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19502+5818
TDS1019

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

19502+5818 TDS1019

19^h 50^m 09.78^s +58° 17' 30.4" P.A. 245.00 sep 2.2 mag 11.10,11.19

Coord 2000	19502+5818		Discov num	TDS1019		Comp			Coord arcsec 2000	19 50 09.78 +58 17 30.4
Date first	1991		Date last	2015		Obs	5
Pa first	243		Pa last	245		P.A. Now (θ)	245°
Sep first	2.2		Sep last	2.2		Sep. Now (ρ)	2.2"
Mag pri	11.10		Mag sec	11.19		delta mag (ΔM)	0.09		Spectral class
Pri motion ra	+004		Sec motion ra	+005
Pri motion dec	-001		Sec motion dec	+001
Notes

rPM=0.439

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	244.7		Precise sep	2.22		Constellation	Cygnus		Tycho2	3947-01690-2
Gaia DR2	2235575527484242688

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19502+5818	TDS1019		2005	2	244	2.2	11.10	11.19			195009.78+581730.4
19502+5818	TDS1019		2015	4	245	2.2	11.10	11.19			195009.78+581730.4

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