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Current system
20202+3840
SLE 1006 AB
HD 228969


Nearby doubles
2' : 20204+3840
SEI1088AB

3' : 20202+3838
ES 2052

13' : 20194+3831
SLE1001

14' : 20198+3852
SLE1004

16' : 20189+3839
SLE 996

18' : 20216+3836
SEI1102

21' : 20196+3820
A 1426

22' : 20192+3822
ES 2504

22' : 20219+3835
TDT2208

22' : 20192+3859
HO 126AB

23' : 20221+3839
BKO 830

26' : 20190+3900
HO 125

26' : 20223+3837
BKO 832

27' : 20214+3900
GRV 334

27' : 20179+3845
SLE 990

27' : 20183+3825
ES 2049

27' : 20221+3855
SEI1104

28' : 20189+3817
A 1425AB

29' : 20216+3902
SEI1101

29' : 20183+3822
SLE 992

29' : 20177+3836
SEI1069

29' : 20183+3820
CRB 10

32' : 20176+3835
ALI 927

33' : 20196+3808
SEI1084AB

34' : 20173+3837
TDT2141

34' : 20188+3909
SEI1079



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

20202+3840 SLE 1006 AB (HD 228969)

 
 
20h 20m 09.58s +38° 39' 32.3" P.A. 156.00 sep 16.0 mag 9.63,11.30 Sp O9.5IV
 
 
Coord 2000 20202+3840 Discov num SLE1006 Comp AB Coord arcsec 2000 20 20 09.58 +38 39 32.3
Date first 1985 Date last 2015 Obs 8
Pa first 155 Pa last 156.1 P.A. Now (θ) 156.1°
Sep first 15.7 Sep last 16.033 Sep. Now (ρ) 16.033"
Mag pri 9.63 Mag sec 11.30 delta mag (ΔM) 1.67 Spectral class O9.5IV (blue)
Pri motion ra -005 Sec motion ra +000
Pri motion dec -005 Sec motion dec -013
Notes
rPM=0.726
Nature of this double is uncertain.
 
 
20202+3840 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 228969 20 20 10 +38 39 32 SLE 1006 AB 2015 8 156 16.0 9.63 11.30 1.67 <===
Show 20 20 10 +38 39 32 SLE 1006 AC 2015 11 90 18.7 9.63 12.19 2.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228969 Constellation Cygnus Tycho2 3152-01961-1 Gaia DR2 2061288572130879616
HD 228969
 
 
WDS 20202+3840 SLE 1006 AB (HD 228969) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sle1966 Mc j Soulie, G. 1966JO.....49..359S
Sle1966 +Pa J. Obs. 49, 359, 1966
Sle1983 Pa - Soulie, G. 1983A&AS...54..281S
Sle1983 A&AS 54, 281, 1983
Sle1984 Pa - Soulie, G. 1984A&AS...56..351S
Sle1984 A&AS 56, 351, 1984
Sle1985 Pa - Soulie, G. 1985A&AS...61...17S
Sle1985 A&AS 61, 17, 1985
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b Pa - Soulie, G. .
Sle1986b Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003 C j Soulie, G. 2003O&T....56...10S
Sle2003 Obs. et Travaux 56, 10, 2003
Sle2006 Pa - Soulie, G. 2006O&T....62...26S
Sle2006 Obs. et Travaux 62, 26, 2006
Sle2006b Pa j Soulie, G. 2006O&T....63...15S
Sle2006b Obs. et Travaux 63, 15, 2006
Sle2007 C j Soulie, G. 2007O&T....65...34S
Sle2007 Obs. et Travaux 65, 34, 2007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20202+3840 SLE1006 AB 1998 2 155 16.1 10.90 12.60 D 202009.58+383932.3
20202+3840 SLE1006 AB 2002 3 156 15.9 9.63 11.30 D 202009.58+383932.3
20202+3840 SLE1006 AB 2015 4 156 16.0 9.63 11.30 O9.5IV 202009.58+383932.3

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

 
 
WDS 20202+3840 SLE 1006 AB (HD 228969) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20202+3840 SLE 1006 AB (HD 228969) : MEASURES
 
 
No records found.

 
 
WDS 20202+3840 (HD 228969) : VIRTUAL EYEPIECE
 
 

20202+3840 SLE1006A mag 9.63 Sp O9.5IV 20202+3840 SLE1006B sep 15.5 P.A. 160.90 mag 11.3 20202+3840 SLE1006C sep 15.5 P.A. 160.90 mag 12.19 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20202+3840 (HD 228969) : ALADIN DSS IMAGE @ 20h 20m 09.58s +38° 39' 32.3"
 
 
 
 
WDS 20202+3840 SLE 1006 AB (HD 228969) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20202+3840 SLE1006AB distance=0' 20204+3840 SEI1088AB distance=2' 20204+3840 SEI1089AC distance=2' 20202+3838 ES 2052 distance=3' 20194+3831 SLE1001 distance=13' 20198+3852 SLE1004 distance=14' 20189+3839 SLE 996 distance=16' 20216+3836 SEI1102 distance=18' 20196+3820 A 1426 distance=21' 20192+3822 ES 2504 distance=22' 20219+3835 TDT2208 distance=22' 20192+3859 HO 126AB distance=22' 20192+3859 HO 126AC distance=22' 20221+3839 BKO 830 distance=23' 20190+3900 HO 125 distance=26' 20223+3837 BKO 832 distance=26' 20214+3900 GRV 334 distance=27' 20179+3845 SLE 990 distance=27' 20183+3825 ES 2049 distance=27' 20221+3855 SEI1104 distance=27' 20189+3817 A 1425AB distance=28' 20189+3817 A 1425AB,C distance=28' 20216+3902 SEI1101 distance=29' 20183+3822 SLE 992 distance=29' 20177+3836 SEI1069 distance=29' 20183+3820 CRB 10 distance=29' 20176+3835 ALI 927 distance=32' 20196+3808 SEI1084AB distance=33' 20196+3808 TOB 185AC distance=33' 20173+3837 TDT2141 distance=34' 20188+3909 SEI1079 distance=34' 20206+3806 SLE1009 distance=34' 20229+3829 BKO 833BC distance=35' 20198+3806 BKO 826 distance=35' 20173+3834 MLB 951 distance=35' 20229+3829 MLB 773AB distance=35' 20229+3856 SEI1106 distance=36' 20216+3807 SLE1013 distance=37' 20206+3917 BKO 567AB distance=38' 20206+3917 BKO 567AC distance=38' 20191+3916 TRN 28AB distance=39' 20191+3916 TRN 28AC distance=39' 20203+3919 BKO 566 distance=40' 20210+3919 SEI1097AB distance=40' 20210+3919 TOB 186BC distance=40' 20206+3919 TDS1061 distance=40' 20208+3919 TDT2196 distance=40' 20203+3920 SEI1090 distance=41' 20185+3916 MLB 881 distance=42' 20200+3921 MLB 882 distance=42' 20236+3852 TDT2233 distance=42' 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 20202+3840 SLE1006 AB 156 16.0
Show 20202+3840 SLE1006 AC 90 18.7
Show 20204+3840 SEI1088 AB 238 4.3 2
Show 20204+3840 SEI1089 AC 17 28.2 2
Show 20202+3838 ES 2052 144 2.5 3
Show 20194+3831 SLE1001 216 16.1 13
Show 20198+3852 SLE1004 166 11.2 14
Show 20189+3839 SLE 996 106 6.6 16
Show 20216+3836 SEI1102 337 18.9 18
Show 20196+3820 A 1426 259 3.7 21
Show 20192+3822 ES 2504 110 7.7 22
Show 20219+3835 TDT2208 268 0.5 22
Show 20192+3859 HO 126 AB 163 2.2 22
Show 20192+3859 HO 126 AC 247 37.0 22
Show 20221+3839 BKO 830 91 8.5 23
Show 20190+3900 HO 125 196 3.5 26
Show 20223+3837 BKO 832 334 5.1 26
Show 20214+3900 GRV 334 275 31.1 27
Show 20179+3845 SLE 990 274 8.9 27
Show 20183+3825 ES 2049 267 3.2 27
Show 20221+3855 SEI1104 195 18.2 27
Show 20189+3817 A 1425 AB 266 0.2 28
Show 20189+3817 A 1425 AB,C 310 9.1 28
Show 20216+3902 SEI1101 11 11.6 29
Show 20183+3822 SLE 992 282 10.3 29
Show 20177+3836 SEI1069 247 14.6 29
Show 20183+3820 CRB 10 39 5.0 29
Show 20176+3835 ALI 927 67 5.7 32
Show 20196+3808 SEI1084 AB 247 26.3 33
Show 20196+3808 TOB 185 AC 259 13.6 33
Show 20173+3837 TDT2141 96 1.3 34
Show 20188+3909 SEI1079 110 6.2 34
Show 20206+3806 SLE1009 344 15.6 34
Show 20229+3829 BKO 833 BC 152 2.5 35
Show 20198+3806 BKO 826 87 4.9 35
Show 20173+3834 MLB 951 321 4.9 35
Show 20229+3829 MLB 773 AB 294 10.0 35
Show 20229+3856 SEI1106 109 3.8 36
Show 20216+3807 SLE1013 351 15.1 37
Show 20206+3917 BKO 567 AB 284 5.6 38
Show 20206+3917 BKO 567 AC 87 5.2 38
Show 20191+3916 TRN 28 AB 80 4.9 39
Show 20191+3916 TRN 28 AC 158 3.2 39
Show 20203+3919 BKO 566 159 5.9 40
Show 20210+3919 SEI1097 AB 44 27.2 40
Show 20210+3919 TOB 186 BC 51 16.2 40
Show 20206+3919 TDS1061 345 1.5 40
Show 20208+3919 TDT2196 192 0.4 40
Show 20203+3920 SEI1090 154 13.9 41
Show 20185+3916 MLB 881 145 10.3 42
Show 20200+3921 MLB 882 279 5.0 42

 
 
WDS 20202+3840 : COMPONENTS
 
 
  A B
B pa=160.9°
sep=15.51"
 
C pa=0.0°
sep=0.00"
pa=32.9°
sep=17.47"
 
 
20202+3840 A
 
 
Name HD 228969 Coord arcsec 2000 202009.58+383932.3 Mag 9.63 Spectral class O9.5IV (blue)
PmRA -5.00 PmDE -5.0 Tycho2 3152-01961-1 HD 228969
Tycho2
Tycho2 3152-01961-1 Pflag RAmdeg 305.03990013 DEmdeg 38.65896757
PmRA -7.0 PmDE -4.1 E RAmdeg 16 E DEmdeg 17
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.22 EpDEm 1988.87
Num 6 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.9 BTmag 10.285 E BTmag 0.030 VTmag 9.633
E VTmag 0.025 Prox 185 TYC T HIP
CCDM RAdeg 305.03992056 DEdeg 38.65897611 EpRA 1990 1.60
EpDE 1990 1.52 E RAdeg 16.6 E DEdeg 17.5 Posflg
Corr 0.1
 
 
20202+3840 B
 
 
Coord arcsec 2000 202010.01+383917.6 Mag 11.3 PmRA 0.00 PmDE -13.0
Calc delta mag 1.67 Calc coord yes
 
 
20202+3840 C
 
 
Coord arcsec 2000 202010.82+383932.3 Mag 12.19 PmRA -4.00 PmDE -7.0
Tycho2 3152-02070-1 Calc delta mag 2.56 Calc coord yes
Tycho2
Tycho2 3152-02070-1 Pflag RAmdeg 305.04643745 DEmdeg 38.65904085
PmRA -15.3 PmDE -3.7 E RAmdeg 96 E DEmdeg 97
E pmRA 4.2 E pmDE 4.0 EpRAm 1981.97 EpDEm 1979.58
Num 3 Q RAmdeg 2.2 Q DEmdeg 2.6 Q pmRA 2.3
Q pmDE 2.5 BTmag 12.277 E BTmag 0.186 VTmag 12.189
E VTmag 0.235 Prox 185 TYC HIP
CCDM RAdeg 305.04648361 DEdeg 38.65904917 EpRA 1990 1.60
EpDE 1990 1.55 E RAdeg 103.9 E DEdeg 108.2 Posflg
Corr 0.1