20214+3656 BLL  50

Coord 2000	20214+3656		Discov num	BLL  50		Comp			Coord arcsec 2000	20 21 21.88 +36 55 55.8
Date first	1880		Date last	2015		Obs	14
Pa first	111		Pa last	110		P.A. Now (θ)	110°
Sep first	124.7		Sep last	125.6		Sep. Now (ρ)	125.6"
Mag pri	9.54		Mag sec	9.82		delta mag (ΔM)	0.28		Spectral class	M4 (red)
Pri motion ra	+000		Sec motion ra	-003
Pri motion dec	-004		Sec motion dec	-007
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.557 Nature of this double is uncertain.

Precise pa	110		Precise sep	125.583		Constellation	Cygnus		Tycho2	2684-00522-1
Gaia DR2	48278709760

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20214+3656	BLL 50		2004	7	110	125.4	9.54	9.82	M4	N	202121.88+365555.8
20214+3656	BLL 50		2010	11	110	126.0	9.54	9.82	M4	N	202121.88+365555.8
20214+3656	BLL 50		2015	14	110	125.6	9.54	9.82	M4	N	202121.88+365555.8

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