Xi Bootis (Struve 1888)

Observation Notes:

This was a pale yellow primary with a dull red-orange secondary. They appeared to be separated by about 5 1st-diffraction ring radii.

Subject Xi Bootis (−1888)
Classification Double Star
Position (J2000) Bootes [RA: 14:51:23.4 / Dec: +19:06:01]*
Position Angle* 321° (1997)
Separation* 6.7″ (1997)
Magnitudes* 4.7 / 7.0
Spectral Types*
Date/Time SEP 03, 2006 – 10:15 PM MST (SEP 04, 2006 – 05:15 UT)
Observing Loc. Flagstaff, AZ – Home
Instrument Orion SVP 6LT Reflector (150 mm dia./1200 mm F/L)
Eyepieces/Mag. 10 mm + 2X Barlow (240X)
Conditions Partly cloudy, calm

Seeing 4/10
Transparency NELM Mag ~4.0
References The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996); Double Star Measurements (Alzner, 1998) via VizieR

*Based on published data.

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