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19566+3238
SEI 738

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

19566+3238 SEI 738

19^h 56^m 33.62^s +32° 38' 21.7" P.A. 153.00 sep 20.7 mag 11.12,11.70

Coord 2000	19566+3238		Discov num	SEI 738		Comp			Coord arcsec 2000	19 56 33.62 +32 38 21.7
Date first	1893		Date last	2015		Obs	15
Pa first	151		Pa last	153		P.A. Now (θ)	153°
Sep first	21.0		Sep last	20.7		Sep. Now (ρ)	20.7"
Mag pri	11.12		Mag sec	11.70		delta mag (ΔM)	0.58		Spectral class
Pri motion ra	+006		Sec motion ra	-005
Pri motion dec	-003		Sec motion dec	-007
Notes

rPM=1.361

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	153.2		Precise sep	20.698		Constellation	Cygnus		Tycho2	2673-03712-1
Gaia DR2	2034260239885007488

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19566+3238	SEI 738		1998	7	153	20.8	11.12	11.70		D	195633.62+323821.7
19566+3238	SEI 738		2002	8	153	20.7	11.12	11.70		D	195633.62+323821.7
19566+3238	SEI 738		2012	9	153	20.8	11.12	11.70		D	195633.62+323821.7
19566+3238	SEI 738		2015	11	153	20.7	11.12	11.70			195633.62+323821.7

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