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Doubles in session


Current system
20204+3840
SEI 1088 AB


Nearby doubles
2' : 20202+3840
SLE1006AB

3' : 20202+3838
ES 2052

14' : 20194+3831
SLE1001

14' : 20198+3852
SLE1004

17' : 20216+3836
SEI1102

17' : 20189+3839
SLE 996

20' : 20219+3835
TDT2208

21' : 20221+3839
BKO 830

21' : 20196+3820
A 1426

23' : 20192+3822
ES 2504

23' : 20192+3859
HO 126AB

24' : 20223+3837
BKO 832

26' : 20214+3900
GRV 334

26' : 20221+3855
SEI1104

27' : 20190+3900
HO 125

28' : 20216+3902
SEI1101

29' : 20183+3825
ES 2049

29' : 20179+3845
SLE 990

29' : 20189+3817
A 1425AB

30' : 20183+3822
SLE 992

31' : 20183+3820
CRB 10

31' : 20177+3836
SEI1069

33' : 20229+3829
MLB 773AB

33' : 20176+3835
ALI 927

34' : 20196+3808
SEI1084AB

34' : 20206+3806
SLE1009



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20204+3840 SEI 1088 AB

 
 
20h 20m 18.47s +38° 39' 29.5" P.A. 238.00 sep 4.3 mag 10.30,11.60
 
 
Coord 2000 20204+3840 Discov num SEI1088 Comp AB Coord arcsec 2000 20 20 18.47 +38 39 29.5
Date first 1896 Date last 2015 Obs 8
Pa first 241 Pa last 238 P.A. Now (θ) 238°
Sep first 4.2 Sep last 4.317 Sep. Now (ρ) 4.317"
Mag pri 10.30 Mag sec 11.60 delta mag (ΔM) 1.3 Spectral class
Pri motion ra +036 Sec motion ra
Pri motion dec +019 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
20204+3840 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 20 18 +38 39 30 SEI 1088 AB 2015 8 238 4.3 10.30 11.60 1.30 <===
Show 20 20 18 +38 39 30 SEI 1089 AC 2015 11 17 28.2 10.30 10.47 0.17
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2061287880623328384
 
 
WDS 20204+3840 SEI 1088 AB : 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
20204+3840 SEI1088 AB 1994 4 235 3.7 10.56 11.60 202019.18+383956.4
20204+3840 SEI1088 AB 2013 5 238 4.4 10.56 11.60 202019.18+383956.4
20204+3840 SEI1088 AB 2015 8 238 4.3 10.30 11.60 R 202018.47+383929.5

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

 
 
WDS 20204+3840 SEI 1088 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20204+3840 SEI 1088 AB : MEASURES
 
 
No records found.

 
 
WDS 20204+3840 : VIRTUAL EYEPIECE
 
 

20204+3840 SEI1088A mag 10.3 20204+3840 SEI1088B sep 3.7 P.A. 231.30 mag 11.6 20204+3840 SEI1089C sep 27.8 P.A. 13.30 mag 10.47 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 20204+3840 : ALADIN DSS IMAGE @ 20h 20m 18.47s +38° 39' 29.5"
 
 
 
 
WDS 20204+3840 SEI 1088 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20204+3840 SEI1088AB distance=0' 20202+3840 SLE1006AB distance=2' 20202+3840 SLE1006AC distance=2' 20202+3838 ES 2052 distance=3' 20194+3831 SLE1001 distance=14' 20198+3852 SLE1004 distance=14' 20216+3836 SEI1102 distance=17' 20189+3839 SLE 996 distance=17' 20219+3835 TDT2208 distance=20' 20221+3839 BKO 830 distance=21' 20196+3820 A 1426 distance=21' 20192+3822 ES 2504 distance=23' 20192+3859 HO 126AB distance=23' 20192+3859 HO 126AC distance=23' 20223+3837 BKO 832 distance=24' 20214+3900 GRV 334 distance=26' 20221+3855 SEI1104 distance=26' 20190+3900 HO 125 distance=27' 20216+3902 SEI1101 distance=28' 20183+3825 ES 2049 distance=29' 20179+3845 SLE 990 distance=29' 20189+3817 A 1425AB distance=29' 20189+3817 A 1425AB,C distance=29' 20183+3822 SLE 992 distance=30' 20183+3820 CRB 10 distance=31' 20177+3836 SEI1069 distance=31' 20229+3829 BKO 833BC distance=33' 20229+3829 MLB 773AB distance=33' 20176+3835 ALI 927 distance=33' 20196+3808 SEI1084AB distance=34' 20196+3808 TOB 185AC distance=34' 20206+3806 SLE1009 distance=34' 20229+3856 SEI1106 distance=35' 20188+3909 SEI1079 distance=35' 20198+3806 BKO 826 distance=35' 20173+3837 TDT2141 distance=35' 20216+3807 SLE1013 distance=36' 20173+3834 MLB 951 distance=36' 20206+3917 BKO 567AB distance=38' 20206+3917 BKO 567AC distance=38' 20210+3919 SEI1097AB distance=40' 20203+3919 BKO 566 distance=40' 20191+3916 TRN 28AB distance=40' 20191+3916 TRN 28AC distance=40' 20210+3919 TOB 186BC distance=40' 20208+3919 TDT2196 distance=40' 20206+3919 TDS1061 distance=40' 20236+3852 TDT2233 distance=40' 20236+3854 TDT2232AB distance=41' 20236+3854 GII 51AC distance=41' 20236+3854 GII 51Aa,Ab distance=41' 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 20204+3840 SEI1088 AB 238 4.3
Show 20204+3840 SEI1089 AC 17 28.2
Show 20202+3840 SLE1006 AB 156 16.0 2
Show 20202+3840 SLE1006 AC 90 18.7 2
Show 20202+3838 ES 2052 144 2.5 3
Show 20194+3831 SLE1001 216 16.1 14
Show 20198+3852 SLE1004 166 11.2 14
Show 20216+3836 SEI1102 337 18.9 17
Show 20189+3839 SLE 996 106 6.6 17
Show 20219+3835 TDT2208 268 0.5 20
Show 20221+3839 BKO 830 91 8.5 21
Show 20196+3820 A 1426 259 3.7 21
Show 20192+3822 ES 2504 110 7.7 23
Show 20192+3859 HO 126 AB 163 2.2 23
Show 20192+3859 HO 126 AC 247 37.0 23
Show 20223+3837 BKO 832 334 5.1 24
Show 20214+3900 GRV 334 275 31.1 26
Show 20221+3855 SEI1104 195 18.2 26
Show 20190+3900 HO 125 196 3.5 27
Show 20216+3902 SEI1101 11 11.6 28
Show 20183+3825 ES 2049 267 3.2 29
Show 20179+3845 SLE 990 274 8.9 29
Show 20189+3817 A 1425 AB 266 0.2 29
Show 20189+3817 A 1425 AB,C 310 9.1 29
Show 20183+3822 SLE 992 282 10.3 30
Show 20183+3820 CRB 10 39 5.0 31
Show 20177+3836 SEI1069 247 14.6 31
Show 20229+3829 BKO 833 BC 152 2.5 33
Show 20229+3829 MLB 773 AB 294 10.0 33
Show 20176+3835 ALI 927 67 5.7 33
Show 20196+3808 SEI1084 AB 247 26.3 34
Show 20196+3808 TOB 185 AC 259 13.6 34
Show 20206+3806 SLE1009 344 15.6 34
Show 20229+3856 SEI1106 109 3.8 35
Show 20188+3909 SEI1079 110 6.2 35
Show 20198+3806 BKO 826 87 4.9 35
Show 20173+3837 TDT2141 96 1.3 35
Show 20216+3807 SLE1013 351 15.1 36
Show 20173+3834 MLB 951 321 4.9 36
Show 20206+3917 BKO 567 AB 284 5.6 38
Show 20206+3917 BKO 567 AC 87 5.2 38
Show 20210+3919 SEI1097 AB 44 27.2 40
Show 20203+3919 BKO 566 159 5.9 40
Show 20191+3916 TRN 28 AB 80 4.9 40
Show 20191+3916 TRN 28 AC 158 3.2 40
Show 20210+3919 TOB 186 BC 51 16.2 40
Show 20208+3919 TDT2196 192 0.4 40
Show 20206+3919 TDS1061 345 1.5 40
Show 20236+3852 TDT2233 151 2.4 40
Show 20236+3854 TDT2232 AB 211 1.5 41
Show 20236+3854 GII 51 AC 356 3.2 41

 
 
WDS 20204+3840 : COMPONENTS
 
 
  A B
B pa=231.3°
sep=3.66"
 
C pa=13.3°
sep=27.76"
pa=17.6°
sep=30.73"
 
 
20204+3840 A
 
 
Coord arcsec 2000 202018.47+383929.5 Mag 10.3 PmRA 36.00 PmDE 19.0
 
 
20204+3840 B
 
 
Coord arcsec 2000 202018.23+383927.2 Mag 11.6 Calc delta mag 1.3 Calc coord yes
 
 
20204+3840 C
 
 
Coord arcsec 2000 202019.02+383956.5 Mag 10.47 PmRA -7.00 PmDE 3.0
Tycho2 3152-01617-1 Calc delta mag 0.17 Calc coord yes
Tycho2
Tycho2 3152-01617-1 Pflag RAmdeg 305.07698285 DEmdeg 38.65819822
PmRA -1.9 PmDE -4.6 E RAmdeg 36 E DEmdeg 37
E pmRA 1.5 E pmDE 1.5 EpRAm 1984.27 EpDEm 1984.04
Num 5 Q RAmdeg 1.6 Q DEmdeg 0.7 Q pmRA 1.5
Q pmDE 0.7 BTmag 11.224 E BTmag 0.063 VTmag 10.643
E VTmag 0.055 Prox 281 TYC T HIP
CCDM RAdeg 305.07698750 DEdeg 38.65820944 EpRA 1990 1.62
EpDE 1990 1.54 E RAdeg 38.3 E DEdeg 39.4 Posflg
Corr 0.2