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Current system
20216+3902
SEI 1101


Nearby doubles
2' : 20214+3900
GRV 334

10' : 20221+3855
SEI1104

17' : 20229+3856
SEI1106

17' : 20210+3919
SEI1097AB

19' : 20206+3917
BKO 567AB

19' : 20208+3919
TDT2196

20' : 20230+3913
STTA206AB

21' : 20206+3919
TDS1061

22' : 20208+3922
BKO 568

22' : 20207+3922
SEI1094

23' : 20203+3919
BKO 566

24' : 20203+3920
SEI1090

24' : 20198+3852
SLE1004

25' : 20221+3839
BKO 830

25' : 20236+3854
TDT2232AB

26' : 20203+3922
SEI1091

26' : 20201+3921
ES 2050AB

26' : 20236+3852
TDT2233

26' : 20200+3921
MLB 882

27' : 20216+3836
SEI1102

27' : 20203+3924
A 1427AB

27' : 20192+3859
HO 126AB

27' : 20223+3837
BKO 832

28' : 20204+3840
SEI1088AB

28' : 20219+3835
TDT2208

28' : 20209+3928
HO 127



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

20216+3902 SEI 1101

 
 
20h 21m 34.14s +39° 02' 13.6" P.A. 11.00 sep 11.6 mag 11.67,12.90
 
 
Coord 2000 20216+3902 Discov num SEI1101 Comp Coord arcsec 2000 20 21 34.14 +39 02 13.6
Date first 1895 Date last 2015 Obs 9
Pa first 12 Pa last 11.1 P.A. Now (θ) 11.1°
Sep first 10.9 Sep last 11.638 Sep. Now (ρ) 11.638"
Mag pri 11.67 Mag sec 12.90 delta mag (ΔM) 1.23 Spectral class
Pri motion ra -010 Sec motion ra -003
Pri motion dec -010 Sec motion dec -005
Notes
rPM=0.608
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3152-00249-1 Gaia DR2 2061394125234338176
 
 
WDS 20216+3902 SEI 1101 : 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
20216+3902 SEI1101 1998 3 11 11.6 11.67 12.90 D 202134.14+390213.6
20216+3902 SEI1101 2002 4 11 11.6 11.67 12.90 D 202134.14+390213.6
20216+3902 SEI1101 2010 5 12 11.3 11.67 12.90 202134.14+390213.6
20216+3902 SEI1101 2015 5 11 11.6 11.67 12.90 202134.14+390213.6

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

 
 
WDS 20216+3902 SEI 1101 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20216+3902 SEI 1101 : MEASURES
 
 
No records found.

 
 
WDS 20216+3902 : VIRTUAL EYEPIECE
 
 

20216+3902 SEI1101A mag 11.67 20216+3902 SEI1101B sep 11.6 P.A. 8.70 mag 12.9 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 20216+3902 : ALADIN DSS IMAGE @ 20h 21m 34.14s +39° 02' 13.6"
 
 
 
 
WDS 20216+3902 SEI 1101 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20216+3902 SEI1101 distance=1' 20214+3900 GRV 334 distance=2' 20221+3855 SEI1104 distance=10' 20229+3856 SEI1106 distance=17' 20210+3919 SEI1097AB distance=17' 20210+3919 TOB 186BC distance=17' 20206+3917 BKO 567AB distance=19' 20206+3917 BKO 567AC distance=19' 20208+3919 TDT2196 distance=19' 20230+3913 SEI1107BC distance=19' 20230+3913 STTA206AB distance=20' 20230+3913 STTA206AD distance=20' 20206+3919 TDS1061 distance=21' 20208+3922 BKO 568 distance=22' 20207+3922 SEI1094 distance=22' 20203+3919 BKO 566 distance=23' 20203+3920 SEI1090 distance=24' 20198+3852 SLE1004 distance=24' 20221+3839 BKO 830 distance=25' 20236+3854 TDT2232AB distance=25' 20236+3854 GII 51AC distance=25' 20236+3854 GII 51Aa,Ab distance=25' 20203+3922 SEI1091 distance=26' 20201+3921 ES 2050AB distance=26' 20201+3921 ES 2050AC distance=26' 20236+3852 TDT2233 distance=26' 20200+3921 MLB 882 distance=26' 20216+3836 SEI1102 distance=27' 20203+3924 A 1427AB distance=27' 20203+3924 STF2668AB,C distance=27' 20192+3859 HO 126AB distance=27' 20192+3859 HO 126AC distance=27' 20223+3837 BKO 832 distance=27' 20204+3840 SEI1088AB distance=28' 20204+3840 SEI1089AC distance=28' 20219+3835 TDT2208 distance=28' 20209+3928 HO 127 distance=28' 20235+3918 SEI1111 distance=28' 20202+3840 SLE1006AB distance=29' 20202+3840 SLE1006AC distance=29' 20240+3906 FGS 32 distance=29' 20239+3912 J 129 distance=29' 20202+3838 ES 2052 distance=30' 20190+3900 HO 125 distance=31' 20241+3912 SEI1115 distance=31' 20191+3916 TRN 28AB distance=32' 20191+3916 TRN 28AC distance=32' 20188+3909 SEI1079 distance=34' 20199+3933 HO 593 distance=37' 20229+3829 BKO 833BC distance=37' 20229+3829 MLB 773AB distance=37' 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 20216+3902 SEI1101 11 11.6 1
Show 20214+3900 GRV 334 275 31.1 2
Show 20221+3855 SEI1104 195 18.2 10
Show 20229+3856 SEI1106 109 3.8 17
Show 20210+3919 SEI1097 AB 44 27.2 17
Show 20210+3919 TOB 186 BC 51 16.2 17
Show 20206+3917 BKO 567 AB 284 5.6 19
Show 20206+3917 BKO 567 AC 87 5.2 19
Show 20208+3919 TDT2196 192 0.4 19
Show 20230+3913 SEI1107 BC 69 19.3 19
Show 20230+3913 STTA206 AB 254 43.7 20
Show 20230+3913 STTA206 AD 259 24.5 20
Show 20206+3919 TDS1061 345 1.5 21
Show 20208+3922 BKO 568 249 8.1 22
Show 20207+3922 SEI1094 316 27.1 22
Show 20203+3919 BKO 566 159 5.9 23
Show 20203+3920 SEI1090 154 13.9 24
Show 20198+3852 SLE1004 166 11.2 24
Show 20221+3839 BKO 830 91 8.5 25
Show 20236+3854 TDT2232 AB 211 1.5 25
Show 20236+3854 GII 51 AC 356 3.2 25
Show 20236+3854 GII 51 Aa,Ab 115 0.1 25
Show 20203+3922 SEI1091 180 27.7 26
Show 20201+3921 ES 2050 AB 92 5.9 26
Show 20201+3921 ES 2050 AC 191 11.2 26
Show 20236+3852 TDT2233 151 2.4 26
Show 20200+3921 MLB 882 279 5.0 26
Show 20216+3836 SEI1102 337 18.9 27
Show 20203+3924 A 1427 AB 132 0.2 27
Show 20203+3924 STF2668 AB,C 280 3.5 27
Show 20192+3859 HO 126 AB 163 2.2 27
Show 20192+3859 HO 126 AC 247 37.0 27
Show 20223+3837 BKO 832 334 5.1 27
Show 20204+3840 SEI1088 AB 238 4.3 28
Show 20204+3840 SEI1089 AC 17 28.2 28
Show 20219+3835 TDT2208 268 0.5 28
Show 20209+3928 HO 127 94 1.9 28
Show 20235+3918 SEI1111 10 25.3 28
Show 20202+3840 SLE1006 AB 156 16.0 29
Show 20202+3840 SLE1006 AC 90 18.7 29
Show 20240+3906 FGS 32 -1 -1.0 29
Show 20239+3912 J 129 35 3.3 29
Show 20202+3838 ES 2052 144 2.5 30
Show 20190+3900 HO 125 196 3.5 31
Show 20241+3912 SEI1115 181 23.6 31
Show 20191+3916 TRN 28 AB 80 4.9 32
Show 20191+3916 TRN 28 AC 158 3.2 32
Show 20188+3909 SEI1079 110 6.2 34
Show 20199+3933 HO 593 313 5.0 37
Show 20229+3829 BKO 833 BC 152 2.5 37
Show 20229+3829 MLB 773 AB 294 10.0 37

 
 
WDS 20216+3902 : COMPONENTS
 
 
  A
B pa=8.7°
sep=11.55"
 
 
20216+3902 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202134.14+390213.6 Mag 11.67 PmRA -10.00
PmDE -10.0 Tycho2 3152-00249-1
Tycho2
Tycho2 3152-00249-1 Pflag RAmdeg 305.39224640 DEmdeg 39.03711696
PmRA -4.4 PmDE -7.6 E RAmdeg 103 E DEmdeg 92
E pmRA 2.4 E pmDE 2.2 EpRAm 1951.68 EpDEm 1956.72
Num 5 Q RAmdeg 0.8 Q DEmdeg 1.5 Q pmRA 0.8
Q pmDE 1.5 BTmag 12.125 E BTmag 0.154 VTmag 11.668
E VTmag 0.147 Prox 865 TYC HIP
CCDM RAdeg 305.39225917 DEdeg 39.03712722 EpRA 1990 1.50
EpDE 1990 1.73 E RAdeg 144.2 E DEdeg 121.7 Posflg
Corr 0.1
 
 
20216+3902 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202134.29+390225.0 Mag 12.9 PmRA -3.00
PmDE -5.0 Calc delta mag 1.23 Calc coord yes