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20237+3553
SEI1113

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

20237+3553 SEI1113

20^h 23^m 46.48^s +35° 53' 03.7" P.A. 341.00 sep 13.9 mag 11.48,12.40

Coord 2000	20237+3553		Discov num	SEI1113		Comp			Coord arcsec 2000	20 23 46.48 +35 53 03.7
Date first	1896		Date last	2015		Obs	12
Pa first	342		Pa last	341		P.A. Now (θ)	341°
Sep first	14.2		Sep last	13.9		Sep. Now (ρ)	13.9"
Mag pri	11.48		Mag sec	12.40		delta mag (ΔM)	0.92		Spectral class
Pri motion ra	-001		Sec motion ra	+001
Pri motion dec	+000		Sec motion dec	+001
Notes

rPM=1.581

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	340.6		Precise sep	13.903		Constellation	Cygnus		Tycho2	2684-00204-1
Gaia DR2	2057269273001904256

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20237+3553	SEI1113		1998	5	341	13.9	11.54	12.40		D	202346.48+355303.7
20237+3553	SEI1113		2002	6	341	13.9	11.54	12.40		D	202346.48+355303.7
20237+3553	SEI1113		2010	7	343	13.2	11.48	12.40			202346.48+355303.7
20237+3553	SEI1113		2015	8	341	13.9	11.48	12.40			202346.48+355303.7

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