19506+3255 BLL  42 (Chi Cyg)

Coord 2000	19506+3255		Discov num	BLL  42		Comp			Coord arcsec 2000	19 50 33.92 +32 54 50.6
Date first	1822		Date last	2015		Obs	14
Pa first	253		Pa last	255		P.A. Now (θ)	255°
Sep first	153.0		Sep last	154.2		Sep. Now (ρ)	154.2"
Mag pri	8.13		Mag sec	11.85		delta mag (ΔM)	3.72		Spectral class	S6+/1e (deep red)
Pri motion ra	-025		Sec motion ra	+001
Pri motion dec	-042		Sec motion dec	-001
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.993 This double is not physical.

Precise pa	255.1		Precise sep	154.202		Name	Chi Cyg		Constellation	Cygnus
SAO	68943		HIP	97629		Tycho2	2673-04643-1		Gaia DR2	12273209216
HD	187796		HR	7564		GC	27481		BD	BD+32 3593
Bayer	Chi Cygni		Bayer name	Chi Cyg		Distance	180.83		Distance ly	589.87

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19506+3255	BLL 42		1991	7	255	155.4	8.13	12.10	S6+/1e	N D	195033.92+325450.6
19506+3255	BLL 42		2002	9	255	154.7	8.13	12.10	S6+/1e	N D	195033.92+325450.6
19506+3255	BLL 42		2010	10	255	153.8	8.13	11.85	S6+/1e	N	195033.92+325450.6
19506+3255	BLL 42		2015	14	255	154.2	8.13	11.85	S6+/1e	N	195033.92+325450.6

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