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J20000
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Sagittarius
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18<sup>h</sup> 20<sup>m</sup> 597<sup>s</sup>
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-29° 49' 41"
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K3III
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+272
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306 ± 27
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94 ± 8
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(δ Sgr / δ Sagittarii) is a
Star System in the
Constellation Sagittarius . It also has the traditional names '''Kaus Media''', '''Kaus Meridionalis''', and '''Media'''. Kaus Media is 306
Light Year s from
Earth and radiates with a total
Luminosity of 1180 times that of the
Sun . The radius of Delta Sgr is 62 times solar while its mass is about 5 times the
Solar Mass .
Kaus Media has an
Apparent Magnitude of +2.72 and belongs to the
Spectral Type K3. It has three dim companions:
- , a 14th magnitude star at a separation of 26 Arcsecond s,
- , a 15th magnitude star at a separation of 40 arcseconds, and
- , a 13th magnitude star at a separation of 58 arcseconds from the primary.
It is not certain that these stars form a physical system or whether they are merely aligned by chance.
In the Hindu system of Astrology, this star is also called "''Purvashada Nakshatra''".
