19509+3429 POP 13 AC

Coord 2000	19509+3429		Discov num	POP  13		Comp	AC		Coord arcsec 2000	19 50 53.54 +34 29 06.1
Date first	1990		Date last	2015		Obs	4
Pa first	273		Pa last	273.3		P.A. Now (θ)	273.3°
Sep first	9.1		Sep last	8.426		Sep. Now (ρ)	8.426"
Mag pri	13.10		Mag sec	14.20		delta mag (ΔM)	1.1		Spectral class
Pri motion ra	-008		Sec motion ra	-006
Pri motion dec	-016		Sec motion dec	+003
Notes	N (See Notes)

rPM=1.068 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 50 54 +34 29 06	POP 13 AB	2008	5	357	4.0	13.10	13.90	0.80
Show			19 50 54 +34 29 06	POP 13 AC	2015	4	273	8.4	13.10	14.20	1.10		<===

Triple system
3 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2035414933243619712

discov_num	notes	refcode
POP 13	AB was initially incorrectly associated with 19508+3430 SEI 696, with
	the Popovic AC measure thought to be a poor measure of SEI 696.	Pop1993

refcode	metd	author	reference
Pop1993	Ma u	Popovic, G.M. & Zulevic, D.J.	1993BOBeo.147...45P
Pop1993		Bull. Obs. Astron. Belgrade #147, 45, 1993

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19509+3429	POP 13	AC	2008	2	271	8.3	13.10	14.20		N	195053.54+342906.1
19509+3429	POP 13	AC	2015	4	273	8.4	13.10	14.20		N	195053.54+342906.1

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS