20185+1519 BPM2100

Coord 2000	20185+1519		Discov num	BPM2100		Comp			Coord arcsec 2000	20 18 28.74 +15 18 49.7
Date first	1997		Date last	2015		Obs	9
Pa first	114		Pa last	115		P.A. Now (θ)	115°
Sep first	114.8		Sep last	114.5		Sep. Now (ρ)	114.5"
Mag pri	15.08		Mag sec	15.71		delta mag (ΔM)	0.63		Spectral class
Pri motion ra	+021		Sec motion ra	+000
Pri motion dec	+006		Sec motion dec	+005
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.963 This double is physical.

Precise pa

114.5

Precise sep

114.477

Constellation

Delphinus

Gaia DR2

69309527680

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20185+1519	BPM2100		1998	2	115	114.5	15.08	15.71		NV	201828.74+151849.7
20185+1519	BPM2100		2001	3	115	114.5	15.08	15.71		NV	201828.74+151849.7
20185+1519	BPM2100		2010	4	115	114.6	15.08	15.71		NV	201828.74+151849.7
20185+1519	BPM2100		2015	5	115	114.4	15.08	15.71		NV	201828.74+151849.7

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