20230+3913 STTA206AD

Coord 2000	20230+3913		Discov num	STTA206		Comp	AD		Coord arcsec 2000	20 22 57.65 +39 12 39.7
Date first	1895		Date last	2019		Obs	9
Pa first	263		Pa last	260		P.A. Now (θ)	260°
Sep first	24.0		Sep last	24.5		Sep. Now (ρ)	24.5"
Mag pri	6.72		Mag sec	11.00		delta mag (ΔM)	4.28		Spectral class	B6III (blue-white)
Pri motion ra	+002		Sec motion ra	-002
Pri motion dec	+000		Sec motion dec	-008
Notes	N (See Notes)

rPM=1.085 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		69929	20 22 58 +39 12 40	STTA 206 AB	2019	34	255	43.7	6.72	8.63	1.91
Show		69929	20 22 58 +39 12 40	STTA 206 AD	2019	9	260	24.5	6.72	11.00	4.28		<===
Show		69927	20 22 54 +39 12 29	SEI 1107 BC	2015	11	69	19.3	8.63	10.60	1.97

Quadruple system
4 visible stars in this system

Precise pa	259.9		Precise sep	24.499		Constellation	Cygnus		SAO	69929
HIP	100518		Tycho2	3152-01826-1		Gaia DR2	2061237204309051904		HD	194206
BD	BD+38 4051		Distance	869.57		Distance ly	2836.54

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20230+3913	STTA206	AD	1998	5	260	24.4	6.72	11.00	B6III	N D	202257.65+391239.7
20230+3913	STTA206	AD	2002	6	262	24.4	6.72	11.00	B6III	N D	202257.65+391239.7
20230+3913	STTA206	AD	2013	7	260	24.8	6.72	11.00	B6III	N	202257.65+391239.7
20230+3913	STTA206	AD	2019	9	260	24.5	6.72	11.00	B6III	N	202257.65+391239.7

If you need more information about this double, apply for a data request form to the WDS.