09400-1710 STN  19AB

Coord 2000	09400-1710		Discov num	STN  19		Comp	AB		Coord arcsec 2000	09 40 02.41 -17 09 52.4
Date first	1882		Date last	2012		Obs	17
Pa first	266		Pa last	264		P.A. Now (θ)	264°
Sep first	2.8		Sep last	2.7		Sep. Now (ρ)	2.7"
Mag pri	8.76		Mag sec	9.71		delta mag (ΔM)	0.95		Spectral class	F2V (yellow-white)
Pri motion ra	+028		Sec motion ra	-037
Pri motion dec	-015		Sec motion dec	-028
Notes

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			09400-1710	STN 19	AB	1882	2012	17	264	2.7	8.76	9.71	0.95		<===
Show			09400-1710	STN 19	AC	1898	1999	5	293	24.5	8.76	13.60	4.84

Triple system
3 visible stars in this system

Constellation	Hydra		Tycho2	6047-00451-1		HD	83713		last precise pa	263.9
last precise sep	2.71

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09400-1710	STN 19	AB	2000	15	265	2.8	8.76	9.71	F2V		094002.41-170952.4
09400-1710	STN 19	AB	2012	17	264	2.6	8.76	9.71	F2V		094002.41-170952.4

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