20143+4648 ES   27

Coord 2000	20143+4648		Discov num	ES   27		Comp			Coord arcsec 2000	20 14 19.27 +46 48 19.6
Date first	1892		Date last	2015		Obs	22
Pa first	339		Pa last	339		P.A. Now (θ)	339°
Sep first	3.9		Sep last	3.8		Sep. Now (ρ)	3.8"
Mag pri	10.58		Mag sec	10.61		delta mag (ΔM)	0.03		Spectral class
Pri motion ra	-034		Sec motion ra	-034
Pri motion dec	-060		Sec motion dec	-060
Notes	N T (See Notes, Parallax indicates physical)

Visually invisible, K-band or other infrared star This double is physical.

Precise pa	338.8		Precise sep	3.76		Constellation	Cygnus		Tycho2	3559-02483-1
Gaia DR2	14344106496

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20143+4648	ES 27		2003	16	338	4.1	10.58	10.61		N D	201419.27+464819.6
20143+4648	ES 27		2014	18	340	4.0	10.58	10.61		N	201419.27+464819.6
20143+4648	ES 27		2015	19	339	3.8	10.58	10.61		N	201419.27+464819.6

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