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19595+3853
ALI 912

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19595+3853 ALI 912

19^h 59^m 26.84^s +38° 53' 45.2" P.A. 206.00 sep 10.4 mag 11.09,13.30 Sp F2V

Coord 2000	19595+3853		Discov num	ALI 912		Comp			Coord arcsec 2000	19 59 26.84 +38 53 45.2
Date first	1928		Date last	2016		Obs	9
Pa first	207		Pa last	206		P.A. Now (θ)	206°
Sep first	10.4		Sep last	10.4		Sep. Now (ρ)	10.4"
Mag pri	11.09		Mag sec	13.30		delta mag (ΔM)	2.21		Spectral class	F2V (yellow-white)
Pri motion ra	+000		Sec motion ra	-004
Pri motion dec	+001		Sec motion dec	-003
Notes

rPM=1.131

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	206.4		Precise sep	10.404		Constellation	Cygnus		SAO	69213
Tycho2	3137-01908-1		Gaia DR2	2072461465705811200

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19595+3853	ALI 912		1998	2	207	10.4	11.09	13.30		D	195926.84+385345.2
19595+3853	ALI 912		2002	3	207	10.4	11.09	13.30		D	195926.84+385345.2
19595+3853	ALI 912		2015	4	206	10.4	11.09	13.30	F2V		195926.84+385345.2

If you need more information about this double, apply for a data request form to the WDS.