19511+3800 ALI 636

Coord 2000	19511+3800		Discov num	ALI 636		Comp			Coord arcsec 2000	19 51 07.89 +37 59 53.0
Date first	1929		Date last	2015		Obs	8
Pa first	81		Pa last	79		P.A. Now (θ)	79°
Sep first	9.7		Sep last	10.4		Sep. Now (ρ)	10.4"
Mag pri	13.30		Mag sec	13.30		delta mag (ΔM)	0		Spectral class
Pri motion ra	-006		Sec motion ra	-002
Pri motion dec	-012		Sec motion dec	-005
Notes

rPM=0.601 Nature of this double is uncertain.

Precise pa

78.7

Precise sep

10.367

Constellation

Cygnus

Gaia DR2

44762076160

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19511+3800	ALI 636		1998	2	80	10.3	13.30	13.30		D	195107.89+375953.0
19511+3800	ALI 636		2002	3	80	10.3	13.30	13.30		D	195107.89+375953.0
19511+3800	ALI 636		2015	4	79	10.4	13.30	13.30			195107.89+375953.0

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