spectra omicron andromeda

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Observations date	equipment	grating
20180605	0.28-m f/10 - L200 - Trius SX814	1800 l/mm
20180708	0.28-m f/10 - L200 - Trius SX814	1800 l/mm
20180802	0.28-m f/10 - L200 - Trius SX814	1800 l/mm
20180808	0.28-m f/10 - L200 - Trius SX814	1800 l/mm
20180902	0.28-m f/10 - L200 - Trius SX814	1800 l/mm
20180927	0.28-m f/10 - LHiResIII - Trius SX814	2400 l/mm
20190608	0.28-m f/10 - LHiResIII - Trius SX814	2400 l/mm
20190723	0.28-m f/10 - LHiResIII - Trius SX814	2400 l/mm
20190818	0.28-m f/10 - LHiResIII - Trius SX814	2400 l/mm
20191201	0.28-m f/10 - LHiResIII - Trius SX814	2400 l/mm
20200611	0.28-m f/10 - LHiResIII - Trius SX814	2400 l/mm

Andromeda - Omicron Andromeda - HD217675 - magn. 3.62

Omicron Andromedae is a binary star, whose two components are both spectroscopic binaries themselves, making a four-star system. The system as a whole is classified as a blue-white B-type giant, with a mean combined apparent magnitude of +3.62.