
Optometry
Optometry is a specialized health care profession that involves examining the eyes and related structures for defects or abnormalities.
See Minute and second of arc and Optometry
Parallax
Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight and is measured by the angle or half-angle of inclination between those two lines.
See Minute and second of arc and Parallax
Parsec
The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal to or (AU), i.e..
See Minute and second of arc and Parsec
Pluto
Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune.
See Minute and second of arc and Pluto
Prime (symbol)
The prime symbol, double prime symbol, triple prime symbol, and quadruple prime symbol are used to designate units and for other purposes in mathematics, science, linguistics and music.
See Minute and second of arc and Prime (symbol)
Prime meridian
A prime meridian is an arbitrarily-chosen meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°.
See Minute and second of arc and Prime meridian
Proper motion
Proper motion is the astrometric measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.
See Minute and second of arc and Proper motion
Quality control
Quality control (QC) is a process by which entities review the quality of all factors involved in production.
See Minute and second of arc and Quality control
R Doradus
R Doradus (HD 29712 or P Doradus) is a red giant variable star in the far-southern constellation Dorado, close to the border with Reticulum.
See Minute and second of arc and R Doradus
Radian
The radian, denoted by the symbol rad, is the unit of angle in the International System of Units (SI) and is the standard unit of angular measure used in many areas of mathematics. Minute and second of arc and radian are units of plane angle.
See Minute and second of arc and Radian
Radix
In a positional numeral system, the radix (radices) or base is the number of unique digits, including the digit zero, used to represent numbers.
See Minute and second of arc and Radix
Red giant
A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution.
See Minute and second of arc and Red giant
Reticle
A reticle, or reticule also known as a graticule, is a pattern of fine lines or markings built into the eyepiece of an optical device such as a telescopic sight, spotting scope, theodolite, optical microscope or the screen of an oscilloscope, to provide measurement references during visual inspections.
See Minute and second of arc and Reticle
Rifle
A rifle is a long-barreled firearm designed for accurate shooting and higher stopping power, with a barrel that has a helical or spiralling pattern of grooves (rifling) cut into the bore wall.
See Minute and second of arc and Rifle
Right ascension
Right ascension (abbreviated RA; symbol) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point in question above the Earth.
See Minute and second of arc and Right ascension
Sea level
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured.
See Minute and second of arc and Sea level
Sexagesimal
Sexagesimal, also known as base 60, is a numeral system with sixty as its base.
See Minute and second of arc and Sexagesimal
Shooting range
A shooting range, firing range, gun range or shooting ground is a specialized facility, venue, or field designed specifically for firearm usage qualifications, training, practice, or competitions.
See Minute and second of arc and Shooting range
Shot grouping
In shooting sports, a shot grouping, or simply group, is the collective pattern of projectile impacts on a target from multiple consecutive shots taken in one shooting session.
See Minute and second of arc and Shot grouping
Solid angle
In geometry, a solid angle (symbol) is a measure of the amount of the field of view from some particular point that a given object covers.
See Minute and second of arc and Solid angle
Spatiotemporal pattern
Spatiotemporal patterns are patterns that occur in a wide range of natural phenoma and are characterized by a spatial and temporal patterning.
See Minute and second of arc and Spatiotemporal pattern
Spheroid
A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.
See Minute and second of arc and Spheroid
Spotting scope
A spotting scope is a compact lightweight portable telescope optimized for detailed observation of distant objects.
See Minute and second of arc and Spotting scope
Steradian
The steradian (symbol: sr) or square radian is the unit of solid angle in the International System of Units (SI).
See Minute and second of arc and Steradian
Subtended angle
In geometry, an angle is subtended by an arc, line segment or any other section of a curve when its two rays pass through the endpoints of that arc, line segment or curve section.
See Minute and second of arc and Subtended angle
Sumer
Sumer is the earliest known civilization, located in the historical region of southern Mesopotamia (now south-central Iraq), emerging during the Chalcolithic and early Bronze Ages between the sixth and fifth millennium BC.
See Minute and second of arc and Sumer
Surveying
Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial two-dimensional or three-dimensional positions of points and the distances and angles between them.
See Minute and second of arc and Surveying
Synodic day
A synodic day (or synodic rotation period or solar day) is the period for a celestial object to rotate once in relation to the star it is orbiting, and is the basis of solar time.
See Minute and second of arc and Synodic day
Telescope
A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation.
See Minute and second of arc and Telescope
Telescopic sight
A telescopic sight, commonly called a scope informally, is an optical sighting device based on a refracting telescope.
See Minute and second of arc and Telescopic sight
Triton (moon)
Triton is the largest natural satellite of the planet Neptune.
See Minute and second of arc and Triton (moon)
Turn (angle)
The turn (symbol tr or pla) is a unit of plane angle measurement that is the angular measure subtended by a complete circle at its center. Minute and second of arc and turn (angle) are units of plane angle.
See Minute and second of arc and Turn (angle)
Venus
Venus is the second planet from the Sun.
See Minute and second of arc and Venus
Visual acuity
Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an animal's ability to recognize small details with precision.
See Minute and second of arc and Visual acuity
Visual angle
Visual angle is the angle a viewed object subtends at the eye, usually stated in degrees of arc.
See Minute and second of arc and Visual angle
Washington Monument
The Washington Monument is an obelisk on the National Mall in Washington, D.C., built to commemorate George Washington, a Founding Father of the United States, victorious commander-in-chief of the Continental Army from 1775 to 1783 in the American Revolutionary War, and the first President of the United States from 1789 to 1797.
See Minute and second of arc and Washington Monument
X-ray diffraction
X-ray diffraction is a generic term for phenomena associated with changes in the direction of X-ray beams due to interactions with the electrons around atoms.
See Minute and second of arc and X-ray diffraction
Yard
The yard (symbol: yd) is an English unit of length in both the British imperial and US customary systems of measurement equalling 3 feet or 36 inches.
See Minute and second of arc and Yard
See also
Units of plane angle
- Binary angular measurement
- Clock position
- Degree (angle)
- Gradian
- Milliradian
- Minute and second of arc
- Radian
- Turn (angle)
References
Also known as ARCSEC, Arc min, Arc minute, Arc minutes and seconds, Arc of minute, Arc sec, Arc second, Arc seconds, Arc-fourth, Arc-minute, Arc-minutes, Arc-sec, Arc-second, Arc-seconds, Arc-third, Arcfourth, Arcmin, Arcminute, Arcminutes, Arcsec (angle unit), Arcsec (unit), Arcsecond, Arcseconds, Arcthird, Asec (angle unit), Asec (unit), Fourths (angle), Micro-arcsecond, Micro-arcseconds, Microarcsecond, Milli arc-second, Milli-arcsec, Milli-arcsecond, Milliarc-second, Milliarcsec, Milliarcsecond, Milliarcseconds, Minut (angle), Minute (angle), Minute (arc), Minute of Angle, Minute of Arc, Minute of a circle, Minutes (angle), Minutes and seconds of arc, Minutes of angle, Minutes of arc, Moment of angle, Partes minutae primae, Partes minutae secundae, Second (angle), Second (arc), Second of angle, Second of arc, Seconds (angle), Seconds of arc, Sub-MOA, Thirds (angle), Μas.