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Current system
20237+3937
ALI 1141


Nearby doubles
20' : 20235+3918
SEI1111

25' : 20239+3912
J 129

26' : 20241+3912
SEI1115

26' : 20230+3913
STTA206AB

27' : 20244+4002
MLB 21

28' : 20215+3950
SEI1103

31' : 20240+3906
FGS 32

33' : 20263+3925
ES 1975

34' : 20209+3928
HO 127

34' : 20253+4003
MLB 22

35' : 20259+3914
SEI1122

35' : 20248+4009
HO 278

36' : 20255+4006
D 22AB

36' : 20257+4004
TOR 25AB

37' : 20210+3919
SEI1097AB

37' : 20208+3922
BKO 568

38' : 20207+3922
SEI1094

39' : 20208+3919
TDT2196

41' : 20206+3919
TDS1061

41' : 20254+4014
MLR 1

42' : 20249+3858
COU2418

42' : 20206+3917
BKO 567AB

42' : 20203+3924
A 1427AB

42' : 20203+3922
SEI1091

42' : 20229+3856
SEI1106

43' : 20216+3902
SEI1101



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

20237+3937 ALI 1141

 
 
20h 23m 41.10s +39° 37' 00.5" P.A. 21.00 sep 11.5 mag 10.90,12.00 Sp O9V
 
 
Coord 2000 20237+3937 Discov num ALI1141 Comp Coord arcsec 2000 20 23 41.10 +39 37 00.5
Date first 1892 Date last 2015 Obs 11
Pa first 8 Pa last 20.6 P.A. Now (θ) 20.6°
Sep first 7.3 Sep last 11.476 Sep. Now (ρ) 11.476"
Mag pri 10.90 Mag sec 12.00 delta mag (ΔM) 1.1 Spectral class O9V (blue)
Pri motion ra -030 Sec motion ra -003
Pri motion dec -032 Sec motion dec -001
Notes
rPM=0.937
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2067437041135007616
 
 
WDS 20237+3937 ALI 1141 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ali1949 Pa - Ali, A. 1949AJ.....54..199A
Ali1949 AJ 54, 199, 1949
Ali1950 Pa - Ali, A. 1950AJ.....55..209A
Ali1950 AJ 55, 208, 1950
Ali1952 Pa - Ali, A. 1952AJ.....57..146A
Ali1952 AJ 57, 146, 1952
Ali1955 Pa - Ali, A. .
Ali1955 Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999 Pa - Ali, A. ...................
Ali9999 +Po Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20237+3937 ALI1141 1928 3 12 8.0 12.00 13.10 202341.00+393709.0
20237+3937 ALI1141 2002 4 20 11.1 10.90 12.00 202341.10+393700.5
20237+3937 ALI1141 2013 5 20 11.6 10.90 12.00 O9V 202341.10+393700.5
20237+3937 ALI1141 2015 7 20 11.5 10.90 12.00 O9V 202341.10+393700.5

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

 
 
WDS 20237+3937 ALI 1141 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20237+3937 ALI 1141 : MEASURES
 
 
No records found.

 
 
WDS 20237+3937 : VIRTUAL EYEPIECE
 
 

20237+3937 ALI1141A mag 10.9 Sp O9V 20237+3937 ALI1141B sep 11.2 P.A. 16.10 mag 12 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 20237+3937 : ALADIN DSS IMAGE @ 20h 23m 41.10s +39° 37' 00.5"
 
 
 
 
WDS 20237+3937 ALI 1141 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20237+3937 ALI1141 distance=0' 20235+3918 SEI1111 distance=20' 20239+3912 J 129 distance=25' 20241+3912 SEI1115 distance=26' 20230+3913 STTA206AB distance=26' 20230+3913 STTA206AD distance=26' 20230+3913 SEI1107BC distance=27' 20244+4002 MLB 21 distance=27' 20215+3950 SEI1103 distance=28' 20240+3906 FGS 32 distance=31' 20263+3925 ES 1975 distance=33' 20209+3928 HO 127 distance=34' 20253+4003 MLB 22 distance=34' 20259+3914 SEI1122 distance=35' 20248+4009 HO 278 distance=35' 20255+4006 D 22AB distance=36' 20255+4006 D 22AC distance=36' 20255+4006 POP 224AD distance=36' 20210+3919 TOB 186BC distance=36' 20257+4004 TOR 25AB distance=36' 20257+4004 POP 199AC distance=36' 20210+3919 SEI1097AB distance=37' 20208+3922 BKO 568 distance=37' 20207+3922 SEI1094 distance=38' 20208+3919 TDT2196 distance=39' 20222+4015 BU 665BC,D distance=41' 20222+4015 BU 665BC distance=41' 20206+3919 TDS1061 distance=41' 20254+4014 MLR 1 distance=41' 20249+3858 COU2418 distance=42' 20206+3917 BKO 567AB distance=42' 20206+3917 BKO 567AC distance=42' 20203+3924 A 1427AB distance=42' 20203+3924 STF2668AB,C distance=42' 20203+3922 SEI1091 distance=42' 20222+4015 BU 665A,BC (Sadr) distance=42' 20229+3856 SEI1106 distance=42' 20216+3902 SEI1101 distance=43' 20203+3920 SEI1090 distance=43' 20272+3948 SEI1127 distance=43' 20272+3949 ES 1976 distance=43' 20236+3854 TDT2232AB distance=44' 20236+3854 GII 51AC distance=44' 20236+3854 GII 51Aa,Ab distance=44' 20203+3919 BKO 566 distance=44' 20199+3933 HO 593 distance=44' 20203+3958 BRT2260 distance=45' 20201+3921 ES 2050AB distance=45' 20201+3921 ES 2050AC distance=45' 20214+3900 GRV 334 distance=45' 20200+3921 MLB 882 distance=46' 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 20237+3937 ALI1141 21 11.5
Show 20235+3918 SEI1111 10 25.3 20
Show 20239+3912 J 129 35 3.3 25
Show 20241+3912 SEI1115 181 23.6 26
Show 20230+3913 STTA206 AB 254 43.7 26
Show 20230+3913 STTA206 AD 259 24.5 26
Show 20230+3913 SEI1107 BC 69 19.3 27
Show 20244+4002 MLB 21 15 8.8 27
Show 20215+3950 SEI1103 223 17.0 28
Show 20240+3906 FGS 32 -1 -1.0 31
Show 20263+3925 ES 1975 26 4.1 33
Show 20209+3928 HO 127 94 1.9 34
Show 20253+4003 MLB 22 227 6.2 34
Show 20259+3914 SEI1122 271 27.6 35
Show 20248+4009 HO 278 70 0.1 35
Show 20255+4006 D 22 AB 163 2.9 36
Show 20255+4006 D 22 AC 114 18.1 36
Show 20255+4006 POP 224 AD 98 71.2 36
Show 20210+3919 TOB 186 BC 51 16.2 36
Show 20257+4004 TOR 25 AB 191 4.7 36
Show 20257+4004 POP 199 AC 245 59.6 36
Show 20210+3919 SEI1097 AB 44 27.2 37
Show 20208+3922 BKO 568 249 8.1 37
Show 20207+3922 SEI1094 316 27.1 38
Show 20208+3919 TDT2196 192 0.4 39
Show 20222+4015 BU 665 BC,D 131 41.0 41
Show 20222+4015 BU 665 BC 302 1.9 41
Show 20206+3919 TDS1061 345 1.5 41
Show 20254+4014 MLR 1 213 0.4 41
Show 20249+3858 COU2418 331 2.0 42
Show 20206+3917 BKO 567 AB 284 5.6 42
Show 20206+3917 BKO 567 AC 87 5.2 42
Show 20203+3924 A 1427 AB 132 0.2 42
Show 20203+3924 STF2668 AB,C 280 3.5 42
Show 20203+3922 SEI1091 180 27.7 42
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 42
Show 20229+3856 SEI1106 109 3.8 42
Show 20216+3902 SEI1101 11 11.6 43
Show 20203+3920 SEI1090 154 13.9 43
Show 20272+3948 SEI1127 116 26.3 43
Show 20272+3949 ES 1976 79 3.8 43
Show 20236+3854 TDT2232 AB 211 1.5 44
Show 20236+3854 GII 51 AC 356 3.2 44
Show 20236+3854 GII 51 Aa,Ab 115 0.1 44
Show 20203+3919 BKO 566 159 5.9 44
Show 20199+3933 HO 593 313 5.0 44
Show 20203+3958 BRT2260 9 3.2 45
Show 20201+3921 ES 2050 AB 92 5.9 45
Show 20201+3921 ES 2050 AC 191 11.2 45
Show 20214+3900 GRV 334 275 31.1 45
Show 20200+3921 MLB 882 279 5.0 46

 
 
WDS 20237+3937 : COMPONENTS
 
 
  A
B pa=16.1°
sep=11.18"
 
 
20237+3937 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202341.10+393700.5 Mag 10.9 Spectral class O9V (blue)
PmRA -30.00 PmDE -32.0
CCDM
Ccdm 20237+3937 RComp Comp A Note1
Note2 Discov num DRAs -1.07 DDEs 8.7
R dRAs 45 Year Theta Rho
Obs 2 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20201N3918A
HIC
 
 
20237+3937 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202341.37+393711.2 Mag 12 PmRA -3.00
PmDE -1.0 Calc delta mag 1.1 Calc coord yes
CCDM
Ccdm 20237+3937 RComp Comp B Note1
Note2 Discov num ALI1141 DRAs DDEs
R dRAs Year 1928 Theta 013 Rho 7.2
Obs 1 Vmag 13.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20201N3918B
HIC