- Psi Sagittarii
Starbox short
name=ψ Sagittarii
epoch=J2000.0
constell=Sagittarius
ra=19h 15m 32.4s
dec=-25° 15' 24"
spectral=K0III + A8V
appmag_v=+4.86
dist_ly=330 ± 37
dist_pc=101 ± 11
names=42 Sagittarii, HR 7292,
HD 179950, SAO 187882,
HIP 94643, ADS 12214,
CCDM 19155-2515Psi Sagittarii (ψ Sgr / ψ Sagitarii) is a
binary star in theconstellation Sagittarius. Thestar system is 330light years fromEarth . The two stars are separated by 0.15arcseconds on the sky, which puts them approximately 15Astronomical Units apart. The star system has a combinedapparent magnitude of +4.86. The orbital period of the system is 18.8 years.The two components have similar luminosities, with apparent magnitudes of +5.6 and +5.7.
Stellar classification is somewhat uncertain. The stars have been classified as either a type A8 dwarf with a type G8 or K0 giant companion, or else a type F2 dwarf with an F7 giant companion.
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