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Current system
18221+4222
RAO 390


Nearby doubles
23' : 18227+4200
SKF 320AB

24' : 18242+4228
COU1788AB

25' : 18240+4236
KPP 963

44' : 18199+4258
ES 474

68' : 18179+4311
KPP4103

72' : 18258+4321
BRT1917

78' : 18177+4122
LDS4783

80' : 18264+4326
HDS2606

82' : 18231+4100
COU1602

84' : 18295+4242
LDS4788

85' : 18294+4158
ES 1559AB

85' : 18181+4334
A 579

87' : 18186+4104
BRT1915

91' : 18241+4054
COU1603

95' : 18206+4049
LDS4785

100' : 18310+4210
TDT 921

100' : 18180+4351
UC 3549

101' : 18178+4351
A 578AB

103' : 18310+4154
HJ 1328

104' : 18158+4107
ES 1651

104' : 18217+4039
UC 3559

104' : 18294+4328
GCB 32

105' : 18130+4251
ES 473AB

105' : 18293+4114
KPP 413

107' : 18302+4320
A 584

108' : 18173+4355
A 577



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.

18221+4222 RAO 390

 
 
18h 22m 08.10s +42° 22' 00.8" P.A. 234.00 sep 3.3 mag 15.20,17.20
 
 
Coord 2000 18221+4222 Discov num RAO 390 Comp Coord arcsec 2000 18 22 08.10 +42 22 00.8
Date first 2016 Date last 2016 Obs 1
Pa first 234 Pa last 234.1 P.A. Now (θ) 234.1°
Sep first 3.3 Sep last 3.301 Sep. Now (ρ) 3.301"
Mag pri 15.20 Mag sec 17.20 delta mag (ΔM) 2 Spectral class
Pri motion ra -032 Sec motion ra
Pri motion dec +156 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra
 
 
WDS 18221+4222 RAO 390 : 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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18221+4222 RAO 390 2016 1 234 3.3 15.20 17.20 R 182208.10+422200.8

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

 
 
WDS 18221+4222 RAO 390 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18221+4222 RAO 390 : MEASURES
 
 
No records found.

 
 
WDS 18221+4222 : VIRTUAL EYEPIECE
 
 

18221+4222 RAO 390A mag 15.2 18221+4222 RAO 390B sep 2.8 P.A. 225.60 mag 17.2 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 18221+4222 : ALADIN DSS IMAGE @ 18h 22m 08.10s +42° 22' 00.8"
 
 
 
 
WDS 18221+4222 RAO 390 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18221+4222 RAO 390 distance=0' 18227+4200 KPP4393BC distance=23' 18227+4200 SKF 320AB distance=23' 18242+4228 COU1788AB distance=24' 18242+4228 GII 266Aa,Ab distance=24' 18240+4236 KPP 963 distance=25' 18199+4258 ES 474 distance=44' 18179+4311 KPP4103 distance=68' 18258+4321 BRT1917 distance=72' 18177+4122 LDS4783 distance=78' 18264+4326 HDS2606 distance=80' 18231+4100 COU1602 distance=82' 18295+4242 LDS4788 distance=84' 18294+4158 ES 1559AB distance=85' 18181+4334 A 579 distance=85' 18294+4158 ES 1559BC distance=86' 18186+4104 BRT1915 distance=87' 18241+4054 COU1603 distance=91' 18206+4049 LDS4785 distance=95' 18310+4210 TDT 921 distance=100' 18180+4351 UC 3549 distance=100' 18178+4351 A 578Aa,Ab distance=101' 18178+4351 A 578AB distance=101' 18310+4154 HJ 1328 distance=103' 18158+4107 ES 1651 distance=104' 18217+4039 UC 3559 distance=104' 18294+4328 GCB 32 distance=104' 18130+4251 ES 473BC distance=105' 18130+4251 ES 473AB distance=105' 18130+4251 SLV 6AC distance=105' 18293+4114 KPP 413 distance=105' 18302+4320 A 584 distance=107' 18173+4355 A 577 distance=108' 18274+4355 POP 134CD distance=109' 18274+4355 POP 134AB distance=109' 18274+4355 POP 134AC distance=109' 18301+4325 J 763 distance=110' 18272+4048 TDT 877 distance=111' 18132+4315 A 576 distance=112' 18199+4033 BRT1916 distance=113' 18131+4129 TOK 319 distance=114' 18233+4028 TDT 827 distance=116' 18153+4054 BVD 261 distance=117' 18176+4409 RAO 386 distance=118' 18291+4356 MET 84 distance=122' 18291+4356 KPP3330AC distance=122' 18126+4123 STF2298AB distance=122' 18126+4123 STF2298AC distance=122' 18126+4123 WAL 89AB,D distance=122' 18269+4031 ES 1653 distance=124' 18332+4200 ES 21 distance=126' 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 18221+4222 RAO 390 234 3.3
Show 18227+4200 KPP4393 BC 218 26.7 23
Show 18227+4200 SKF 320 AB 193 1.5 23
Show 18242+4228 COU1788 AB 142 3.0 24
Show 18242+4228 GII 266 Aa,Ab 124 0.1 24
Show 18240+4236 KPP 963 72 7.9 25
Show 18199+4258 ES 474 41 3.0 44
Show 18179+4311 KPP4103 295 1.9 68
Show 18258+4321 BRT1917 53 3.6 72
Show 18177+4122 LDS4783 135 56.4 78
Show 18264+4326 HDS2606 49 1.0 80
Show 18231+4100 COU1602 107 0.2 82
Show 18295+4242 LDS4788 107 241.2 84
Show 18294+4158 ES 1559 AB 87 77.1 85
Show 18181+4334 A 579 340 1.5 85
Show 18294+4158 ES 1559 BC 188 1.7 86
Show 18186+4104 BRT1915 12 4.5 87
Show 18241+4054 COU1603 82 0.3 91
Show 18206+4049 LDS4785 180 36.8 95
Show 18310+4210 TDT 921 114 0.8 100
Show 18180+4351 UC 3549 159 20.7 100
Show 18178+4351 A 578 Aa,Ab 244 0.3 101
Show 18178+4351 A 578 AB 167 1.8 101
Show 18310+4154 HJ 1328 115 21.3 103
Show 18158+4107 ES 1651 5 2.5 104
Show 18217+4039 UC 3559 248 48.2 104
Show 18294+4328 GCB 32 76 5.5 104
Show 18130+4251 ES 473 BC 173 22.5 105
Show 18130+4251 ES 473 AB 98 30.7 105
Show 18130+4251 SLV 6 AC 129 42.8 105
Show 18293+4114 KPP 413 145 5.0 105
Show 18302+4320 A 584 12 4.7 107
Show 18173+4355 A 577 304 0.7 108
Show 18274+4355 POP 134 CD 250 4.6 109
Show 18274+4355 POP 134 AB 62 7.7 109
Show 18274+4355 POP 134 AC 285 66.8 109
Show 18301+4325 J 763 310 1.9 110
Show 18272+4048 TDT 877 76 0.5 111
Show 18132+4315 A 576 282 0.4 112
Show 18199+4033 BRT1916 299 3.2 113
Show 18131+4129 TOK 319 301 94.2 114
Show 18233+4028 TDT 827 124 0.5 116
Show 18153+4054 BVD 261 307 20.9 117
Show 18176+4409 RAO 386 228 0.4 118
Show 18291+4356 MET 84 40 10.1 122
Show 18291+4356 KPP3330 AC 242 20.2 122
Show 18126+4123 STF2298 AB 172 1.9 122
Show 18126+4123 STF2298 AC 40 72.9 122
Show 18126+4123 WAL 89 AB,D 71 46.6 122
Show 18269+4031 ES 1653 190 10.2 124
Show 18332+4200 ES 21 109 7.3 126

 
 
WDS 18221+4222 : COMPONENTS
 
 
  A
B pa=225.6°
sep=2.77"
 
 
18221+4222 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182208.10+422200.8 Mag 15.2 PmRA -32.00
PmDE 156.0
 
 
18221+4222 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182207.92+422158.9 Mag 17.2 Calc delta mag 2
Calc coord yes