20126+2539 DOO  15AB

Coord 2000	20126+2539		Discov num	DOO  15		Comp	AB		Coord arcsec 2000	20 12 33.27 +25 39 12.3
Date first	1900		Date last	2012		Obs	8
Pa first	302		Pa last	298		P.A. Now (θ)	298°
Sep first	127.8		Sep last	117.4		Sep. Now (ρ)	117.4"
Mag pri	7.47		Mag sec	11.03		delta mag (ΔM)	3.56		Spectral class	F5V (yellow-white)
Pri motion ra	+038		Sec motion ra	+068
Pri motion dec	+121		Sec motion dec	+009
Notes

rPM=0.914 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88353	20 12 33 +25 39 12	DOO 15 AB	2012	8	298	117.4	7.47	11.03	3.56		<===
Show		88353	20 12 25 +25 40 06	DOO 15 BC	2016	11	170	2.5	11.03	12.70	1.67
Show		88353	20 12 25 +25 40 06	OPI 22 BD	2012	2	245	45.8	11.03	13.50	2.47
Show		88353	20 12 25 +25 40 06	OPI 22 BE	2012	10	247	38.8	11.03	11.72	0.69

Quintuple system
5 visible stars in this system

Precise pa	298		Precise sep	117.35		Constellation	Vulpecula		SAO	88353
HIP	99581		Tycho2	2158-01023-1		Gaia DR2	1835513372695976064		HD	192144
BD	BD+25 4149		Distance	70.52		Distance ly	230.04

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20126+2539	DOO 15	AB	2002	5	298	118.5	7.47	11.03	F5V	D	201233.27+253912.3
20126+2539	DOO 15	AB	2009	6	298	117.4	7.47	11.03	F5V	D	201233.27+253912.3
20126+2539	DOO 15	AB	2012	8	298	117.4	7.47	11.03	F5V	D	201233.27+253912.3

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