19557+3020 BRT 271

Coord 2000	19557+3020		Discov num	BRT 271		Comp			Coord arcsec 2000	19 55 44.02 +30 20 09.4
Date first	1902		Date last	2015		Obs	5
Pa first	30		Pa last	32		P.A. Now (θ)	32°
Sep first	4.2		Sep last	4.3		Sep. Now (ρ)	4.3"
Mag pri	13.20		Mag sec	13.20		delta mag (ΔM)	0		Spectral class
Pri motion ra	-006		Sec motion ra	+006
Pri motion dec	-007		Sec motion dec	+007
Notes

rPM=2 This double is not physical.

Precise pa	32.3		Precise sep	4.3		Cdsa2 id	BRT 271		Constellation	Cygnus
Ra deg	19.928894444444445		De deg	30.335944444444443		last precise pa	32.3		last precise sep	4.3

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19557+3020	BRT 271		1998	2	30	4.2	13.20	13.20		D	195544.02+302009.4
19557+3020	BRT 271		2002	3	31	4.3	13.20	13.20		D	195544.02+302009.4
19557+3020	BRT 271		2015	4	32	4.3	13.20	13.20			195544.02+302009.4

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