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19581+5355
ARG 35

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

19581+5355 ARG 35

19^h 58^m 04.03^s +53° 55' 29.8" P.A. 227.00 sep 7.4 mag 9.00,9.92 Sp G5 dist. 156.25 pc (509.69 l.y.)

Coord 2000	19581+5355		Discov num	ARG 35		Comp			Coord arcsec 2000	19 58 04.03 +53 55 29.8
Date first	1901		Date last	2018		Obs	27
Pa first	227		Pa last	227		P.A. Now (θ)	227°
Sep first	7.4		Sep last	7.4		Sep. Now (ρ)	7.4"
Mag pri	9.00		Mag sec	9.92		delta mag (ΔM)	0.92		Spectral class	G5 (yellow)
Pri motion ra	+030		Sec motion ra	+025
Pri motion dec	+029		Sec motion dec	+029
Notes	N (See Notes)

rPM=0.12 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	227		Precise sep	7.42		Constellation	Cygnus		HIP	98273
Tycho2	3935-00231-1		Gaia DR2	2137673878276481920		HD	189572		BD	BD+53 2332
Distance	156.25		Distance ly	509.69

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19581+5355	ARG 35		2004	15	226	7.4	9.00	9.92	G5	N D	195804.03+535529.8
19581+5355	ARG 35		2013	18	227	7.3	9.00	9.92	G5	N D	195804.03+535529.8
19581+5355	ARG 35		2015	20	227	7.3	9.00	9.92	G5	N	195804.03+535529.8
19581+5355	ARG 35		2018	21	228	7.2	9.00	9.92	G5	N	195804.03+535529.8

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