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Doubles in session


Current system
20086+8507
RAO 21 AC


Nearby doubles
8' : 20040+8513
LOC 444AB

14' : 20079+8454
UC 4092

21' : 19526+8505
LDS1925

23' : 20214+8523
LOC 457

23' : 20032+8529
TDT1938

23' : 20015+8447
LOC 445

56' : 20250+8559
LDS1934

78' : 20016+8625
LOC 448

88' : 20025+8635
LOC 446

91' : 20248+8636
LDS1935

92' : 20077+8336
LOC 443

94' : 20152+8335
UC 4127

96' : 20228+8334
TDT2220

101' : 20236+8647
LOC 459

103' : 19553+8327
LDS1926

104' : 19589+8325
HDS2845

111' : 19570+8319
WFC 227

115' : 20178+8314
LOC 442

124' : 20200+8306
LOC 454

134' : 20277+8257
MLR 234

160' : 20075+8747
LOC 449

169' : 20099+8756
LOC 447

192' : 20167+8156
LOC 441

198' : 20255+8152
LOC 452

210' : 19593+8138
MLR 231

221' : 20084+8127
HU 957



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20086+8507 RAO 21 AC

 
 
20h 08m 35.93s +85° 07' 27.1" P.A. 71.00 sep 1.2 mag 7.20,13.00 Sp F8 dist. 41.98 pc (136.94 l.y.)
 
 
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.
 
 
20086+8507 SYSTEM COMPONENTS
 
 
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
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
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
 
 
WDS 20086+8507 RAO 21 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
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
 
 
WDS HISTORIC DATA
 
 
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

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20086+8507 RAO 21 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20086+8507 RAO 21 AC : MEASURES
 
 
No records found.

 
 
WDS 20086+8507 : VIRTUAL EYEPIECE
 
 

20086+8507 WSI 109A mag 7.3 Sp F8 20086+8507 WSI 109B sep 0.1 P.A. 179.50 mag 9 20086+8507 RAO 21C sep 0.4 P.A. 13.90 mag 13 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20086+8507 : ALADIN DSS IMAGE @ 20h 08m 35.93s +85° 07' 27.1"
 
 
 
 
WDS 20086+8507 RAO 21 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20086+8507 RAO 21AC distance=0' 20040+8513 LOC 444AB distance=8' 20079+8454 UC 4092 distance=14' 19526+8505 LDS1925 distance=21' 20214+8523 LOC 457 distance=23' 20032+8529 TDT1938 distance=23' 20015+8447 LOC 445 distance=23' 20250+8559 LDS1934 distance=56' 20016+8625 LOC 448 distance=78' 20025+8635 LOC 446 distance=88' 20248+8636 LDS1935 distance=91' 20077+8336 LOC 443 distance=92' 20152+8335 UC 4127 distance=94' 20228+8334 TDT2220 distance=96' 20236+8647 LOC 459 distance=101' 19553+8327 LDS1926 distance=103' 19589+8325 HDS2845 distance=104' 19570+8319 WFC 227 distance=111' 20178+8314 LOC 442 distance=115' 20200+8306 LOC 454 distance=124' 20277+8257 MLR 234 distance=134' 20075+8747 LOC 449 distance=160' 20099+8756 LOC 447 distance=169' 20167+8156 LOC 441 distance=192' 20255+8152 LOC 452 distance=198' 19593+8138 MLR 231 distance=210' 20084+8127 HU 957 distance=221' 20108+8127 LOC 440 distance=221' 20282+8125 BUP 211AB distance=225' 20282+8125 STH 7AC distance=225' 20094+8114 LOC 439 distance=233' 20165+8109 STT 526 distance=240' 20144+8032 STF2694 distance=276' 19571+8031 LDS1924 distance=278' 19562+8028 KPP4178 distance=281' 19547+8010 LOC 426 distance=299' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20086+8507 WSI 109 AB 175 0.1
Show 20086+8507 RAO 21 AC 71 1.2
Show 20040+8513 LOC 444 AB 296 20.0 8
Show 20079+8454 UC 4092 163 45.7 14
Show 19526+8505 LDS1925 260 9.9 21
Show 20214+8523 LOC 457 271 1.9 23
Show 20032+8529 TDT1938 356 0.5 23
Show 20015+8447 LOC 445 183 45.6 23
Show 20250+8559 LDS1934 10 64.2 56
Show 20016+8625 LOC 448 341 2.0 78
Show 20025+8635 LOC 446 333 2.3 88
Show 20248+8636 LDS1935 316 14.7 91
Show 20077+8336 LOC 443 8 1.4 92
Show 20152+8335 UC 4127 43 42.7 94
Show 20228+8334 TDT2220 59 0.4 96
Show 20236+8647 LOC 459 21 3.3 101
Show 19553+8327 LDS1926 140 7.7 103
Show 19589+8325 HDS2845 187 0.7 104
Show 19570+8319 WFC 227 50 5.9 111
Show 20178+8314 LOC 442 74 1.5 115
Show 20200+8306 LOC 454 145 7.8 124
Show 20277+8257 MLR 234 94 0.6 134
Show 20075+8747 LOC 449 307 1.4 160
Show 20099+8756 LOC 447 307 7.2 169
Show 20167+8156 LOC 441 139 1.0 192
Show 20255+8152 LOC 452 150 1.1 198
Show 19593+8138 MLR 231 242 0.3 210
Show 20084+8127 HU 957 144 4.9 221
Show 20108+8127 LOC 440 158 1.4 221
Show 20282+8125 BUP 211 AB 11 109.5 225
Show 20282+8125 STH 7 AC 282 196.6 225
Show 20094+8114 LOC 439 78 3.9 233
Show 20165+8109 STT 526 167 1.3 240
Show 20144+8032 STF2694 345 4.3 276
Show 19571+8031 LDS1924 270 7.5 278
Show 19562+8028 KPP4178 181 55.7 281
Show 19547+8010 LOC 426 50 1.7 299

 
 
WDS 20086+8507 : COMPONENTS
 
 
  A B
B pa=179.5°
sep=0.08"
 
C pa=13.9°
sep=0.39"
pa=11.5°
sep=0.47"
 
 
20086+8507 A
 
 
Coord arcsec 2000 200835.93+850727.1 Mag 7.3 Spectral class F8 (yellow-white) PmRA -69.00
PmDE -21.0 SAO 3362 HIP 99232 Tycho2 4653-00796-1
HD 195146 GC 28249 BD BD+84 463
Tycho2
Tycho2 4653-00796-1 Pflag RAmdeg 302.14971281 DEmdeg 85.12421670
PmRA -69.4 PmDE -21.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.39 EpDEm 1991.48
Num 12 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.7
Q pmDE 0.6 BTmag 7.820 E BTmag 0.015 VTmag 7.203
E VTmag 0.010 Prox 999 TYC T HIP 99232
CCDM RAdeg 302.15160611 DEdeg 85.12426694 EpRA 1990 1.65
EpDE 1990 1.70 E RAdeg 4.3 E DEdeg 4.4 Posflg
Corr 0.0
SAO
SAO 3362 DelFlag RA1950 PmRA1950 -0.0626
DE1950 PmDE1950 -0.003 Vmag 7.1 SpType F8
Double code Source 70 CatNum 28249 DM BD+84 463
DMcomp BDsup HD 195146 M HD 0
GC 28249 RA1950rad 5.30943021 DE1950rad 1.48304769 PmRA2000 -0.0634
PmDE2000 -0.009
Hipparcos
Catalog H HIP 99232 Proxy RAhms 20 08 36.40
DEdms +85 07 27.4 Vmag 7.13 VarFlag R Vmag H
RAdeg 302.152 DEdeg 85.1243 AstroRef Plx 24.7
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 195146 BD BD+84 463
CD CP Dm number +84 463 VIred 0.63
SpType F8 R SpType Coord arcsec 2000 200836.40+850727.4
Hipparcos 2
HIP 99232 Sn 5 So 0 Nc 1
RArad 5.2735417615 DErad 1.4856987752 Plx 23.82 PmRA -67.01
PmDE -19.69 E RArad 0.41 E DErad 0.41 E Plx 0.46
E pmRA 0.5 E pmDE 0.55 Hpmag 7.2512 E Hpmag 0.0006
SHp 0.008 VA 0 BV 0.572 E BV 0.008
VI 0.64
 
 
20086+8507 B
 
 
Coord arcsec 2000 200835.93+850727.0 Mag 9 Calc delta mag 1.7 Calc coord yes
 
 
20086+8507 C
 
 
Coord arcsec 2000 200836.00+850727.5 Mag 13 Calc delta mag 5.7 Calc coord yes