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Doubles in session


Current system
20515+3104
RAO 676 AC


Nearby doubles
15' : 20506+3055
BU 67AB

26' : 20534+3113
TDT2609

28' : 20535+3057
STTA212

28' : 20525+3040
TDT2594

29' : 20523+3038
LDS6417

30' : 20493+3113
TDS1101

30' : 20492+3111
LDS2930

31' : 20538+3104
CLL 16

33' : 20528+3132
TDT2599

38' : 20530+3136
TDT2602

39' : 20540+3124
ES 371

41' : 20487+3124
TDT2555

42' : 20506+3024
STT 415

43' : 20484+3049
TDT2552

43' : 20536+3138
HDS2976

44' : 20554+3059
J 2329

44' : 20547+3046
LDS2934

46' : 20538+3029
J 3117

48' : 20478+3057
ES 368

48' : 20529+3149
A 1213

49' : 20503+3151
TDT2570

53' : 20529+3154
GYL 40

54' : 20491+3148
ES 370

58' : 20535+3156
GYL 41

61' : 20554+3033
GRV 396

63' : 20519+3002
TDT2587



Selections
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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.

20515+3104 RAO 676 AC

 
 
20h 51m 28.89s +31° 04' 22.4" P.A. 22.00 sep 4.5 mag 12.10,16.20
 
 
Coord 2000 20515+3104 Discov num RAO 676 Comp AC Coord arcsec 2000 20 51 28.89 +31 04 22.4
Date first 2017 Date last 2017 Obs 1
Pa first 22 Pa last 22.3 P.A. Now (θ) 22.3°
Sep first 4.5 Sep last 4.54 Sep. Now (ρ) 4.54"
Mag pri 12.10 Mag sec 16.20 delta mag (ΔM) 4.1 Spectral class
Pri motion ra +055 Sec motion ra
Pri motion dec -212 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
20515+3104 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 51 29 +31 04 22 NSN 737 AB 2017 5 134 1.4 12.70 13.42 0.72
Show 20 51 29 +31 04 22 RAO 676 AC 2017 1 22 4.5 12.10 16.20 4.10 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus
 
 
WDS 20515+3104 RAO 676 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
NSN Nanson, J., McGaughey, S. & Armstrong, J.D.
RAO Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C.,
RAO Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al.
RAO Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr.,
RAO Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G.,
RAO Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P.
RAO Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D.,
RAO Schonhut, J., & Crepp, J.
RAO Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L.,
RAO Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R.
RAO Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos,
RAO E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W.
RAO Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W.,
RAO Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D.,
RAO Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu,
RAO Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem,
RAO R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M.
RAO Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J.,
RAO AJ 159, 139, 2020
RAO Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M.,
RAO AJ 162, 102, 2021
RAO Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry,
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20515+3104 RAO 676 AC 2017 1 22 4.5 12.10 16.20 R 205128.89+310422.4

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

 
 
WDS 20515+3104 RAO 676 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20515+3104 RAO 676 AC : MEASURES
 
 
No records found.

 
 
WDS 20515+3104 : VIRTUAL EYEPIECE
 
 

20515+3104 NSN 737A mag 12.7 20515+3104 NSN 737B sep 1.4 P.A. 134.40 mag 13.42 20515+3104 RAO 676C sep 4.5 P.A. 22.30 mag 16.2 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 20515+3104 : ALADIN DSS IMAGE @ 20h 51m 28.89s +31° 04' 22.4"
 
 
 
 
WDS 20515+3104 RAO 676 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20515+3104 RAO 676AC distance=0' 20506+3055 BU 67AB distance=15' 20506+3055 GII 293Aa,Ab distance=15' 20534+3113 TDT2609 distance=26' 20535+3057 STTA212 distance=28' 20525+3040 TDT2594 distance=28' 20523+3038 LDS6417 distance=29' 20493+3113 TDS1101 distance=30' 20492+3111 LDS2930 distance=30' 20538+3104 CLL 16 distance=31' 20528+3132 TDT2599 distance=33' 20530+3136 TDT2602 distance=38' 20540+3124 ES 371 distance=39' 20487+3124 TDT2555 distance=41' 20506+3024 STT 415 distance=42' 20484+3049 TDT2552 distance=43' 20536+3138 HDS2976 distance=43' 20554+3059 J 2329 distance=44' 20547+3046 LDS2934 distance=44' 20538+3029 J 3117 distance=46' 20478+3057 ES 368 distance=48' 20529+3149 A 1213 distance=48' 20503+3151 TDT2570 distance=49' 20529+3154 GYL 40 distance=53' 20491+3148 ES 370 distance=54' 20535+3156 GYL 41 distance=58' 20554+3033 GRV 396 distance=61' 20519+3002 TDT2587 distance=63' 20555+3028 TDT2633 distance=64' 20487+3159 ES 369 distance=66' 20554+3147 TDT2630 distance=66' 20567+3047 LDS2935 distance=68' 20483+3009 TDT2551 distance=69' 20475+3016 COU1176 distance=71' 20493+2957 TDS1102 distance=73' 20455+3102 A 1211 distance=77' 20470+3156 GYL 71 distance=78' 20567+3027 TDT2650 distance=78' 20456+3043 STF2726 distance=78' 20493+3217 LDS2931AB distance=78' 20493+3217 HLA 28AC distance=78' 20534+3220 ES 2380 distance=80' 20531+3221 ES 2379 distance=81' 20562+3158 ES 372 distance=82' 20540+3220 TDT2615 distance=82' 20464+3155 TDT2532 distance=83' 20553+3214 GYL 42 distance=85' 20559+3206 STT 421AB distance=86' 20559+3206 HU 1655AC distance=86' 20559+3206 FYM 140AD distance=86' 20471+3210 ARY 61 distance=87' 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 20515+3104 NSN 737 AB 134 1.4 0
Show 20515+3104 RAO 676 AC 22 4.5 0
Show 20506+3055 BU 67 AB 311 1.5 15
Show 20506+3055 GII 293 Aa,Ab 137 0.1 15
Show 20534+3113 TDT2609 11 0.5 26
Show 20535+3057 STTA212 155 65.7 28
Show 20525+3040 TDT2594 160 0.8 28
Show 20523+3038 LDS6417 295 228.9 29
Show 20493+3113 TDS1101 231 1.2 30
Show 20492+3111 LDS2930 273 22.2 30
Show 20538+3104 CLL 16 184 32.0 31
Show 20528+3132 TDT2599 325 1.7 33
Show 20530+3136 TDT2602 64 0.6 38
Show 20540+3124 ES 371 134 3.5 39
Show 20487+3124 TDT2555 188 0.9 41
Show 20506+3024 STT 415 234 3.7 42
Show 20484+3049 TDT2552 124 2.3 43
Show 20536+3138 HDS2976 265 0.2 43
Show 20554+3059 J 2329 12 6.6 44
Show 20547+3046 LDS2934 178 10.8 44
Show 20538+3029 J 3117 40 5.5 46
Show 20478+3057 ES 368 359 3.1 48
Show 20529+3149 A 1213 178 3.3 48
Show 20503+3151 TDT2570 262 3.2 49
Show 20529+3154 GYL 40 22 23.0 53
Show 20491+3148 ES 370 44 7.7 54
Show 20535+3156 GYL 41 203 34.2 58
Show 20554+3033 GRV 396 349 67.4 61
Show 20519+3002 TDT2587 349 1.0 63
Show 20555+3028 TDT2633 116 1.4 64
Show 20487+3159 ES 369 316 7.1 66
Show 20554+3147 TDT2630 86 1.9 66
Show 20567+3047 LDS2935 200 10.0 68
Show 20483+3009 TDT2551 41 3.2 69
Show 20475+3016 COU1176 45 0.4 71
Show 20493+2957 TDS1102 19 1.1 73
Show 20455+3102 A 1211 242 3.6 77
Show 20470+3156 GYL 71 46 24.4 78
Show 20567+3027 TDT2650 310 0.6 78
Show 20456+3043 STF2726 74 5.8 78
Show 20493+3217 LDS2931 AB 246 34.4 78
Show 20493+3217 HLA 28 AC 125 5.3 78
Show 20534+3220 ES 2380 333 5.5 80
Show 20531+3221 ES 2379 115 7.0 81
Show 20562+3158 ES 372 146 3.5 82
Show 20540+3220 TDT2615 281 0.4 82
Show 20464+3155 TDT2532 104 4.6 83
Show 20553+3214 GYL 42 26 15.1 85
Show 20559+3206 STT 421 AB 194 34.8 86
Show 20559+3206 HU 1655 AC 73 30.6 86
Show 20559+3206 FYM 140 AD 162 29.5 86

 
 
WDS 20515+3104 : COMPONENTS
 
 
  A B
B pa=134.4°
sep=1.40"
 
C pa=22.3°
sep=4.54"
pa=7.9°
sep=5.23"
 
 
20515+3104 A
 
 
Coord arcsec 2000 205128.89+310422.4 Mag 12.7 PmRA 55.00 PmDE -212.0
 
 
20515+3104 B
 
 
Coord arcsec 2000 205128.97+310421.4 Mag 13.42 PmRA 52.00 PmDE -222.0
Delta magnitude 0.72 Coordinate calculated yes
 
 
20515+3104 C
 
 
Coord arcsec 2000 205129.02+310426.6 Mag 16.2 Delta magnitude 3.5 Coordinate calculated yes