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Doubles in session


Current system
21018+3630
SEI 1372


Nearby doubles
19' : 21010+3647
SEI1367

21' : 21001+3627
J 1219

22' : 21002+3620
TDT2689

23' : 21037+3630
SEI1383

23' : 21032+3645
SEI1380AB

28' : 21038+3643
SEI1385

29' : 20599+3612
SEI1359

29' : 20594+3626
HU 764

29' : 21012+3602
CLP 1AB

30' : 21001+3608
TDT2687

30' : 20594+3637
SEI1352

31' : 20595+3646
SEI1354

33' : 21000+3655
SEI1360AB

34' : 21002+3658
HO 147AB

35' : 21046+3628
SEI1391

36' : 21041+3609
SEI1386

36' : 20594+3651
TDT2678

37' : 21013+3554
SEI1368

38' : 21039+3655
GRV 408

38' : 21043+3608
HJ 1610

39' : 20587+3644
ES 251

39' : 21036+3701
SEI1382

39' : 21029+3554
J 1078AB

40' : 21013+3709
TDT2697

41' : 20596+3558
SEI1355

41' : 20590+3655
SEI1347



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

21018+3630 SEI 1372

 
 
21h 01m 45.22s +36° 29' 47.4" P.A. 181.00 sep 24.8 mag 9.54,12.30 Sp A2
 
 
Coord 2000 21018+3630 Discov num SEI1372 Comp Coord arcsec 2000 21 01 45.22 +36 29 47.4
Date first 1896 Date last 2015 Obs 8
Pa first 182 Pa last 181.3 P.A. Now (θ) 181.3°
Sep first 24.7 Sep last 24.807 Sep. Now (ρ) 24.807"
Mag pri 9.54 Mag sec 12.30 delta mag (ΔM) 2.76 Spectral class A2 (white)
Pri motion ra -005 Sec motion ra -007
Pri motion dec -006 Sec motion dec -004
Notes
rPM=0.351
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2713-02278-1 Gaia DR2 1871296192657740800
 
 
WDS 21018+3630 SEI 1372 : NOTES
 
 
No records found.

 
 
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
21018+3630 SEI1372 1998 2 181 24.8 9.54 12.30 A2 D 210145.22+362947.4
21018+3630 SEI1372 2002 3 181 24.8 9.54 12.30 A2 D 210145.22+362947.4
21018+3630 SEI1372 2010 4 181 24.8 9.54 12.30 A2 210145.22+362947.4
21018+3630 SEI1372 2015 5 181 24.8 9.54 12.30 A2 210145.22+362947.4

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

 
 
WDS 21018+3630 SEI 1372 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21018+3630 SEI 1372 : MEASURES
 
 
No records found.

 
 
WDS 21018+3630 : VIRTUAL EYEPIECE
 
 

21018+3630 SEI1372A mag 9.54 Sp A2 21018+3630 SEI1372B sep 24.8 P.A. 181.00 mag 12.3 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 21018+3630 : ALADIN DSS IMAGE @ 21h 01m 45.22s +36° 29' 47.4"
 
 
 
 
WDS 21018+3630 SEI 1372 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21018+3630 SEI1372 distance=0' 21010+3647 SEI1367 distance=19' 21001+3627 J 1219 distance=21' 21002+3620 TDT2689 distance=22' 21037+3630 SEI1383 distance=23' 21032+3645 SEI1380AB distance=23' 21032+3645 WAL 134AC distance=23' 21038+3643 SEI1385 distance=28' 21012+3602 CLP 1BC distance=28' 20599+3612 SEI1359 distance=29' 20594+3626 HU 764 distance=29' 21012+3602 CLP 1AB distance=29' 21001+3608 TDT2687 distance=30' 20594+3637 SEI1352 distance=30' 20595+3646 SEI1354 distance=31' 21000+3655 SEI1360AB distance=33' 21000+3655 TOB 208AC distance=33' 21002+3658 HO 147AB distance=34' 21002+3658 HO 147AC distance=34' 21046+3628 SEI1391 distance=35' 21041+3609 SEI1386 distance=36' 20594+3651 TDT2678 distance=36' 21013+3554 SEI1368 distance=37' 21039+3655 GRV 408 distance=38' 21043+3608 HJ 1610 distance=38' 20587+3644 ES 251 distance=39' 21036+3701 SEI1382 distance=39' 21029+3554 J 1078AB distance=39' 21029+3554 J 1078AC distance=39' 21013+3709 TDT2697 distance=40' 20596+3558 SEI1355 distance=41' 20590+3655 SEI1347 distance=41' 20596+3703 HJ 1601 distance=43' 21035+3549 B 2BC distance=44' 21035+3549 B 2A,BC distance=44' 21030+3549 SEI1378 distance=45' 20587+3657 COU2296 distance=46' 20584+3612 POP 82 distance=46' 20593+3554 SEI1350 distance=47' 20579+3641 SEI1335 distance=48' 21042+3552 TDT2724 distance=49' 21058+3633 SEI1397 distance=49' 20577+3623 SEI1330 distance=49' 21003+3543 SEI1361 distance=50' 21050+3559 SEI1395 distance=51' 21044+3551 SEI1390 distance=51' 21002+3547 POP 81 distance=51' 20590+3541 GCB 61 distance=53' 21058+3610 SEI1398 distance=53' 20575+3643 SEI1329 distance=53' 21047+3710 HDS3003 distance=54' 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 21018+3630 SEI1372 181 24.8
Show 21010+3647 SEI1367 247 20.6 19
Show 21001+3627 J 1219 171 3.6 21
Show 21002+3620 TDT2689 244 2.3 22
Show 21037+3630 SEI1383 124 9.3 23
Show 21032+3645 SEI1380 AB 259 13.2 23
Show 21032+3645 WAL 134 AC 285 35.8 23
Show 21038+3643 SEI1385 240 24.8 28
Show 21012+3602 CLP 1 BC 150 267.2 28
Show 20599+3612 SEI1359 108 16.5 29
Show 20594+3626 HU 764 190 0.4 29
Show 21012+3602 CLP 1 AB 39 74.3 29
Show 21001+3608 TDT2687 356 1.5 30
Show 20594+3637 SEI1352 354 14.6 30
Show 20595+3646 SEI1354 325 26.4 31
Show 21000+3655 SEI1360 AB 45 22.2 33
Show 21000+3655 TOB 208 AC 232 31.7 33
Show 21002+3658 HO 147 AB 351 7.8 34
Show 21002+3658 HO 147 AC 248 26.2 34
Show 21046+3628 SEI1391 329 23.9 35
Show 21041+3609 SEI1386 152 25.9 36
Show 20594+3651 TDT2678 246 0.5 36
Show 21013+3554 SEI1368 57 13.3 37
Show 21039+3655 GRV 408 310 32.3 38
Show 21043+3608 HJ 1610 245 11.0 38
Show 20587+3644 ES 251 141 6.6 39
Show 21036+3701 SEI1382 157 6.0 39
Show 21029+3554 J 1078 AB 112 2.7 39
Show 21029+3554 J 1078 AC 137 24.4 39
Show 21013+3709 TDT2697 129 2.5 40
Show 20596+3558 SEI1355 344 4.2 41
Show 20590+3655 SEI1347 125 18.6 41
Show 20596+3703 HJ 1601 141 6.5 43
Show 21035+3549 B 2 BC 28 2.8 44
Show 21035+3549 B 2 A,BC 250 138.5 44
Show 21030+3549 SEI1378 222 29.0 45
Show 20587+3657 COU2296 103 1.0 46
Show 20584+3612 POP 82 25 5.5 46
Show 20593+3554 SEI1350 48 28.1 47
Show 20579+3641 SEI1335 28 18.2 48
Show 21042+3552 TDT2724 181 1.1 49
Show 21058+3633 SEI1397 343 22.0 49
Show 20577+3623 SEI1330 51 14.2 49
Show 21003+3543 SEI1361 281 20.8 50
Show 21050+3559 SEI1395 133 21.1 51
Show 21044+3551 SEI1390 343 17.4 51
Show 21002+3547 POP 81 204 5.9 51
Show 20590+3541 GCB 61 252 5.9 53
Show 21058+3610 SEI1398 36 30.5 53
Show 20575+3643 SEI1329 30 24.7 53
Show 21047+3710 HDS3003 283 1.4 54

 
 
WDS 21018+3630 : COMPONENTS
 
 
  A
B pa=181.0°
sep=24.80"
 
 
21018+3630 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210145.22+362947.4 Mag 9.54 Spectral class A2 (white)
PmRA -5.00 PmDE -6.0 Tycho2 2713-02278-1
Tycho2
Tycho2 2713-02278-1 Pflag RAmdeg 315.43844197 DEmdeg 36.49651722
PmRA -5.4 PmDE -8.0 E RAmdeg 10 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.38 EpDEm 1990.75
Num 9 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 9.604 E BTmag 0.019 VTmag 9.538
E VTmag 0.019 Prox 999 TYC T HIP
CCDM RAdeg 315.43845833 DEdeg 36.49653611 EpRA 1990 1.61
EpDE 1990 1.77 E RAdeg 10.1 E DEdeg 8.8 Posflg
Corr 0.1
CCDM
Ccdm 21018+3630 RComp Comp A Note1
Note2 Discov num DRAs -2.81 DDEs -12.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp PmNote *
PmRA -2 PmDE -10 Dm number +35 4364 Cat1 BD
Name2 +36 2119 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20578N3606A
HIC
 
 
21018+3630 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210145.18+362922.6 Mag 12.3 PmRA -7.00
PmDE -4.0 Calc delta mag 2.76 Calc coord yes
CCDM
Ccdm 21018+3630 RComp Comp B Note1
Note2 Discov num SEI1372 DRAs DDEs
R dRAs Year 1896 Theta 182 Rho 24.6
Obs 1 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20578N3606B
HIC