20097+4130 HDS2871 (AY Cyg)

Coord 2000	20097+4130		Discov num	HDS2871		Comp			Coord arcsec 2000	20 09 44.23 +41 29 36.5
Date first	1991		Date last	1991		Obs	1
Pa first	228		Pa last	228		P.A. Now (θ)	228°
Sep first	0.2		Sep last	0.2		Sep. Now (ρ)	0.2"
Mag pri	10.54		Mag sec	11.15		delta mag (ΔM)	0.61		Spectral class	C (red carbon star)
Pri motion ra	+003		Sec motion ra
Pri motion dec	-005		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	228		Precise sep	0.216		Var name	AY Cyg		Constellation	Cygnus
HIP	99336		Tycho2	3158-01444-1		Gaia DR2	94605155200		BD	BD+41 3632
Distance	2222.22		Distance ly	7248.88

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20097+4130	HDS2871		1991	1	228	0.2	10.54	11.15	N0v		200944.23+412936.5

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