20368+2951 BTN   1

Coord 2000	20368+2951		Discov num	BTN   1		Comp			Coord arcsec 2000	20 36 57.91 +29 49 56.0
Date first	1894		Date last	2017		Obs	15
Pa first	13		Pa last	2		P.A. Now (θ)	2°
Sep first	15.3		Sep last	13.8		Sep. Now (ρ)	13.8"
Mag pri	10.38		Mag sec	11.41		delta mag (ΔM)	1.03		Spectral class	A (white)
Pri motion ra	+027		Sec motion ra	+001
Pri motion dec	+006		Sec motion dec	-005
Notes

rPM=1.021 This double is not physical.

Precise pa	1.9		Precise sep	13.833		Constellation	Cygnus		Tycho2	2169-00386-1
Gaia DR2	64375762048		HD	334817

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20368+2951	BTN 1		1997	6	3	14.0	10.38	11.41		D	203657.91+294956.0
20368+2951	BTN 1		2011	7	2	13.9	10.38	11.41		D	203657.91+294956.0
20368+2951	BTN 1		2012	9	2	13.9	10.38	11.41		D	203657.91+294956.0
20368+2951	BTN 1		2015	10	1	13.8	10.38	11.41	A		203657.91+294956.0
20368+2951	BTN 1		2017	12	2	13.8	10.38	11.41	A		203657.91+294956.0

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