17376-1524 ISO 6 Aa,Ab (Xi Ser)

17^h 37^m 35.23^s -15° 23' 54.3" P.A. 132.00 sep 0.3 mag 3.54, Sp F0IV dist. 32.28 pc (105.3 l.y.)

Coord 2000	17376-1524		Discov num	ISO 6		Comp	Aa,Ab		Coord arcsec 2000	17 37 35.23 -15 23 54.3
Date first	1987		Date last	1987		Obs	1
Pa first	132		Pa last	132		P.A. Now (θ)	132°
Sep first	0.3		Sep last	0.29		Sep. Now (ρ)	0.29"
Mag pri	3.54		Mag sec			delta mag (ΔM)			Spectral class	F0IV (yellow-white)
Pri motion ra	-042		Sec motion ra
Pri motion dec	-060		Sec motion dec
Notes	N X (See Notes, Dubious double)

Nature of this double is uncertain.

17376-1524 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Xi Ser	160700	17 37 35 -15 23 54	ISO 6 Aa,Ab	1987	1	132	0.3	3.54				<===
Show		160700	17 37 35 -15 23 54	RST 5090 AB	2015	7	78	24.5	3.54	13.00	9.46
Show		160700	17 37 35 -15 23 54	DRS 61 AC	2000	3	58	999.9	3.55	13.82	10.27

Quadruple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	Xi Ser		Var name	NSV9270 Ser		Constellation	Serpens		SAO	160700
HIP	86263		Tycho2	6248-01369-1		Gaia DR2	4125171197089493888		HD	159876
HR	6561		GC	23881		BD	BD-15 4621		Bayer	Xi Serpentis
Bayer name	Xi Ser		Flamsteed	55 Serpentis		Flamsteed name	55 Ser		FK5	658
Distance	32.28		Distance ly	105.3		Bayer greek	ξ Ser