Universe Guide

Antlia, Air Pump Constellation

Antlia Constellation Star Map

Antlia (Pronounciation:Ant-le-ah, Abbrev:Ant, Latin:Antliae) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Antlia takes up 238.901 sq. degrees of the night sky which equates to 0.58% of the night sky. Antlia is the 62nd largest in terms of size in the night sky.

The constellation name means Air Pump . It was not one of the original constellations that had been devised by Ptolemy, instead it was created by Abbé Nicolas Louis de Lacaille years later.

There are 4 stars that make up the main constellation. The hipparcos satellite scanned and detailed 688 stars. There are 22 stars that can be seen with the naked eye in the constellation on a very clear night sky.

Antlia is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Antlia is a southern hemispheric constellation which means it can't be seen easily or at all from the northern hemisphere.

There are 4 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. There is a dedicated page for exoplanets in Antlia.

There are no deep space objects that were identified by Charles Messier in this constellation. There are no non-Messier deep space objects in this constellation that are covered at present on this site.

The image at the top right of this page was generated using Night Vision, a free to use and download application by Brian Simspon.

Distance to Antlia

You can't just go to one location and arrive at the constellation because the constellation is made up of stars at different locations and different distances. The nearest main star in the constellation is at a distance of 190.07 light years and the furthest main star is a distance of 710.60 light years. The average distance to the main stars is 401.53 light years.

Antlia Star Facts

The caveat of these stars are that they are catalogued on this site. If you know of a star that is nearer or further then do let me know in the comments and I'll add it to the site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status.

HIP 48659, Antlia's Nearest Star

The nearest star to Earth is HIP 48659 which is roughly about 36.93 Light Years from the Earth. The nearest star to the Earth with an exoplanet is HD 93083 which is about 90.85 Light Years.

HIP 47907, Antlia's Furthest Star

The furthest star that is located in the constellation is HIP 47907 and it is 163081.7 light years away from the Sun. The furthest figure is derived from either the 1997 or 2007 Hipparcos star catalogue parallax figure and it has been known to produce distances that are wrong.

HD 83441, Antlia's Dimmest Visible Star

The dimmest star that can be seen in Antlia with the naked eye is HD 83441. The dim star has an apparent magnitude of 5.96. The dimmest star that a person is able to see with their naked eye is 6.0 magnitude based on the table in the reference. Ref: University of Michigan.

Antlia's Mythology

There is no Greek mythological legend behind this constellation. Antlia, the Air Pump is not an old constellation that was created by Ptolmey but one created by Nicolas-Louis de Lacaille. Nicolas named the constellation in honour of the Air-Pump which had just been created by fellow Frenchman, Denis Papin. It is a faint constellation and there was not much point in devising a constellation for it at the time.

How to Find and View Antlia in the Night Sky

Northern Hemisphere

Antlia bares appears in the northern hemisphere as far north as London. If you want to see it, you would need to go south of London. The only major star from Antlia is Alpha Antliae which only appears in April / May time.

Southern Hemisphere

Part of the constellation can be seen from January through to mid-July when it then ducks below the horizon. You have a better chance of see this minor constellation than your colleagues in the north.

Antlia Facts

Is a Zodiac Sign No
Brightest StarAlpha Antliae
Area238.901 sq. deg.
Percentage of Night Sky0.58%
Size Position62nd
Hemisphere Southern
Site Exoplanet Count4
Meteor Shower Count4
Nearest StarHIP 48659
Nearest Star with Exoplanet(s)HD 93083
Brightest StarAlpha Antliae
Dimmest StarHD 83441
Furthest StarHIP 47907
Bright Star Count22
Hipparcos Star Count688
Main Star Count4
Messier Deep Space Object Count0
Bordering / Neighbouring / Surrounding ConstellationsHydra

*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.

List of Deep Space Objects (Galaxies, Nebulas, Supernovas, etc) in Antlia

NameTypeDistanceDeclinationRight Ascension
IC2545Interacting Galaxies-33 53 05.5510 06 04m 581
NGC 3125Starburst Galaxy50,000,000-29:56:7.91"10h 6h 33m 30

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