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Current system
20108+3654
SEI 956


Nearby doubles
3' : 20108+3652
SEI 957

4' : 20107+3657
SEI 953

9' : 20108+3646
SEI 958

9' : 20107+3703
STT 399AB

11' : 20117+3654
SLE 957

11' : 20104+3644
SEI 945AB

12' : 20103+3643
SMR 77

13' : 20102+3644
ES 87

13' : 20110+3642
SEI 962

17' : 20117+3706
SEI 980

17' : 20094+3651
BNW 2AB

17' : 20108+3637
TDT2052

18' : 20112+3710
SEI 964

18' : 20115+3639
SEI 974AB

19' : 20119+3642
TDT2077

19' : 20108+3713
TOB 174AB

20' : 20105+3635
SEI 948

20' : 20106+3714
SEI 951AB

21' : 20120+3640
SEI 989

21' : 20091+3657
SEI 921

22' : 20103+3715
SEI 942

23' : 20121+3710
SEI 995

25' : 20112+3718
SEI 965

25' : 20127+3645
SEI1006AB

26' : 20115+3630
SEI 971AB

26' : 20124+3711
SEI 999



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

20108+3654 SEI 956

 
 
20h 10m 47.42s +36° 53' 49.8" P.A. 257.00 sep 12.0 mag 12.37,12.90
 
 
Coord 2000 20108+3654 Discov num SEI 956 Comp Coord arcsec 2000 20 10 47.42 +36 53 49.8
Date first 1896 Date last 2015 Obs 10
Pa first 255 Pa last 257.2 P.A. Now (θ) 257.2°
Sep first 12.1 Sep last 12.04 Sep. Now (ρ) 12.04"
Mag pri 12.37 Mag sec 12.90 delta mag (ΔM) 0.53 Spectral class
Pri motion ra -005 Sec motion ra -004
Pri motion dec -010 Sec motion dec -005
Notes
rPM=0.456
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-02171-1 Gaia DR2 2060750322513304192
 
 
WDS 20108+3654 SEI 956 : 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
20108+3654 SEI 956 1983 2 75 12.2 10.50 11.00 201047.80+365335.0
20108+3654 SEI 956 1998 3 257 12.2 12.37 12.90 D 201047.42+365349.8
20108+3654 SEI 956 2002 4 257 12.1 12.37 12.90 D 201047.42+365349.8
20108+3654 SEI 956 2010 5 255 12.3 12.37 12.90 201047.42+365349.8
20108+3654 SEI 956 2015 6 257 12.1 12.37 12.90 201047.42+365349.8

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

 
 
WDS 20108+3654 SEI 956 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20108+3654 SEI 956 : MEASURES
 
 
No records found.

 
 
WDS 20108+3654 : VIRTUAL EYEPIECE
 
 

20108+3654 SEI 956A mag 12.37 20108+3654 SEI 956B sep 9.8 P.A. 254.10 mag 12.9 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 20108+3654 : ALADIN DSS IMAGE @ 20h 10m 47.42s +36° 53' 49.8"
 
 
 
 
WDS 20108+3654 SEI 956 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20108+3654 SEI 956 distance=0' 20108+3652 SEI 957 distance=3' 20107+3657 SEI 953 distance=4' 20108+3646 SEI 958 distance=9' 20107+3703 STT 399AB distance=9' 20107+3703 WAL 129AC distance=9' 20117+3654 SLE 957 distance=11' 20104+3644 SEI 945AB distance=11' 20104+3644 SEI 946AC distance=11' 20103+3643 SMR 77 distance=12' 20102+3644 ES 87 distance=13' 20110+3642 SEI 962 distance=13' 20117+3706 SEI 980 distance=17' 20094+3651 BNW 2AB distance=17' 20094+3651 CIA 19Aa,Ab distance=17' 20108+3637 TDT2052 distance=17' 20112+3710 SEI 964 distance=18' 20115+3639 SEI 974AB distance=18' 20115+3639 TOB 175AC distance=18' 20115+3639 TOB 175AD distance=18' 20119+3642 TDT2077 distance=19' 20108+3713 SLE 952BC distance=19' 20108+3713 SLE 952BD distance=19' 20108+3713 TOB 174AB distance=19' 20105+3635 SEI 948 distance=20' 20106+3714 SEI 951AB distance=20' 20106+3714 SEI 950AC distance=20' 20120+3640 SEI 989 distance=21' 20091+3657 SEI 921 distance=21' 20103+3715 SEI 942 distance=22' 20121+3710 SEI 995 distance=23' 20112+3718 SEI 965 distance=25' 20127+3645 SEI1006AB distance=25' 20127+3645 SLE 964AC distance=25' 20115+3630 SEI 971AB distance=26' 20115+3630 SLE 954AC distance=26' 20115+3630 SLE 954AD distance=26' 20124+3711 SEI 999 distance=26' 20127+3642 SEI1007 distance=27' 20126+3639 SLE 962 distance=28' 20098+3629 COU2413 distance=28' 20085+3648 SEI 913 distance=28' 20129+3642 SEI1011 distance=29' 20111+3626 ALI 414 distance=29' 20094+3630 BKO 96MN distance=29' 20117+3720 SEI 982 distance=29' 20115+3722 SEI 973 distance=29' 20094+3630 BKO 96DL distance=30' 20128+3638 SEI1010 distance=30' 20094+3630 SEI 928AB distance=30' 20094+3630 SEI 927AC distance=30' 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 20108+3654 SEI 956 257 12.0
Show 20108+3652 SEI 957 76 28.3 3
Show 20107+3657 SEI 953 301 17.4 4
Show 20108+3646 SEI 958 323 21.4 9
Show 20107+3703 STT 399 AB 278 4.6 9
Show 20107+3703 WAL 129 AC 271 26.9 9
Show 20117+3654 SLE 957 335 6.7 11
Show 20104+3644 SEI 945 AB 274 5.9 11
Show 20104+3644 SEI 946 AC 64 13.7 11
Show 20103+3643 SMR 77 92 2.9 12
Show 20102+3644 ES 87 298 8.5 13
Show 20110+3642 SEI 962 289 23.3 13
Show 20117+3706 SEI 980 185 23.8 17
Show 20094+3651 BNW 2 AB 124 81.9 17
Show 20094+3651 CIA 19 Aa,Ab 164 0.0 17
Show 20108+3637 TDT2052 142 2.3 17
Show 20112+3710 SEI 964 108 21.1 18
Show 20115+3639 SEI 974 AB 7 18.1 18
Show 20115+3639 TOB 175 AC 95 53.3 18
Show 20115+3639 TOB 175 AD 123 36.6 18
Show 20119+3642 TDT2077 49 0.8 19
Show 20108+3713 SLE 952 BC 91 6.8 19
Show 20108+3713 SLE 952 BD 353 12.2 19
Show 20108+3713 TOB 174 AB 263 25.1 19
Show 20105+3635 SEI 948 88 21.7 20
Show 20106+3714 SEI 951 AB 63 12.0 20
Show 20106+3714 SEI 950 AC 37 16.0 20
Show 20120+3640 SEI 989 153 29.4 21
Show 20091+3657 SEI 921 336 25.7 21
Show 20103+3715 SEI 942 122 7.5 22
Show 20121+3710 SEI 995 44 23.2 23
Show 20112+3718 SEI 965 220 20.5 25
Show 20127+3645 SEI1006 AB 306 17.1 25
Show 20127+3645 SLE 964 AC 332 11.5 25
Show 20115+3630 SEI 971 AB 14 14.1 26
Show 20115+3630 SLE 954 AC 294 24.1 26
Show 20115+3630 SLE 954 AD 357 22.3 26
Show 20124+3711 SEI 999 270 24.8 26
Show 20127+3642 SEI1007 238 22.8 27
Show 20126+3639 SLE 962 21 8.5 28
Show 20098+3629 COU2413 91 0.8 28
Show 20085+3648 SEI 913 46 5.3 28
Show 20129+3642 SEI1011 257 6.9 29
Show 20111+3626 ALI 414 215 11.6 29
Show 20094+3630 BKO 96 MN 257 17.6 29
Show 20117+3720 SEI 982 63 19.6 29
Show 20115+3722 SEI 973 106 20.8 29
Show 20094+3630 BKO 96 DL 18 14.9 30
Show 20128+3638 SEI1010 205 31.4 30
Show 20094+3630 SEI 928 AB 132 10.3 30
Show 20094+3630 SEI 927 AC 324 18.8 30

 
 
WDS 20108+3654 : COMPONENTS
 
 
  A
B pa=254.1°
sep=9.76"
 
 
20108+3654 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201047.42+365349.8 Mag 12.37 PmRA -5.00
PmDE -10.0 Tycho2 2683-02171-1
Tycho2
Tycho2 2683-02171-1 Pflag RAmdeg 302.69759757 DEmdeg 36.89718311
PmRA -9.5 PmDE -11.3 E RAmdeg 86 E DEmdeg 81
E pmRA 3.0 E pmDE 2.8 EpRAm 1980.02 EpDEm 1979.79
Num 3 Q RAmdeg 4.1 Q DEmdeg 1.9 Q pmRA 4.1
Q pmDE 1.9 BTmag 12.651 E BTmag 0.219 VTmag 12.372
E VTmag 0.210 Prox 999 TYC HIP
CCDM RAdeg 302.69761278 DEdeg 36.89720500 EpRA 1990 1.55
EpDE 1990 1.67 E RAdeg 92.8 E DEdeg 88.1 Posflg
Corr 0.1
CCDM
Ccdm 20108+3654 RComp Comp A Note1
Note2 Discov num DRAs -0.28 DDEs -25.0
R dRAs 45 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 20071N3636A
HIC
 
 
20108+3654 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201046.64+365347.1 Mag 12.9 PmRA -4.00
PmDE -5.0 Calc delta mag 0.53 Calc coord yes
CCDM
Ccdm 20108+3654 RComp Comp B Note1
Note2 Discov num SEI 956 DRAs DDEs
R dRAs Year 1896 Theta 075 Rho 12.1
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 20071N3636B
HIC