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Doubles in session


Current system
20391+3717
SEI 1207


Nearby doubles
10' : 20396+3710
ES 2194

16' : 20390+3702
COU2219

17' : 20379+3725
SEI1196

17' : 20399+3703
ES 248AB

20' : 20374+3721
TOB 192

21' : 20397+3658
A 1432

28' : 20382+3742
SEI1201

28' : 20380+3741
TOB 193AB

31' : 20410+3658
TDT2469

34' : 20397+3644
SEI1209

35' : 20419+3711
SEI1220

36' : 20369+3652
SEI1192

38' : 20422+3726
SEI1223

40' : 20362+3737
SEI1188AB

40' : 20359+3729
SEI1186

41' : 20364+3652
ES 247

42' : 20414+3644
SEI1215

43' : 20391+3759
SEI1208

44' : 20404+3758
SEI1212AB

46' : 20368+3642
TDT2420

48' : 20351+3725
SEI1179

49' : 20390+3804
SEI1204

49' : 20419+3752
TDT2478

50' : 20416+3637
SEI1218

51' : 20408+3802
ALI 672

51' : 20357+3747
TOB 190



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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.

20391+3717 SEI 1207

 
 
20h 39m 05.25s +37° 16' 58.8" P.A. 121.00 sep 27.0 mag 11.94,12.40
 
 
Coord 2000 20391+3717 Discov num SEI1207 Comp Coord arcsec 2000 20 39 05.25 +37 16 58.8
Date first 1896 Date last 2015 Obs 13
Pa first 124 Pa last 120.5 P.A. Now (θ) 120.5°
Sep first 25.6 Sep last 27.025 Sep. Now (ρ) 27.025"
Mag pri 11.94 Mag sec 12.40 delta mag (ΔM) 0.46 Spectral class
Pri motion ra +007 Sec motion ra +023
Pri motion dec -004 Sec motion dec +001
Notes
rPM=0.728
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2698-00172-1 Gaia DR2 2062887090225359744
 
 
WDS 20391+3717 SEI 1207 : 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
20391+3717 SEI1207 1998 6 121 26.8 11.94 12.40 D 203905.25+371658.8
20391+3717 SEI1207 2002 7 121 26.9 11.94 12.40 D 203905.25+371658.8
20391+3717 SEI1207 2010 8 121 27.0 11.94 12.40 203905.25+371658.8
20391+3717 SEI1207 2015 9 121 27.0 11.94 12.40 203905.25+371658.8

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

 
 
WDS 20391+3717 SEI 1207 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20391+3717 SEI 1207 : MEASURES
 
 
No records found.

 
 
WDS 20391+3717 : VIRTUAL EYEPIECE
 
 

20391+3717 SEI1207A mag 11.94 20391+3717 SEI1207B sep 23.1 P.A. 126.50 mag 12.4 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 20391+3717 : ALADIN DSS IMAGE @ 20h 39m 05.25s +37° 16' 58.8"
 
 
 
 
WDS 20391+3717 SEI 1207 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20391+3717 SEI1207 distance=0' 20396+3710 ES 2194 distance=10' 20390+3702 COU2219 distance=16' 20379+3725 SEI1196 distance=17' 20399+3703 ES 248AB distance=17' 20399+3703 ES 248AC distance=17' 20374+3721 TOB 192 distance=20' 20397+3658 A 1432 distance=21' 20382+3742 SEI1201 distance=28' 20380+3741 TOB 193AB distance=28' 20380+3741 TOB 193AC distance=28' 20410+3658 TDT2469 distance=31' 20397+3644 SEI1209 distance=34' 20419+3711 SEI1220 distance=35' 20369+3652 SEI1192 distance=36' 20422+3726 SEI1223 distance=38' 20362+3737 SEI1187BC distance=40' 20362+3737 TOB 191BD distance=40' 20362+3737 SEI1188AB distance=40' 20359+3729 SEI1186 distance=40' 20364+3652 ES 247 distance=41' 20414+3644 SEI1215 distance=42' 20391+3759 SEI1208 distance=43' 20404+3758 SEI1212AB distance=44' 20404+3758 FYM 327AC distance=44' 20368+3642 TDT2420 distance=46' 20351+3725 SEI1179 distance=48' 20390+3804 SEI1204 distance=49' 20419+3752 TDT2478 distance=49' 20416+3637 SEI1218 distance=50' 20408+3802 ALI 672 distance=51' 20357+3747 TOB 190 distance=51' 20380+3806 SEI1197 distance=51' 20412+3801 ES 2512 distance=51' 20415+3635 SEI1216 distance=52' 20355+3749 SEI1184 distance=54' 20384+3811 TDT2444Aa,Ab distance=55' 20432+3749 ES 2122AB distance=56' 20432+3749 FYM 323AC distance=56' 20437+3727 COU2291 distance=56' 20423+3637 SEI1224 distance=56' 20344+3725 SEI1171 distance=57' 20383+3814 SEI1202 distance=58' 20431+3645 SEI1227 distance=58' 20358+3635 ES 2510 distance=58' 20391+3619 SEI1206 distance=58' 20352+3755 SEI1182 distance=60' 20352+3754 SEI1180BC distance=62' 20352+3754 SEI1180AB distance=62' 20352+3754 SEI1181AC distance=62' 20417+3622 SEI1217 distance=63' 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 20391+3717 SEI1207 121 27.0
Show 20396+3710 ES 2194 289 7.2 10
Show 20390+3702 COU2219 43 0.9 16
Show 20379+3725 SEI1196 336 17.7 17
Show 20399+3703 ES 248 AB 3 4.3 17
Show 20399+3703 ES 248 AC 66 10.6 17
Show 20374+3721 TOB 192 106 32.0 20
Show 20397+3658 A 1432 117 0.4 21
Show 20382+3742 SEI1201 350 22.8 28
Show 20380+3741 TOB 193 AB 231 28.1 28
Show 20380+3741 TOB 193 AC 267 31.4 28
Show 20410+3658 TDT2469 353 2.9 31
Show 20397+3644 SEI1209 15 21.4 34
Show 20419+3711 SEI1220 161 13.0 35
Show 20369+3652 SEI1192 281 30.5 36
Show 20422+3726 SEI1223 142 10.3 38
Show 20362+3737 SEI1187 BC 273 22.7 40
Show 20362+3737 TOB 191 BD 134 37.6 40
Show 20362+3737 SEI1188 AB 77 15.4 40
Show 20359+3729 SEI1186 189 12.3 40
Show 20364+3652 ES 247 147 5.4 41
Show 20414+3644 SEI1215 135 28.8 42
Show 20391+3759 SEI1208 11 7.5 43
Show 20404+3758 SEI1212 AB 195 18.9 44
Show 20404+3758 FYM 327 AC 30 14.0 44
Show 20368+3642 TDT2420 356 0.5 46
Show 20351+3725 SEI1179 69 27.3 48
Show 20390+3804 SEI1204 291 7.8 49
Show 20419+3752 TDT2478 339 1.9 49
Show 20416+3637 SEI1218 226 12.8 50
Show 20408+3802 ALI 672 167 12.4 51
Show 20357+3747 TOB 190 68 17.8 51
Show 20380+3806 SEI1197 173 14.3 51
Show 20412+3801 ES 2512 327 6.9 51
Show 20415+3635 SEI1216 117 11.8 52
Show 20355+3749 SEI1184 36 27.0 54
Show 20384+3811 TDT2444 Aa,Ab 319 1.0 55
Show 20432+3749 ES 2122 AB 71 5.4 56
Show 20432+3749 FYM 323 AC 142 20.4 56
Show 20437+3727 COU2291 228 1.0 56
Show 20423+3637 SEI1224 161 25.2 56
Show 20344+3725 SEI1171 201 17.4 57
Show 20383+3814 SEI1202 89 14.1 58
Show 20431+3645 SEI1227 168 15.0 58
Show 20358+3635 ES 2510 317 6.8 58
Show 20391+3619 SEI1206 149 26.6 58
Show 20352+3755 SEI1182 115 8.9 60
Show 20352+3754 SEI1180 BC 33 17.9 62
Show 20352+3754 SEI1180 AB 138 28.4 62
Show 20352+3754 SEI1181 AC 102 29.4 62
Show 20417+3622 SEI1217 245 15.1 63

 
 
WDS 20391+3717 : COMPONENTS
 
 
  A
B pa=126.5°
sep=23.05"
 
 
20391+3717 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203905.25+371658.8 Mag 11.94 PmRA 7.00
PmDE -4.0 Tycho2 2698-00172-1
Tycho2
Tycho2 2698-00172-1 Pflag RAmdeg 309.77190572 DEmdeg 37.28301285
PmRA 8.5 PmDE -0.5 E RAmdeg 60 E DEmdeg 53
E pmRA 1.8 E pmDE 1.7 EpRAm 1974.40 EpDEm 1976.68
Num 7 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 12.106 E BTmag 0.108 VTmag 11.942
E VTmag 0.146 Prox 999 TYC HIP
CCDM RAdeg 309.77188611 DEdeg 37.28301139 EpRA 1990 1.59
EpDE 1990 1.74 E RAdeg 68.1 E DEdeg 58.5 Posflg
Corr 0.0
CCDM
Ccdm 20391+3717 RComp Comp A Note1
Note2 Discov num DRAs -0.73 DDEs -1.5
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20353N3656A
HIC
 
 
20391+3717 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203906.80+371645.1 Mag 12.4 PmRA 23.00
PmDE 1.0 Calc delta mag 0.46 Calc coord yes
CCDM
Ccdm 20391+3717 RComp Comp B Note1
Note2 Discov num SEI1207 DRAs 1.18 DDEs -15.4
R dRAs 65 Year 1896 Theta 124 Rho 25.7
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 20353N3656B
HIC