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Current system
20315+5520
TDS 1079


Nearby doubles
3' : 20312+5519
A 1678

31' : 20281+5513
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STI2542

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TDT2293

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MLR 589

46' : 20298+5436
STI2536

47' : 20260+5526
STI2527

48' : 20295+5604
KUI 97

48' : 20264+5500
STI2528

51' : 20257+5508
A 1429

52' : 20315+5611
HJ 1540AB

56' : 20354+5435
STI2543

56' : 20380+5522
STI2547

56' : 20256+5544
KPP4196

56' : 20365+5557
VBS 30AB

57' : 20284+5430
STF2693

58' : 20358+5435
ES 991AB

59' : 20248+5534
TDS1071

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MLR 588

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TDT2241

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STI2539

64' : 20255+5441
HJ 1516AB

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STI2548

67' : 20342+5622
HJ 1546



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20315+5520 TDS 1079

 
 
20h 31m 28.20s +55° 19' 46.5" P.A. 126.00 sep 0.9 mag 10.67,11.17 Sp A2
 
 
Coord 2000 20315+5520 Discov num TDS1079 Comp Coord arcsec 2000 20 31 28.20 +55 19 46.5
Date first 1991 Date last 2016 Obs 6
Pa first 124 Pa last 125.5 P.A. Now (θ) 125.5°
Sep first 0.9 Sep last 0.88 Sep. Now (ρ) 0.88"
Mag pri 10.67 Mag sec 11.17 delta mag (ΔM) 0.5 Spectral class A2 (white)
Pri motion ra -003 Sec motion ra -003
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3954-01011-1 Gaia DR2 2186563319211592448
 
 
WDS 20315+5520 TDS 1079 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20315+5520 TDS1079 1991 1 124 0.9 10.67 11.17 203128.20+551946.5
20315+5520 TDS1079 2015 2 124 0.8 10.67 11.17 A2 203128.20+551946.5
20315+5520 TDS1079 2016 5 126 0.9 10.67 11.17 A2 203128.20+551946.5

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

 
 
WDS 20315+5520 TDS 1079 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20315+5520 TDS 1079 : MEASURES
 
 
No records found.

 
 
WDS 20315+5520 : VIRTUAL EYEPIECE
 
 

20315+5520 TDS1079A mag 10.67 Sp A2 20315+5520 TDS1079B sep 0.7 P.A. 141.40 mag 11.17 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 20315+5520 : ALADIN DSS IMAGE @ 20h 31m 28.20s +55° 19' 46.5"
 
 
 
 
WDS 20315+5520 TDS 1079 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20315+5520 TDS1079 distance=0' 20312+5519 A 1678 distance=3' 20281+5513 STI2533 distance=31' 20351+5524 STI2542 distance=40' 20278+5456 TDT2293 distance=40' 20306+5439 MLR 589 distance=42' 20298+5436 STI2536 distance=46' 20260+5526 STI2527 distance=47' 20295+5604 KUI 97 distance=48' 20264+5500 STI2528 distance=48' 20257+5508 A 1429 distance=51' 20315+5611 HJ 1540AB distance=52' 20315+5611 HJ 1540AC distance=52' 20354+5435 STI2543 distance=56' 20380+5522 STI2547 distance=56' 20256+5544 KPP4196 distance=56' 20365+5557 VBS 30AB distance=56' 20365+5557 HJ 1556AC distance=56' 20365+5557 VBS 30AD distance=56' 20284+5430 STF2693 distance=57' 20358+5435 ES 991AB distance=58' 20358+5435 ES 991AC distance=58' 20248+5534 TDS1071 distance=59' 20246+5527 MLR 588 distance=59' 20358+5435 ES 991CD distance=59' 20337+5616 HJ 1545 distance=60' 20244+5509 TDT2241 distance=62' 20300+5621 STI2537 distance=63' 20331+5420 STI2539 distance=63' 20255+5441 HJ 1516AB distance=64' 20255+5441 HJ 1516AC distance=64' 20385+5453 STI2548 distance=66' 20342+5622 HJ 1546 distance=67' 20375+5437 STI2546 distance=67' 20368+5431 TDT2419 distance=68' 20247+5446 TDT2247 distance=68' 20255+5434 GIC 157 distance=70' 20352+5622 HJ 1552 distance=70' 20252+5437 STI2524 distance=70' 20388+5447 STI2550 distance=71' 20369+5429 STI2545 distance=71' 20258+5612 TDT2262 distance=71' 20351+5624 HJ 1551 distance=72' 20265+5619 BU 433AB distance=73' 20265+5619 BU 433AC distance=73' 20400+5515 HJ 1562AB distance=73' 20400+5515 VBS 31AC distance=73' 20376+5429 KPP2376 distance=73' 20301+5407 TDS1077 distance=75' 20243+5602 TDT2239 distance=75' 20396+5450 ES 993 distance=76' 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 20315+5520 TDS1079 126 0.9
Show 20312+5519 A 1678 351 2.4 3
Show 20281+5513 STI2533 198 10.0 31
Show 20351+5524 STI2542 337 5.5 40
Show 20278+5456 TDT2293 261 0.8 40
Show 20306+5439 MLR 589 310 1.6 42
Show 20298+5436 STI2536 91 7.5 46
Show 20260+5526 STI2527 81 5.2 47
Show 20295+5604 KUI 97 129 0.8 48
Show 20264+5500 STI2528 214 10.1 48
Show 20257+5508 A 1429 187 0.7 51
Show 20315+5611 HJ 1540 AB 346 22.7 52
Show 20315+5611 HJ 1540 AC 130 40.7 52
Show 20354+5435 STI2543 208 3.2 56
Show 20380+5522 STI2547 86 2.5 56
Show 20256+5544 KPP4196 114 2.7 56
Show 20365+5557 VBS 30 AB 141 4.6 56
Show 20365+5557 HJ 1556 AC 222 6.6 56
Show 20365+5557 VBS 30 AD 97 29.6 56
Show 20284+5430 STF2693 12 13.7 57
Show 20358+5435 ES 991 AB 297 15.9 58
Show 20358+5435 ES 991 AC 106 61.7 58
Show 20248+5534 TDS1071 184 0.9 59
Show 20246+5527 MLR 588 245 0.2 59
Show 20358+5435 ES 991 CD 120 2.6 59
Show 20337+5616 HJ 1545 180 15.5 60
Show 20244+5509 TDT2241 263 1.7 62
Show 20300+5621 STI2537 343 12.7 63
Show 20331+5420 STI2539 255 10.1 63
Show 20255+5441 HJ 1516 AB 147 47.3 64
Show 20255+5441 HJ 1516 AC 204 50.3 64
Show 20385+5453 STI2548 168 13.8 66
Show 20342+5622 HJ 1546 246 17.4 67
Show 20375+5437 STI2546 38 8.9 67
Show 20368+5431 TDT2419 80 0.8 68
Show 20247+5446 TDT2247 213 0.6 68
Show 20255+5434 GIC 157 298 27.6 70
Show 20352+5622 HJ 1552 234 21.3 70
Show 20252+5437 STI2524 60 14.0 70
Show 20388+5447 STI2550 183 12.4 71
Show 20369+5429 STI2545 159 3.2 71
Show 20258+5612 TDT2262 95 0.8 71
Show 20351+5624 HJ 1551 225 42.2 72
Show 20265+5619 BU 433 AB 207 7.6 73
Show 20265+5619 BU 433 AC 241 29.3 73
Show 20400+5515 HJ 1562 AB 167 21.7 73
Show 20400+5515 VBS 31 AC 13 45.6 73
Show 20376+5429 KPP2376 92 20.5 73
Show 20301+5407 TDS1077 12 1.0 75
Show 20243+5602 TDT2239 256 1.7 75
Show 20396+5450 ES 993 194 2.0 76

 
 
WDS 20315+5520 : COMPONENTS
 
 
  A
B pa=141.4°
sep=0.65"
 
 
20315+5520 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203128.20+551946.5 Mag 10.67 Spectral class A2 (white)
PmRA -3.00 PmDE -11.0 Tycho2 3954-01011-1
Tycho2
Tycho2 3954-01011-1 Pflag P RAmdeg 307.86748597 DEmdeg 55.32958268
PmRA -3.2 PmDE -11.4 E RAmdeg 29 E DEmdeg 27
E pmRA 2.1 E pmDE 2.1 EpRAm 1989.56 EpDEm 1989.93
Num 6 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.0 BTmag 10.818 E BTmag 0.042 VTmag 10.672
E VTmag 0.050 Prox 9 TYC T HIP
CCDM RAdeg 307.86741000 DEdeg 55.32964250 EpRA 1990 1.65
EpDE 1990 1.75 E RAdeg 28.5 E DEdeg 27.4 Posflg D
Corr 0.1
 
 
20315+5520 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203128.25+551946.0 Mag 11.17 PmRA -3.00
PmDE -11.0 Tycho2 3954-01011-2 Calc delta mag 0.5 Calc coord yes
Tycho2
Tycho2 3954-01011-2 Pflag P RAmdeg 307.86748597 DEmdeg 55.32958268
PmRA -3.2 PmDE -11.4 E RAmdeg 29 E DEmdeg 27
E pmRA 2.1 E pmDE 2.1 EpRAm 1989.56 EpDEm 1989.93
Num 6 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.0 BTmag 11.626 E BTmag 0.073 VTmag 11.170
E VTmag 0.078 Prox 9 TYC T HIP
CCDM RAdeg 307.86778472 DEdeg 55.32950000 EpRA 1990 1.66
EpDE 1990 1.74 E RAdeg 49.0 E DEdeg 47.3 Posflg D
Corr 0.1