20291+2956 AG  406

Coord 2000	20291+2956		Discov num	AG  406		Comp			Coord arcsec 2000	20 29 04.78 +29 56 23.5
Date first	1894		Date last	2018		Obs	17
Pa first	328		Pa last	333		P.A. Now (θ)	333°
Sep first	7.7		Sep last	8.5		Sep. Now (ρ)	8.5"
Mag pri	9.45		Mag sec	10.30		delta mag (ΔM)	0.85		Spectral class	B9 (blue-white)
Pri motion ra	+004		Sec motion ra	+003
Pri motion dec	-006		Sec motion dec	-003
Notes

rPM=0.439 Nature of this double is uncertain.

Precise pa	332.7		Precise sep	8.478		Constellation	Cygnus		SAO	88743
HIP	101050		Tycho2	2168-00194-1		Gaia DR2	13035409536		HD	334456
BD	BD+29 4053		Distance	396.83		Distance ly	1294.46

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20291+2956	AG 406		2000	7	333	8.3	9.45	10.30	B9	D	202904.78+295623.5
20291+2956	AG 406		2011	8	333	8.3	9.45	10.30	B9	D	202904.78+295623.5
20291+2956	AG 406		2015	12	333	8.3	9.45	10.30	B9		202904.78+295623.5
20291+2956	AG 406		2018	17	333	8.5	9.45	10.30	B9		202904.78+295623.5

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