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20261+4725
TDT2268

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

20261+4725 TDT2268

20^h 26^m 03.49^s +47° 24' 54.4" P.A. 50.00 sep 0.7 mag 10.79,10.94

Coord 2000	20261+4725		Discov num	TDT2268		Comp			Coord arcsec 2000	20 26 03.49 +47 24 54.4
Date first	1991		Date last	2015		Obs	3
Pa first	47		Pa last	50		P.A. Now (θ)	50°
Sep first	0.7		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	10.79		Mag sec	10.94		delta mag (ΔM)	0.15		Spectral class
Pri motion ra	+001		Sec motion ra	+001
Pri motion dec	-004		Sec motion dec	-004
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	50.4		Precise sep	0.661		Constellation	Cygnus		Tycho2	3576-01182-1
Gaia DR2	2083572546081004800

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20261+4725	TDT2268		1991	1	47	0.7	10.79	10.94			202603.49+472454.4
20261+4725	TDT2268		2006	2	50	0.7	10.79	10.94			202603.49+472454.4
20261+4725	TDT2268		2015	3	50	0.7	10.79	10.94			202603.49+472454.4

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