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20012+3451
SEI 788

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

20012+3451 SEI 788

20^h 01^m 10.42^s +34° 51' 03.0" P.A. 149.00 sep 29.0 mag 11.61,11.59

Coord 2000	20012+3451		Discov num	SEI 788		Comp			Coord arcsec 2000	20 01 10.42 +34 51 03.0
Date first	1894		Date last	2015		Obs	14
Pa first	149		Pa last	149		P.A. Now (θ)	149°
Sep first	29.0		Sep last	29.0		Sep. Now (ρ)	29"
Mag pri	11.61		Mag sec	11.59		delta mag (ΔM)	0.02		Spectral class
Pri motion ra	+004		Sec motion ra	+001
Pri motion dec	+001		Sec motion dec	-004
Notes

rPM=1.414

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	148.8		Precise sep	29.048		Constellation	Cygnus		SAO	69263
Tycho2	2678-02155-1		Gaia DR2	2058565734675772032

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20012+3451	SEI 788		1998	7	149	29.1	11.66	11.54		D	200110.42+345103.0
20012+3451	SEI 788		2002	8	149	29.0	11.66	11.54		D	200110.42+345103.0
20012+3451	SEI 788		2010	9	149	29.2	11.61	11.59			200110.42+345103.0
20012+3451	SEI 788		2015	10	149	29.0	11.61	11.59			200110.42+345103.0

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