20090+2718 BRT 210

Coord 2000	20090+2718		Discov num	BRT 210		Comp			Coord arcsec 2000	20 08 59.05 +27 16 50.2
Date first	1897		Date last	2015		Obs	12
Pa first	45		Pa last	29		P.A. Now (θ)	29°
Sep first	3.4		Sep last	5.2		Sep. Now (ρ)	5.2"
Mag pri	9.60		Mag sec	10.50		delta mag (ΔM)	0.9		Spectral class	A7 (white)
Pri motion ra	+001		Sec motion ra	+009
Pri motion dec	+001		Sec motion dec	+018
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.934 This double is not physical.

Precise pa	29.4		Precise sep	5.226		Constellation	Vulpecula		SAO	88254
Gaia DR2	78144342016

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20090+2718	BRT 210		2006	5	27	5.4	9.60	10.50		N D	200859.05+271650.2
20090+2718	BRT 210		2010	7	28	4.5	9.60	10.50	A7	N	200859.05+271650.2
20090+2718	BRT 210		2015	8	29	5.3	9.60	10.50	A7	N	200859.05+271650.2

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