20108+2029 HDS2875

Coord 2000	20108+2029		Discov num	HDS2875		Comp			Coord arcsec 2000	20 10 45.15 +20 29 12.7
Date first	1991		Date last	1997		Obs	2
Pa first	231		Pa last	235		P.A. Now (θ)	235°
Sep first	0.3		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	7.61		Mag sec	9.46		delta mag (ΔM)	1.85		Spectral class	B8 (blue-white)
Pri motion ra	-002		Sec motion ra
Pri motion dec	-008		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	234.8		Precise sep	0.272		Constellation	Sagitta		SAO	88299
HIP	99421		Tycho2	1626-00634-1		Gaia DR2	77784480128		HD	191721
BD	BD+20 4461		Distance	452.49		Distance ly	1476.02

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20108+2029	HDS2875		1997	2	235	0.3	7.61	9.46	B8		201045.15+202912.7

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