19418+3611 ALI 158

Coord 2000	19418+3611		Discov num	ALI 158		Comp			Coord arcsec 2000	19 41 43.49 +36 11 13.8
Date first	1933		Date last	2016		Obs	8
Pa first	183		Pa last	179		P.A. Now (θ)	179°
Sep first	14.3		Sep last	15.2		Sep. Now (ρ)	15.2"
Mag pri	11.20		Mag sec	11.30		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-014		Sec motion ra	-005
Pri motion dec	-003		Sec motion dec	-011
Notes

rPM=0.841 This double is not physical.

Precise pa	178.6		Precise sep	15.224		Constellation	Cygnus		SAO	68713
Tycho2	2668-00727-1		Gaia DR2	39607033344

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19418+3611	ALI 158		1998	4	179	15.0	11.20	11.30		D	194143.49+361113.8
19418+3611	ALI 158		2002	5	179	15.1	11.20	11.30		D	194143.49+361113.8
19418+3611	ALI 158		2010	6	179	15.0	11.20	11.30			194143.49+361113.8
19418+3611	ALI 158		2016	7	179	15.2	11.20	11.30			194143.49+361113.8

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