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Reticulum

Index Reticulum

Reticulum is a small, faint constellation in the southern sky. [1]

42 relations: Alpha Reticuli, Apparent magnitude, Barney and Betty Hill, Beta Reticuli, Binary star, Cambridge University Press, Cape of Good Hope, Celestial globe, Chinthamani Ragoonatha Chary, Christopher Columbus, Constellation, Constellation family, Declination, Dorado, Epsilon Reticuli, Eugène Joseph Delporte, Exoplanet, Horologium (constellation), Hydrus, India, International Astronomical Union, Isaac Habrecht II, Latin, Light-year, Madras Observatory, Mira variable, Net (device), NGC 1559, Nicolas-Louis de Lacaille, Parallax, R Reticuli, R-process, Reticle, Reticulum II, Right ascension, South Pole, Stellar classification, Type Ia supernova, Ufology, White dwarf, Zeta Reticuli, 23rd parallel north.

Alpha Reticuli

Alpha Reticuli (Alpha Ret, α Reticuli, α Ret) is the Bayer designation of the brightest star in the southern circumpolar constellation of Reticulum, with an apparent visual magnitude of 3.3.

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Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Barney and Betty Hill

Barney and Betty Hill were an American couple who claimed they were abducted by extraterrestrials in a rural portion of the state of New Hampshire from September 19 to September 20, 1961.

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Beta Reticuli

Beta Reticuli (Beta Ret, β Reticuli, β Ret) is binary star system in southern constellation of Reticulum.

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Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Cape of Good Hope

The Cape of Good Hope (Kaap die Goeie Hoop, Kaap de Goede Hoop, Cabo da Boa Esperança) is a rocky headland on the Atlantic coast of the Cape Peninsula, South Africa.

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Celestial globe

Celestial globes show the apparent positions of the stars in the sky.

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Chinthamani Ragoonatha Chary

Chinthamani Ragoonatha Chary (1822 or "17 March" 1828 – 5 February 1880) was an Indian astronomer who worked at the Madras Observatory along with N.R. Pogson.

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Christopher Columbus

Christopher Columbus (before 31 October 145120 May 1506) was an Italian explorer, navigator, and colonizer.

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Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

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Constellation family

Constellation families are collections of constellations sharing some defining characteristic, such as proximity on the celestial sphere, common historical origin, or common mythological theme.

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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.

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Dorado

Dorado (English pronunciation) is a constellation in the southern sky.

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Epsilon Reticuli

Epsilon Reticuli (Epsilon Ret, ε Reticuli, ε Ret) is a double star approximately 59 light-years away in the constellation of Reticulum.

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Eugène Joseph Delporte

Eugène Joseph Delporte (10 January 1882 – 19 October 1955) was a Belgian astronomer born in Genappe.

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Exoplanet

An exoplanet or extrasolar planet is a planet outside our solar system.

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Horologium (constellation)

Horologium is a faint constellation in the southern sky.

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Hydrus

Hydrus is a small constellation in the deep southern sky.

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India

India (IAST), also called the Republic of India (IAST), is a country in South Asia.

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International Astronomical Union

The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.

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Isaac Habrecht II

Isaac Habrecht II (1589–1633) was a professor of astronomy and mathematics in Strasbourg.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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Madras Observatory

The Madras Observatory was an astronomical observatory which had its origins in a private observatory set up by William Petrie in 1786 and later moved and managed by the British East India Company from 1792 in Madras (now known as Chennai).

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Mira variable

Mira variables ("Mira", Latin, adj. - feminine form of adjective "wonderful"), named for the prototype star Mira, are a class of pulsating variable stars characterized by very red colours, pulsation periods longer than 100 days, and amplitudes greater than one magnitude in infrared and 2.5 magnitude at visual wavelengths.

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Net (device)

A net, in its primary meaning, comprises fibers woven in a grid-like structure.

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NGC 1559

NGC 1559 is a barred spiral galaxy in the constellation Reticulum.

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Nicolas-Louis de Lacaille

Abbé Nicolas-Louis de Lacaille, formerly sometimes spelled de la Caille, (15 March 1713 – 21 March 1762) was a French astronomer.

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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 semi-angle of inclination between those two lines.

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R Reticuli

R Reticuli (R Ret) is a Mira variable star in the constellation Reticulum.

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R-process

The rapid neutron-capture process, or so-called r-process, is a set of nuclear reactions that in nuclear astrophysics is responsible for the creation (nucleosynthesis) of approximately half the abundances of the atomic nuclei heavier than iron, usually synthesizing the entire abundance of the two most neutron-rich stable isotopes of each heavy element.

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Reticle

A reticle, or reticule, also known as a graticule, is a pattern of fine lines or markings built into the eyepiece of a sighting device, such as a telescopic sight in a telescope, a microscope, or the screen of an oscilloscope, to provide references during visual examination.

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Reticulum II

Reticulum II (or Reticulum 2) is an old dwarf galaxy in the Local Group.

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Right ascension

Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.

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South Pole

The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's axis of rotation intersects its surface.

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Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

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Type Ia supernova

A type Ia supernova (read "type one-a") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf.

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Ufology

Ufology is the study of reports, visual records, physical evidence, and other phenomena related to unidentified flying objects (UFO).

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White dwarf

A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter.

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Zeta Reticuli

Zeta Reticuli (Zeta Ret, ζ Reticuli, ζ Ret) is a wide binary star system in the southern constellation of Reticulum.

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23rd parallel north

The 23rd parallel north is a circle of latitude that is 23 degrees north of the Earth's equatorial plane.

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Redirects here:

Reticulum (constellation), Reticulum constellation.

References

[1] https://en.wikipedia.org/wiki/Reticulum

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