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19550+1737
GRV 293

Selections

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

19550+1737 GRV 293

19^h 55^m 03.36^s +17° 37' 59.1" P.A. 36.00 sep 56.2 mag 11.59,13.28

Coord 2000	19550+1737		Discov num	GRV 293		Comp			Coord arcsec 2000	19 55 03.36 +17 37 59.1
Date first	1982		Date last	2015		Obs	9
Pa first	36		Pa last	36		P.A. Now (θ)	36°
Sep first	55.9		Sep last	56.2		Sep. Now (ρ)	56.2"
Mag pri	11.59		Mag sec	13.28		delta mag (ΔM)	1.69		Spectral class
Pri motion ra	-013		Sec motion ra	-012
Pri motion dec	-027		Sec motion dec	-024
Notes

rPM=0.106 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	36		Precise sep	56.247		Constellation	Sagitta		Tycho2	1620-01413-1
Gaia DR2	1821191172895850112

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19550+1737	GRV 293		2000	2	36	55.9	11.30	12.70		D	195503.36+173759.1
19550+1737	GRV 293		2001	3	36	55.9	11.30	12.70		D	195503.36+173759.1
19550+1737	GRV 293		2010	4	36	56.1	11.59	13.28			195503.36+173759.1
19550+1737	GRV 293		2015	5	36	56.2	11.59	13.28			195503.36+173759.1

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