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19529+3922
SEI 713

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

19529+3922 SEI 713

19^h 52^m 58.44^s +39° 20' 48.6" P.A. 136.00 sep 16.8 mag 12.76,12.80

Coord 2000	19529+3922		Discov num	SEI 713		Comp			Coord arcsec 2000	19 52 58.44 +39 20 48.6
Date first	1896		Date last	2015		Obs	10
Pa first	139		Pa last	136		P.A. Now (θ)	136°
Sep first	18.0		Sep last	16.8		Sep. Now (ρ)	16.8"
Mag pri	12.76		Mag sec	12.80		delta mag (ΔM)	0.04		Spectral class
Pri motion ra	+009		Sec motion ra	+000
Pri motion dec	-017		Sec motion dec	-001
Notes

rPM=0.954

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	135.7		Precise sep	16.847		Constellation	Cygnus		Tycho2	3137-00429-1
Gaia DR2	2073398868075493376

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19529+3922	SEI 713		1998	3	136	17.2	12.76	12.80		D	195258.44+392048.6
19529+3922	SEI 713		2002	4	136	17.1	12.76	12.80		D	195258.44+392048.6
19529+3922	SEI 713		2010	5	136	16.9	12.76	12.80			195258.44+392048.6
19529+3922	SEI 713		2015	6	136	16.9	12.76	12.80			195258.44+392048.6

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