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20200+3201
SEI1085

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

20200+3201 SEI1085

20^h 19^m 59.58^s +32° 00' 45.6" P.A. 105.00 sep 11.0 mag 10.94,12.90 Sp A2

Coord 2000	20200+3201		Discov num	SEI1085		Comp			Coord arcsec 2000	20 19 59.58 +32 00 45.6
Date first	1893		Date last	2015		Obs	12
Pa first	100		Pa last	105		P.A. Now (θ)	105°
Sep first	9.5		Sep last	11.0		Sep. Now (ρ)	11"
Mag pri	10.94		Mag sec	12.90		delta mag (ΔM)	1.96		Spectral class	A2 (white)
Pri motion ra	+002		Sec motion ra	+010
Pri motion dec	+000		Sec motion dec	-004
Notes

rPM=0.83

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	104.6		Precise sep	10.981		Constellation	Cygnus		SAO	69845
Tycho2	2676-01657-1		Gaia DR2	2054284476897604864		HD	332152

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20200+3201	SEI1085		1999	5	105	10.9	10.94	12.90	A2	D	201959.58+320045.6
20200+3201	SEI1085		2002	6	104	10.9	10.94	12.90	A2	D	201959.58+320045.6
20200+3201	SEI1085		2010	7	104	10.1	10.94	12.90	A2		201959.58+320045.6
20200+3201	SEI1085		2015	8	105	11.0	10.94	12.90	A2		201959.58+320045.6

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