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Doubles in session


Current system
20340+3737
SEI 1170


Nearby doubles
13' : 20344+3725
SEI1171

14' : 20328+3736
TDT2355

19' : 20351+3725
SEI1179

22' : 20355+3749
SEI1184

23' : 20352+3755
SEI1182

23' : 20352+3754
SEI1180AB

23' : 20357+3747
TOB 190

23' : 20323+3726
SEI1156

23' : 20345+3759
BKO 569

24' : 20350+3757
SEI1178AB

25' : 20359+3729
SEI1186

27' : 20362+3737
SEI1188AB

31' : 20327+3711
SEI1158AB

38' : 20354+3810
RAO 439

41' : 20308+3749
SEI1146AB

42' : 20315+3806
SEI1151

44' : 20362+3812
ES 2511

45' : 20374+3721
TOB 192

46' : 20304+3753
TDT2328

47' : 20331+3822
TDT2363

48' : 20380+3741
TOB 193AB

49' : 20379+3725
SEI1196

51' : 20382+3742
SEI1201

53' : 20297+3733
ES 2509

54' : 20313+3654
TOB 188

55' : 20310+3656
AC 18AB



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

20340+3737 SEI 1170

 
 
20h 33m 59.02s +37° 36' 51.5" P.A. 28.00 sep 17.3 mag 12.36,13.40
 
 
Coord 2000 20340+3737 Discov num SEI1170 Comp Coord arcsec 2000 20 33 59.02 +37 36 51.5
Date first 1895 Date last 2015 Obs 12
Pa first 29 Pa last 28.3 P.A. Now (θ) 28.3°
Sep first 16.9 Sep last 17.331 Sep. Now (ρ) 17.331"
Mag pri 12.36 Mag sec 13.40 delta mag (ΔM) 1.04 Spectral class
Pri motion ra -004 Sec motion ra -004
Pri motion dec -005 Sec motion dec +001
Notes
rPM=0.937
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3153-00340-1 Gaia DR2 2063060259001361280
 
 
WDS 20340+3737 SEI 1170 : 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
20340+3737 SEI1170 2006 4 28 17.3 12.36 13.40 D 203359.02+373651.5
20340+3737 SEI1170 2009 5 29 17.5 12.36 13.40 D 203359.02+373651.5
20340+3737 SEI1170 2010 7 27 17.3 12.36 13.40 203359.02+373651.5
20340+3737 SEI1170 2015 8 28 17.3 12.36 13.40 203359.02+373651.5

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

 
 
WDS 20340+3737 SEI 1170 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20340+3737 SEI 1170 : MEASURES
 
 
No records found.

 
 
WDS 20340+3737 : VIRTUAL EYEPIECE
 
 

20340+3737 SEI1170A mag 12.36 20340+3737 SEI1170B sep 16.6 P.A. 23.10 mag 13.4 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 20340+3737 : ALADIN DSS IMAGE @ 20h 33m 59.02s +37° 36' 51.5"
 
 
 
 
WDS 20340+3737 SEI 1170 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20340+3737 SEI1170 distance=0' 20344+3725 SEI1171 distance=13' 20328+3736 TDT2355 distance=14' 20351+3725 SEI1179 distance=19' 20355+3749 SEI1184 distance=22' 20352+3755 SEI1182 distance=23' 20352+3754 SEI1180BC distance=23' 20352+3754 SEI1180AB distance=23' 20352+3754 SEI1181AC distance=23' 20357+3747 TOB 190 distance=23' 20323+3726 SEI1156 distance=23' 20345+3759 BKO 569 distance=23' 20350+3757 SEI1178AB distance=24' 20350+3757 BKO 570AC distance=24' 20359+3729 SEI1186 distance=25' 20362+3737 SEI1188AB distance=27' 20362+3737 SEI1187BC distance=27' 20362+3737 TOB 191BD distance=27' 20327+3711 SEI1158AB distance=31' 20327+3711 TDT2352Aa,Ab distance=31' 20354+3810 RAO 439 distance=38' 20308+3749 SEI1146AB distance=41' 20308+3749 SEI1147AC distance=41' 20315+3806 SEI1151 distance=42' 20362+3812 ES 2511 distance=44' 20374+3721 TOB 192 distance=45' 20304+3753 TDT2328 distance=46' 20331+3822 TDT2363 distance=47' 20380+3741 TOB 193AB distance=48' 20380+3741 TOB 193AC distance=48' 20379+3725 SEI1196 distance=49' 20382+3742 SEI1201 distance=51' 20297+3733 ES 2509 distance=53' 20313+3654 TOB 188 distance=54' 20310+3656 AC 18AB distance=55' 20310+3656 KUI 98AC distance=55' 20310+3656 AC 18AD distance=55' 20364+3652 ES 247 distance=55' 20380+3806 SEI1197 distance=55' 20293+3731 WEI 35CD distance=56' 20311+3652 SEI1148 distance=57' 20366+3825 HJ 1548 distance=57' 20293+3731 WEI 35AB distance=57' 20293+3731 WEI 35AC distance=57' 20293+3731 WEI 35BC distance=57' 20369+3652 SEI1192 distance=58' 20337+3835 A 1431 distance=59' 20297+3808 STF2691 distance=60' 20373+3822 SEI1194 distance=60' 20317+3831 ES 246AB distance=61' 20317+3831 ES 246AC distance=61' 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 20340+3737 SEI1170 28 17.3
Show 20344+3725 SEI1171 201 17.4 13
Show 20328+3736 TDT2355 57 2.3 14
Show 20351+3725 SEI1179 69 27.3 19
Show 20355+3749 SEI1184 36 27.0 22
Show 20352+3755 SEI1182 115 8.9 23
Show 20352+3754 SEI1180 BC 33 17.9 23
Show 20352+3754 SEI1180 AB 138 28.4 23
Show 20352+3754 SEI1181 AC 102 29.4 23
Show 20357+3747 TOB 190 68 17.8 23
Show 20323+3726 SEI1156 89 5.9 23
Show 20345+3759 BKO 569 73 8.5 23
Show 20350+3757 SEI1178 AB 174 19.1 24
Show 20350+3757 BKO 570 AC 12 6.2 24
Show 20359+3729 SEI1186 189 12.3 25
Show 20362+3737 SEI1188 AB 77 15.4 27
Show 20362+3737 SEI1187 BC 273 22.7 27
Show 20362+3737 TOB 191 BD 134 37.6 27
Show 20327+3711 SEI1158 AB 109 20.9 31
Show 20327+3711 TDT2352 Aa,Ab 160 0.4 31
Show 20354+3810 RAO 439 235 0.7 38
Show 20308+3749 SEI1146 AB 42 10.2 41
Show 20308+3749 SEI1147 AC 286 14.5 41
Show 20315+3806 SEI1151 215 25.1 42
Show 20362+3812 ES 2511 251 7.2 44
Show 20374+3721 TOB 192 106 32.0 45
Show 20304+3753 TDT2328 45 0.5 46
Show 20331+3822 TDT2363 174 0.5 47
Show 20380+3741 TOB 193 AB 231 28.1 48
Show 20380+3741 TOB 193 AC 267 31.4 48
Show 20379+3725 SEI1196 336 17.7 49
Show 20382+3742 SEI1201 350 22.8 51
Show 20297+3733 ES 2509 241 3.3 53
Show 20313+3654 TOB 188 262 17.0 54
Show 20310+3656 AC 18 AB 158 2.2 55
Show 20310+3656 KUI 98 AC 76 16.8 55
Show 20310+3656 AC 18 AD 165 63.1 55
Show 20364+3652 ES 247 147 5.4 55
Show 20380+3806 SEI1197 173 14.3 55
Show 20293+3731 WEI 35 CD 202 12.1 56
Show 20311+3652 SEI1148 281 24.5 57
Show 20366+3825 HJ 1548 249 14.0 57
Show 20293+3731 WEI 35 AB 214 4.2 57
Show 20293+3731 WEI 35 AC 100 87.6 57
Show 20293+3731 WEI 35 BC 98 89.3 57
Show 20369+3652 SEI1192 281 30.5 58
Show 20337+3835 A 1431 29 0.9 59
Show 20297+3808 STF2691 32 16.3 60
Show 20373+3822 SEI1194 113 25.1 60
Show 20317+3831 ES 246 AB 355 5.1 61
Show 20317+3831 ES 246 AC 354 9.9 61

 
 
WDS 20340+3737 : COMPONENTS
 
 
  A
B pa=23.1°
sep=16.59"
 
 
20340+3737 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203359.02+373651.5 Mag 12.36 PmRA -4.00
PmDE -5.0 Tycho2 3153-00340-1
Tycho2
Tycho2 3153-00340-1 Pflag RAmdeg 308.49594658 DEmdeg 37.61431228
PmRA -4.9 PmDE -8.8 E RAmdeg 88 E DEmdeg 85
E pmRA 3.1 E pmDE 2.8 EpRAm 1980.68 EpDEm 1979.07
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 13.334 E BTmag 0.274 VTmag 12.361
E VTmag 0.172 Prox 999 TYC HIP
CCDM RAdeg 308.49595917 DEdeg 37.61433056 EpRA 1990 1.69
EpDE 1990 1.77 E RAdeg 95.1 E DEdeg 91.5 Posflg
Corr 0.1
CCDM
Ccdm 20340+3737 RComp Comp A Note1
Note2 Discov num DRAs -0.90 DDEs -8.4
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20302N3716A
HIC
 
 
20340+3737 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203359.57+373706.8 Mag 13.4 PmRA -4.00
PmDE 1.0 Calc delta mag 1.04 Calc coord yes
CCDM
Ccdm 20340+3737 RComp Comp B Note1
Note2 Discov num SEI1170 DRAs -0.24 DDEs 6.5
R dRAs 65 Year 1895 Theta 029 Rho 16.9
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20302N3716B
HIC