19518+3815 ALI 904

Coord 2000	19518+3815		Discov num	ALI 904		Comp			Coord arcsec 2000	19 51 45.80 +38 15 51.0
Date first	1928		Date last	2015		Obs	10
Pa first	109		Pa last	106		P.A. Now (θ)	106°
Sep first	11.1		Sep last	10.8		Sep. Now (ρ)	10.8"
Mag pri	11.90		Mag sec	12.60		delta mag (ΔM)	0.7		Spectral class
Pri motion ra	+000		Sec motion ra	-002
Pri motion dec	-013		Sec motion dec	-005
Notes

rPM=0.634 Nature of this double is uncertain.

Precise pa

106.1

Precise sep

10.768

Constellation

Cygnus

Gaia DR2

47942119808

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19518+3815	ALI 904		1998	4	106	10.8	11.90	12.60		D	195145.80+381551.0
19518+3815	ALI 904		2002	5	107	10.8	11.90	12.60		D	195145.80+381551.0
19518+3815	ALI 904		2015	6	106	10.8	11.90	12.60			195145.80+381551.0

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