20272+1306 BPM2169

Coord 2000	20272+1306		Discov num	BPM2169		Comp			Coord arcsec 2000	20 27 12.71 +13 06 03.1
Date first	1993		Date last	2015		Obs	9
Pa first	263		Pa last	263		P.A. Now (θ)	263°
Sep first	28.1		Sep last	28.1		Sep. Now (ρ)	28.1"
Mag pri	14.50		Mag sec	15.12		delta mag (ΔM)	0.62		Spectral class
Pri motion ra	-014		Sec motion ra	-007
Pri motion dec	+000		Sec motion dec	-009
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.814 This double is physical.

Precise pa	263.4		Precise sep	28.063		Constellation	Delphinus		SAO	106117
Gaia DR2	99369914368

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20272+1306	BPM2169		1997	2	263	28.1	14.97	15.61		NV	202712.71+130603.1
20272+1306	BPM2169		2001	3	264	28.1	14.97	15.61		NV	202712.71+130603.1
20272+1306	BPM2169		2010	4	264	28.1	14.50	15.12		NV	202712.71+130603.1
20272+1306	BPM2169		2015	5	264	27.9	14.50	15.12		NV	202712.71+130603.1

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