00387+4657 STF  45AB

Coord 2000	00387+4657		Discov num	STF  45		Comp	AB		Coord arcsec 2000	00 38 41.60 +46 57 24.6
Date first	1829		Date last	2015		Obs	36
Pa first	83		Pa last	91		P.A. Now (θ)	91°
Sep first	8.8		Sep last	19.1		Sep. Now (ρ)	19.1"
Mag pri	6.85		Mag sec	10.06		delta mag (ΔM)	3.21		Spectral class	G9III (yellow)
Pri motion ra	-066		Sec motion ra	+008
Pri motion dec	-013		Sec motion dec	-003
Notes	L (Linear solution)

rPM=1.11 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		36542	00 38 42 +46 57 25	STF 45 AB	2015	36	91	19.1	6.85	10.06	3.21		<===
Show		36542	00 38 42 +46 57 25	BU 1347 AC	2015	6	260	104.7	6.85	13.72	6.87

Triple system
3 visible stars in this system

Precise pa	90.5		Precise sep	19.078		Constellation	Hydra		SAO	36542
HIP	3045		Tycho2	3253-01817-1		Gaia DR2	389969428318472192		HD	3531
BD	BD+46 129		Distance	112.23		Distance ly	366.09

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00387+4657	STF 45	AB	2003	32	90	18.3	6.90	9.90	G9III	LD	003841.60+465724.6
00387+4657	STF 45	AB	2014	34	90	19.2	6.85	10.06	G9III	LD	003841.60+465724.6
00387+4657	STF 45	AB	2015	35	91	19.1	6.85	10.06	G9III	L	003841.60+465724.6

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