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Doubles in session

Current system

01493+4754
STF 162 AD

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

01493+4754 STF 162 AD

01^h 49^m 15.47^s +47° 53' 47.1" P.A. 96.00 sep 138.8 mag 6.47,10.01 Sp A2 dist. 127.55 pc (416.07 l.y.)

Coord 2000	01493+4754		Discov num	STF 162		Comp	AD		Coord arcsec 2000	01 49 15.47 +47 53 47.1
Date first	1881		Date last	2016		Obs	12
Pa first	95		Pa last	96.1		P.A. Now (θ)	96.1°
Sep first	134.7		Sep last	138.83		Sep. Now (ρ)	138.83"
Mag pri	6.47		Mag sec	10.01		delta mag (ΔM)	3.54		Spectral class	A2 (white)
Pri motion ra	-017		Sec motion ra	+010
Pri motion dec	-003		Sec motion dec	-010
Notes	N S (See Notes, Parallax indidates non-physical)

rPM=1.616

This double is not physical.

01493+4754 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		37536	01 49 15 +47 53 47	CHR 4 Aa,Ab	1994	7	251	0.1	6.47			Y
Show	HD 11031	37536	01 49 15 +47 53 47	STF 162 AB	2020	181	197	2.0	6.47	7.22	0.75
Show		37536	01 49 15 +47 53 47	STF 162 AC	2020	65	178	20.7	6.47	9.24	2.77
Show		37536	01 49 15 +47 53 47	STF 162 AD	2016	12	96	138.8	6.47	10.01	3.54		<===
Show		37536	01 49 15 +47 53 47	STF 162 BC	2018	11	177	19.2	7.22	9.24	2.02

Quintuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Perseus		SAO	37536		HIP	8475		Tycho2	3283-02002-1
Gaia DR2	357046923445911040		HD	11031		HR	526		ADS	1438
BD	BD+47 508		Distance	127.55		Distance ly	416.07