19557+3824 ALI 908

Coord 2000	19557+3824		Discov num	ALI 908		Comp			Coord arcsec 2000	19 55 42.81 +38 24 10.8
Date first	1929		Date last	2010		Obs	4
Pa first	67		Pa last	63		P.A. Now (θ)	63°
Sep first	12.3		Sep last	12.3		Sep. Now (ρ)	12.3"
Mag pri	11.14		Mag sec	13.00		delta mag (ΔM)	1.86		Spectral class	B5 (blue-white)
Pri motion ra	-004		Sec motion ra	-003
Pri motion dec	-008		Sec motion dec	-003
Notes

rPM=0.57 Nature of this double is uncertain.

Precise pa	62.7		Precise sep	12.27		Cdsa2 id	ALI 908		Constellation	Cygnus
Ra deg	19.928558333333335		De deg	38.403		last precise pa	62.7		last precise sep	12.27

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19557+3824	ALI 908		1998	2	63	12.0	11.14	13.00		D	195542.81+382410.8
19557+3824	ALI 908		2002	3	63	12.0	11.14	13.00		D	195542.81+382410.8
19557+3824	ALI 908		2010	4	63	12.1	11.14	13.00	B5		195542.81+382410.8

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