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Doubles in session


Current system
20327+3916
SEI 1159 AC


Nearby doubles
8' : 20332+3911
CNT 6

8' : 20332+3910
SEI1165

9' : 20329+3925
TDT2358

11' : 20335+3913
SEI1168

11' : 20319+3920
HJ 1531

14' : 20330+3903
SEI1163

17' : 20331+3932
SEI1164

18' : 20324+3859
SEI1157

21' : 20335+3858
SEI1166

25' : 20336+3854
KPP4205

27' : 20311+3935
LDS6414

28' : 20351+3914
MLB 777

30' : 20311+3854
SEI1149

32' : 20344+3852
SEI1172

34' : 20341+3847
KPP4206

35' : 20348+3852
GRV 357

35' : 20311+3847
SEI1150

36' : 20357+3908
COU2289

37' : 20306+3850
SEI1144

37' : 20349+3849
SEI1176

38' : 20357+3901
SEI1185

39' : 20328+3954
ES 1680AB

39' : 20343+3950
MLB 883

40' : 20296+3901
ALI 936AB

42' : 20298+3939
LSC 90

42' : 20292+3919
SEI1134



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

20327+3916 SEI 1159 AC

 
 
20h 32m 43.51s +39° 16' 15.8" P.A. 148.00 sep 21.0 mag 8.20,10.20 Sp B9 dist. 507.61 pc (1655.82 l.y.)
 
 
Coord 2000 20327+3916 Discov num SEI1159 Comp AC Coord arcsec 2000 20 32 43.51 +39 16 15.8
Date first 1895 Date last 2015 Obs 2
Pa first 146 Pa last 147.5 P.A. Now (θ) 147.5°
Sep first 19.7 Sep last 21 Sep. Now (ρ) 21"
Mag pri 8.20 Mag sec 10.20 delta mag (ΔM) 2 Spectral class B9 (blue-white)
Pri motion ra +003 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20327+3916 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 195918 70175 20 32 44 +39 16 16 SEI 1160 AB 2015 21 49 13.9 8.20 10.38 2.18
Show 70175 20 32 44 +39 16 16 SEI 1159 AC 2015 2 148 21.0 8.20 10.20 2.00 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70175 HIP 101370 Tycho2 3153-01235-1
Gaia DR2 2064237840252052992 HD 195918 BD BD+38 4138 Distance 507.61
Distance ly 1655.82
 
 
WDS 20327+3916 SEI 1159 AC : 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
20327+3916 SEI1159 AC 1895 1 146 19.7 8.20 10.20 B9 203243.51+391615.8
20327+3916 SEI1159 AC 2015 2 148 21.0 8.20 10.20 B9 203243.51+391615.8

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

 
 
WDS 20327+3916 SEI 1159 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20327+3916 SEI 1159 AC : MEASURES
 
 
No records found.

 
 
WDS 20327+3916 : VIRTUAL EYEPIECE
 
 

20327+3916 SEI1160A mag 8.2 Sp B9 20327+3916 SEI1160B sep 12.2 P.A. 42.00 mag 10.38 20327+3916 SEI1159C sep 19.8 P.A. 153.70 mag 10.2 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 20327+3916 : ALADIN DSS IMAGE @ 20h 32m 43.51s +39° 16' 15.8"
 
 
 
 
WDS 20327+3916 SEI 1159 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20327+3916 SEI1159AC distance=0' 20332+3911 CNT 6 distance=8' 20332+3910 SEI1165 distance=8' 20329+3925 TDT2358 distance=9' 20335+3913 SEI1168 distance=11' 20319+3920 HJ 1531 distance=11' 20330+3903 SEI1163 distance=14' 20331+3932 SEI1164 distance=17' 20324+3859 SEI1157 distance=18' 20335+3858 SEI1166 distance=21' 20336+3854 KPP4205 distance=25' 20311+3935 LDS6414 distance=27' 20351+3914 MLB 777 distance=28' 20311+3854 SEI1149 distance=30' 20344+3852 SEI1172 distance=32' 20341+3847 KPP4206 distance=34' 20348+3852 GRV 357 distance=35' 20311+3847 SEI1150 distance=35' 20357+3908 COU2289 distance=36' 20306+3850 SEI1144 distance=37' 20349+3849 SEI1176 distance=37' 20357+3901 SEI1185 distance=38' 20328+3954 ES 1680AB distance=39' 20343+3950 MLB 883 distance=39' 20328+3954 ES 1680BC distance=39' 20296+3901 ALI 936AB distance=40' 20296+3901 SEI1137AC distance=40' 20298+3939 LSC 90 distance=42' 20292+3919 SEI1134 distance=42' 20296+3856 MLB 775 distance=42' 20293+3901 DAM 315 distance=43' 20337+3835 A 1431 distance=43' 20349+3840 SEI1177 distance=45' 20328+4000 SEI1161 distance=45' 20290+3924 ALI1144 distance=45' 20314+3833 JNN 284 distance=46' 20317+3831 ES 246AB distance=47' 20317+3831 ES 246AC distance=47' 20287+3911 CBL 83 distance=48' 20361+3852 SEI1189 distance=48' 20363+3854 MLB 953 distance=48' 20367+3906 AG 259 distance=48' 20286+3923 TDT2315 distance=49' 20304+3833 A 1430 distance=51' 20327+4008 TDT2351 distance=53' 20331+3822 TDT2363 distance=54' 20296+3836 SEI1136 distance=55' 20300+3832 SMA 117 distance=55' 20374+3907 TDT2431 distance=56' 20363+3955 TDT2410 distance=57' 20338+4012 TDT2375 distance=57' 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 20327+3916 SEI1160 AB 49 13.9
Show 20327+3916 SEI1159 AC 148 21.0
Show 20332+3911 CNT 6 205 6.6 8
Show 20332+3910 SEI1165 4 10.7 8
Show 20329+3925 TDT2358 287 0.8 9
Show 20335+3913 SEI1168 118 19.4 11
Show 20319+3920 HJ 1531 318 6.4 11
Show 20330+3903 SEI1163 221 28.9 14
Show 20331+3932 SEI1164 214 18.0 17
Show 20324+3859 SEI1157 66 7.6 18
Show 20335+3858 SEI1166 73 17.0 21
Show 20336+3854 KPP4205 80 2.6 25
Show 20311+3935 LDS6414 346 8.0 27
Show 20351+3914 MLB 777 186 6.3 28
Show 20311+3854 SEI1149 203 19.6 30
Show 20344+3852 SEI1172 149 21.8 32
Show 20341+3847 KPP4206 215 1.6 34
Show 20348+3852 GRV 357 275 22.5 35
Show 20311+3847 SEI1150 74 21.6 35
Show 20357+3908 COU2289 155 0.7 36
Show 20306+3850 SEI1144 177 18.1 37
Show 20349+3849 SEI1176 11 19.9 37
Show 20357+3901 SEI1185 298 3.5 38
Show 20328+3954 ES 1680 AB 4 50.7 39
Show 20343+3950 MLB 883 310 10.0 39
Show 20328+3954 ES 1680 BC 27 2.8 39
Show 20296+3901 ALI 936 AB 77 10.5 40
Show 20296+3901 SEI1137 AC 310 22.0 40
Show 20298+3939 LSC 90 335 0.1 42
Show 20292+3919 SEI1134 32 3.8 42
Show 20296+3856 MLB 775 167 10.8 42
Show 20293+3901 DAM 315 281 10.3 43
Show 20337+3835 A 1431 29 0.9 43
Show 20349+3840 SEI1177 139 13.0 45
Show 20328+4000 SEI1161 280 7.4 45
Show 20290+3924 ALI1144 165 11.6 45
Show 20314+3833 JNN 284 252 0.1 46
Show 20317+3831 ES 246 AB 355 5.1 47
Show 20317+3831 ES 246 AC 354 9.9 47
Show 20287+3911 CBL 83 172 41.8 48
Show 20361+3852 SEI1189 36 2.2 48
Show 20363+3854 MLB 953 9 6.0 48
Show 20367+3906 AG 259 313 2.8 48
Show 20286+3923 TDT2315 141 1.5 49
Show 20304+3833 A 1430 132 3.4 51
Show 20327+4008 TDT2351 131 0.6 53
Show 20331+3822 TDT2363 174 0.5 54
Show 20296+3836 SEI1136 259 11.5 55
Show 20300+3832 SMA 117 264 12.4 55
Show 20374+3907 TDT2431 244 0.6 56
Show 20363+3955 TDT2410 76 0.6 57

 
 
WDS 20327+3916 : COMPONENTS
 
 
  A B
B pa=42.0°
sep=12.19"
 
C pa=153.7°
sep=19.75"
pa=178.8°
sep=26.78"
 
 
20327+3916 A
 
 
Name HD 195918 Coord arcsec 2000 203243.51+391615.8 Mag 8.2 Spectral class B9 (blue-white)
PmRA 1.00 PmDE -1.0 SAO 70175 HIP 101370
Tycho2 3153-01235-1 HD 195918 BD BD+38 4138
Tycho2
Tycho2 3153-01235-1 Pflag RAmdeg 308.18129596 DEmdeg 39.27105385
PmRA 3.1 PmDE 0.4 E RAmdeg 5 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.37 EpDEm 1991.42
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 1.0
Q pmDE 1.3 BTmag 8.109 E BTmag 0.015 VTmag 8.203
E VTmag 0.012 Prox 143 TYC T HIP 101370
CCDM A RAdeg 308.18128639 DEdeg 39.27105250 EpRA 1990 1.61
EpDE 1990 1.74 E RAdeg 4.8 E DEdeg 4.8 Posflg
Corr 0.1
SAO
SAO 70175 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.005 Vmag 8.2 SpType B9
Double code Source 5 CatNum 2162 DM BD+38 4138
DMcomp BDsup HD 195918 M HD 0
GC RA1950rad 5.37071563 DE1950rad 0.68242073 PmRA2000 -0.0007
PmDE2000 -0.007
Hipparcos
Catalog H HIP 101370 Proxy RAhms 20 32 43.51
DEdms +39 16 15.8 Vmag 8.22 VarFlag R Vmag H
RAdeg 308.181 DEdeg 39.271 AstroRef A Plx 3.23
CCDM 20327+3916 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 50 Rho 14.251 HD 195918 BD BD+38 4138
CD CP Dm number +38 4138 VIred -0.07
SpType B9 R SpType Coord arcsec 2000 203243.51+391615.8
Hipparcos 2
HIP 101370 Sn 15 So 3 Nc 2
RArad 5.3787781812 DErad 0.6854091287 Plx 1.97 PmRA 1.59
PmDE 2.03 E RArad 0.61 E DErad 0.76 E Plx 0.95
E pmRA 0.65 E pmDE 0.93 Hpmag 8.1943 E Hpmag 0.0062
SHp 0.028 VA 0 BV -0.081 E BV 0.01
VI -0.06
CCDM
Ccdm 20327+3916 RComp Comp A Note1
Note2 Discov num DRAs 1.53 DDEs 16.3
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.2 Sp B9 PmNote *
PmRA 3 PmDE 9 Dm number +38 4138 Cat1 BD
Name2 +39 2162 Cat2 AGK2/3 HD 195918 M HD
ADS BDS M ADS BDS N IDS IDS 20290N3856A
HIC 101370
 
 
20327+3916 B
 
 
Coord arcsec 2000 203244.21+391624.9 Mag 10.38 PmRA 1.00 PmDE 13.0
Calc delta mag 2.18 Calc coord yes
CCDM
Ccdm 20327+3916 RComp Comp B Note1
Note2 Discov num SEI1160 DRAs DDEs
R dRAs Year 1896 Theta 053 Rho 13.3
Obs 3 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20290N3856B
HIC
 
 
20327+3916 C
 
 
Coord arcsec 2000 203244.26+391558.1 Mag 10.2 Calc delta mag 2 Calc coord yes
CCDM
Ccdm 20327+3916 RComp Comp C Note1
Note2 Discov num DRAs DDEs
R dRAs Year Theta Rho
Obs Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20290N3856A
HIC 101370