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Current system

20235+2343
POU4431

Selections

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

20235+2343 POU4431

20^h 23^m 33.43^s +23° 42' 53.2" P.A. 228.00 sep 15.8 mag 12.90,13.90

Coord 2000	20235+2343		Discov num	POU4431		Comp			Coord arcsec 2000	20 23 33.43 +23 42 53.2
Date first	1898		Date last	2015		Obs	5
Pa first	225		Pa last	228		P.A. Now (θ)	228°
Sep first	15.3		Sep last	15.8		Sep. Now (ρ)	15.8"
Mag pri	12.90		Mag sec	13.90		delta mag (ΔM)	1		Spectral class
Pri motion ra	+027		Sec motion ra	-050
Pri motion dec	+025		Sec motion dec	-027
Notes

rPM=1.635

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	228.1		Precise sep	15.816		Constellation	Vulpecula		SAO	88617
Gaia DR2	1831127493845321856

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20235+2343	POU4431		1999	2	228	15.8	12.90	13.90		D	202333.43+234253.2
20235+2343	POU4431		2001	3	228	15.8	12.90	13.90		D	202333.43+234253.2
20235+2343	POU4431		2010	4	228	16.0	12.90	13.90			202333.43+234253.2
20235+2343	POU4431		2015	5	228	15.8	12.90	13.90			202333.43+234253.2

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