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Doubles in session


Current system
20117+3720
SEI 982


Nearby doubles
4' : 20115+3722
SEI 973

7' : 20118+3726
SLE 959AB

7' : 20112+3718
SEI 965

8' : 20123+3723
SLE 961

8' : 20119+3727
SLE 960

9' : 20112+3726
ES 2187

11' : 20125+3717
SEI1005

12' : 20121+3710
SEI 995

12' : 20112+3710
SEI 964

12' : 20113+3731
ALI 657

13' : 20124+3711
SEI 999

13' : 20108+3713
TOB 174AB

13' : 20118+3733
ES 2120

14' : 20117+3706
SEI 980

15' : 20106+3714
SEI 951AB

17' : 20113+3736
ALI 658

18' : 20103+3715
SEI 942

19' : 20127+3735
SLE 963

22' : 20107+3703
STT 399AB

22' : 20101+3728
ES 2186

25' : 20135+3733
SLE 967

26' : 20117+3745
SLE 958AB

26' : 20137+3713
SEI1026

26' : 20103+3740
TDT2044

27' : 20117+3654
SLE 957

27' : 20107+3657
SEI 953



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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20117+3720 SEI 982

 
 
20h 11m 42.78s +37° 20' 11.5" P.A. 63.00 sep 19.6 mag 11.78,12.47 Sp em
 
 
Coord 2000 20117+3720 Discov num SEI 982 Comp Coord arcsec 2000 20 11 42.78 +37 20 11.5
Date first 1896 Date last 2016 Obs 14
Pa first 64 Pa last 63.2 P.A. Now (θ) 63.2°
Sep first 19.0 Sep last 19.582 Sep. Now (ρ) 19.582"
Mag pri 11.78 Mag sec 12.47 delta mag (ΔM) 0.69 Spectral class em
Pri motion ra -003 Sec motion ra +002
Pri motion dec -013 Sec motion dec -006
Notes
rPM=0.645
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-02051-1 Gaia DR2 2060789393861224448
 
 
WDS 20117+3720 SEI 982 : 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
20117+3720 SEI 982 1983 4 63 19.5 11.00 11.00 201143.70+371953.0
20117+3720 SEI 982 1998 5 63 19.5 12.62 12.80 D 201142.78+372011.5
20117+3720 SEI 982 2002 6 63 19.5 12.62 12.80 D 201142.78+372011.5
20117+3720 SEI 982 2011 7 63 19.6 12.62 12.80 D 201142.78+372011.5
20117+3720 SEI 982 2016 9 63 19.6 11.78 12.47 em 201142.78+372011.5

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

 
 
WDS 20117+3720 SEI 982 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20117+3720 SEI 982 : MEASURES
 
 
No records found.

 
 
WDS 20117+3720 : VIRTUAL EYEPIECE
 
 

20117+3720 SEI 982A mag 11.78 Sp em 20117+3720 SEI 982B sep 16.5 P.A. 57.60 mag 12.47 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20117+3720 : ALADIN DSS IMAGE @ 20h 11m 42.78s +37° 20' 11.5"
 
 
 
 
WDS 20117+3720 SEI 982 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20117+3720 SEI 982 distance=0' 20115+3722 SEI 973 distance=4' 20118+3726 SLE 959AB distance=7' 20118+3726 SLE 959AC distance=7' 20112+3718 SEI 965 distance=7' 20123+3723 SLE 961 distance=8' 20119+3727 SLE 960 distance=8' 20112+3726 ES 2187 distance=9' 20125+3717 SEI1005 distance=11' 20121+3710 SEI 995 distance=12' 20112+3710 SEI 964 distance=12' 20113+3731 ALI 657 distance=12' 20124+3711 SEI 999 distance=13' 20108+3713 TOB 174AB distance=13' 20118+3733 ES 2120 distance=13' 20108+3713 SLE 952BC distance=13' 20108+3713 SLE 952BD distance=13' 20117+3706 SEI 980 distance=14' 20106+3714 SEI 951AB distance=15' 20106+3714 SEI 950AC distance=15' 20113+3736 ALI 658 distance=17' 20103+3715 SEI 942 distance=18' 20127+3735 SLE 963 distance=19' 20107+3703 STT 399AB distance=22' 20107+3703 WAL 129AC distance=22' 20101+3728 ES 2186 distance=22' 20135+3733 SLE 967 distance=25' 20117+3745 SLE 958AB distance=26' 20117+3745 SLE 958AC distance=26' 20137+3713 SEI1026 distance=26' 20103+3740 TDT2044 distance=26' 20117+3654 SLE 957 distance=27' 20107+3657 SEI 953 distance=27' 20138+3710 TOB 181 distance=27' 20140+3726 SLE 969 distance=28' 20108+3654 SEI 956 distance=29' 20140+3710 SEI1029 distance=29' 20108+3652 SEI 957 distance=31' 20141+3706 A 1419 distance=32' 20112+3752 SLE 953AB distance=32' 20112+3752 SLE 953AC distance=32' 20106+3751 SEI 949 distance=34' 20108+3646 SEI 958 distance=37' 20127+3645 SEI1006AB distance=37' 20127+3645 SLE 964AC distance=37' 20119+3642 TDT2077 distance=39' 20110+3642 SEI 962 distance=40' 20143+3657 A 1420 distance=40' 20104+3644 SEI 945AB distance=40' 20104+3644 SEI 946AC distance=40' 20091+3657 SEI 921 distance=40' 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 20117+3720 SEI 982 63 19.6
Show 20115+3722 SEI 973 106 20.8 4
Show 20118+3726 SLE 959 AB 162 13.0 7
Show 20118+3726 SLE 959 AC 176 21.9 7
Show 20112+3718 SEI 965 220 20.5 7
Show 20123+3723 SLE 961 334 7.4 8
Show 20119+3727 SLE 960 295 12.2 8
Show 20112+3726 ES 2187 342 3.3 9
Show 20125+3717 SEI1005 56 26.5 11
Show 20121+3710 SEI 995 44 23.2 12
Show 20112+3710 SEI 964 108 21.1 12
Show 20113+3731 ALI 657 281 10.6 12
Show 20124+3711 SEI 999 270 24.8 13
Show 20108+3713 TOB 174 AB 263 25.1 13
Show 20118+3733 ES 2120 290 6.9 13
Show 20108+3713 SLE 952 BC 91 6.8 13
Show 20108+3713 SLE 952 BD 353 12.2 13
Show 20117+3706 SEI 980 185 23.8 14
Show 20106+3714 SEI 951 AB 63 12.0 15
Show 20106+3714 SEI 950 AC 37 16.0 15
Show 20113+3736 ALI 658 14 8.7 17
Show 20103+3715 SEI 942 122 7.5 18
Show 20127+3735 SLE 963 73 5.4 19
Show 20107+3703 STT 399 AB 278 4.6 22
Show 20107+3703 WAL 129 AC 271 26.9 22
Show 20101+3728 ES 2186 192 4.7 22
Show 20135+3733 SLE 967 118 13.7 25
Show 20117+3745 SLE 958 AB 322 17.9 26
Show 20117+3745 SLE 958 AC 6 19.7 26
Show 20137+3713 SEI1026 87 19.5 26
Show 20103+3740 TDT2044 193 0.9 26
Show 20117+3654 SLE 957 335 6.7 27
Show 20107+3657 SEI 953 301 17.4 27
Show 20138+3710 TOB 181 16 15.0 27
Show 20140+3726 SLE 969 245 9.1 28
Show 20108+3654 SEI 956 257 12.0 29
Show 20140+3710 SEI1029 232 7.2 29
Show 20108+3652 SEI 957 76 28.3 31
Show 20141+3706 A 1419 35 0.4 32
Show 20112+3752 SLE 953 AB 121 5.7 32
Show 20112+3752 SLE 953 AC 184 6.7 32
Show 20106+3751 SEI 949 134 10.4 34
Show 20108+3646 SEI 958 323 21.4 37
Show 20127+3645 SEI1006 AB 306 17.1 37
Show 20127+3645 SLE 964 AC 332 11.5 37
Show 20119+3642 TDT2077 49 0.8 39
Show 20110+3642 SEI 962 289 23.3 40
Show 20143+3657 A 1420 70 0.6 40
Show 20104+3644 SEI 945 AB 274 5.9 40
Show 20104+3644 SEI 946 AC 64 13.7 40
Show 20091+3657 SEI 921 336 25.7 40

 
 
WDS 20117+3720 : COMPONENTS
 
 
  A
B pa=57.6°
sep=16.46"
 
 
20117+3720 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201142.78+372011.5 Mag 11.78 Spectral class em
PmRA -3.00 PmDE -13.0
CCDM
Ccdm 20117+3720 RComp Comp A Note1
Note2 Discov num DRAs 1.65 DDEs -7.6
R dRAs 45 Year Theta Rho
Obs 2 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20080N3702A
HIC
 
 
20117+3720 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201143.95+372020.3 Mag 12.47 PmRA 2.00
PmDE -6.0 Tycho2 2683-02051-1 Calc delta mag 0.69 Calc coord yes
Tycho2
Tycho2 2683-02051-1 Pflag RAmdeg 302.92827937 DEmdeg 37.33656918
PmRA -0.6 PmDE -14.3 E RAmdeg 130 E DEmdeg 117
E pmRA 3.5 E pmDE 3.2 EpRAm 1952.99 EpDEm 1952.62
Num 5 Q RAmdeg 1.1 Q DEmdeg 1.8 Q pmRA 1.1
Q pmDE 1.8 BTmag 13.295 E BTmag 0.330 VTmag 12.615
E VTmag 0.226 Prox 999 TYC HIP
CCDM RAdeg 302.92827556 DEdeg 37.33657917 EpRA 1990 1.60
EpDE 1990 1.73 E RAdeg 195.1 E DEdeg 175.5 Posflg
Corr 0.2
CCDM
Ccdm 20117+3720 RComp Comp B Note1
Note2 Discov num SEI 982 DRAs DDEs
R dRAs Year 1896 Theta 063 Rho 19.0
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 20080N3702B
HIC