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Doubles in session

Current system

00174+0853
STF 22 AB,D

Selections

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

00174+0853 STF 22 AB,D

00^h 17^m 24.50^s +08° 52' 34.8" P.A. 151.00 sep 66.8 mag 7.13,11.50 Sp F5 dist. 15.19 pc (49.55 l.y.)

Coord 2000	00174+0853		Discov num	STF 22		Comp	AB,D		Coord arcsec 2000	00 17 24.50 +08 52 34.8
Date first	1910		Date last	2005		Obs	10
Pa first	142		Pa last	150.8		P.A. Now (θ)	150.8°
Sep first	63.7		Sep last	66.78		Sep. Now (ρ)	66.78"
Mag pri	7.13		Mag sec	11.50		delta mag (ΔM)	4.37		Spectral class	F5 (yellow-white)
Pri motion ra	+075		Sec motion ra	+012
Pri motion dec	+076		Sec motion dec	-012
Notes	N (See Notes)

rPM=1.014

This double is not physical.

00174+0853 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		109111	00 17 24 +08 52 35	A 1803 AB	2008	53	307	0.2	8.38	7.78	0.60	Y
Show	38 Psc	109111	00 17 24 +08 52 35	STF 22 AB,C	2020	175	234	3.9	7.13	7.66	0.53
Show		109111	00 17 24 +08 52 35	STF 22 AB,D	2005	10	151	66.8	7.13	11.50	4.37		<===
Show		109111	00 17 24 +08 52 35	POP 229 AB,E	2005	3	239	75.3	7.13	16.16	9.03

Quintuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Pisces		SAO	109111		HIP	1392		Tycho2	0595-01040-3
Gaia DR2	2752315446728243328		HD	1317		GC	340		BD	BD+08 24
Distance	15.19		Distance ly	49.55