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		Constellation	Cygnus		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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