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Doubles in session


Current system
21042+3542
SEI 1387


Nearby doubles
8' : 21048+3545
SEI1392

11' : 21044+3551
SEI1390

11' : 21042+3552
TDT2724

12' : 21042+3530
SEI1388

13' : 21048+3531
S 773AB

16' : 21030+3549
SEI1378

18' : 21054+3550
SEI1396

19' : 21050+3526
STF2753

20' : 21028+3534
SEI1375AB

20' : 21056+3533
TDT2736

21' : 21029+3554
J 1078AB

21' : 21050+3559
SEI1395

25' : 21059+3528
TDT2744

28' : 21043+3608
HJ 1610

28' : 21041+3609
SEI1386

29' : 21061+3558
SEI1401

33' : 21062+3520
GRV 417

34' : 21067+3554
GRV 418

35' : 21058+3610
SEI1398

36' : 21025+3512
CRB 136

38' : 21030+3507
TDS1113

38' : 21013+3554
SEI1368

40' : 21011+3532
SEI1366

42' : 21012+3602
CLP 1AB

42' : 21076+3546
ES 2254

47' : 21046+3628
SEI1391



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

21042+3542 SEI 1387

 
 
21h 04m 12.42s +35° 41' 23.1" P.A. 133.00 sep 9.1 mag 11.20,11.60
 
 
Coord 2000 21042+3542 Discov num SEI1387 Comp Coord arcsec 2000 21 04 12.42 +35 41 23.1
Date first 1896 Date last 2020 Obs 12
Pa first 129 Pa last 133.3 P.A. Now (θ) 133.3°
Sep first 10.0 Sep last 9.069 Sep. Now (ρ) 9.069"
Mag pri 11.20 Mag sec 11.60 delta mag (ΔM) 0.4 Spectral class
Pri motion ra +000 Sec motion ra -007
Pri motion dec -003 Sec motion dec -004
Notes N (See Notes)
rPM=0.877
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1868210993083001088
 
 
WDS 21042+3542 SEI 1387 : NOTES
 
 
discov_num notes refcode
SEI1387 ALI 213.
 
 
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
21042+3542 SEI1387 1998 5 133 9.3 11.20 11.60 N D 210412.42+354123.1
21042+3542 SEI1387 2002 6 134 9.1 11.20 11.60 N D 210412.42+354123.1
21042+3542 SEI1387 2015 7 133 9.2 11.20 11.60 N 210412.42+354123.1
21042+3542 SEI1387 2020 12 133 9.1 11.20 11.60 N 210412.42+354123.1

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

 
 
WDS 21042+3542 SEI 1387 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21042+3542 SEI 1387 : MEASURES
 
 
No records found.

 
 
WDS 21042+3542 : VIRTUAL EYEPIECE
 
 

21042+3542 SEI1387A mag 11.2 21042+3542 SEI1387B sep 8.2 P.A. 139.20 mag 11.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21042+3542 : ALADIN DSS IMAGE @ 21h 04m 12.42s +35° 41' 23.1"
 
 
 
 
WDS 21042+3542 SEI 1387 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21042+3542 SEI1387 distance=0' 21048+3545 SEI1392 distance=8' 21044+3551 SEI1390 distance=11' 21042+3552 TDT2724 distance=11' 21042+3530 SEI1388 distance=12' 21048+3531 TDT2727Ba,Bb distance=13' 21048+3531 GRV 410BC distance=13' 21048+3531 S 773AB distance=13' 21035+3549 B 2A,BC distance=14' 21035+3549 B 2BC distance=15' 21030+3549 SEI1378 distance=16' 21054+3550 SEI1396 distance=18' 21050+3526 STF2753 distance=19' 21028+3534 BTG 6BC distance=20' 21028+3534 BTG 6BD distance=20' 21028+3534 SEI1375AB distance=20' 21028+3534 SEI1376AC distance=20' 21056+3533 TDT2736 distance=20' 21029+3554 J 1078AB distance=21' 21029+3554 J 1078AC distance=21' 21050+3559 SEI1395 distance=21' 21059+3528 TDT2744 distance=25' 21043+3608 HJ 1610 distance=28' 21041+3609 SEI1386 distance=28' 21061+3558 SEI1401 distance=29' 21062+3520 GRV 417 distance=33' 21067+3554 GRV 418 distance=34' 21058+3610 SEI1398 distance=35' 21025+3512 CRB 136 distance=36' 21030+3507 TDS1113 distance=38' 21013+3554 SEI1368 distance=38' 21011+3532 SEI1366 distance=40' 21012+3602 CLP 1BC distance=42' 21012+3602 CLP 1AB distance=42' 21076+3546 ES 2254 distance=42' 21046+3628 SEI1391 distance=47' 21059+3459 POP 24 distance=47' 21061+3459 POP 25 distance=48' 21003+3543 SEI1361 distance=49' 21037+3630 SEI1383 distance=49' 21002+3547 POP 81 distance=50' 21066+3623 SEI1405 distance=51' 21071+3459 TDT2764 distance=55' 21058+3633 SEI1397 distance=56' 21087+3551 SEI1414AB distance=56' 21087+3551 TOB 211AC distance=56' 21001+3608 TDT2687 distance=57' 21067+3455 HU 691 distance=57' 21054+3447 GRV 414 distance=57' 21018+3630 SEI1372 distance=57' 21075+3622 TDT2768 distance=57' 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 21042+3542 SEI1387 133 9.1
Show 21048+3545 SEI1392 338 4.0 8
Show 21044+3551 SEI1390 343 17.4 11
Show 21042+3552 TDT2724 181 1.1 11
Show 21042+3530 SEI1388 211 22.1 12
Show 21048+3531 TDT2727 Ba,Bb 170 0.4 13
Show 21048+3531 GRV 410 BC 82 17.2 13
Show 21048+3531 S 773 AB 30 86.3 13
Show 21035+3549 B 2 A,BC 250 138.5 14
Show 21035+3549 B 2 BC 28 2.8 15
Show 21030+3549 SEI1378 222 29.0 16
Show 21054+3550 SEI1396 13 27.7 18
Show 21050+3526 STF2753 335 29.3 19
Show 21028+3534 BTG 6 BC 235 10.6 20
Show 21028+3534 BTG 6 BD 274 15.9 20
Show 21028+3534 SEI1375 AB 339 6.5 20
Show 21028+3534 SEI1376 AC 270 11.1 20
Show 21056+3533 TDT2736 282 0.4 20
Show 21029+3554 J 1078 AB 112 2.7 21
Show 21029+3554 J 1078 AC 137 24.4 21
Show 21050+3559 SEI1395 133 21.1 21
Show 21059+3528 TDT2744 36 0.6 25
Show 21043+3608 HJ 1610 245 11.0 28
Show 21041+3609 SEI1386 152 25.9 28
Show 21061+3558 SEI1401 333 10.5 29
Show 21062+3520 GRV 417 143 41.2 33
Show 21067+3554 GRV 418 216 58.1 34
Show 21058+3610 SEI1398 36 30.5 35
Show 21025+3512 CRB 136 267 20.1 36
Show 21030+3507 TDS1113 9 2.1 38
Show 21013+3554 SEI1368 57 13.3 38
Show 21011+3532 SEI1366 279 22.9 40
Show 21012+3602 CLP 1 BC 150 267.2 42
Show 21012+3602 CLP 1 AB 39 74.3 42
Show 21076+3546 ES 2254 275 8.6 42
Show 21046+3628 SEI1391 329 23.9 47
Show 21059+3459 POP 24 247 8.2 47
Show 21061+3459 POP 25 303 5.5 48
Show 21003+3543 SEI1361 281 20.8 49
Show 21037+3630 SEI1383 124 9.3 49
Show 21002+3547 POP 81 204 5.9 50
Show 21066+3623 SEI1405 314 8.5 51
Show 21071+3459 TDT2764 25 1.7 55
Show 21058+3633 SEI1397 343 22.0 56
Show 21087+3551 SEI1414 AB 34 10.4 56
Show 21087+3551 TOB 211 AC 355 23.5 56
Show 21001+3608 TDT2687 356 1.5 57
Show 21067+3455 HU 691 313 0.4 57
Show 21054+3447 GRV 414 170 67.7 57
Show 21018+3630 SEI1372 181 24.8 57
Show 21075+3622 TDT2768 171 0.6 57

 
 
WDS 21042+3542 : COMPONENTS
 
 
  A
B pa=139.2°
sep=8.21"
 
 
21042+3542 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210412.42+354123.1 Mag 11.2 PmRA 0.00
PmDE -3.0
 
 
21042+3542 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210412.86+354116.9 Mag 11.6 PmRA -7.00
PmDE -4.0 Calc delta mag 0.4 Calc coord yes