20056+6342 STF2642AB

Coord 2000	20056+6342		Discov num	STF2642		Comp	AB		Coord arcsec 2000	20 05 35.38 +63 42 19.5
Date first	1832		Date last	2019		Obs	88
Pa first	165		Pa last	191		P.A. Now (θ)	191°
Sep first	2.5		Sep last	1.8		Sep. Now (ρ)	1.8"
Mag pri	9.34		Mag sec	9.41		delta mag (ΔM)	0.07		Spectral class	G0 (yellow)
Pri motion ra	+204		Sec motion ra	+204
Pri motion dec	+150		Sec motion dec	+150
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		18703	20 05 35 +63 42 20	STF 2642 AB	2019	88	191	1.8	9.34	9.41	0.07		<===
Show		18703	20 05 35 +63 42 20	STF 2642 AC	2003	4	34	68.6	9.34	12.59	3.25

Triple system
3 visible stars in this system

Precise pa	190.8		Precise sep	1.76		Constellation	Draco		SAO	18703
HIP	98967		Tycho2	4236-02482-1		Gaia DR2	2244314823859249536		HD	191310
BD	BD+63 1595		Distance	68.26		Distance ly	222.66

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20056+6342	STF2642	AB	1999	61	187	1.9	9.34	9.41	G0	D	200535.00+634217.7
20056+6342	STF2642	AB	2009	62	189	1.8	9.34	9.41	G0	D	200535.00+634217.7
20056+6342	STF2642	AB	2012	69	190	1.8	9.34	9.41	G0	D	200535.00+634217.7
20056+6342	STF2642	AB	2016	77	191	1.8	9.34	9.41	G0		200535.38+634219.5
20056+6342	STF2642	AB	2019	87	191	1.8	9.34	9.41	G0		200535.38+634219.5

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