20295+8105 BUP 212BC

Coord 2000	20295+8105		Discov num	BUP 212		Comp	BC		Coord arcsec 2000	20 30 21.91 +81 08 22.1
Date first	1896		Date last	2004		Obs	7
Pa first	309		Pa last	293		P.A. Now (θ)	293°
Sep first	108.2		Sep last	100.4		Sep. Now (ρ)	100.4"
Mag pri	8.74		Mag sec	12.30		delta mag (ΔM)	3.56		Spectral class	G5 (yellow)
Pri motion ra	+068		Sec motion ra	+021
Pri motion dec	+219		Sec motion dec	-006
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.002 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	74 Dra	3413	20295+8105	STT 593	AB	1851	2015	20	36	214.4	6.07	8.74	2.67
Show		3415	20295+8105	BUP 212	BC	1896	2004	7	293	100.4	8.74	12.30	3.56		<===

Triple system
3 visible stars in this system

Precise pa	292.7		Precise sep	100.391		Constellation	Draco		SAO	3415
HIP	101166		Tycho2	4597-00711-1		Gaia DR2	01895214720		BD	BD+80 662
Distance	68.92		Distance ly	224.82

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20295+8105	BUP 212	BC	1999	6	293	100.5	8.74	12.30	G5	D	203021.91+810822.1
20295+8105	BUP 212	BC	2004	7	293	100.4	8.74	12.30	G5	N D	203021.91+810822.1

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