WDS 23588+3156 RAO 76 AB

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

WDS 23588+3156 RAO 76 AB : NOTES

discov_num	notes	refcode
RAO 76	A is SB and astrometric binary.	Tok2014d
	Previously thought to be a binary, but our observations reveal that
	it is actually a triple system. The outer component B at 4".8 was
	discovered by Robo-AO and confirmed by the 2MASS image and by the new
	data presented here. It is located near the low end of the MS. The
	main star with astrometric acceleration (Makarov & Kaplan 2005) is	Mkr2005
	now resolved at 0".4, corresponding to an orbital period of ~100 yr.
	The new component Ab is too faint for its detection in the i' band
	with Robo-AO.	Rbr2015d
RBR 55	Aa,Ab: incorrectly labelled RBR 30 in Table 1 of Roberts et al.	Rbr2015d

REFERENCES

refcode	metd	author	reference
Mkr2005	-	Makarov, V.V. & Kaplan, G.H.	2005AJ....129.2420M
Mkr2005		AJ 129, 2420, 2005
Rbr2015d	Ac j	Roberts, L.C., Jr., Tokovinin, A., Mason, B.D., Hartkopf, W.I., & Riddle, R.L.	2015AJ....150..130R
Rbr2015d	+A	AJ 150, 130, 2015
Tok2014d	E2 -	Tokovinin, A.	2014AJ....147...86T
Tok2014d		AJ 147, 86, 2014

DISCOVERER

idgroup	discov	author
1	RAO	Robo AO (Palomar 60" AO project or KPNO 2.1m)
1	RAO	Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C.,
1	RAO	Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al.
2	RAO	Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr.,
2	RAO	Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G.,
2	RAO	Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P.
7	RAO	Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D.,
7	RAO	Schonhut, J., & Crepp, J.
8	RAO	Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L.,
8	RAO	Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R.
9	RAO	Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos,
9	RAO	E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W.
10	RAO	Hillenbrand, L.A., Zhang, C., Riddle, R.L., Baranec, C., Ziegler, C., Law, N.M. &
10	RAO	Stauffer, J.
12	RAO	Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W.,
12	RAO	Jensen-Clem, R., Kulkarni, S.R., Morton, T. & Salama, M.
13	RAO	Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D.,
13	RAO	Mahadevan, S. & Pepper, J.
14	RAO	Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu,
14	RAO	M.C., Shah, V.S., Shkolnik, E.L., Riaz, B. & Riddle, R.
15	RAO	Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem,
15	RAO	R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M.
16	RAO	Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J.,
16	RAO	Ziegler, C., Salama, M., Jensen-Clem, R., Duev, D.A., Riddle, R., Kulkarni, S.R.,
16	RAO	Winters, J.G. & Irwin, J.M.
19	RAO	Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M.,
19	RAO	Chun, M., Duev, D.A., Goebel, S., Hall, D., Jacobson, S., Jensen-Clem, R., Law,
19	RAO	N.M., Lockhart, C., Riddle, R., Situ, H., Warmbier, E. & Zhang, Z.
20	RAO	Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry,
20	RAO	T.J., Winters, J.G., Jao, W.-C., Ou, J. & Ruiz, A.H.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23588+3156	RAO 76	AB	2013	3	88	4.8	8.35	15.00	G5		235845.83+315622.1
23588+3156	RAO 76	AB	2015	4	88	4.9	8.35	15.00	G5	N	235845.83+315622.1
23588+3156	RAO 76	AB	2016	7	87	4.8	8.35	15.00	G5	N	235845.83+315622.1

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