20090+4045 HJ 1487AB

Coord 2000	20090+4045		Discov num	HJ 1487		Comp	AB		Coord arcsec 2000	20 09 03.33 +40 44 08.1
Date first	1828		Date last	2015		Obs	9
Pa first	290		Pa last	298		P.A. Now (θ)	298°
Sep first	6.0		Sep last	14.3		Sep. Now (ρ)	14.3"
Mag pri	10.60		Mag sec	13.60		delta mag (ΔM)	3		Spectral class	M4 (red)
Pri motion ra	+001		Sec motion ra	-006
Pri motion dec	-007		Sec motion dec	-001
Notes

rPM=1.304 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 09 03 +40 44 08	HJ 1487 AB	2015	9	298	14.3	10.60	13.60	3.00		<===
Show			20 09 03 +40 44 08	OPI 9003 AC	2015	11	195	60.1	10.60	11.30	0.70

Triple system
3 visible stars in this system

Precise pa	297.5		Precise sep	14.306		Constellation	Cygnus		Tycho2	3154-00367-1
Gaia DR2	2074501399046302720

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20090+4045	HJ 1487	AB	2006	4	298	14.3	10.60	13.60	M4		200903.33+404408.1
20090+4045	HJ 1487	AB	2015	5	298	14.3	10.60	13.60	M4		200903.33+404408.1

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