20175+2909 POP1229Aa,Ab

Coord 2000	20175+2909		Discov num	POP1229		Comp	Aa,Ab		Coord arcsec 2000	20 17 31.54 +29 08 51.0
Date first	1989		Date last	1989		Obs	2
Pa first	220		Pa last	217		P.A. Now (θ)	217°
Sep first	0.4		Sep last	0.4		Sep. Now (ρ)	0.4"
Mag pri	6.40		Mag sec			delta mag (ΔM)			Spectral class	G8III (yellow)
Pri motion ra	-008		Sec motion ra
Pri motion dec	+016		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88473	20 17 32 +29 08 51	POP 1229 Aa,Ab	1989	2	217	0.4	6.40				<===
Show		88473	20 17 32 +29 08 51	BU 441 AB	2016	27	64	6.2	6.37	10.50	4.13

Triple system
2 visible stars in this system

Precise pa	216.5		Precise sep	0.4		Constellation	Vulpecula		SAO	88473
HIP	100018		Tycho2	2167-01351-1		Gaia DR2	1837183672612095360		HD	193094
HR	7760		BD	BD+28 3695		Distance	127.06		Distance ly	414.47

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20175+2909	POP1229	Aa,Ab	1989	2	220	0.4	6.40		G8III		201731.54+290851.0

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