20086+8507 RAO 21 AC

Coord 2000	20086+8507		Discov num	RAO  21		Comp	AC		Coord arcsec 2000	20 08 35.93 +85 07 27.1
Date first	2012		Date last	2018		Obs	5
Pa first	67		Pa last	71		P.A. Now (θ)	71°
Sep first	1.3		Sep last	1.172		Sep. Now (ρ)	1.172"
Mag pri	7.20		Mag sec	13.00		delta mag (ΔM)	5.8		Spectral class	F8 (yellow-white)
Pri motion ra	-069		Sec motion ra
Pri motion dec	-021		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		3362	20 08 36 +85 07 27	WSI 109 AB	2008	3	175	0.1	7.30	9.00	1.70
Show		3362	20 08 36 +85 07 27	RAO 21 AC	2018	5	71	1.2	7.20	13.00	5.80		<===

Triple system
3 estimated visually detectable stars in this system

Constellation	Draco		SAO	3362		HIP	99232		Tycho2	4653-00796-1
Gaia DR2	2302434355666150528		HD	195146		BD	BD+84 463		Distance	41.98
Distance ly	136.94

No records found.

refcode	metd	author	reference
RAO		Robo AO (Palomar 60" AO project or KPNO 2.1m)	......
RAO2014	Ag j	Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C.,	2014ApJ...791...35L
RAO2014		Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al.
RAO2014		ApJ 791, 35, 2014
RAO2014		(separation/magnitude difference limits estimated from their Figure 4)
RAO2015	Ag u	Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr.,	2015ApJ...799....4R
RAO2015	+orb	Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G.,
RAO2015		Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P.
RAO2015		ApJ 799, 4, 2015
RAO2015		(Note: Paper includes separation/magnitude difference limits for all stars
RAO2015		observed. These limits have been added to the Interferometric Catalog even for
RAO2015		resolved pairs, to indicate restrictions on any potential additional components.)
RAO2015b	A j	Ziegler, C., Law, N.M., Baranec, C., Riddle, R.L., & Fuchs, J.T.	2015ApJ...804...30Z
RAO2015b	+Ag	ApJ 804, 30, 2015
RAO2016	Ag j	Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D.,	2016AJ....152...18B
RAO2016		Schonhut, J., & Crepp, J.
RAO2016		AJ 152, 18, 2016
RAO2017	Ag j	Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L.,	2017AJ....153...66Z
RAO2017	+A	Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R.
RAO2017		AJ 153, 66, 2017
RAO2017b	Ag j	Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos,	2017ApJ...847...97S
RAO2017b		E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W.
RAO2017b		ApJ 847, 97, 2017
RAO2018	Ag j	Hillenbrand, L.A., Zhang, C., Riddle, R.L., Baranec, C., Ziegler, C., Law, N.M. &	2018AJ....155...51H
RAO2018		Stauffer, J.
RAO2018		AJ 155, 51, 2018
RAO2018		(Note: Precise date of observation not given. Pleiades assume mean Nov observing
RAO2018		date of 2014.86. Other targets given mean date of 2014.91.)
RAO2018b	Ag j	Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W.,	2018AJ....155..161Z
RAO2018b		Jensen-Clem, R., Kulkarni, S.R., Morton, T. & Salama, M.
RAO2018b		AJ 155, 161, 2018
RAO2018c	Hg j	Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D.,	2018AJ....156..259Z
RAO2018c		Mahadevan, S. & Pepper, J.
RAO2018c		AJ 156, 259, 2018
RAO2019	Ag j	Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu,	2019ApJ...877...60B
RAO2019		M.C., Shah, V.S., Shkolnik, E.L., Riaz, B. & Riddle, R.
RAO2019		ApJ 877, 60, 2019
RAO2020a	Ag j	Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem,	2020ApJ...883...34S
RAO2020a		R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M.
RAO2020a		ApJ 883, 34, 2020
RAO2020b	Ag+ j	Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J.,	2020AJ....159..139L
RAO2020b	+A	Ziegler, C., Salama, M., Jensen-Clem, R., Duev, D.A., Riddle, R., Kulkarni, S.R.,
RAO2020b		Winters, J.G. & Irwin, J.M.
RAO2020b		AJ 159, 139, 2020
RAO2020c	Ag j	Laos, S., Stassun, K.G. & Mathieu, R.D.	2020ApJ...902..107L
RAO2020c		ApJ 902, 107, 2020
RAO2021	Ag j	Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M.,	2021AJ....162..102S
RAO2021		Chun, M., Duev, D.A., Goebel, S., Hall, D., Jacobson, S., Jensen-Clem, R., Law,
RAO2021		N.M., Lockhart, C., Riddle, R., Situ, H., Warmbier, E. & Zhang, Z.
RAO2021		AJ 162, 102, 2021
RAO2022	Ag j	Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry,	2022AJ....163..200S
RAO2022		T.J., Winters, J.G., Jao, W.-C., Ou, J. & Ruiz, A.H.
RAO2022		AJ 163, 200, 2022
WSI		(Washington Speckle Interferometer)
WSI1997	Su j	Douglass, G.G., Hindsley, R.B., & Worley, C.E.	1997ApJS..111..289D
WSI1997	+Ma	ApJS 111, 289, 1997
WSI1999a	Su j	Germain, M.E., Douglass, G.G., & Worley, C.E.	1999AJ....117.1905G
WSI1999a		AJ 117, 1905, 1999
WSI1999b	Su j	Germain, M.E., Douglass, G.G., & Worley, C.E.	1999AJ....117.2511G
WSI1999b		AJ 117, 2511, 1999
WSI1999c	Su j	Douglass, G.G., Mason, B.D., Germain, M.E., & Worley, C.E.	1999AJ....118.1395D
WSI1999c		AJ 118, 1395, 1999
WSI2000a	Su j	Douglass, G.G., Mason, B.D., Rafferty, T.J., Holdenried, E.R., & Germain, M.E.	2000AJ....119.3071M
WSI2000a		AJ 119, 3071, 2000
WSI2000b	Su j	Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,	2000AJ....120.1120M
WSI2000b		Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
WSI2000b		AJ 120, 1120, 2000
WSI2001a	Su j	Germain, M.E. & Douglass, G.G.	2001AJ....121.2239M
WSI2001a		AJ 121, 2239, 2001
WSI2001b	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,	2001AJ....122.1586M
WSI2001b		Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
WSI2001b		AJ 122, 1586, 2001
WSI2002	Su j	Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,	2002AJ....124.2254M
WSI2002		Hennessy, G.S., Platais, I., et al.
WSI2002		AJ 124, 2254, 2002
WSI2004a	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,	2004AJ....127..539M
WSI2004a	+orb	Hennessy, G.S., Rafferty, T.J., et al.
WSI2004a		AJ 127, 539, 2004
WSI2004b	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Rafferty, T.J., Urban, S., & Flagg, L.	2004AJ....128.3012M
WSI2004b	+orb	AJ 128, 3012, 2004
WSI2006a	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Rafferty, T.J.	2006AJ....131.2687M
WSI2006a		AJ 131, 2687, 2006
WSI2006b	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Holdenried, E.R.	2006AJ....132.2219M
WSI2006b	+orb	AJ 132, 2219, 2006
WSI2007a	Su j	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., & Wieder, G.	2007AJ....134.1671M
WSI2007a	+Cu	AJ 134, 1671, 2007
WSI2008	Cu j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2008AJ....136.2223M
WSI2008		AJ 136, 2223, 2008
WSI2010	Cu j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2010AJ....140..480M
WSI2010		AJ 140, 480, 2010
WSI2011	Su j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2011AJ....141..157M
WSI2011		AJ 141, 157, 2011
WSI2011b	Cu j	Mason, B.D., Hartkopf, W.I., & Wycoff, G.L.	2011AJ....142...46M
WSI2011b		AJ 142, 46, 2011
WSI2012	Cu j	Mason, B.D., Hartkopf, W.I., & Friedman, E.A.	2012AJ....143..124M
WSI2012	+lin	AJ 143, 124, 2012
WSI2013	Cu j	Mason, B.D., Hartkopf, W.I., & Hurowitz, H.M.	2013AJ....146...56M
WSI2013	+orb	AJ 146, 56, 2013
WSI2013	+lin
WSI2013b	Cu j	Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D.	2013AJ....146...76H
WSI2013b	+Su	AJ 146, 76, 2013 (speckle measures in UCAC doubles paper UC_2013b)
WSI2015	Cu j	Hartkopf, W.I. & Mason, B.D.	2015AJ....150..130H
WSI2015	+orb	AJ 150, 136, 2015
WSI2015	+lin
WSI2017a	Cu j	Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,	2017AJ....153...20M
WSI2017a		C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
WSI2017a		AJ 153, 20, 2017
WSI2017b	Su j	Mason, B.D. & Hartkopf, W.I.	2017AJ....154..183M
WSI2017b	+Cu	AJ 154, 183, 2017
WSI2017b	+E+
WSI2017b	+H+
WSI2017b	+Pa
WSI2017b	+Zc
WSI2018a	Su j	Mason, B.D., Hartkopf, W.I., Urban, S.E. & Josties, J.D.	2018AJ....156..240M
WSI2018a	+Cu	AJ 156, 240, 2018
WSI2018a	+E
WSI2021	Su j	Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,	2021AJ....162...53M
WSI2021	+Cu	M., Kilian, C.M. & Warner, R.
WSI2021		AJ 162, 53, 2021
WSI2025	Su j	Mason, B.D., et al.	...................
WSI2025		in preparation

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20086+8507	RAO 21	AC	2013	2	65	1.3	7.20	13.00			200835.93+850727.1
20086+8507	RAO 21	AC	2018	5	71	1.2	7.20	13.00	F8		200835.93+850727.1

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No records found.


No records found.

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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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