20131+3411 STTA203

Coord 2000	20131+3411		Discov num	STTA203		Comp			Coord arcsec 2000	20 13 04.19 +34 11 25.1
Date first	1876		Date last	2019		Obs	23
Pa first	38		Pa last	37		P.A. Now (θ)	37°
Sep first	90.7		Sep last	88.4		Sep. Now (ρ)	88.4"
Mag pri	8.26		Mag sec	9.14		delta mag (ΔM)	0.88		Spectral class	A2V (white)
Pri motion ra	+010		Sec motion ra	+004
Pri motion dec	+009		Sec motion dec	-002
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.931 This double is not physical.

Precise pa	36.9		Precise sep	88.37		Constellation	Cygnus		SAO	69617
Tycho2	2679-02328-1		Gaia DR2	34330378112		HD	192321

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20131+3411	STTA203		2007	16	37	88.9	8.26	9.14	A2V	N D	201304.19+341125.1
20131+3411	STTA203		2010	18	37	88.6	8.26	9.14	A2V	N	201304.19+341125.1
20131+3411	STTA203		2015	19	37	88.5	8.26	9.14	A2V	N	201304.19+341125.1
20131+3411	STTA203		2019	23	37	88.4	8.26	9.14	A2V	N	201304.19+341125.1

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