CHI SAGITTARII

The Bayer designation 'Chi Sagittarii' (χ Sgr / χ Sagittarii) is shared by three star systems in the constellation Sagittarius. The brightest of these, 'χ¹ Sagittarii' and 'χ³ Sagittarii' are separated by 0.56° on the sky. The dimmer 'χ² Sagittarii' is located between them, 0.10° from χ¹.

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χ¹ Sagittarii

χ² Sagittarii

χ³ Sagittarii

χ¹ Sagittarii

'Chi-1 Sagittarii' is a binary star. The primary is a spectral type A5 dwarf. The companion is approximately 0.12 arcseconds from the primary, putting it about 8 Astronomical Units away. The orbital period is 10.8 years. The combined apparent magnitude of the system is +5.02. It is approximately 220 light years from Earth.

χ² Sagittarii

'Chi-2 Sagittarii' is a spectral type B7 subgiant which has an apparent magnitude of +7.26. It is approximately 1200 light years from Earth.

χ³ Sagittarii

'Chi-3 Sagittarii' is a spectral type K3 giant which has an apparent magnitude of +5.45. It is 506 light years from Earth.