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Doubles in session


Current system
21090+5654
RAO 447


Nearby doubles
21' : 21106+5710
ES 1760

23' : 21101+5715
STI2561

31' : 21119+5713
TDT2813

36' : 21062+5628
TDT2747

39' : 21112+5620
DOO 16

47' : 21147+5702
HJ 1630

48' : 21114+5737
MLR 590

52' : 21085+5603
PET 1

59' : 21021+5640
STF2751

59' : 21019+5704
BU 1139

62' : 21067+5556
TDT2753

68' : 21045+5558
KPP4223

70' : 21165+5727
STI2562

72' : 21005+5709
STI2557

78' : 20599+5714
ES 136

94' : 21141+5818
STF2783

95' : 21178+5756
STI2564

99' : 21152+5531
A 1692

101' : 21203+5737
MLB 87

101' : 20567+5656
A 755

103' : 21103+5512
BU 1500AB

104' : 21047+5831
HDS3002

108' : 21031+5519
ES 1001

110' : 21220+5631
CRB 210

110' : 21196+5552
MLR 582

113' : 21096+5502
HJ 1621



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.

21090+5654 RAO 447

 
 
21h 09m 00.73s +56° 54' 13.4" P.A. 234.00 sep 3.5 mag 13.60,18.60
 
 
Coord 2000 21090+5654 Discov num RAO 447 Comp Coord arcsec 2000 21 09 00.73 +56 54 13.4
Date first 2016 Date last 2016 Obs 1
Pa first 234 Pa last 233.7 P.A. Now (θ) 233.7°
Sep first 3.5 Sep last 3.544 Sep. Now (ρ) 3.544"
Mag pri 13.60 Mag sec 18.60 delta mag (ΔM) 5 Spectral class
Pri motion ra -158 Sec motion ra
Pri motion dec -478 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus
 
 
WDS 21090+5654 RAO 447 : 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
21090+5654 RAO 447 2016 1 234 3.5 13.60 18.60 R 210900.73+565413.4

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

 
 
WDS 21090+5654 RAO 447 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21090+5654 RAO 447 : MEASURES
 
 
No records found.

 
 
WDS 21090+5654 : VIRTUAL EYEPIECE
 
 

21090+5654 RAO 447A mag 13.6 21090+5654 RAO 447B sep 2.6 P.A. 216.60 mag 18.6 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 21090+5654 : ALADIN DSS IMAGE @ 21h 09m 00.73s +56° 54' 13.4"
 
 
 
 
WDS 21090+5654 RAO 447 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21090+5654 RAO 447 distance=1' 21106+5710 ES 1760 distance=21' 21101+5715 STI2561 distance=23' 21119+5713 TDT2813 distance=31' 21062+5628 TDT2747 distance=36' 21112+5620 DOO 16 distance=39' 21147+5702 HJ 1630 distance=47' 21114+5737 MLR 590 distance=48' 21085+5603 PET 1 distance=52' 21021+5640 STF2751 distance=59' 21019+5704 BU 1139 distance=59' 21067+5556 TDT2753 distance=62' 21045+5558 KPP4223 distance=68' 21165+5727 STI2562 distance=70' 21005+5709 STI2557 distance=72' 20599+5714 ES 136 distance=78' 21141+5818 STF2783 distance=94' 21178+5756 STI2564 distance=95' 21152+5531 A 1692 distance=99' 21203+5737 MLB 87 distance=101' 20567+5656 A 755 distance=101' 21103+5512 BU 1500AB distance=103' 21103+5512 HJ 1622AC distance=103' 21047+5831 HDS3002 distance=104' 21031+5519 ES 1001 distance=108' 21220+5631 CRB 210 distance=110' 21196+5552 MLR 582 distance=110' 21096+5502 HJ 1621 distance=113' 20553+5651 A 752 distance=113' 21223+5734 A 764AB distance=116' 21223+5734 POP1233AC distance=116' 21088+5459 CVR 239 distance=116' 20585+5539 A 1686 distance=116' 21202+5809 STI2566 distance=118' 21173+5837 BU 1140AB distance=123' 21173+5837 BU 1140AC distance=123' 21173+5837 PET 2Aa,Ab distance=123' 21122+5854 ARG 107 distance=123' 20540+5711 ES 135AB distance=124' 20540+5711 ES 135AC distance=124' 20567+5618 ROE 89 distance=125' 21070+5900 STF2766 distance=127' 21246+5715 HEI 881 distance=129' 20538+5739 OSW 76 distance=132' 21193+5837 BAG 9Aa,Ab distance=132' 21193+5837 STF2790AB distance=132' 21193+5837 STF2790AC distance=132' 21193+5837 STF2790AD distance=132' 21082+5907 A 760AB distance=134' 21166+5455 TDT2877 distance=135' 21249+5734 A 766 distance=136' 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 21090+5654 RAO 447 234 3.5 1
Show 21106+5710 ES 1760 29 2.1 21
Show 21101+5715 STI2561 183 14.2 23
Show 21119+5713 TDT2813 359 0.5 31
Show 21062+5628 TDT2747 26 0.4 36
Show 21112+5620 DOO 16 29 1.1 39
Show 21147+5702 HJ 1630 133 17.4 47
Show 21114+5737 MLR 590 7 0.2 48
Show 21085+5603 PET 1 343 0.2 52
Show 21021+5640 STF2751 356 1.6 59
Show 21019+5704 BU 1139 136 2.1 59
Show 21067+5556 TDT2753 31 0.7 62
Show 21045+5558 KPP4223 236 1.9 68
Show 21165+5727 STI2562 77 11.2 70
Show 21005+5709 STI2557 131 8.1 72
Show 20599+5714 ES 136 159 4.2 78
Show 21141+5818 STF2783 348 0.7 94
Show 21178+5756 STI2564 212 5.0 95
Show 21152+5531 A 1692 167 0.3 99
Show 21203+5737 MLB 87 333 2.7 101
Show 20567+5656 A 755 189 0.1 101
Show 21103+5512 BU 1500 AB 114 7.8 103
Show 21103+5512 HJ 1622 AC 296 12.8 103
Show 21047+5831 HDS3002 327 0.2 104
Show 21031+5519 ES 1001 32 3.6 108
Show 21220+5631 CRB 210 341 12.9 110
Show 21196+5552 MLR 582 348 0.9 110
Show 21096+5502 HJ 1621 148 19.4 113
Show 20553+5651 A 752 8 1.2 113
Show 21223+5734 A 764 AB 21 1.3 116
Show 21223+5734 POP1233 AC 192 84.1 116
Show 21088+5459 CVR 239 190 93.9 116
Show 20585+5539 A 1686 282 1.9 116
Show 21202+5809 STI2566 125 13.2 118
Show 21173+5837 BU 1140 AB 274 4.2 123
Show 21173+5837 BU 1140 AC 271 68.2 123
Show 21173+5837 PET 2 Aa,Ab 271 0.1 123
Show 21122+5854 ARG 107 193 37.0 123
Show 20540+5711 ES 135 AB 199 7.1 124
Show 20540+5711 ES 135 AC 115 71.7 124
Show 20567+5618 ROE 89 241 5.5 125
Show 21070+5900 STF2766 247 4.5 127
Show 21246+5715 HEI 881 71 3.2 129
Show 20538+5739 OSW 76 326 145.5 132
Show 21193+5837 BAG 9 Aa,Ab 123 0.1 132
Show 21193+5837 STF2790 AB 45 4.6 132
Show 21193+5837 STF2790 AC 183 15.8 132
Show 21193+5837 STF2790 AD 352 74.8 132
Show 21082+5907 A 760 AB 331 3.5 134
Show 21166+5455 TDT2877 340 1.1 135
Show 21249+5734 A 766 225 0.6 136

 
 
WDS 21090+5654 : COMPONENTS
 
 
  A
B pa=216.6°
sep=2.61"
 
 
21090+5654 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210900.73+565413.4 Mag 13.6 PmRA -158.00
PmDE -478.0
 
 
21090+5654 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210900.54+565411.3 Mag 18.6 Calc delta mag 5
Calc coord yes