antlia constellation meaning

antlia constellation meaning插图

The pump

What does Antlia mean in Greek?

Antlia is a small, faint constellation located in the southern skies. Its name is an ancient Greek word for “the pump.” The constellation was originally named Antlia Pneumatica, to commemorate the invention of the air pump, which it represents.

What is the mythology associated with the constellation Antlia?

There is no mythology associated with Antlia. It was too far south and too faint to be noticed by the ancient Greeks. It is one of the 14 constellations named by French astronomer Abb Nicolas Louis de Lacaille in the 18th century to fill in empty spaces in the southern hemisphere.

What does the constellation Antlia pneumatica mean?

Its name is an ancient Greek word for “the pump.” The constellation was originally named Antlia Pneumatica, to commemorate the invention of the air pump, which it represents.

How many stars are in Antlia?

Antlia contains one formally named star. The star name approved by the International Astronomical Union (IAU) is Macondo (HD 93083). Antlia belongs to the Lacaille family of constellations, along with Caelum, Circinus, Fornax, Horologium, Mensa, Microscopium, Norma, Octans, Pictor, Reticulum, Sculptor, and Telescopium.

Why is the constellation Antlia called Antlia?

Its name is an ancient Greek word for “the pump.”. The constellation was originally named Antlia Pneumatica, to commemorate the invention of the air pump, which it represents. Antlia was created and catalogued by the French astronomer Abbé Nicolas Louis de Lacaille in the 18th century, along with 13 other constellations introduced by Lacaille …

Why is Antlia named after the constellation?

There is a story behind the naming of this quirky constellation — Antlia was originally named antlia pneumatica by French astronomer Abbé Nicolas Louis de Lacaille, in honor of the invention of the air pump in the 17th century. Image: Hubble/European Space Agency and NASA.

How many galaxies are in the Antlia cluster?

Antlia Cluster, image: Atlas of the Universe (CC BY-SA 3.0) The Antlia Cluster contains about 234 galaxies and is dominated by two massive elliptical galaxies, NGC 3258 and NGC 3268. The northern subgroup of galaxies inside the cluster gravitates around NGC 3268, while the southern subgroup is centered on NGC 3258.

What are the members of the Antlia Cluster?

Members of the Antlia Cluster include the massive elliptical galaxies NGC 3258 and NGC 3268, the elliptical galaxy NGC 3260, the lenticular galaxies NGC 3269 and NGC 3267, the spiral galaxy NGC 3281, and the barred spiral NGC 3271, the brightest spiral galaxy in the cluster.

What are the constellations in Lacaille named after?

Lacaille’s constellations are mostly named after scientific instruments and there are no myths attached to them. Notable deep sky objects in Antlia include the Antlia Dwarf Galaxy, the Antlia Cluster of Galaxies, the spiral galaxies NGC 3244 and IC 2560, the unbarred spiral NGC 2997, and the interacting pair IC 2545.

How far away is the Antlia galaxy?

The Antlia Dwarf, sometimes also referred to as the Antlia Dwarf Galaxy, is a dwarf spheroidal galaxy located about 4.3 million light years from Earth. It is a very faint object, with an apparent magnitude of 16.2. The galaxy was not discovered until 1997.

How many stars are in Antlia?

Antlia has two stars with known planets, HD 93083 (spectral class K2V) and WASP-66 (F4V). There are no meteor showers associated with Antlia. The constellation does not contain any Messier objects. Antlia contains one formally named star.

Who founded the Antlia constellation?

The Antlia constellation is one of fourteen constellations discovered by Frenchman Nicolas Lacaille. It’s full name was actually originally Antlia Pneumatica, obviously after the pneumatic air pump. However later down the line, this name was shortened simply to Antlia, which was a much better option for the constellation.

How can I see Antlia in the sky?

Although it’s definitely more visible from the South, it’s still possible to see this constellation in the Northern hemisphere. The best time of year to see Antlia is definitely during the Spring time.

What is the name of the faint star in the constellation Iota Antliae?

Iota Antliae (ι) – Another faint star in this constellation is known as Iota Antilae. It’s an evolved red clump giant star which has 12x the radius of our Sun and 1.5x it’s mass. It’s also more than 3 billion years old.

What type of star is the main sequence star?

The main star is an F-type main sequence star. As well as these stars, you’ll also find the NGC 2997 Nebula in the Antlia constellation too. It’s also an unbarred spiral galaxy. The galaxy is approximately 40 million light years away from us.

Where is the NGC 2997?

As well as these stars, you’ll also find the NGC 2997 Nebula in the Antlia constellation too. It’s also an unbarred spiral galaxy. The galaxy is approximately 40 million light years away from us.

What is the brightest star in the constellation Antlia?

Antlia is an extremely faint constellation with no stars brighter than magnitude 4. The brightest star in the constellation is Alpha Antilae with a visual magnitude of 4.28. It is an orange giant star located approximately 365 light years from Earth. The second brightest star is Epsilon Antilae with a magnitude of only 4.51. It is also an orange giant star that lies 700 light years from our Solar System. The third brightest star is Iota Antilae with a magnitude of 4.60. It is another orange giant star located about 199 light years away.

Where is the air pump located?

The constellation Antlia, the air pump, is located in the southern hemisphere of the sky. It can be seen at latitudes between 45 degrees and -90 degrees from January through March. It is a small constellation covering an area of 239 square degrees. It ranks 62nd in size among the 88 constellations in the night sky. It is bordered by the constellations Centaurus, Hydra, Pyxis, and Vela. Antlia occupies a mostly empty region of the sky and contains only faint stars. It requires a lot of imagination to see an air pump in this area.

Is Antlia a Messier galaxy?

Antlia contains no Messier object s but there are a few interesting deep-sky objects. The Antlia Dwarf is a spheroidal galaxy located approximately 4.3 million light years from our solar system. NGC 2997 is an unbarred spiral galaxy known as a grand design galaxy. This means that it has clearly-defined spiral arms that extend around it. Only ten percent of spiral galaxies are grand designs. The Antlia Cluster is a cluster of about 234 individual galaxies. These objects are extremely faint and can only be seen with large telescopes.

What are the stars in Antlia?

Other notable stars of interest in Antlia includes the binary star systems of Theta Antliae and Eta Antliae; the double star Delta Antliae; and the irregular variable star U Antliae, whose apparent magnitude of 5.5 varies in brightness by as much as 1.6.

How many times bigger is Epsilon Antilae than the Sun?

This roughly one billion year old star is 53 times bigger than the Sun, 2.2 more massive, and around 500 times more luminous. – Epsilon Antilae, the second brightest star in Antlia, is an orange giant 700 light years away that shines with an apparent magnitude of 4.51.

What is the brightest star in the constellation?

The constellation’s brightest star is Alpha Antliae, an orange giant 365 light years away with a visual magnitude of just 4.28.

Who was the first astronomer to study the southern sky?

History. During the 18th century, French astronomer Abbé Nicolas Louis de Lacaille set up an observatory in South Africa in order to study the southern sky. He subsequently named his 14 new constellations, with the exception of Mensa, after instruments of science and art, with Antlia representing an air pump.

What is the etymological connection of Antlos?

What then is the etymological connection of antlos? We can hardly hesitate to place it with the Latin sent-ina of the same meaning, (sigma) having fallen off [as in these examples eteos (Sanskrit satyas ), alokos (for salokos )… &c.]; they would thus originally have expressed stationary, as opposed to running, water. Uperantlos is of course formed from antlos and means “overcharged with bilge water” … [ The Hippolytus of Euripides, ed. by J.P. Mahaffy and J.B. Bury, 1881, Note 767]

What is an antlia?

Antlia is the vacuumpump, or air pump, “at the time, the air pump was a major scientific instrument, since one could make a vacuum with one” [ ]. Vacuum is from Indo-European root * eue- ‘To leave, abandon, give out, whence nominal derivatives meaning abandoned, lacking, empty’. Derivatives: wane, wanton, (these words from Old English wanian ), want, vain, vanity, vaunt, evanesce (to dissipate or disappear like vapor), vanish, (these words from Latin vanus, empty), evanescent, vacant, vacate, vacation, vacuity, vacuum, void, avoid, devoid, evacuate, (these words from Latin vacare, variant vocare, to be empty), waste (from Latin vastare, to make empty), devastate (from Latin vastus, empty, waste, from Latin evacuare ‘to empty’, from vacuus ‘empty’). [Pokorny 1. eue – 345. Watkins

Where does the word "antlia" come from?

The word Antlia comes from Latin antlia, pump, from Greek antlos, ‘ship’s hold, bilge water’. The Latins seemed to have used antlia for the pump, and had another word, sentina, which meant the bilge (lowest part of a ship), bilge water, a sink, it also had the meaning of ‘rabble’, ‘dregs of the population’ [ ]. A link between the two words; Greek antlos and Latin sentina is suggested:

What is the purpose of the air pump?

Boyle used his air-compressing pump to lead to the understanding of the laws of gas behavior and laws of thermodynamics. Air pumps were used to either fill something up with air (make high pressure) or to take air away (make a vacuum). Scientists could then study how air acted under different pressures. Using this pump, now known as vacuum pump and at the time also referred to as a ‘ pneumatic engine ‘ [ ], Boyle and Hooke noticed that vessels filled with air become warmer as their internal pressure is increased. In time the ideal gas law was formulated.

What does "pump" mean in French?

The word pump is said to be of imitative origin, related to French pompier, ‘fireman’, from pompe, ‘pump’, a fireman’s scaling ladder, and to the metaphoric extension as in ‘to pump ‘ someone for information. These words are not recognized cognates of pomp, pomposity, and pompous, meaning pumped up with self-importance, but if they were related, they would parallel the meanings in the words vain and vanity of the * eue root. Pomp, from Latin pompa, from Greek pompe ‘a sending, solemn procession’, related to pempein, ‘to send’, and pump, ‘a kind of shoe’, and apopemptic ‘pertaining to sending away’, ‘addressed to one who is departing’; as in ‘apopemptic hymns’. Pompholyx (of imitative origin), is a skin disease characterized by an eruption of vesicles — Latin, from Greek pompolux ‘bubble’, ‘blister’ (or maybe pimple ?), a blister, contains watery fluid pumped into a bubble (Antlia commemorates the air pump invented by Robert Boyle – boil). Pomp, from Greek pempein, ‘to send or “to bid a thing to be carried to one”. Jesus gave an order when he said: “Now draw (Greek antlesate) some [water] out, and take it to the chief steward” (v. 8).

Where is Antlia located?

Antlia lies north of the great Ship Argo Navis. The word Antlia comes from Latin antlia, pump, from Greek antlos, ‘ship’s hold, bilge water’. Greek hyperantlos ousa symphorai, is a metaphor taken from a ship which can no longer keep out water [ ]. The water that collects in the bilge must be pumped out if it becomes too full and threatens to sink the ship. The bilge is the rounded portion of a ship’s hull, forming a transition between the bottom and the sides, ‘lowest internal part of a ship’, also “the foulness which collects there”, variant of bulge ‘ship’s hull’, also ‘leather bag’, from Late Latin bulga, ‘leather sack’ [ ].

What does the word "pumper" mean?

There is an obsolete word pumper, meaning to break wind, from German dialectal pumpern, from which we get the word pumpernickel

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