01493+4754 STF 162AD

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	2007		Obs	11
Pa first	95		Pa last	96		P.A. Now (θ)	96°
Sep first	134.7		Sep last	138.7		Sep. Now (ρ)	138.7"
Mag pri	6.47		Mag sec	10.01		delta mag (ΔM)	3.54		Spectral class	A2 (white)
Pri motion ra	-015		Sec motion ra	+011
Pri motion dec	-009		Sec motion dec	-011
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.491 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		37536	01493+4754	CHR 4	Aa,Ab	1984	1994	7	185	0.1	6.47			Y
Show		37536	01493+4754	STF 162	AB	1828	2019	176	198	2.0	6.47	7.22	0.75
Show		37536	01493+4754	STF 162	AC	1828	2019	64	178	20.6	6.47	9.24	2.77
Show		37536	01493+4754	STF 162	AD	1881	2007	11	96	138.7	6.47	10.01	3.54		<===
Show		37536	01493+4754	STF 162	BC	1902	2018	11	177	19.2	7.22	9.24	2.02

Quintuple system
4 visible stars in this system

Precise pa	96		Precise sep	138.74		Constellation	Perseus		SAO	37536
HIP	8475		Tycho2	3283-02002-1		Gaia DR2	3445911040		HD	11031
HR	526		BD	BD+47 508		Distance	127.55		Distance ly	416.07

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01493+4754	STF 162	AD	2007	10	96	138.7	6.47	10.01	A2	D	014915.54+475349.0

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