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19590+3851
SEI 763

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

19590+3851 SEI 763

19^h 58^m 58.75^s +38° 51' 49.2" P.A. 334.00 sep 23.7 mag 11.17,11.36 Sp A

Coord 2000	19590+3851		Discov num	SEI 763		Comp			Coord arcsec 2000	19 58 58.75 +38 51 49.2
Date first	1896		Date last	2017		Obs	16
Pa first	333		Pa last	334		P.A. Now (θ)	334°
Sep first	23.4		Sep last	23.7		Sep. Now (ρ)	23.7"
Mag pri	11.17		Mag sec	11.36		delta mag (ΔM)	0.19		Spectral class	A (white)
Pri motion ra	-003		Sec motion ra	-004
Pri motion dec	-007		Sec motion dec	-005
Notes

rPM=0.294 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	333.6		Precise sep	23.7		Constellation	Cygnus		SAO	69213
Tycho2	3137-01936-1		Gaia DR2	2072461878006652800		HD	226941

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19590+3851	SEI 763		1998	8	333	23.6	11.17	11.36		D	195858.75+385149.2
19590+3851	SEI 763		2002	9	333	23.6	11.17	11.36		D	195858.75+385149.2
19590+3851	SEI 763		2010	10	333	23.6	11.17	11.36	A		195858.75+385149.2
19590+3851	SEI 763		2017	11	334	23.7	11.17	11.36	A		195858.75+385149.2

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