15282-0921 SHJ 202 AB (HD 137763)

Coord 2000	15282-0921		Discov num	SHJ 202		Comp	AB		Coord arcsec 2000	15 28 09.61 -09 20 53.1
Date first	1781		Date last	2018		Obs	50
Pa first	130		Pa last	132.3		P.A. Now (θ)	132.3°
Sep first	44.2		Sep last	52		Sep. Now (ρ)	52"
Mag pri	6.95		Mag sec	7.61		delta mag (ΔM)	0.66		Spectral class	K1V+K2 (yellow-orange/yellow-orange)
Pri motion ra	+082		Sec motion ra	+082
Pri motion dec	-368		Sec motion dec	-356
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.032 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		140550	15 28 10 -09 20 53	BAG 25 Aa,Ab	2021	24	348	0.1	6.90	10.20	3.30	Y
Show	HD 137763	140550	15 28 10 -09 20 53	SHJ 202 AB	2018	50	132	52.0	6.95	7.61	0.66		<===
Show		140550	15 28 10 -09 20 53	HLA 11 AD	2018	2	192	0.5	5.00	7.30	2.30
Show		140552	15 28 12 -09 21 28	SHJ 202 BC	2000	6	99	152.7	7.61	10.73	3.12

Quintuple system
4 estimated visually detectable stars in this system

Name	HD 137763		Constellation	Libra		SAO	140550		HIP	75718
Tycho2	5595-01153-1		HD	137763		GC	20783		GL	Gl 586A
BD	BD-08 3981		Distance	20.58		Distance ly	67.13

discov_num	notes	refcode
SHJ 202	LDS 531. BDS 7220, H V 27 same star. The primary is a spectroscopic
	binary of very high eccentricity, P = 889.6d.
	AB: SHY 76. Bayesian analysis by Shaya & Olling (2011) indicates very	Shy2011
	high (near 100%) probability pair is physical.
	C is BD-08@3984, and is optical. A 15.35mag. star at 20' shares common
	proper motion.
	AB: H 5 27.	MEv2010

refcode	metd	author	reference
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Shy2011	-	Shaya, E.J. & Olling, R.	2011ApJS..192....2S
Shy2011		ApJS 192, 2, 2011
Shy2011		(Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011		added to WDS only if probability 90% or greater.)

idgroup	discov	author
1	BAG	Balega, Y.Y. & Tikhonov, N.A.
24	BAG	Balega, I.I., Balega, Y.Y., Belkin, I.N., Maximov, A.F., Orlov, V.G., Pluzhnik,
24	BAG	E.A., Shkhagosheva, Z.U., & Vasyuk, V.A.
25	BAG	Balega, I.I., Balega, Yu.Yu., Falcke, H., Osterbart, R., Reinheimer, T., Scholler,
25	BAG	M., & Weigelt, G.
30	BAG	Balega, I.I., Balega, Y.Y., Maksimov, A.F., Pluzhnik, E.A., Shkhagosheva, Z.U., &
30	BAG	Vasyuk, V.A.
35	BAG	Balega, I.I., Balega, Yu.Yu., Hofmann, K.-H., Maksimov, A.F., Pluzhnik, E.A.,
35	BAG	Schertl, D., Shkhagosheva, Z.U., & Weigelt, G.
38	BAG	Balega, I.I., Balega, Y.Y., Maksimov, A.F., Pluzhnik, E.A., Schertl, D.,
38	BAG	Shkhagosheva, Z.U., & Weigelt, G.
41	BAG	Balega, I.I., Balega, Y.Y., Hofmann, K.-H., Pluzhnik, E.A., Schertl, D.,
41	BAG	Shkhagosheva, Z.U., & Weigelt, G.
44	BAG	Balega, I.I., Balega, Y.Y., Hoffmann, K.-H., Malogolovets, E., Schertl, D.,
44	BAG	Shkhagosheva, Z.U., & Weigelt, G.
46	BAG	Balega, I.I., Balega, Yu.Yu., Maksimov, A.F., Malogolovets, E.V., Pluzhnik, E.A.,
46	BAG	& Shkhagosheva, Z.
47	BAG	Balega, Y.Y., Beuzit, J.-L., Delfosse, X., Forveille, T., Perrier, C., Mayor, M.,
47	BAG	Segransan, D., Udry, S., et al.
48	BAG	Balega, I.I., Balega, Yu.Yu., Maksimov, A.F., Malogolovets, E.V., Rastegaev, D.A.,
48	BAG	Shkhagosheva, Z.U., & Weigelt, G.
55	BAG	Balega, Yu.Yu., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E.V.,
55	BAG	Rastegaev, D.A., & Romanyuk, I.I.
56	BAG	Balega, Yu.Yu., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E.V.,
56	BAG	Rastegaev, D.A., & Romanyuk, I.I.
57	BAG	Balega, I.I., Balega, Yu.Yu., Gasanova, L.T., Dyachenko, V.V., Maksimov, A.F.,
57	BAG	Malogolovets, E.V., Rastegaev, D.A., & Shkhagosheva, Z.U.
60	HLA	Hirsch, L.A., Ciardi, D.R., Howards, A.W., Marcy, G.W., Ruane, G., Gonzalez, E.,
60	HLA	Blunt, S., Crepp, J.R., Fulton, B.J., Isaacson, H., Kosiarek, M., Mawet, D.,
60	HLA	Sinukoff, E. & Weiss, L.
61	HLA	Hirsch, L.A., Rosenthal, L., Fulton, B.J., Howard, A.W., Ciardi, D.R., Marcy, G.W.,
61	HLA	Nielsen, E., Petigura, E.A., de Rosa, R.J., Isaacson, H., Weiss, L.M., Sinukoff, E.
63	SHJ	South, J. & Herschel, J.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15282-0921	SHJ 202	AB	2003	36	133	52.3	6.95	7.61	K1V K5V	NYDV	152809.57-092049.9
15282-0921	SHJ 202	AB	2011	37	133	52.8	6.95	7.61	K1V K2	NYDV	152809.57-092049.9
15282-0921	SHJ 202	AB	2012	39	133	52.0	6.95	7.61	K1V K2	NYDV	152809.57-092049.9
15282-0921	SHJ 202	AB	2014	42	132	52.2	6.95	7.61	K1V K2	NVD	152809.57-092049.9
15282-0921	SHJ 202	AB	2015	45	132	52.1	6.95	7.61	K1V+K2	NV	152809.57-092049.9
15282-0921	SHJ 202	AB	2017	47	133	52.2	6.95	7.61	K1V+K2	NV	152809.61-092053.1
15282-0921	SHJ 202	AB	2018	49	133	52.2	6.95	7.61	K1V+K2	NV	152809.61-092053.1

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Show	date	username	difficulty	sep	sep_sigma	pa	pa_sigma	delta_mag	#	notes
Show	12/07/16	Robert		53.00	0.00	133.00	0.00		2

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