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Doubles in session


Current system
20538+3431
TDT 2611


Nearby doubles
8' : 20544+3435
SEI1304

18' : 20543+3415
KPP3363AB

24' : 20521+3439
RAO 521

28' : 20540+3459
SEI1303

37' : 20522+3401
TDT2593

41' : 20537+3512
SEI1298

43' : 20536+3514
HO 146

44' : 20532+3349
TDT2605

46' : 20502+3441
SEI1269

46' : 20522+3513
HO 145

49' : 20504+3406
GRV 387

50' : 20564+3353
TDT2647

52' : 20498+3442
SEI1264

54' : 20551+3523
SEI1310

56' : 20493+3430
POP 51

57' : 20542+3528
GRV 394

58' : 20568+3348
COU1812AB

63' : 20488+3426
SEI1256

63' : 20535+3534
SEI1295

63' : 20490+3451
SEI1259

64' : 20562+3335
ES 2312

64' : 20489+3449
SEI1258

66' : 20539+3326
BLL 52

67' : 20582+3510
COU1813

68' : 20592+3435
POP 27

68' : 20593+3430
POP 28



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

20538+3431 TDT 2611

 
 
20h 53m 48.78s +34° 31' 29.9" P.A. 160.00 sep 2.1 mag 11.40,12.20
 
 
Coord 2000 20538+3431 Discov num TDT2611 Comp Coord arcsec 2000 20 53 48.78 +34 31 29.9
Date first 1991 Date last 1991 Obs 1
Pa first 160 Pa last 159.9 P.A. Now (θ) 159.9°
Sep first 2.1 Sep last 2.14 Sep. Now (ρ) 2.14"
Mag pri 11.40 Mag sec 12.20 delta mag (ΔM) 0.8 Spectral class
Pri motion ra +004 Sec motion ra +004
Pri motion dec -009 Sec motion dec -009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2696-02016-1 Gaia DR2 1869575422599714560
 
 
WDS 20538+3431 TDT 2611 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20538+3431 TDT2611 1991 1 160 2.1 11.40 12.20 205348.78+343129.9

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

 
 
WDS 20538+3431 TDT 2611 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20538+3431 TDT 2611 : MEASURES
 
 
No records found.

 
 
WDS 20538+3431 : VIRTUAL EYEPIECE
 
 

20538+3431 TDT2611A mag 11.4 20538+3431 TDT2611B sep 2.1 P.A. 163.20 mag 12.2 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 20538+3431 : ALADIN DSS IMAGE @ 20h 53m 48.78s +34° 31' 29.9"
 
 
 
 
WDS 20538+3431 TDT 2611 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20538+3431 TDT2611 distance=1' 20544+3435 SEI1304 distance=8' 20543+3415 KPP3363AB distance=18' 20521+3439 RAO 521 distance=24' 20540+3459 SEI1303 distance=28' 20522+3401 TDT2593 distance=37' 20537+3512 SEI1298 distance=41' 20536+3514 HO 146 distance=43' 20532+3349 TDT2605 distance=44' 20502+3441 SEI1269 distance=46' 20522+3513 HO 145 distance=46' 20504+3406 GRV 387 distance=49' 20564+3353 TDT2647 distance=50' 20498+3442 SEI1264 distance=52' 20551+3523 SEI1310 distance=54' 20493+3430 POP 51 distance=56' 20542+3528 GRV 394 distance=57' 20568+3348 COU1812AB distance=58' 20568+3348 DAM 220AB,C distance=58' 20488+3426 SEI1256 distance=63' 20535+3534 SEI1295 distance=63' 20490+3451 SEI1259 distance=63' 20562+3335 ES 2312 distance=64' 20489+3449 SEI1258 distance=64' 20539+3326 BLL 52 distance=66' 20582+3510 COU1813 distance=67' 20592+3435 POP 27 distance=68' 20593+3430 POP 28 distance=68' 20519+3327 GYL 26AB distance=69' 20519+3327 WSI 47AC distance=69' 20489+3503 SEI1257AB distance=70' 20503+3337 ES 2378 distance=71' 20539+3320 TDT2612 distance=73' 20557+3540 SEI1316 distance=73' 20562+3538 HU 763 distance=73' 20533+3319 LDS2933 distance=74' 20584+3344 COU1635 distance=74' 20528+3320 LDS2932 distance=74' 20561+3541 TDT2641 distance=75' 20522+3544 HJ 1586 distance=76' 20520+3320 TDT2590 distance=76' 20481+3403 LDS1047 distance=76' 20499+3531 SEI1266 distance=77' 20486+3424 ES 249 distance=78' 20479+3456 TDT2545 distance=78' 20501+3534 TDT2567 distance=79' 20520+3547 TDT2589 distance=79' 20560+3546 COU2134 distance=80' 20513+3546 TDT2580 distance=81' 21004+3426 FAR 1 distance=82' 20472+3422 BU 677AB distance=83' 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 20538+3431 TDT2611 160 2.1 1
Show 20544+3435 SEI1304 68 21.0 8
Show 20543+3415 KPP3363 AB 275 49.6 18
Show 20521+3439 RAO 521 -1 0.2 24
Show 20540+3459 SEI1303 139 20.7 28
Show 20522+3401 TDT2593 357 2.3 37
Show 20537+3512 SEI1298 15 28.2 41
Show 20536+3514 HO 146 46 0.4 43
Show 20532+3349 TDT2605 301 0.8 44
Show 20502+3441 SEI1269 148 7.9 46
Show 20522+3513 HO 145 286 16.9 46
Show 20504+3406 GRV 387 254 26.4 49
Show 20564+3353 TDT2647 196 0.9 50
Show 20498+3442 SEI1264 39 7.5 52
Show 20551+3523 SEI1310 281 29.3 54
Show 20493+3430 POP 51 347 6.6 56
Show 20542+3528 GRV 394 6 71.0 57
Show 20568+3348 COU1812 AB 105 1.1 58
Show 20568+3348 DAM 220 AB,C 193 7.6 58
Show 20488+3426 SEI1256 279 26.3 63
Show 20535+3534 SEI1295 32 9.6 63
Show 20490+3451 SEI1259 88 15.5 63
Show 20562+3335 ES 2312 11 2.7 64
Show 20489+3449 SEI1258 351 25.1 64
Show 20539+3326 BLL 52 59 186.6 66
Show 20582+3510 COU1813 313 1.2 67
Show 20592+3435 POP 27 157 1.5 68
Show 20593+3430 POP 28 5 2.9 68
Show 20519+3327 GYL 26 AB 353 28.6 69
Show 20519+3327 WSI 47 AC 337 11.0 69
Show 20489+3503 SEI1257 AB 215 17.9 70
Show 20503+3337 ES 2378 193 6.2 71
Show 20539+3320 TDT2612 202 0.5 73
Show 20557+3540 SEI1316 24 12.3 73
Show 20562+3538 HU 763 329 1.5 73
Show 20533+3319 LDS2933 146 9.0 74
Show 20584+3344 COU1635 232 1.6 74
Show 20528+3320 LDS2932 107 9.1 74
Show 20561+3541 TDT2641 50 1.7 75
Show 20522+3544 HJ 1586 260 16.2 76
Show 20520+3320 TDT2590 116 0.5 76
Show 20481+3403 LDS1047 7 110.2 76
Show 20499+3531 SEI1266 179 10.5 77
Show 20486+3424 ES 249 26 7.7 78
Show 20479+3456 TDT2545 195 2.5 78
Show 20501+3534 TDT2567 125 0.4 79
Show 20520+3547 TDT2589 192 0.5 79
Show 20560+3546 COU2134 264 0.6 80
Show 20513+3546 TDT2580 151 0.7 81
Show 21004+3426 FAR 1 104 46.4 82
Show 20472+3422 BU 677 AB 120 10.0 83

 
 
WDS 20538+3431 : COMPONENTS
 
 
  A
B pa=163.2°
sep=2.10"
 
 
20538+3431 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205348.78+343129.9 Mag 11.4 PmRA 4.00
PmDE -9.0 Tycho2 2696-02016-1
Tycho2
Tycho2 2696-02016-1 Pflag RAmdeg 313.45323129 DEmdeg 34.52495089
PmRA 3.5 PmDE -8.8 E RAmdeg 37 E DEmdeg 39
E pmRA 2.9 E pmDE 2.7 EpRAm 1984.25 EpDEm 1985.46
Num 5 Q RAmdeg 1.1 Q DEmdeg 1.6 Q pmRA 1.1
Q pmDE 1.6 BTmag 13.127 E BTmag 0.262 VTmag 11.330
E VTmag 0.079 Prox 999 TYC HIP
CCDM RAdeg 313.45324000 DEdeg 34.52497500 EpRA 1990 1.65
EpDE 1990 1.78 E RAdeg 67.3 E DEdeg 55.8 Posflg
Corr 0.2
 
 
20538+3431 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205348.83+343127.9 Mag 12.2 PmRA 4.00
PmDE -9.0 Calc delta mag 0.8 Calc coord yes