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20162+3745
TOB 183

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

20162+3745 TOB 183

20^h 16^m 09.48^s +37° 45' 04.3" P.A. 256.00 sep 15.0 mag 11.32,13.78

Coord 2000	20162+3745		Discov num	TOB 183		Comp			Coord arcsec 2000	20 16 09.48 +37 45 04.3
Date first	1983		Date last	2015		Obs	9
Pa first	256		Pa last	256		P.A. Now (θ)	256°
Sep first	15.6		Sep last	15.0		Sep. Now (ρ)	15"
Mag pri	11.32		Mag sec	13.78		delta mag (ΔM)	2.46		Spectral class
Pri motion ra	-004		Sec motion ra	-003
Pri motion dec	-004		Sec motion dec	-005
Notes

rPM=0.243 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	256.2		Precise sep	14.994		Constellation	Cygnus		Tycho2	3151-00730-1
Gaia DR2	2060859556437427712

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20162+3745	TOB 183		1998	2	256	15.0	11.10	12.20		D	201609.48+374504.3
20162+3745	TOB 183		2002	3	256	15.0	11.10	12.20		D	201609.48+374504.3
20162+3745	TOB 183		2010	4	256	14.9	11.32	13.78			201609.48+374504.3
20162+3745	TOB 183		2015	5	256	15.0	11.32	13.78			201609.48+374504.3

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