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19479+3526
ALI 163

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

19479+3526 ALI 163

19^h 47^m 58.32^s +35° 25' 49.1" P.A. 174.00 sep 9.4 mag 9.97,11.70

Coord 2000	19479+3526		Discov num	ALI 163		Comp			Coord arcsec 2000	19 47 58.32 +35 25 49.1
Date first	1933		Date last	2015		Obs	10
Pa first	174		Pa last	174		P.A. Now (θ)	174°
Sep first	9.4		Sep last	9.4		Sep. Now (ρ)	9.4"
Mag pri	9.97		Mag sec	11.70		delta mag (ΔM)	1.73		Spectral class
Pri motion ra	+007		Sec motion ra	+000
Pri motion dec	-002		Sec motion dec	-003
Notes

rPM=0.971

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	174.3		Precise sep	9.394		Constellation	Cygnus		SAO	68872
Tycho2	2664-01272-1		Gaia DR2	2047664523561412864

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19479+3526	ALI 163		1941	2	173	9.4	9.97	11.70			194758.32+352549.1
19479+3526	ALI 163		2011	3	174	9.2	9.97	11.70			194758.32+352549.1
19479+3526	ALI 163		2014	5	173	9.4	9.97	11.70			194758.32+352549.1
19479+3526	ALI 163		2015	6	174	9.4	9.97	11.70			194758.32+352549.1

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