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Doubles in session


Current system
21000+3512
TDT 2685


Nearby doubles
12' : 20593+3520
TDT2676

22' : 20582+3510
COU1813

24' : 20588+3530
SEI1342

24' : 21011+3532
SEI1366

31' : 20592+3541
TDT2674

31' : 21025+3512
CRB 136

32' : 21002+3547
POP 81

32' : 21003+3543
SEI1361

33' : 20591+3542
SEI1345

34' : 20590+3541
GCB 61

38' : 20592+3435
POP 27

38' : 21030+3507
TDS1113

41' : 21028+3534
SEI1375AB

41' : 20581+3544
J 795AB

42' : 20593+3430
POP 28

42' : 20581+3547
J 796

44' : 20593+3554
SEI1350

45' : 21013+3554
SEI1368

46' : 21004+3426
FAR 1

48' : 20596+3558
SEI1355

53' : 21012+3602
CLP 1AB

53' : 21030+3549
SEI1378

54' : 20562+3538
HU 763

55' : 21029+3554
J 1078AB

56' : 21042+3530
SEI1388

57' : 20561+3541
TDT2641



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

21000+3512 TDT 2685

 
 
21h 00m 00.76s +35° 11' 36.7" P.A. 137.00 sep 0.7 mag 11.81,12.00
 
 
Coord 2000 21000+3512 Discov num TDT2685 Comp Coord arcsec 2000 21 00 00.76 +35 11 36.7
Date first 1991 Date last 1991 Obs 1
Pa first 137 Pa last 137.2 P.A. Now (θ) 137.2°
Sep first 0.7 Sep last 0.69 Sep. Now (ρ) 0.69"
Mag pri 11.81 Mag sec 12.00 delta mag (ΔM) 0.19 Spectral class
Pri motion ra -001 Sec motion ra -001
Pri motion dec -001 Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2709-01735-1 Gaia DR2 1866713874868869504
 
 
WDS 21000+3512 TDT 2685 : 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
21000+3512 TDT2685 1991 1 137 0.7 11.81 12.00 210000.76+351136.7

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

 
 
WDS 21000+3512 TDT 2685 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21000+3512 TDT 2685 : MEASURES
 
 
No records found.

 
 
WDS 21000+3512 : VIRTUAL EYEPIECE
 
 

21000+3512 TDT2685A mag 11.81 21000+3512 TDT2685B sep 0.6 P.A. 142.90 mag 12 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 21000+3512 : ALADIN DSS IMAGE @ 21h 00m 00.76s +35° 11' 36.7"
 
 
 
 
WDS 21000+3512 TDT 2685 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21000+3512 TDT2685 distance=0' 20593+3520 TDT2676 distance=12' 20582+3510 COU1813 distance=22' 20588+3530 SEI1342 distance=24' 21011+3532 SEI1366 distance=24' 20592+3541 TDT2674 distance=31' 21025+3512 CRB 136 distance=31' 21002+3547 POP 81 distance=32' 21003+3543 SEI1361 distance=32' 20591+3542 SEI1345 distance=33' 20590+3541 GCB 61 distance=34' 20592+3435 POP 27 distance=38' 21030+3507 TDS1113 distance=38' 21028+3534 SEI1375AB distance=41' 21028+3534 SEI1376AC distance=41' 20581+3544 J 795AB distance=41' 20581+3544 J 795AC distance=41' 21028+3534 BTG 6BC distance=41' 21028+3534 BTG 6BD distance=41' 20593+3430 POP 28 distance=42' 20581+3547 J 796 distance=42' 20593+3554 SEI1350 distance=44' 21013+3554 SEI1368 distance=45' 21004+3426 FAR 1 distance=46' 20596+3558 SEI1355 distance=48' 21012+3602 CLP 1AB distance=53' 21030+3549 SEI1378 distance=53' 21012+3602 CLP 1BC distance=54' 20562+3538 HU 763 distance=54' 21029+3554 J 1078AB distance=55' 21029+3554 J 1078AC distance=55' 21042+3530 SEI1388 distance=56' 21035+3549 B 2BC distance=56' 20561+3541 TDT2641 distance=57' 21001+3608 TDT2687 distance=57' 21035+3549 B 2A,BC distance=59' 21042+3542 SEI1387 distance=60' 20560+3546 COU2134 distance=60' 20557+3540 SEI1316 distance=61' 20599+3612 SEI1359 distance=61' 20551+3523 SEI1310 distance=62' 21004+3411 BU 1329AB distance=62' 21004+3411 BU 1329AB,C distance=62' 21048+3531 S 773AB distance=62' 21048+3531 TDT2727Ba,Bb distance=63' 21048+3531 GRV 410BC distance=63' 21050+3526 STF2753 distance=63' 20584+3612 POP 82 distance=64' 21042+3552 TDT2724 distance=66' 21044+3551 SEI1390 distance=68' 21048+3545 SEI1392 distance=68' 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 21000+3512 TDT2685 137 0.7
Show 20593+3520 TDT2676 23 0.8 12
Show 20582+3510 COU1813 313 1.2 22
Show 20588+3530 SEI1342 100 4.1 24
Show 21011+3532 SEI1366 279 22.9 24
Show 20592+3541 TDT2674 340 0.9 31
Show 21025+3512 CRB 136 267 20.1 31
Show 21002+3547 POP 81 204 5.9 32
Show 21003+3543 SEI1361 281 20.8 32
Show 20591+3542 SEI1345 174 20.2 33
Show 20590+3541 GCB 61 252 5.9 34
Show 20592+3435 POP 27 157 1.5 38
Show 21030+3507 TDS1113 9 2.1 38
Show 21028+3534 SEI1375 AB 339 6.5 41
Show 21028+3534 SEI1376 AC 270 11.1 41
Show 20581+3544 J 795 AB 227 2.8 41
Show 20581+3544 J 795 AC 311 14.0 41
Show 21028+3534 BTG 6 BC 235 10.6 41
Show 21028+3534 BTG 6 BD 274 15.9 41
Show 20593+3430 POP 28 5 2.9 42
Show 20581+3547 J 796 200 3.7 42
Show 20593+3554 SEI1350 48 28.1 44
Show 21013+3554 SEI1368 57 13.3 45
Show 21004+3426 FAR 1 104 46.4 46
Show 20596+3558 SEI1355 344 4.2 48
Show 21012+3602 CLP 1 AB 39 74.3 53
Show 21030+3549 SEI1378 222 29.0 53
Show 21012+3602 CLP 1 BC 150 267.2 54
Show 20562+3538 HU 763 329 1.5 54
Show 21029+3554 J 1078 AB 112 2.7 55
Show 21029+3554 J 1078 AC 137 24.4 55
Show 21042+3530 SEI1388 211 22.1 56
Show 21035+3549 B 2 BC 28 2.8 56
Show 20561+3541 TDT2641 50 1.7 57
Show 21001+3608 TDT2687 356 1.5 57
Show 21035+3549 B 2 A,BC 250 138.5 59
Show 21042+3542 SEI1387 133 9.1 60
Show 20560+3546 COU2134 264 0.6 60
Show 20557+3540 SEI1316 24 12.3 61
Show 20599+3612 SEI1359 108 16.5 61
Show 20551+3523 SEI1310 281 29.3 62
Show 21004+3411 BU 1329 AB 39 0.3 62
Show 21004+3411 BU 1329 AB,C 30 6.8 62
Show 21048+3531 S 773 AB 30 86.3 62
Show 21048+3531 TDT2727 Ba,Bb 170 0.4 63
Show 21048+3531 GRV 410 BC 82 17.2 63
Show 21050+3526 STF2753 335 29.3 63
Show 20584+3612 POP 82 25 5.5 64
Show 21042+3552 TDT2724 181 1.1 66
Show 21044+3551 SEI1390 343 17.4 68
Show 21048+3545 SEI1392 338 4.0 68

 
 
WDS 21000+3512 : COMPONENTS
 
 
  A
B pa=142.9°
sep=0.63"
 
 
21000+3512 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210000.76+351136.7 Mag 11.81 PmRA -1.00
PmDE -1.0 Tycho2 2709-01735-1
Tycho2
Tycho2 2709-01735-1 Pflag RAmdeg 315.00322108 DEmdeg 35.19344928
PmRA -1.1 PmDE -1.2 E RAmdeg 40 E DEmdeg 36
E pmRA 4.0 E pmDE 4.5 EpRAm 1989.56 EpDEm 1990.57
Num 4 Q RAmdeg 0.2 Q DEmdeg 1.8 Q pmRA 0.2
Q pmDE 1.9 BTmag 11.574 E BTmag 0.057 VTmag 11.192
E VTmag 0.066 Prox 964 TYC T HIP
CCDM RAdeg 315.00322417 DEdeg 35.19345194 EpRA 1990 1.68
EpDE 1990 1.84 E RAdeg 41.0 E DEdeg 35.5 Posflg P
Corr 0.1
 
 
21000+3512 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210000.79+351136.2 Mag 12 PmRA -1.00
PmDE -1.0 Calc delta mag 0.19 Calc coord yes