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Current system
20124+3711
SEI 999


Nearby doubles
4' : 20121+3710
SEI 995

7' : 20125+3717
SEI1005

10' : 20117+3706
SEI 980

13' : 20123+3723
SLE 961

13' : 20117+3720
SEI 982

15' : 20112+3710
SEI 964

16' : 20115+3722
SEI 973

16' : 20112+3718
SEI 965

17' : 20137+3713
SEI1026

17' : 20118+3726
SLE 959AB

17' : 20138+3710
TOB 181

17' : 20119+3727
SLE 960

19' : 20108+3713
TOB 174AB

19' : 20140+3710
SEI1029

20' : 20117+3654
SLE 957

21' : 20112+3726
ES 2187

21' : 20141+3706
A 1419

22' : 20106+3714
SEI 951AB

22' : 20107+3703
STT 399AB

24' : 20118+3733
ES 2120

24' : 20113+3731
ALI 657

25' : 20127+3735
SLE 963

25' : 20140+3726
SLE 969

25' : 20107+3657
SEI 953

26' : 20103+3715
SEI 942

26' : 20135+3733
SLE 967



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

20124+3711 SEI 999

 
 
20h 12m 22.97s +37° 10' 59.3" P.A. 270.00 sep 24.8 mag 10.93,12.58 Sp A
 
 
Coord 2000 20124+3711 Discov num SEI 999 Comp Coord arcsec 2000 20 12 22.97 +37 10 59.3
Date first 1896 Date last 2015 Obs 9
Pa first 272 Pa last 269.6 P.A. Now (θ) 269.6°
Sep first 23.9 Sep last 24.841 Sep. Now (ρ) 24.841"
Mag pri 10.93 Mag sec 12.58 delta mag (ΔM) 1.65 Spectral class A (white)
Pri motion ra +003 Sec motion ra -004
Pri motion dec -001 Sec motion dec -005
Notes
rPM=1.259
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-00891-1 Gaia DR2 2060736995257248768 HD 228292
 
 
WDS 20124+3711 SEI 999 : 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
20124+3711 SEI 999 1998 3 270 24.7 10.93 12.90 D 201222.97+371059.3
20124+3711 SEI 999 2002 4 270 24.8 10.93 12.90 D 201222.97+371059.3
20124+3711 SEI 999 2015 5 270 24.8 10.93 12.58 A 201222.97+371059.3

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

 
 
WDS 20124+3711 SEI 999 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20124+3711 SEI 999 : MEASURES
 
 
No records found.

 
 
WDS 20124+3711 : VIRTUAL EYEPIECE
 
 

20124+3711 SEI 999A mag 10.93 Sp A 20124+3711 SEI 999B sep 19.8 P.A. 269.50 mag 12.58 virtual eyepiece
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Radius:
Components only
 
 
WDS 20124+3711 : ALADIN DSS IMAGE @ 20h 12m 22.97s +37° 10' 59.3"
 
 
 
 
WDS 20124+3711 SEI 999 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20124+3711 SEI 999 distance=0' 20121+3710 SEI 995 distance=4' 20125+3717 SEI1005 distance=7' 20117+3706 SEI 980 distance=10' 20123+3723 SLE 961 distance=13' 20117+3720 SEI 982 distance=13' 20112+3710 SEI 964 distance=15' 20115+3722 SEI 973 distance=16' 20112+3718 SEI 965 distance=16' 20137+3713 SEI1026 distance=17' 20118+3726 SLE 959AB distance=17' 20118+3726 SLE 959AC distance=17' 20138+3710 TOB 181 distance=17' 20119+3727 SLE 960 distance=17' 20108+3713 TOB 174AB distance=19' 20108+3713 SLE 952BC distance=19' 20108+3713 SLE 952BD distance=19' 20140+3710 SEI1029 distance=19' 20117+3654 SLE 957 distance=20' 20112+3726 ES 2187 distance=21' 20141+3706 A 1419 distance=21' 20106+3714 SEI 951AB distance=22' 20106+3714 SEI 950AC distance=22' 20107+3703 STT 399AB distance=22' 20107+3703 WAL 129AC distance=22' 20118+3733 ES 2120 distance=24' 20113+3731 ALI 657 distance=24' 20127+3735 SLE 963 distance=25' 20140+3726 SLE 969 distance=25' 20107+3657 SEI 953 distance=25' 20103+3715 SEI 942 distance=26' 20135+3733 SLE 967 distance=26' 20108+3654 SEI 956 distance=26' 20127+3645 SEI1006AB distance=26' 20127+3645 SLE 964AC distance=26' 20143+3657 A 1420 distance=28' 20108+3652 SEI 957 distance=28' 20113+3736 ALI 658 distance=29' 20129+3642 SEI1011 distance=30' 20119+3642 TDT2077 distance=30' 20127+3642 SEI1007 distance=30' 20120+3640 SEI 989 distance=32' 20108+3646 SEI 958 distance=32' 20101+3728 ES 2186 distance=33' 20126+3639 SLE 962 distance=33' 20128+3638 SEI1010 distance=34' 20110+3642 SEI 962 distance=34' 20136+3640 SEI1023 distance=34' 20115+3639 SEI 974AB distance=34' 20115+3639 TOB 175AC distance=34' 20115+3639 TOB 175AD distance=34' 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 20124+3711 SEI 999 270 24.8
Show 20121+3710 SEI 995 44 23.2 4
Show 20125+3717 SEI1005 56 26.5 7
Show 20117+3706 SEI 980 185 23.8 10
Show 20123+3723 SLE 961 334 7.4 13
Show 20117+3720 SEI 982 63 19.6 13
Show 20112+3710 SEI 964 108 21.1 15
Show 20115+3722 SEI 973 106 20.8 16
Show 20112+3718 SEI 965 220 20.5 16
Show 20137+3713 SEI1026 87 19.5 17
Show 20118+3726 SLE 959 AB 162 13.0 17
Show 20118+3726 SLE 959 AC 176 21.9 17
Show 20138+3710 TOB 181 16 15.0 17
Show 20119+3727 SLE 960 295 12.2 17
Show 20108+3713 TOB 174 AB 263 25.1 19
Show 20108+3713 SLE 952 BC 91 6.8 19
Show 20108+3713 SLE 952 BD 353 12.2 19
Show 20140+3710 SEI1029 232 7.2 19
Show 20117+3654 SLE 957 335 6.7 20
Show 20112+3726 ES 2187 342 3.3 21
Show 20141+3706 A 1419 35 0.4 21
Show 20106+3714 SEI 951 AB 63 12.0 22
Show 20106+3714 SEI 950 AC 37 16.0 22
Show 20107+3703 STT 399 AB 278 4.6 22
Show 20107+3703 WAL 129 AC 271 26.9 22
Show 20118+3733 ES 2120 290 6.9 24
Show 20113+3731 ALI 657 281 10.6 24
Show 20127+3735 SLE 963 73 5.4 25
Show 20140+3726 SLE 969 245 9.1 25
Show 20107+3657 SEI 953 301 17.4 25
Show 20103+3715 SEI 942 122 7.5 26
Show 20135+3733 SLE 967 118 13.7 26
Show 20108+3654 SEI 956 257 12.0 26
Show 20127+3645 SEI1006 AB 306 17.1 26
Show 20127+3645 SLE 964 AC 332 11.5 26
Show 20143+3657 A 1420 70 0.6 28
Show 20108+3652 SEI 957 76 28.3 28
Show 20113+3736 ALI 658 14 8.7 29
Show 20129+3642 SEI1011 257 6.9 30
Show 20119+3642 TDT2077 49 0.8 30
Show 20127+3642 SEI1007 238 22.8 30
Show 20120+3640 SEI 989 153 29.4 32
Show 20108+3646 SEI 958 323 21.4 32
Show 20101+3728 ES 2186 192 4.7 33
Show 20126+3639 SLE 962 21 8.5 33
Show 20128+3638 SEI1010 205 31.4 34
Show 20110+3642 SEI 962 289 23.3 34
Show 20136+3640 SEI1023 344 28.6 34
Show 20115+3639 SEI 974 AB 7 18.1 34
Show 20115+3639 TOB 175 AC 95 53.3 34
Show 20115+3639 TOB 175 AD 123 36.6 34

 
 
WDS 20124+3711 : COMPONENTS
 
 
  A
B pa=269.5°
sep=19.79"
 
 
20124+3711 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201222.97+371059.3 Mag 10.93 Spectral class A (white)
PmRA 3.00 PmDE -1.0 Tycho2 2683-00891-1 HD 228292
Tycho2
Tycho2 2683-00891-1 Pflag RAmdeg 303.09570339 DEmdeg 37.18316639
PmRA 6.1 PmDE 2.6 E RAmdeg 41 E DEmdeg 37
E pmRA 2.2 E pmDE 2.1 EpRAm 1986.83 EpDEm 1987.40
Num 4 Q RAmdeg 0.4 Q DEmdeg 0.6 Q pmRA 0.4
Q pmDE 0.7 BTmag 11.327 E BTmag 0.061 VTmag 10.927
E VTmag 0.065 Prox 999 TYC HIP
CCDM RAdeg 303.09568583 DEdeg 37.18316083 EpRA 1990 1.52
EpDE 1990 1.67 E RAdeg 42.0 E DEdeg 38.3 Posflg
Corr 0.2
CCDM
Ccdm 20124+3711 RComp Comp A Note1
Note2 Discov num DRAs -1.02 DDEs -1.1
R dRAs 65 Year Theta Rho
Obs 2 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20087N3653A
HIC
 
 
20124+3711 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201221.31+371059.1 Mag 12.58 PmRA -4.00
PmDE -5.0 Calc delta mag 1.65 Calc coord yes
CCDM
Ccdm 20124+3711 RComp Comp B Note1
Note2 Discov num SEI 999 DRAs -3.07 DDEs -1.1
R dRAs 65 Year 1896 Theta 272 Rho 23.8
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 20087N3653B
HIC