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19513+3535
SEI 702

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

19513+3535 SEI 702

19^h 51^m 17.75^s +35° 35' 29.6" P.A. 258.00 sep 18.4 mag 10.68,11.33 Sp F8

Coord 2000	19513+3535		Discov num	SEI 702		Comp			Coord arcsec 2000	19 51 17.75 +35 35 29.6
Date first	1895		Date last	2015		Obs	15
Pa first	260		Pa last	258		P.A. Now (θ)	258°
Sep first	18.8		Sep last	18.4		Sep. Now (ρ)	18.4"
Mag pri	10.68		Mag sec	11.33		delta mag (ΔM)	0.65		Spectral class	F8 (yellow-white)
Pri motion ra	-001		Sec motion ra	-002
Pri motion dec	+001		Sec motion dec	+000
Notes

rPM=0.707

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	258.2		Precise sep	18.366		Constellation	Cygnus		Tycho2	2677-00798-1
Gaia DR2	2047632259765385472		HD	226174

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19513+3535	SEI 702		1998	8	258	18.3	10.68	11.33		D	195117.75+353529.6
19513+3535	SEI 702		2002	9	258	18.4	10.68	11.33		D	195117.75+353529.6
19513+3535	SEI 702		2010	10	258	18.4	10.68	11.33	F8		195117.75+353529.6
19513+3535	SEI 702		2015	11	258	18.4	10.68	11.33	F8		195117.75+353529.6

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