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20024+3706
SEI 810

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

20024+3706 SEI 810

20^h 02^m 18.83^s +37° 05' 41.8" P.A. 157.00 sep 20.2 mag 12.49,11.39

Coord 2000	20024+3706		Discov num	SEI 810		Comp			Coord arcsec 2000	20 02 18.83 +37 05 41.8
Date first	1896		Date last	2015		Obs	12
Pa first	158		Pa last	157		P.A. Now (θ)	157°
Sep first	20.8		Sep last	20.2		Sep. Now (ρ)	20.2"
Mag pri	12.49		Mag sec	11.39		delta mag (ΔM)	1.1		Spectral class
Pri motion ra	-003		Sec motion ra	+002
Pri motion dec	-009		Sec motion dec	-003
Notes

rPM=0.823

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	157.4		Precise sep	20.221		Constellation	Cygnus		Tycho2	2682-02429-1
Gaia DR2	2060158853975212160

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20024+3706	SEI 810		2000	5	158	20.2	12.49	11.39		D	200218.83+370541.8
20024+3706	SEI 810		2002	6	158	20.2	12.49	11.39		D	200218.83+370541.8
20024+3706	SEI 810		2010	7	157	20.2	12.49	11.39			200218.83+370541.8
20024+3706	SEI 810		2015	8	157	20.2	12.49	11.39			200218.83+370541.8

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