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Current system
20344+3725
SEI 1171


Nearby doubles
9' : 20351+3725
SEI1179

13' : 20340+3737
SEI1170

19' : 20359+3729
SEI1186

22' : 20328+3736
TDT2355

25' : 20327+3711
SEI1158AB

25' : 20362+3737
SEI1188AB

25' : 20323+3726
SEI1156

27' : 20357+3747
TOB 190

28' : 20355+3749
SEI1184

31' : 20352+3755
SEI1182

32' : 20352+3754
SEI1180AB

33' : 20350+3757
SEI1178AB

34' : 20345+3759
BKO 569

37' : 20374+3721
TOB 192

42' : 20379+3725
SEI1196

42' : 20364+3652
ES 247

45' : 20369+3652
SEI1192

46' : 20380+3741
TOB 193AB

47' : 20354+3810
RAO 439

49' : 20313+3654
TOB 188

49' : 20382+3742
SEI1201

50' : 20308+3749
SEI1146AB

50' : 20310+3656
AC 18AB

51' : 20311+3652
SEI1148

52' : 20362+3812
ES 2511

52' : 20368+3642
TDT2420



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

20344+3725 SEI 1171

 
 
20h 34m 23.58s +37° 24' 59.1" P.A. 201.00 sep 17.4 mag 10.85,12.19
 
 
Coord 2000 20344+3725 Discov num SEI1171 Comp Coord arcsec 2000 20 34 23.58 +37 24 59.1
Date first 1895 Date last 2015 Obs 15
Pa first 202 Pa last 200.6 P.A. Now (θ) 200.6°
Sep first 17.7 Sep last 17.388 Sep. Now (ρ) 17.388"
Mag pri 10.85 Mag sec 12.19 delta mag (ΔM) 1.34 Spectral class
Pri motion ra -003 Sec motion ra -003
Pri motion dec -007 Sec motion dec -004
Notes
rPM=0.394
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2698-00193-1 Gaia DR2 2063041949565158912
 
 
WDS 20344+3725 SEI 1171 : 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
20344+3725 SEI1171 1998 8 201 17.5 10.85 12.19 D 203423.58+372459.1
20344+3725 SEI1171 2002 9 201 17.4 10.85 12.19 D 203423.58+372459.1
20344+3725 SEI1171 2010 10 201 17.2 10.85 12.19 203423.58+372459.1
20344+3725 SEI1171 2015 11 201 17.4 10.85 12.19 203423.58+372459.1

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

 
 
WDS 20344+3725 SEI 1171 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20344+3725 SEI 1171 : MEASURES
 
 
No records found.

 
 
WDS 20344+3725 : VIRTUAL EYEPIECE
 
 

20344+3725 SEI1171A mag 10.85 20344+3725 SEI1171B sep 17.0 P.A. 196.60 mag 12.19 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 20344+3725 : ALADIN DSS IMAGE @ 20h 34m 23.58s +37° 24' 59.1"
 
 
 
 
WDS 20344+3725 SEI 1171 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20344+3725 SEI1171 distance=0' 20351+3725 SEI1179 distance=9' 20340+3737 SEI1170 distance=13' 20359+3729 SEI1186 distance=19' 20328+3736 TDT2355 distance=22' 20327+3711 SEI1158AB distance=25' 20327+3711 TDT2352Aa,Ab distance=25' 20362+3737 SEI1188AB distance=25' 20323+3726 SEI1156 distance=25' 20362+3737 SEI1187BC distance=26' 20362+3737 TOB 191BD distance=26' 20357+3747 TOB 190 distance=27' 20355+3749 SEI1184 distance=28' 20352+3755 SEI1182 distance=31' 20352+3754 SEI1180BC distance=32' 20352+3754 SEI1180AB distance=32' 20352+3754 SEI1181AC distance=32' 20350+3757 SEI1178AB distance=33' 20350+3757 BKO 570AC distance=33' 20345+3759 BKO 569 distance=34' 20374+3721 TOB 192 distance=37' 20379+3725 SEI1196 distance=42' 20364+3652 ES 247 distance=42' 20369+3652 SEI1192 distance=45' 20380+3741 TOB 193AB distance=46' 20380+3741 TOB 193AC distance=46' 20354+3810 RAO 439 distance=47' 20313+3654 TOB 188 distance=49' 20382+3742 SEI1201 distance=49' 20308+3749 SEI1146AB distance=50' 20308+3749 SEI1147AC distance=50' 20310+3656 AC 18AB distance=50' 20310+3656 KUI 98AC distance=50' 20310+3656 AC 18AD distance=50' 20311+3652 SEI1148 distance=51' 20362+3812 ES 2511 distance=52' 20368+3642 TDT2420 distance=52' 20358+3635 ES 2510 distance=53' 20315+3806 SEI1151 distance=54' 20304+3753 TDT2328 distance=56' 20391+3717 SEI1207 distance=57' 20297+3733 ES 2509 distance=58' 20380+3806 SEI1197 distance=59' 20331+3822 TDT2363 distance=60' 20390+3702 COU2219 distance=60' 20293+3731 WEI 35CD distance=61' 20293+3731 WEI 35AB distance=62' 20293+3731 WEI 35AC distance=62' 20293+3731 WEI 35BC distance=62' 20396+3710 ES 2194 distance=65' 20366+3825 HJ 1548 distance=65' 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 20344+3725 SEI1171 201 17.4
Show 20351+3725 SEI1179 69 27.3 9
Show 20340+3737 SEI1170 28 17.3 13
Show 20359+3729 SEI1186 189 12.3 19
Show 20328+3736 TDT2355 57 2.3 22
Show 20327+3711 SEI1158 AB 109 20.9 25
Show 20327+3711 TDT2352 Aa,Ab 160 0.4 25
Show 20362+3737 SEI1188 AB 77 15.4 25
Show 20323+3726 SEI1156 89 5.9 25
Show 20362+3737 SEI1187 BC 273 22.7 26
Show 20362+3737 TOB 191 BD 134 37.6 26
Show 20357+3747 TOB 190 68 17.8 27
Show 20355+3749 SEI1184 36 27.0 28
Show 20352+3755 SEI1182 115 8.9 31
Show 20352+3754 SEI1180 BC 33 17.9 32
Show 20352+3754 SEI1180 AB 138 28.4 32
Show 20352+3754 SEI1181 AC 102 29.4 32
Show 20350+3757 SEI1178 AB 174 19.1 33
Show 20350+3757 BKO 570 AC 12 6.2 33
Show 20345+3759 BKO 569 73 8.5 34
Show 20374+3721 TOB 192 106 32.0 37
Show 20379+3725 SEI1196 336 17.7 42
Show 20364+3652 ES 247 147 5.4 42
Show 20369+3652 SEI1192 281 30.5 45
Show 20380+3741 TOB 193 AB 231 28.1 46
Show 20380+3741 TOB 193 AC 267 31.4 46
Show 20354+3810 RAO 439 235 0.7 47
Show 20313+3654 TOB 188 262 17.0 49
Show 20382+3742 SEI1201 350 22.8 49
Show 20308+3749 SEI1146 AB 42 10.2 50
Show 20308+3749 SEI1147 AC 286 14.5 50
Show 20310+3656 AC 18 AB 158 2.2 50
Show 20310+3656 KUI 98 AC 76 16.8 50
Show 20310+3656 AC 18 AD 165 63.1 50
Show 20311+3652 SEI1148 281 24.5 51
Show 20362+3812 ES 2511 251 7.2 52
Show 20368+3642 TDT2420 356 0.5 52
Show 20358+3635 ES 2510 317 6.8 53
Show 20315+3806 SEI1151 215 25.1 54
Show 20304+3753 TDT2328 45 0.5 56
Show 20391+3717 SEI1207 121 27.0 57
Show 20297+3733 ES 2509 241 3.3 58
Show 20380+3806 SEI1197 173 14.3 59
Show 20331+3822 TDT2363 174 0.5 60
Show 20390+3702 COU2219 43 0.9 60
Show 20293+3731 WEI 35 CD 202 12.1 61
Show 20293+3731 WEI 35 AB 214 4.2 62
Show 20293+3731 WEI 35 AC 100 87.6 62
Show 20293+3731 WEI 35 BC 98 89.3 62
Show 20396+3710 ES 2194 289 7.2 65
Show 20366+3825 HJ 1548 249 14.0 65

 
 
WDS 20344+3725 : COMPONENTS
 
 
  A
B pa=196.6°
sep=16.99"
 
 
20344+3725 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203423.58+372459.1 Mag 10.85 PmRA -3.00
PmDE -7.0 Tycho2 2698-00193-1
Tycho2
Tycho2 2698-00193-1 Pflag RAmdeg 308.59824000 DEmdeg 37.41641023
PmRA -3.5 PmDE -8.4 E RAmdeg 28 E DEmdeg 29
E pmRA 1.5 E pmDE 1.5 EpRAm 1984.48 EpDEm 1983.71
Num 8 Q RAmdeg 1.1 Q DEmdeg 2.4 Q pmRA 1.1
Q pmDE 2.4 BTmag 12.139 E BTmag 0.110 VTmag 10.855
E VTmag 0.051 Prox 174 TYC T HIP
CCDM RAdeg 308.59824444 DEdeg 37.41643111 EpRA 1990 1.67
EpDE 1990 1.77 E RAdeg 38.3 E DEdeg 40.0 Posflg
Corr 0.1
CCDM
Ccdm 20344+3725 RComp Comp A Note1
Note2 Discov num DRAs -0.40 DDEs -1.2
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number +36 4135 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20306N3704A
HIC
 
 
20344+3725 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203423.17+372442.8 Mag 12.19 PmRA -3.00
PmDE -4.0 Tycho2 2698-00184-1 Calc delta mag 1.34 Calc coord yes
Tycho2
Tycho2 2698-00184-1 Pflag RAmdeg 308.59612778 DEmdeg 37.41188008
PmRA -1.5 PmDE -4.5 E RAmdeg 64 E DEmdeg 65
E pmRA 1.8 E pmDE 1.7 EpRAm 1972.06 EpDEm 1968.66
Num 7 Q RAmdeg 0.8 Q DEmdeg 1.3 Q pmRA 0.8
Q pmDE 1.4 BTmag 12.608 E BTmag 0.172 VTmag 12.192
E VTmag 0.159 Prox 174 TYC HIP
CCDM RAdeg 308.59613306 DEdeg 37.41188833 EpRA 1990 1.65
EpDE 1990 1.75 E RAdeg 74.1 E DEdeg 76.6 Posflg
Corr 0.1
CCDM
Ccdm 20344+3725 RComp Comp B Note1
Note2 Discov num SEI1171 DRAs -0.92 DDEs -17.4
R dRAs 65 Year 1895 Theta 202 Rho 18.0
Obs 2 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20306N3704B
HIC