00165+2918 STF  17AB

Coord 2000	00165+2918		Discov num	STF  17		Comp	AB		Coord arcsec 2000	00 16 32.03 +29 17 36.6
Date first	1828		Date last	2015		Obs	35
Pa first	29		Pa last	29		P.A. Now (θ)	29°
Sep first	20.0		Sep last	26.7		Sep. Now (ρ)	26.7"
Mag pri	8.39		Mag sec	9.83		delta mag (ΔM)	1.44		Spectral class	K0 (yellow-orange)
Pri motion ra	-004		Sec motion ra	-004
Pri motion dec	-003		Sec motion dec	-004
Notes

rPM=0.177 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		73862	00 16 32 +29 17 37	STF 17 AB	2015	35	29	26.7	8.39	9.83	1.44		<===
Show		73863	00 16 33 +29 18 00	BU 487 BC	2016	10	265	2.4	9.83	13.10	3.27

Triple system
3 visible stars in this system

Precise pa	28.9		Precise sep	26.696		Constellation	Hydra		SAO	73862
Tycho2	1736-01870-1		Gaia DR2	2860430528166436864		HD	1202

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00165+2918	STF 17	AB	2002	28	30	26.7	8.39	9.83	K0	D	001632.03+291736.6
00165+2918	STF 17	AB	2011	29	30	27.2	8.39	9.83	K0	D	001632.03+291736.6
00165+2918	STF 17	AB	2012	32	30	26.9	8.39	9.83	K0	D	001632.03+291736.6
00165+2918	STF 17	AB	2015	34	29	26.7	8.39	9.83	K0		001632.03+291736.6

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