19458+4622 ES 2681 AB

Coord 2000	19458+4622		Discov num	ES 2681		Comp	AB		Coord arcsec 2000	19 45 46.56 +46 22 13.9
Date first	1908		Date last	2015		Obs	9
Pa first	164		Pa last	164.8		P.A. Now (θ)	164.8°
Sep first	26.7		Sep last	27.189		Sep. Now (ρ)	27.189"
Mag pri	9.53		Mag sec	13.02		delta mag (ΔM)	3.49		Spectral class	K0 (yellow-orange)
Pri motion ra	+002		Sec motion ra	-004
Pri motion dec	+012		Sec motion dec	-003
Notes	N (See Notes)

rPM=1.328 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 45 47 +46 22 14	ES 2681 AB	2015	9	165	27.2	9.53	13.02	3.49		<===
Show			19 45 47 +46 22 14	ES 2674 AC	2015	14	312	26.5	9.53	11.46	1.93

Triple system
3 estimated visually detectable stars in this system

Constellation

Cygnus

Tycho2

3557-00928-1

Gaia DR2

2080237138888100736

discov_num	notes	refcode
ES 2674	ARG 86. Incorrectly listed in WDS as 19095+4103. Espin's 1908 measure	Es_1909a
	was erroneously attributed to Argelander, leading to the ARG 86
	designation.

refcode	metd	author	reference
Es_1909a	Mb j	Espin, T.E.	1909MNRAS..69..218E
Es_1909a		MNRAS 69, 218, 1909 (ES 610 - 704)

idgroup	discov	author
1	ES	Espin, T.E.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19458+4622	ES 2681	AB	1998	2	165	27.0	9.53	12.80	K0	D	194546.56+462213.9
19458+4622	ES 2681	AB	2007	3	165	27.1	9.53	12.80	K0	N D	194546.56+462213.9
19458+4622	ES 2681	AB	2015	5	165	27.2	9.53	13.02	K0	N	194546.56+462213.9

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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