Indus (constellation)
- Microscope
- ( Sagittarius )
- Telescope
- Peacock
- Octant
- Toucan
- Crane
The Indians (Latin Indus, occasionally incorrect "Indians ") is a constellation of the southern sky.
Description
The Indian is a little distinct constellation. Only two of its stars are brighter than the fourth magnitude. It is found between the two brightest stars of the constellations crane (Grus ) and Peacock (Pavo ).
The Indian is not visible from Europe. You can fully observe from locations south of the 16th degree of latitude him only.
History
The Indian is one of the constellations, which were introduced by the Dutch navigators Pieter Keyser and Frederick de Houtman Dirkszoon end of the 16th century. Johann Bayer, she took in his 1603 celestial atlas published Uranometria.
The constellation represents a Native American dar. On older star charts, such as that of Johannes Hevelius from 1690, he is depicted with a bow and arrow in hand.
Celestial objects
Stars
α Indi, the brightest star in the Indian, is a 120 light-years distant star of spectral type K0 III.
The name is of Arabic origin and means Alnair " the enlightened one ." This name also carries the star α Gruis in the constellation Crane.
β Indi is 400 light years away and is part of the spectral class K1 II.
ε Ind is 11.82 light years from one of the nearest neighbors of the sun. He has a low luminosity which is only about 13% of our sun. The star is accompanied by a faint brown dwarf.
Double stars
θ Indi is a 100 light-years distant binary star system. The two white glowing components can already be observed with a small telescope.
NGC objects
The Indians are the galaxies NGC 7049, NGC 7090 and NGC 7205: