20095+3431 TOB 172

Coord 2000	20095+3431		Discov num	TOB 172		Comp			Coord arcsec 2000	20 09 30.98 +34 31 51.8
Date first	1983		Date last	2015		Obs	8
Pa first	110		Pa last	108		P.A. Now (θ)	108°
Sep first	7.9		Sep last	8.5		Sep. Now (ρ)	8.5"
Mag pri	13.50		Mag sec	13.60		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-002		Sec motion ra	+003
Pri motion dec	-006		Sec motion dec	-003
Notes

rPM=0.922 This double is not physical.

Precise pa

108

Precise sep

8.536

Constellation

Cygnus

Gaia DR2

11838629248

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20095+3431	TOB 172		2000	2	108	8.5	13.50	13.60		D	200930.98+343151.8
20095+3431	TOB 172		2002	3	108	8.5	13.50	13.60		D	200930.98+343151.8
20095+3431	TOB 172		2015	4	108	8.5	13.50	13.60			200930.98+343151.8

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