20063+3454 POP  66AD

Coord 2000	20063+3454		Discov num	POP  66		Comp	AD		Coord arcsec 2000	20 06 16.21 +34 54 05.9
Date first	1941		Date last	2015		Obs	10
Pa first	348		Pa last	347		P.A. Now (θ)	347°
Sep first	44.1		Sep last	44.0		Sep. Now (ρ)	44"
Mag pri	10.45		Mag sec	12.75		delta mag (ΔM)	2.3		Spectral class	A0 (white)
Pri motion ra	-001		Sec motion ra	-002
Pri motion dec	-001		Sec motion dec	-003
Notes

rPM=0.62 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20063+3454	SEI 870	AB	1895	2015	11	2	6.5	10.48	12.00	1.52
Show			20063+3454	POP 66	AC	1941	2015	10	117	25.4	10.48	12.42	1.94
Show			20063+3454	POP 66	AD	1941	2015	10	347	44.0	10.45	12.75	2.30		<===

Quadruple system
4 visible stars in this system

Precise pa	347.2		Precise sep	44.002		Constellation	Cygnus		Tycho2	2679-02739-1
Gaia DR2	27826267392		HD	227660

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20063+3454	POP 66	AD	1998	4	347	44.0	10.48			D	200616.21+345405.9
20063+3454	POP 66	AD	2002	5	347	44.1	10.45	12.75		D	200616.21+345405.9
20063+3454	POP 66	AD	2015	6	347	44.0	10.45	12.75	A0		200616.21+345405.9

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