20119+6431 STF2660

Coord 2000	20119+6431		Discov num	STF2660		Comp			Coord arcsec 2000	20 11 55.09 +64 30 31.8
Date first	1831		Date last	2015		Obs	28
Pa first	168		Pa last	166		P.A. Now (θ)	166°
Sep first	22.0		Sep last	22.3		Sep. Now (ρ)	22.3"
Mag pri	8.71		Mag sec	9.32		delta mag (ΔM)	0.61		Spectral class	F0 (yellow-white)
Pri motion ra	+014		Sec motion ra	+014
Pri motion dec	+036		Sec motion dec	+034
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.052 (< 0.3, Physical double) This double is physical.

Precise pa	165.8		Precise sep	22.331		Constellation	Draco		SAO	18756
Tycho2	4240-00719-1		Gaia DR2	19379364480		HD	192618

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20119+6431	STF2660		1999	20	166	22.3	8.71	9.32	F0	N D	201155.09+643031.8
20119+6431	STF2660		2010	21	166	22.4	8.71	9.32	F0	N D	201155.09+643031.8
20119+6431	STF2660		2015	24	166	22.3	8.71	9.32	F0	N	201155.09+643031.8

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