20099+2100 S   737

Coord 2000	20099+2100		Discov num	S   737		Comp			Coord arcsec 2000	20 09 55.48 +21 00 07.3
Date first	1824		Date last	2015		Obs	23
Pa first	129		Pa last	128		P.A. Now (θ)	128°
Sep first	100.8		Sep last	101.0		Sep. Now (ρ)	101"
Mag pri	7.93		Mag sec	9.26		delta mag (ΔM)	1.33		Spectral class	K0 (yellow-orange)
Pri motion ra	-017		Sec motion ra	-008
Pri motion dec	-020		Sec motion dec	-014
Notes

rPM=0.412 Nature of this double is uncertain.

Precise pa	128		Precise sep	100.991		Constellation	Sagitta		SAO	88274
Tycho2	1630-00322-1		Gaia DR2	95218662656		HD	345909

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20099+2100	S 737		2004	13	130	100.7	7.93	9.26	K0	D	200955.48+210007.3
20099+2100	S 737		2009	14	128	100.3	7.93	9.26	K0	D	200955.48+210007.3
20099+2100	S 737		2013	16	129	100.0	7.93	9.26	K0		200955.48+210007.3
20099+2100	S 737		2015	19	128	101.0	7.93	9.26	K0		200955.48+210007.3

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