21148+3803 JOD  20Fa,Fb

Coord 2000	21148+3803		Discov num	JOD  20		Comp	Fa,Fb		Coord arcsec 2000	21 14 46.86 +38 01 13.7
Date first	2008		Date last	2018		Obs	4
Pa first	18		Pa last	349		P.A. Now (θ)	349°
Sep first	0.4		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	12.20		Mag sec	13.80		delta mag (ΔM)	1.6		Spectral class	M2.5 (red)
Pri motion ra	+165		Sec motion ra
Pri motion dec	+436		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Tau Cyg	71121	21 14 47 +38 02 43	AGC 13 AB	2017	353	180	1.0	3.83	6.57	2.74	Y
Show		71121	21 14 47 +38 02 43	AGC 13 AC	2012	11	211	73.0	3.83	12.20	8.37
Show		71121	21 14 47 +38 02 43	AGC 13 AB,D	2004	15	208	205.4	3.83	9.94	6.11
Show		71121	21 14 47 +38 02 43	AGC 13 AE	2012	6	257	86.9	3.83	12.40	8.57
Show		71121	21 14 47 +38 02 43	AGC 13 AF	2012	37	184	89.5	3.83	11.95	8.12
Show		71121	21 14 47 +38 02 43	DAL 38 AG	2007	4	109	120.9	3.83	12.50	8.67
Show		71121	21 14 47 +38 02 43	LEP 100 AI	2002	2	77	534.5	3.83	16.02	12.19
Show		71121	21 14 47 +38 02 43	FYM 110 AJ	2012	3	127	49.7	3.83	14.00	10.17
Show		71121	21 14 47 +38 02 43	FYM 110 AK	2012	3	316	99.0	3.83	14.40	10.57
Show		71121	21 14 47 +38 02 43	FYM 110 AL	2012	2	290	32.8	3.83	14.90	11.07
Show		71121	21 14 57 +38 02 09	DAL 38 GH	2015	7	108	8.6	12.50	13.20	0.70
Show		71121	21 14 47 +38 01 14	JOD 20 Fa,Fb	2018	4	349	0.9	12.20	13.80	1.60		<===

13-fold system
13 visible stars in this system

Precise pa	349.2		Precise sep	0.912		Constellation	Cygnus		SAO	71121
Gaia DR2	1964791549015851648		HD	202444		HR	8130		DM	BD+37 4240
Flamsteed	65 Cygni		Flamsteed name	65 Cyg

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21148+3803	JOD 20	Fa,Fb	2008	1	18	0.4	12.20	13.80	M2.5	N	211446.86+380113.7
21148+3803	JOD 20	Fa,Fb	2018	4	349	0.9	12.20	13.80	M2.5	N	211446.86+380113.7

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