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Current system
21003+3543
SEI 1361


Nearby doubles
2' : 21002+3547
POP 81

9' : 20590+3541
GCB 61

13' : 20592+3541
TDT2674

15' : 20591+3542
SEI1345

16' : 21011+3532
SEI1366

16' : 20593+3554
SEI1350

17' : 21013+3554
SEI1368

18' : 20596+3558
SEI1355

22' : 20588+3530
SEI1342

22' : 21012+3602
CLP 1AB

25' : 21001+3608
TDT2687

27' : 20593+3520
TDT2676

27' : 20581+3547
J 796

27' : 20581+3544
J 795AB

30' : 20599+3612
SEI1359

32' : 21000+3512
TDT2685

33' : 21028+3534
SEI1375AB

34' : 21029+3554
J 1078AB

35' : 21030+3549
SEI1378

37' : 21002+3620
TDT2689

37' : 20584+3612
POP 82

42' : 20582+3510
COU1813

42' : 21025+3512
CRB 136

44' : 20594+3626
HU 764

44' : 21001+3627
J 1219

49' : 21042+3542
SEI1387



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

21003+3543 SEI 1361

 
 
21h 00m 14.18s +35° 43' 22.9" P.A. 281.00 sep 20.8 mag 10.65,12.15
 
 
Coord 2000 21003+3543 Discov num SEI1361 Comp Coord arcsec 2000 21 00 14.18 +35 43 22.9
Date first 1896 Date last 2020 Obs 13
Pa first 277 Pa last 281 P.A. Now (θ) 281°
Sep first 22.0 Sep last 20.755 Sep. Now (ρ) 20.755"
Mag pri 10.65 Mag sec 12.15 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -007 Sec motion ra +001
Pri motion dec -015 Sec motion dec +001
Notes N (See Notes)
rPM=1.081
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2713-00171-1 Gaia DR2 1868243707860293120
 
 
WDS 21003+3543 SEI 1361 : NOTES
 
 
discov_num notes refcode
SEI1361 SEI1362.
 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21003+3543 SEI1361 1999 3 280 20.8 10.30 11.00 D 210014.40+354324.2
21003+3543 SEI1361 2002 6 280 20.9 10.65 12.00 N D 210014.18+354322.9
21003+3543 SEI1361 2012 7 281 20.8 10.65 12.00 N D 210014.18+354322.9
21003+3543 SEI1361 2015 9 281 20.8 10.65 12.15 N 210014.18+354322.9
21003+3543 SEI1361 2020 13 281 20.8 10.65 12.15 N 210014.18+354322.9

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

 
 
WDS 21003+3543 SEI 1361 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21003+3543 SEI 1361 : MEASURES
 
 
No records found.

 
 
WDS 21003+3543 : VIRTUAL EYEPIECE
 
 

21003+3543 SEI1361A mag 10.65 21003+3543 SEI1361B sep 17.0 P.A. 283.50 mag 12.15 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 21003+3543 : ALADIN DSS IMAGE @ 21h 00m 14.18s +35° 43' 22.9"
 
 
 
 
WDS 21003+3543 SEI 1361 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21003+3543 SEI1361 distance=0' 21002+3547 POP 81 distance=2' 20590+3541 GCB 61 distance=9' 20592+3541 TDT2674 distance=13' 20591+3542 SEI1345 distance=15' 21011+3532 SEI1366 distance=16' 20593+3554 SEI1350 distance=16' 21013+3554 SEI1368 distance=17' 20596+3558 SEI1355 distance=18' 20588+3530 SEI1342 distance=22' 21012+3602 CLP 1AB distance=22' 21012+3602 CLP 1BC distance=23' 21001+3608 TDT2687 distance=25' 20593+3520 TDT2676 distance=27' 20581+3547 J 796 distance=27' 20581+3544 J 795AB distance=27' 20581+3544 J 795AC distance=27' 20599+3612 SEI1359 distance=30' 21000+3512 TDT2685 distance=32' 21028+3534 BTG 6BC distance=33' 21028+3534 BTG 6BD distance=33' 21028+3534 SEI1375AB distance=33' 21028+3534 SEI1376AC distance=33' 21029+3554 J 1078AB distance=34' 21029+3554 J 1078AC distance=34' 21030+3549 SEI1378 distance=35' 21002+3620 TDT2689 distance=37' 20584+3612 POP 82 distance=37' 21035+3549 B 2BC distance=39' 21035+3549 B 2A,BC distance=41' 20582+3510 COU1813 distance=42' 21025+3512 CRB 136 distance=42' 20594+3626 HU 764 distance=44' 21001+3627 J 1219 distance=44' 21042+3542 SEI1387 distance=49' 21042+3552 TDT2724 distance=50' 20562+3538 HU 763 distance=50' 20577+3623 SEI1330 distance=50' 21018+3630 SEI1372 distance=50' 21030+3507 TDS1113 distance=51' 20561+3541 TDT2641 distance=51' 21042+3530 SEI1388 distance=51' 20560+3546 COU2134 distance=52' 21044+3551 SEI1390 distance=52' 21041+3609 SEI1386 distance=54' 20594+3637 SEI1352 distance=55' 20557+3540 SEI1316 distance=56' 21048+3545 SEI1392 distance=56' 21043+3608 HJ 1610 distance=56' 21048+3531 S 773AB distance=57' 20562+3614 SEI1323 distance=58' 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 21003+3543 SEI1361 281 20.8
Show 21002+3547 POP 81 204 5.9 2
Show 20590+3541 GCB 61 252 5.9 9
Show 20592+3541 TDT2674 340 0.9 13
Show 20591+3542 SEI1345 174 20.2 15
Show 21011+3532 SEI1366 279 22.9 16
Show 20593+3554 SEI1350 48 28.1 16
Show 21013+3554 SEI1368 57 13.3 17
Show 20596+3558 SEI1355 344 4.2 18
Show 20588+3530 SEI1342 100 4.1 22
Show 21012+3602 CLP 1 AB 39 74.3 22
Show 21012+3602 CLP 1 BC 150 267.2 23
Show 21001+3608 TDT2687 356 1.5 25
Show 20593+3520 TDT2676 23 0.8 27
Show 20581+3547 J 796 200 3.7 27
Show 20581+3544 J 795 AB 227 2.8 27
Show 20581+3544 J 795 AC 311 14.0 27
Show 20599+3612 SEI1359 108 16.5 30
Show 21000+3512 TDT2685 137 0.7 32
Show 21028+3534 BTG 6 BC 235 10.6 33
Show 21028+3534 BTG 6 BD 274 15.9 33
Show 21028+3534 SEI1375 AB 339 6.5 33
Show 21028+3534 SEI1376 AC 270 11.1 33
Show 21029+3554 J 1078 AB 112 2.7 34
Show 21029+3554 J 1078 AC 137 24.4 34
Show 21030+3549 SEI1378 222 29.0 35
Show 21002+3620 TDT2689 244 2.3 37
Show 20584+3612 POP 82 25 5.5 37
Show 21035+3549 B 2 BC 28 2.8 39
Show 21035+3549 B 2 A,BC 250 138.5 41
Show 20582+3510 COU1813 313 1.2 42
Show 21025+3512 CRB 136 267 20.1 42
Show 20594+3626 HU 764 190 0.4 44
Show 21001+3627 J 1219 171 3.6 44
Show 21042+3542 SEI1387 133 9.1 49
Show 21042+3552 TDT2724 181 1.1 50
Show 20562+3538 HU 763 329 1.5 50
Show 20577+3623 SEI1330 51 14.2 50
Show 21018+3630 SEI1372 181 24.8 50
Show 21030+3507 TDS1113 9 2.1 51
Show 20561+3541 TDT2641 50 1.7 51
Show 21042+3530 SEI1388 211 22.1 51
Show 20560+3546 COU2134 264 0.6 52
Show 21044+3551 SEI1390 343 17.4 52
Show 21041+3609 SEI1386 152 25.9 54
Show 20594+3637 SEI1352 354 14.6 55
Show 20557+3540 SEI1316 24 12.3 56
Show 21048+3545 SEI1392 338 4.0 56
Show 21043+3608 HJ 1610 245 11.0 56
Show 21048+3531 S 773 AB 30 86.3 57
Show 20562+3614 SEI1323 169 21.2 58

 
 
WDS 21003+3543 : COMPONENTS
 
 
  A
B pa=283.5°
sep=17.01"
 
 
21003+3543 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210014.18+354322.9 Mag 10.65 PmRA -7.00
PmDE -15.0 Tycho2 2713-00171-1
Tycho2
Tycho2 2713-00171-1 Pflag RAmdeg 315.05908773 DEmdeg 35.72303658
PmRA -11.1 PmDE -11.4 E RAmdeg 31 E DEmdeg 26
E pmRA 2.2 E pmDE 2.1 EpRAm 1987.53 EpDEm 1987.04
Num 6 Q RAmdeg 0.5 Q DEmdeg 0.9 Q pmRA 0.5
Q pmDE 0.9 BTmag 12.021 E BTmag 0.091 VTmag 10.650
E VTmag 0.041 Prox 933 TYC T HIP
CCDM RAdeg 315.05911694 DEdeg 35.72305917 EpRA 1990 1.66
EpDE 1990 1.74 E RAdeg 35.0 E DEdeg 32.9 Posflg
Corr 0.1
 
 
21003+3543 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210012.82+354326.9 Mag 12.15 PmRA 1.00
PmDE 1.0 Calc delta mag 1.5 Calc coord yes