20142+4744 ES  799AC

Coord 2000	20142+4744		Discov num	ES  799		Comp	AC		Coord arcsec 2000	20 14 13.97 +47 42 54.4
Date first	1901		Date last	2018		Obs	9
Pa first	46		Pa last	42		P.A. Now (θ)	42°
Sep first	31.4		Sep last	34.5		Sep. Now (ρ)	34.5"
Mag pri	10.98		Mag sec	11.40		delta mag (ΔM)	0.42		Spectral class
Pri motion ra	+009		Sec motion ra	+009
Pri motion dec	-030		Sec motion dec	-002
Notes

rPM=0.894 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20142+4744	ES 799	AB	1909	2018	4	14	2.2	10.98	11.10	0.12
Show			20142+4744	ES 799	AC	1901	2018	9	42	34.5	10.98	11.40	0.42		<===
Show			20142+4744	ES 799	CD	1909	2015	4	72	4.0	11.40	15.80	4.40

Quadruple system
4 visible stars in this system

Precise pa

42

Precise sep

34.519

Constellation

Cygnus

Gaia DR2

87536584960

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20142+4744	ES 799	AC	2006	5	223	33.7	10.98	11.40			201413.95+474253.9
20142+4744	ES 799	AC	2015	8	43	32.5	10.98	11.40			201413.97+474254.4
20142+4744	ES 799	AC	2018	9	42	34.5	10.98	11.40			201413.97+474254.4

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