20276+4202 HDS2928

Coord 2000	20276+4202		Discov num	HDS2928		Comp			Coord arcsec 2000	20 27 36.77 +42 02 07.6
Date first	1991		Date last	2007		Obs	2
Pa first	24		Pa last	21		P.A. Now (θ)	21°
Sep first	0.2		Sep last	0.2		Sep. Now (ρ)	0.2"
Mag pri	7.89		Mag sec	8.30		delta mag (ΔM)	0.41		Spectral class	B2IV (blue-white)
Pri motion ra	-003		Sec motion ra
Pri motion dec	-006		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	21.1		Precise sep	0.176		Constellation	Cygnus		SAO	49653
HIP	100912		Tycho2	3160-01542-1		Gaia DR2	94786212480		HD	195089
BD	BD+41 3758		Distance	787.4		Distance ly	2568.5

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20276+4202	HDS2928		1991	1	24	0.2	7.89	8.30	B2IV		202736.77+420207.6
20276+4202	HDS2928		2007	2	21	0.2	7.89	8.30	B2IV		202736.77+420207.6

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