20135+3634 SEI1020AB

Coord 2000	20135+3634		Discov num	SEI1020		Comp	AB		Coord arcsec 2000	20 13 31.38 +36 33 47.6
Date first	1896		Date last	2015		Obs	11
Pa first	277		Pa last	276		P.A. Now (θ)	276°
Sep first	13.6		Sep last	13.9		Sep. Now (ρ)	13.9"
Mag pri	10.30		Mag sec	11.20		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	-004		Sec motion ra	-005
Pri motion dec	-004		Sec motion dec	-003
Notes

rPM=0.243 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 13 31 +36 33 48	SEI 1020 AB	2015	11	276	13.9	10.30	11.20	0.90		<===
Show			20 13 31 +36 33 48	SEI 1022 AC	2015	10	217	21.9	10.30	11.20	0.90

Triple system
3 visible stars in this system

Precise pa

276.3

Precise sep

13.911

Constellation

Cygnus

Gaia DR2

2060495545053171712

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20135+3634	SEI1020	AB	1999	5	276	13.9	10.50	11.00		D	201331.38+363347.6
20135+3634	SEI1020	AB	2002	6	276	13.9	10.30	11.20		D	201331.38+363347.6
20135+3634	SEI1020	AB	2010	7	276	14.0	10.30	11.20			201331.38+363347.6
20135+3634	SEI1020	AB	2015	7	276	13.9	10.30	11.20			201331.38+363347.6

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