16240+4822 BUP 168 AB

Coord 2000	16240+4822		Discov num	BUP 168		Comp	AB		Coord arcsec 2000	16 24 09.70 +48 21 09.1
Date first	1911		Date last	1998		Obs	2
Pa first	284		Pa last	287.8		P.A. Now (θ)	287.8°
Sep first	70.7		Sep last	176.03		Sep. Now (ρ)	176.03"
Mag pri	10.44		Mag sec	16.23		delta mag (ΔM)	5.79		Spectral class	M3.0V (red)
Pri motion ra	+115		Sec motion ra	+008
Pri motion dec	-050		Sec motion dec	+000
Notes	N P (See Notes, 100-year proper motion)

rPM=0.942 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			16 24 10 +48 21 09	HEN 1 Aa,Ab	2015	26	56	0.3	10.44	15.00	4.56	Y
Show			16 24 10 +48 21 09	BUP 168 AB	1998	2	288	176.0	10.44	16.23	5.79		<===
Show			16 24 10 +48 21 09	BUP 168 AC	2003	4	93	999.9	10.44	9.50	0.94

Quadruple system
3 estimated visually detectable stars in this system

Constellation	Hercules		HIP	80346		Tycho2	3495-00601-1		GL	Gl 623
Distance	8.06		Distance ly	26.29

discov_num	notes	refcode
BUP 168	Distance 1128.4".
HEN 1	Discovery designation is per Todd Henry 03/02/98.
	Hipparcos astrometric solution adopted some elements from the orbit of	HIP1997d
	Marcy & Moore (1989).	Mrc1989
	GJ 623. Martinache et al. derive dynamical masses of 0.371 +/- 0.015	Llo2007
	and 0.115 +/- 0.0023 Msun. Based on IR colors and velocities, they
	conclude that the pair is of low metallicity and probably old disk
	population. Models do not fit all the dtaa adequately, however.
	Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
	spectroscopic masses 0.50 +/- 0.02, 0.58, and 0.40 Msun, respectively.	Mlk2012

refcode	metd	author	reference
HIP1997d	orb -	Hipparcos	1997yCat.1239....0E
HIP1997d		Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d		(DMSA/O Orbital Solutions)
Llo2007	Sa j	Martinache, F., Lloyd, J.P., Ireland, M.J., Yamada, R.S., & Turhill, P.G.	2007ApJ...661..496M
Llo2007	+A	ApJ 661, 496, 2007
Llo2007	+orb
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012
Mrc1989	orb -	Marcy, G.W. & Moore, D.	1989ApJ...341..961M
Mrc1989		ApJ 341, 961, 1989

idgroup	discov	author
1	BUP	Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913)
1	HEN	Henry, T.J., McCarthy, D.W., Jr., Freeman, J., & Cristou, J.C.
10	HEN	Henry, T.J., Franz, O.G., Wasserman, L.H., Benedict G.F., Shelus, P.J.,
10	HEN	Ianna, P.A., Kirkpatrick, J.D. & McCarthy, D.W., Jr.
15	HEN	Henry, T.J., Jao, W.-C., Subasavage, J.P., Beaulieu, T.D., Ianna, P.A., Costa, E.,
15	HEN	& Mendez, R.A
16	HEN	Henry, T.J., Jao, W.-C., Winters, J.G., Dieterich, S.B., Finch, C.T., Ianna, P.A.,
16	HEN	Riedel, A.R., Silverstein, M.L., Subasavage, J.P. & Vrijmoet, E.H.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16240+4822	BUP 168	AB	1911	1	284	70.7	10.44	13.00		N D	162409.32+482110.4
16240+4822	BUP 168	AB	1998	2	288	176.0	10.44	13.97	M3	N DP	162409.32+482110.4

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

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