20023+6438 STTA200AB (65 Dra)

Coord 2000	20023+6438		Discov num	STTA200		Comp	AB		Coord arcsec 2000	20 02 20.16 +64 38 03.8
Date first	1875		Date last	2018		Obs	27
Pa first	338		Pa last	332		P.A. Now (θ)	332°
Sep first	96.7		Sep last	98.9		Sep. Now (ρ)	98.9"
Mag pri	6.36		Mag sec	8.06		delta mag (ΔM)	1.7		Spectral class	G7III: (yellow)
Pri motion ra	+042		Sec motion ra	+042
Pri motion dec	+012		Sec motion dec	+011
Notes	N T (See Notes, Parallax indicates physical)

Visually invisible, K-band or other infrared star rPM=0.023 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	65 Dra	18669	20023+6438	STTA200	AB	1875	2018	27	332	98.9	6.36	8.06	1.70		<===
Show		18669	20023+6438	STTA200	AC	1905	2018	8	190	27.0	6.36	11.70	5.34

Triple system
3 visible stars in this system

Precise pa	332.3		Precise sep	98.939		Name	65 Dra		Constellation	Draco
SAO	18669		HIP	98658		Tycho2	4240-00150-1		Gaia DR2	22077719296
HD	190713		HR	7682		GC	27829		BD	BD+64 1407
Flamsteed	65 Draconis		Flamsteed name	65 Dra		Distance	110.5		Distance ly	360.45

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20023+6438	STTA200	AB	1999	23	333	98.6	6.36	8.06	G7III:	N D	200220.16+643803.8
20023+6438	STTA200	AB	2003	25	333	98.8	6.36	8.06	G7III:	N D	200220.16+643803.8
20023+6438	STTA200	AB	2017	26	332	99.3	6.36	8.06	G7III:	N	200220.16+643803.8
20023+6438	STTA200	AB	2018	27	332	98.9	6.36	8.06	G7III:	NT	200220.16+643803.8

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