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Current system
20068+3611
BKO 87 AC


Nearby doubles
4' : 20065+3609
SEI 880AB

5' : 20067+3607
SEI 883AB

7' : 20072+3616
SEI 891AB

11' : 20060+3606
SEI 864

12' : 20075+3618
TOB 167

13' : 20075+3619
SEI 897

14' : 20064+3558
BUP 204AB

14' : 20058+3605
SEI 853

15' : 20078+3617
SEI 903

16' : 20078+3603
SEI 904

16' : 20079+3605
SEI 908

17' : 20070+3554
SEI 887AB

18' : 20068+3628
KPP 804

19' : 20058+3556
ES 86AB

19' : 20074+3553
SEI 894AB

20' : 20076+3627
SEI 898AB

20' : 20073+3553
SEI 892AB

20' : 20075+3553
SEI 896

22' : 20058+3554
SEI 849

22' : 20062+3551
SEI 869

22' : 20086+3610
SEI 914

22' : 20059+3552
SEI 856

23' : 20085+3619
SEI 911

24' : 20081+3554
TDS1043

25' : 20086+3623
TOB 170

26' : 20069+3546
SEI 885



Selections
Full WDS
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.

20068+3611 BKO 87 AC

 
 
20h 06m 47.91s +36° 11' 08.7" P.A. 226.00 sep 41.5 mag 12.22,11.97
 
 
Coord 2000 20068+3611 Discov num BKO  87 Comp AC Coord arcsec 2000 20 06 47.91 +36 11 08.7
Date first 1895 Date last 2015 Obs 11
Pa first 228 Pa last 226.3 P.A. Now (θ) 226.3°
Sep first 44.0 Sep last 41.526 Sep. Now (ρ) 41.526"
Mag pri 12.22 Mag sec 11.97 delta mag (ΔM) 0.25 Spectral class
Pri motion ra -003 Sec motion ra +011
Pri motion dec +000 Sec motion dec +003
Notes
rPM=1.256
This double is not physical.
 
 
20068+3611 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 06 48 +36 11 09 SEI 884 AB 2015 10 351 24.3 12.22 13.07 0.85
Show 20 06 48 +36 11 09 BKO 87 AC 2015 11 226 41.5 12.22 11.97 0.25 <===
Show 20 06 45 +36 10 40 BKO 87 CD 2015 8 298 10.3 11.97 13.40 1.43
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2059123938654428544
 
 
WDS 20068+3611 BKO 87 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bko2002 C - Ladanyi, T. & Berko, E. ...................
Bko2002 Webb Soc., Double Star Circ. 10, 2002
Bko2003 C u Ladanyi, T., Berko, E. & Vaskuti, G ...................
Bko2003 Webb Soc., Double Star Circ. 11, 2003
Bko2004 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2004 Webb Soc., Double Star Circ. 12, 2004
Bko2005 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2005 Webb Soc., Double Star Circ. 13, 2005
Bko2008 C u Berko, E. & Vaskuti, G. ...................
Bko2008 Webb Soc., Double Star Circ. 16, 2008
Bko2008b C u Berko, E. 2008JDSO....4..144B
Bko2008b JDSO 4, 144, 2008
Bko2009 C u Berko, E. 2009JDSO....5...49B
Bko2009 JDSO 5, 49, 2009
Bko2009b C u Berko, E. 2009JDSO....5..168B
Bko2009b JDSO 5, 168, 2009
Bko2009c C u Berko, E. ...................
Bko2009c Webb Soc., Double Star Circ. 17, 2009
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
Bko2010a C u Berko, E. 2010JDSO....6...21B
Bko2010a JDSO 6, 21, 2010
Bko2010b C u Berko, E. ...................
Bko2010b Webb Soc., Double Star Circ. 18, 2010
Bko2011a C u Berko, E. 2011JDSO....7....2B
Bko2011a JDSO 7, 2, 2011
Bko2011b C u Berko, E. ...................
Bko2011b Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012 C u Berko, E. ...................
Bko2012 Webb Soc., Double Star Circ. 20, 2012
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
20068+3611 BKO 87 AC 2002 5 226 41.5 10.50 11.90 D 200647.91+361108.7
20068+3611 BKO 87 AC 2015 7 226 41.5 12.22 11.97 200647.91+361108.7

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

 
 
WDS 20068+3611 BKO 87 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20068+3611 BKO 87 AC : MEASURES
 
 
No records found.

 
 
WDS 20068+3611 : VIRTUAL EYEPIECE
 
 

20068+3611 SEI 884A mag 12.22 20068+3611 SEI 884B sep 24.2 P.A. 353.00 mag 13.07 20068+3611 BKO 87C sep 41.7 P.A. 226.50 mag 11.97 20068+3611 BKO 87D sep 44.5 P.A. 237.60 mag 13.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20068+3611 : ALADIN DSS IMAGE @ 20h 06m 47.91s +36° 11' 08.7"
 
 
 
 
WDS 20068+3611 BKO 87 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20068+3611 BKO 87AC distance=0' 20068+3611 BKO 87CD distance=1' 20065+3609 SEI 880AB distance=4' 20065+3609 BKO 85AC distance=4' 20065+3609 BKO 85BD distance=4' 20067+3607 SEI 883AB distance=5' 20067+3607 BKO 86AC distance=5' 20072+3616 BKO 89EF distance=7' 20072+3616 SEI 891AB distance=7' 20072+3616 BKO 89AC distance=7' 20072+3616 BKO 89AE distance=7' 20072+3616 BKO 89CD distance=8' 20060+3606 SEI 864 distance=11' 20075+3618 TOB 167 distance=12' 20075+3619 SEI 897 distance=13' 20064+3558 BUP 204AB distance=14' 20064+3558 BUP 204AC distance=14' 20064+3558 OPI 21AD distance=14' 20058+3605 SEI 853 distance=14' 20078+3617 SEI 903 distance=15' 20078+3603 SEI 904 distance=16' 20079+3605 SEI 908 distance=16' 20070+3554 SEI 887AB distance=17' 20070+3554 SEI 888AC distance=17' 20068+3628 KPP 804 distance=18' 20058+3556 ES 86AB distance=19' 20058+3556 ES 86AD distance=19' 20058+3556 ES 86AE distance=19' 20058+3556 ABH 129AF distance=19' 20058+3556 ABH 129AG distance=19' 20058+3556 ABH 129AH distance=19' 20058+3556 ABH 129AI distance=19' 20058+3556 ABH 129AJ distance=19' 20058+3556 ABH 129AK distance=19' 20058+3556 ES 86BC distance=19' 20074+3553 BKO 92BC distance=19' 20073+3553 BKO 91DE distance=19' 20076+3627 SEI 899BC distance=19' 20074+3553 SEI 894AB distance=19' 20076+3627 SEI 898AB distance=20' 20073+3553 SEI 892AB distance=20' 20073+3553 BKO 91AC distance=20' 20073+3553 BKO 91AD distance=20' 20075+3553 SEI 896 distance=20' 20058+3554 SEI 849 distance=22' 20062+3551 SEI 869 distance=22' 20086+3610 SEI 914 distance=22' 20059+3552 SEI 856 distance=22' 20085+3619 SEI 911 distance=23' 20081+3554 TDS1043 distance=24' 20086+3623 TOB 170 distance=25' 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 20068+3611 SEI 884 AB 351 24.3
Show 20068+3611 BKO 87 AC 226 41.5
Show 20068+3611 BKO 87 CD 298 10.3 1
Show 20065+3609 SEI 880 AB 298 20.0 4
Show 20065+3609 BKO 85 AC 255 9.4 4
Show 20065+3609 BKO 85 BD 271 28.8 4
Show 20067+3607 SEI 883 AB 137 26.1 5
Show 20067+3607 BKO 86 AC 97 14.9 5
Show 20072+3616 BKO 89 EF 19 7.6 7
Show 20072+3616 SEI 891 AB 171 18.7 7
Show 20072+3616 BKO 89 AC 349 29.1 7
Show 20072+3616 BKO 89 AE 282 120.8 7
Show 20072+3616 BKO 89 CD 192 9.7 8
Show 20060+3606 SEI 864 61 10.0 11
Show 20075+3618 TOB 167 133 12.8 12
Show 20075+3619 SEI 897 287 18.2 13
Show 20064+3558 BUP 204 AB 36 64.9 14
Show 20064+3558 BUP 204 AC 77 42.7 14
Show 20064+3558 OPI 21 AD 130 35.0 14
Show 20058+3605 SEI 853 55 7.5 14
Show 20078+3617 SEI 903 187 12.0 15
Show 20078+3603 SEI 904 269 14.1 16
Show 20079+3605 SEI 908 14 3.5 16
Show 20070+3554 SEI 887 AB 200 22.8 17
Show 20070+3554 SEI 888 AC 53 21.6 17
Show 20068+3628 KPP 804 42 6.9 18
Show 20058+3556 ES 86 AB 299 14.5 19
Show 20058+3556 ES 86 AD 60 13.1 19
Show 20058+3556 ES 86 AE 327 18.5 19
Show 20058+3556 ABH 129 AF 93 89.4 19
Show 20058+3556 ABH 129 AG 167 67.7 19
Show 20058+3556 ABH 129 AH 229 40.6 19
Show 20058+3556 ABH 129 AI 99 34.6 19
Show 20058+3556 ABH 129 AJ 117 68.5 19
Show 20058+3556 ABH 129 AK 70 86.2 19
Show 20058+3556 ES 86 BC 168 9.3 19
Show 20074+3553 BKO 92 BC 45 14.4 19
Show 20073+3553 BKO 91 DE 100 6.8 19
Show 20076+3627 SEI 899 BC 111 23.1 19
Show 20074+3553 SEI 894 AB 344 29.1 19
Show 20076+3627 SEI 898 AB 165 29.1 20
Show 20073+3553 SEI 892 AB 335 15.5 20
Show 20073+3553 BKO 91 AC 290 12.4 20
Show 20073+3553 BKO 91 AD 298 51.6 20
Show 20075+3553 SEI 896 130 11.4 20
Show 20058+3554 SEI 849 275 24.0 22
Show 20062+3551 SEI 869 50 5.0 22
Show 20086+3610 SEI 914 36 10.8 22
Show 20059+3552 SEI 856 300 22.4 22
Show 20085+3619 SEI 911 357 28.8 23
Show 20081+3554 TDS1043 235 0.9 24

 
 
WDS 20068+3611 : COMPONENTS
 
 
  A B C
B pa=353.0°
sep=24.18"
 
C pa=226.5°
sep=41.71"
pa=207.4°
sep=59.37"
 
D pa=237.6°
sep=44.48"
pa=215.9°
sep=59.04"
pa=303.8°
sep=8.80"
 
 
20068+3611 A
 
 
Coord arcsec 2000 200647.91+361108.7 Mag 12.22 PmRA -3.00 PmDE 0.0
CCDM
Ccdm 20068+3611 RComp Comp A Note1
Note2 Discov num DRAs -0.08 DDEs 8.4
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20031N3554A
HIC
 
 
20068+3611 B
 
 
Coord arcsec 2000 200647.67+361132.7 Mag 13.07 PmRA -7.00 PmDE -9.0
Calc delta mag 0.85 Calc coord yes
CCDM
Ccdm 20068+3611 RComp Comp B Note1
Note2 Discov num SEI 884 DRAs -0.35 DDEs 32.7
R dRAs 65 Year 1896 Theta 353 Rho 24.9
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20031N3554B
HIC
 
 
20068+3611 C
 
 
Coord arcsec 2000 200645.41+361040.0 Coord calc 200645.41+361040.0 Mag 11.97 PmRA 11.00
PmDE 3.0 Calc delta mag 0.25
 
 
20068+3611 D
 
 
Coord arcsec 2000 200644.81+361044.9 Mag 13.4 PmRA -9.00 PmDE -10.0
Calc delta mag 1.18 Calc coord yes