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Doubles in session


Current system
20506+5452
DJU 5 AC


Nearby doubles
50' : 20515+5403
ARG 41AB

53' : 20474+5407
ES 997

54' : 20443+5457
TDT2508

55' : 20448+5430
TOI1356

56' : 20518+5357
TDT2586

58' : 20558+5417
CBL 89

67' : 20475+5553
HJ 1580

68' : 20455+5401
HLD 41AB

69' : 20433+5521
LLO 1

71' : 20509+5342
TDT2576

75' : 20421+5436
ES 994

79' : 20414+5454
TDS1090

81' : 20472+5607
KR 52

82' : 20411+5504
TDS1089

83' : 20585+5539
A 1686

83' : 20419+5529
TDT2477

90' : 21006+5432
HJ 1606AB

93' : 20402+5427
A 1682

94' : 20400+5515
HJ 1562AB

95' : 20443+5610
A 1684

96' : 20396+5450
ES 993

98' : 20567+5618
ROE 89

98' : 20403+5413
OSO 129AB

102' : 21016+5422
A 1439AB

102' : 20388+5447
STI2550

103' : 20422+5606
OSW 74



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

20506+5452 DJU 5 AC

 
 
20h 50m 32.53s +54° 51' 57.4" P.A. 66.00 sep 77.9 mag 10.80,12.60
 
 
Coord 2000 20506+5452 Discov num DJU   5 Comp AC Coord arcsec 2000 20 50 32.53 +54 51 57.4
Date first 1954 Date last 2015 Obs 5
Pa first 66 Pa last 65.9 P.A. Now (θ) 65.9°
Sep first 79.1 Sep last 77.886 Sep. Now (ρ) 77.886"
Mag pri 10.80 Mag sec 12.60 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +019 Sec motion ra -004
Pri motion dec +021 Sec motion dec -002
Notes
rPM=1.149
This double is not physical.
 
 
20506+5452 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 50 33 +54 51 57 HJ 1587 AB 2015 13 259 10.4 10.80 12.40 1.60
Show 20 50 33 +54 51 57 DJU 5 AC 2015 5 66 77.9 10.80 12.60 1.80 <===
Show 20 50 41 +54 52 30 DJU 5 CD 2009 5 173 4.0 12.60 13.30 0.70
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2183051410351815552
 
 
WDS 20506+5452 DJU 5 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
DJU Djurkovic, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20506+5452 DJU 5 AC 2000 2 66 78.3 10.80 12.60 D 205032.53+545157.4
20506+5452 DJU 5 AC 2009 3 66 78.5 10.80 12.60 D 205032.53+545157.4
20506+5452 DJU 5 AC 2015 5 66 77.9 10.80 12.60 205032.53+545157.4

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

 
 
WDS 20506+5452 DJU 5 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20506+5452 DJU 5 AC : MEASURES
 
 
No records found.

 
 
WDS 20506+5452 : VIRTUAL EYEPIECE
 
 

20506+5452 HJ 1587A mag 10.8 20506+5452 HJ 1587B sep 10.4 P.A. 258.80 mag 12.4 20506+5452 DJU 5C sep 78.2 P.A. 65.70 mag 12.6 20506+5452 DJU 5D sep 77.2 P.A. 68.60 mag 13.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20506+5452 : ALADIN DSS IMAGE @ 20h 50m 32.53s +54° 51' 57.4"
 
 
 
 
WDS 20506+5452 DJU 5 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20506+5452 DJU 5AC distance=0' 20506+5452 DJU 5CD distance=2' 20515+5403 ARG 41AB distance=50' 20515+5403 ARG 41BC distance=50' 20474+5407 ES 997 distance=53' 20443+5457 TDT2508 distance=54' 20448+5430 TOI1356 distance=55' 20518+5357 TDT2586 distance=56' 20558+5417 CBL 89 distance=58' 20475+5553 HJ 1580 distance=67' 20455+5401 HLD 41AB distance=68' 20455+5401 HLD 41AC distance=68' 20433+5521 LLO 1 distance=69' 20509+5342 TDT2576 distance=71' 20421+5436 ES 994 distance=75' 20414+5454 TDS1090 distance=79' 20472+5607 KR 52 distance=81' 20411+5504 TDS1089 distance=82' 20585+5539 A 1686 distance=83' 20419+5529 TDT2477 distance=83' 21006+5432 HJ 1605DE distance=89' 21006+5432 HJ 1606AB distance=90' 21006+5432 BU 1498AC distance=90' 21006+5432 HJ 1605AD distance=90' 20402+5427 A 1682 distance=93' 20400+5515 HJ 1562AB distance=94' 20400+5515 VBS 31AC distance=94' 20443+5610 A 1684 distance=95' 20396+5450 ES 993 distance=96' 20567+5618 ROE 89 distance=98' 20403+5413 OSO 129AB distance=98' 20403+5413 OSO 129AC distance=98' 20403+5413 OSO 129AD distance=98' 20403+5413 OSO 129AE distance=98' 21016+5422 A 1439AB distance=102' 21016+5422 A 1439AC distance=102' 20388+5447 STI2550 distance=102' 20422+5606 OSW 74 distance=103' 20385+5453 STI2548 distance=104' 20424+5611 VKI 47 distance=106' 21031+5519 ES 1001 distance=111' 20380+5522 STI2547 distance=112' 20375+5437 STI2546 distance=115' 20376+5429 KPP2376 distance=115' 20404+5615 OSW 73 distance=120' 20369+5429 STI2545 distance=120' 20368+5431 TDT2419 distance=121' 20424+5312 RAO 618CD distance=124' 20553+5651 A 752 distance=126' 21036+5358 HDS2999Aa,Ab distance=127' 21036+5358 ES 2704AB distance=127' 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 20506+5452 HJ 1587 AB 259 10.4 0
Show 20506+5452 DJU 5 AC 66 77.9 0
Show 20506+5452 DJU 5 CD 173 4.0 2
Show 20515+5403 ARG 41 AB 194 11.2 50
Show 20515+5403 ARG 41 BC 250 11.3 50
Show 20474+5407 ES 997 274 3.3 53
Show 20443+5457 TDT2508 70 0.7 54
Show 20448+5430 TOI1356 289 0.3 55
Show 20518+5357 TDT2586 350 0.8 56
Show 20558+5417 CBL 89 150 14.4 58
Show 20475+5553 HJ 1580 245 10.9 67
Show 20455+5401 HLD 41 AB 225 3.7 68
Show 20455+5401 HLD 41 AC 262 9.6 68
Show 20433+5521 LLO 1 20 0.1 69
Show 20509+5342 TDT2576 57 0.7 71
Show 20421+5436 ES 994 11 4.7 75
Show 20414+5454 TDS1090 226 1.0 79
Show 20472+5607 KR 52 64 4.6 81
Show 20411+5504 TDS1089 252 1.4 82
Show 20585+5539 A 1686 282 1.9 83
Show 20419+5529 TDT2477 266 1.2 83
Show 21006+5432 HJ 1605 DE 118 21.3 89
Show 21006+5432 HJ 1606 AB 184 18.7 90
Show 21006+5432 BU 1498 AC 336 54.3 90
Show 21006+5432 HJ 1605 AD 219 207.5 90
Show 20402+5427 A 1682 49 1.4 93
Show 20400+5515 HJ 1562 AB 167 21.7 94
Show 20400+5515 VBS 31 AC 13 45.6 94
Show 20443+5610 A 1684 141 2.1 95
Show 20396+5450 ES 993 194 2.0 96
Show 20567+5618 ROE 89 241 5.5 98
Show 20403+5413 OSO 129 AB 141 10.8 98
Show 20403+5413 OSO 129 AC 115 17.1 98
Show 20403+5413 OSO 129 AD 143 19.9 98
Show 20403+5413 OSO 129 AE 70 19.7 98
Show 21016+5422 A 1439 AB 250 4.4 102
Show 21016+5422 A 1439 AC 342 16.5 102
Show 20388+5447 STI2550 183 12.4 102
Show 20422+5606 OSW 74 88 127.2 103
Show 20385+5453 STI2548 168 13.8 104
Show 20424+5611 VKI 47 340 2.3 106
Show 21031+5519 ES 1001 32 3.6 111
Show 20380+5522 STI2547 86 2.5 112
Show 20375+5437 STI2546 38 8.9 115
Show 20376+5429 KPP2376 92 20.5 115
Show 20404+5615 OSW 73 250 188.6 120
Show 20369+5429 STI2545 159 3.2 120
Show 20368+5431 TDT2419 80 0.8 121
Show 20424+5312 RAO 618 CD 36 0.3 124
Show 20553+5651 A 752 8 1.2 126
Show 21036+5358 HDS2999 Aa,Ab 352 0.3 127

 
 
WDS 20506+5452 : COMPONENTS
 
 
  A B C
B pa=258.8°
sep=10.37"
 
C pa=65.7°
sep=78.23"
pa=67.2°
sep=88.36"
 
D pa=68.6°
sep=77.15"
pa=69.8°
sep=87.37"
pa=172.7°
sep=4.04"
 
 
20506+5452 A
 
 
Coord arcsec 2000 205032.53+545157.4 Mag 10.8 PmRA 19.00 PmDE 21.0
CCDM
Ccdm 20506+5452 RComp Comp A Note1
Note2 Discov num DRAs -3.72 DDEs -3.3
R dRAs 65 Year Theta Rho
Obs 4 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430A
HIC
 
 
20506+5452 B
 
 
Coord arcsec 2000 205031.35+545155.4 Mag 12.4 PmRA -6.00 PmDE -4.0
Delta magnitude 1.6 Coordinate calculated yes
CCDM
Ccdm 20506+5452 RComp Comp B Note1
Note2 Discov num HJ 1587 DRAs DDEs
R dRAs Year 1955 Theta 267 Rho 9.4
Obs 3 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430B
HIC
 
 
20506+5452 C
 
 
Coord arcsec 2000 205040.79+545229.6 Coord calc 205040.79+545229.6 Mag 12.6 PmRA -4.00
PmDE -2.0 Delta magnitude 1.8
CCDM
Ccdm 20506+5452 RComp Comp C Note1
Note2 Discov num DJU DRAs 4.87 DDEs 28.0
R dRAs 65 Year 1954 Theta 066 Rho 79.1
Obs 1 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430C
HIC
 
 
20506+5452 D
 
 
Coord arcsec 2000 205040.85+545225.6 Mag 13.3 PmRA -7.00 PmDE -6.0
Delta magnitude 2.5 Coordinate calculated yes
CCDM
Ccdm 20506+5452 RComp C Comp D Note1
Note2 Discov num DJU DRAs DDEs
R dRAs Year 1954 Theta 167 Rho 3.8
Obs 2 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430D
HIC