19566+2155 BRT2461

Coord 2000	19566+2155		Discov num	BRT2461		Comp			Coord arcsec 2000	19 56 38.88 +21 55 16.8
Date first	1895		Date last	2015		Obs	4
Pa first	349		Pa last	342		P.A. Now (θ)	342°
Sep first	3.0		Sep last	2.8		Sep. Now (ρ)	2.8"
Mag pri	12.30		Mag sec	13.20		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	-003		Sec motion ra	-006
Pri motion dec	-006		Sec motion dec	-009
Notes	R (Red magnitudes)

Visually invisible, K-band or other infrared star rPM=0.392 Nature of this double is uncertain.

Precise pa

342.3

Precise sep

2.788

Constellation

Vulpecula

Gaia DR2

40614693888

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19566+2155	BRT2461		1994	2	350	2.6	11.90	12.30			195638.91+215519.2
19566+2155	BRT2461		2001	3	344	2.8	12.30	13.20		R	195638.88+215516.8
19566+2155	BRT2461		2015	4	342	2.8	12.30	13.20		R	195638.88+215516.8

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