20242+3516 POP1230AC

Coord 2000	20242+3516		Discov num	POP1230		Comp	AC		Coord arcsec 2000	20 24 16.17 +35 16 39.9
Date first	1945		Date last	2015		Obs	10
Pa first	149		Pa last	147		P.A. Now (θ)	147°
Sep first	47.0		Sep last	45.9		Sep. Now (ρ)	45.9"
Mag pri	9.90		Mag sec	11.67		delta mag (ΔM)	1.77		Spectral class
Pri motion ra	-006		Sec motion ra	+001
Pri motion dec	-016		Sec motion dec	+009
Notes	N (See Notes)

rPM=1.519 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 24 16 +35 16 40	ES 2303 AB	2016	12	23	5.3	10.80	12.20	1.40
Show			20 24 16 +35 16 40	POP 1230 AC	2015	10	147	45.9	9.90	11.67	1.77		<===

Triple system
3 visible stars in this system

Precise pa	147		Precise sep	45.945		Constellation	Cygnus		Tycho2	2693-00181-1
Gaia DR2	2057170484451471488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20242+3516	POP1230	AC	1972	2	149	47.6	10.80				202416.17+351639.9
20242+3516	POP1230	AC	2009	3	148	47.0	10.80				202416.17+351639.9
20242+3516	POP1230	AC	2015	6	147	46.0	9.90	11.67		N	202416.17+351639.9

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