Constellations: Indus 'the Native American Indian'

1 Conversation

I call to the South, to the land down below.

Turtle stands silent, as man strings his bow

to hunt food and fur for his kin before snow.

  - Spirit Wind

Latin:Indus
Genitive:Indi
Short form:Ind
Area:294 sq deg
Co-ordinates1:21h, -53°
Origin:Modern

Indus is a small southern constellation which made its debut in the 1603 Uranometria of Johann Bayer.

The constellation was named after the race of people that originally lived in the Americas. The first Native Americans in Tierra Del Fuego2 were members of four tribes. These were the Yaghan, the Ono, the Alacaloof, and the Aush. It was their fires that gave the region its name. Early explorers believed that all land from the Bahamas westward were part of the Indies. This is why they named the residents Indians, and when creating a constellation honouring the natives used that name. The image associated with the first maps of this constellation was of a native man holding some arrows. Unfortunately, in both North and South America the natives have been victims of diseases brought by the white man and also victim of the colonial expansion of white settlers. It is a tribute to their tenacity that Native Americans still exist.

Indus, which has no bright stars, is bordered by Pavo,

Grus,
Tucana, Microscopium, Octans, and Telescopium.

Pieter Dirkszoon Keyser


This Dutchman (born sometime in 1540) spent many hours in the crow's nest mapping the southern sky. Indus is one of a dozen constellations delineated by him and his friend Frederick de Houtman during their voyage to the southern seas between 1595 and 1597 on board the Hollandia. One year before the ship returned to Holland he was taken ill and died off Java. His fellow mapmaker Frederick de Houtman returned the information to Holland after Dirkszoon Keyser's death.

Stars

About 400 years ago Johann Bayer first started putting lower case Greek letters to the brightest stars, a naming convention that is still in use. In the table below you will find the Bayer designations in the Greek alphabet for this constellation.

Alpha Indi


This orange giant was once known as the Persian star. It is part of a multiple system. Telescopes first managed to split the image of Alpha Indi in the year 1896. The three stars in the system are spaced just over one arc minute apart. The second and third component stars are 12.0 and 13.5 magnitude respectively.

Epsilon Indi


The epsilon Indi system, which is 12 light years away, has a primary star, twin brown dwarfs3, and possibly planets. The brown dwarfs mass about 43 jovian units4 each and orbit around each other about 2 Astronomical Units apart at 1,500 Astronomical Units from the primary star. The now defunct Terrestrial Planet Finder (TPF) Observatory was scheduled to examine epsilon Indi as one of its prime targets.

Nu Indi


Nu Indi is a tight binary star. A blue white 6.0 magnitude star is seperated from a 6.1 magnitude yellowish-white star by only 0.1 seconds of arc.

StarDesignationCatalogue NumberBrightness (m)Distance
Mly
SC5
α Alpha HR7879+3.11101K0
β Beta HR7986+3.65603K1
θ ThetaHR8140+4.3997A5
δ Delta HR8368+4.4185F0
ε Epsilon HR8387+4.6912K4
ζ Zeta HR7952+4.89404K5
η Eta HR7920+4.5179A7
ι Iota HR7968+5.05567K1
κ-1 Kappa-1 HR8409+5.62514K4
κ-2 Kappa-2 HR8369+6.12217F3
μ Mu HR8055+5.16349K2
ν Nu HD211998+5.296110A3+F9
ο Omicron HR8333+5.53558K2
ρ Rho HD216437+6.0686 G4
γ Gamma HR8188+6.12415F1

Deep Space Objects

NGC 7038

The NGC7
is continually updated by the
NGCIC/IC Project.
Perhaps the prettiest deep space object in this constellation is the galaxy NGC 7038. This object occupies 1.1 x 0.6 arcminutes in size. In 1983 a supernova was seen in this galaxy.

CatalogueTypeMagnitudeDistance

(mega-light years)
Remarks
NGC 7029galaxy+11.5116fuzzy elliptical
NGC 7038galaxy+12.0210nice spiral
NGC 7041galaxy+11.279angular elliptical
NGC 7125galaxy+12.0134barred spiral
IC 5152 galaxy+10.25.8dwarf galaxy

Extrasolar Planets

A planetary system was found in this constellation 86.3 light years from Earth circling the star rho Indi. In that system
the planet (HD216437b) circles at a distance of 2.7 Astronomical Units and has a mass 2.1 jovian units.

1Current IAU guidelines use a plus sign (+) for northern constellations and a minus sign (−) for southern ones.2 Spanish for 'land of fire'.3 A brown dwarf is a star which is too small to fuse hydrogen but shines in the infra-red region by deuterium fusion and by gravitational heating.
4 A jovian unit is equal to the mass of the planet Jupiter.5spectral classification.6 combined value7 New General Catalogue of Nebulae and Star Clusters.

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