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Current system
20390+4109
TDT 2451


Nearby doubles
32' : 20413+4051
COU2419

36' : 20396+4035
STT 410AB

36' : 20361+4056
CAN 23AB

38' : 20421+4125
COU2420

39' : 20358+4123
NML 1

40' : 20366+4139
TDT2416

41' : 20357+4053
BRT2266

45' : 20387+4024
ES 1979

46' : 20428+4123
RAO 619

46' : 20422+4041
MLB 23

49' : 20382+4022
TDT2439

49' : 20428+4132
ES 1571

49' : 20377+4029
HJ 610

52' : 20347+4052
CAN 17AB

52' : 20347+4051
CAN 20AB

52' : 20392+4017
ES 1980

53' : 20347+4129
CAN 74AB

53' : 20396+4202
A 399

53' : 20344+4117
CAN 76AB

55' : 20429+4036
MLB 24

55' : 20367+4021
NML 2

56' : 20434+4131
HJ 1571

56' : 20345+4132
CAN 73AB

56' : 20349+4038
CAN 21

56' : 20341+4105
CAN 69AB

57' : 20379+4014
SEI1199



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

20390+4109 TDT 2451

 
 
20h 39m 00.13s +41° 09' 21.4" P.A. 105.00 sep 0.7 mag 11.52,11.75
 
 
Coord 2000 20390+4109 Discov num TDT2451 Comp Coord arcsec 2000 20 39 00.13 +41 09 21.4
Date first 1991 Date last 2016 Obs 3
Pa first 121 Pa last 104.6 P.A. Now (θ) 104.6°
Sep first 0.8 Sep last 0.675 Sep. Now (ρ) 0.675"
Mag pri 11.52 Mag sec 11.75 delta mag (ΔM) 0.23 Spectral class
Pri motion ra -006 Sec motion ra -006
Pri motion dec -019 Sec motion dec -019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3157-00944-1 Gaia DR2 2064823055314131072
 
 
WDS 20390+4109 TDT 2451 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20390+4109 TDT2451 1991 1 121 0.8 11.52 11.75 203900.13+410921.4
20390+4109 TDT2451 2015 2 105 0.7 11.52 11.75 203900.13+410921.4
20390+4109 TDT2451 2016 3 105 0.7 11.52 11.75 203900.13+410921.4

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

 
 
WDS 20390+4109 TDT 2451 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20390+4109 TDT 2451 : MEASURES
 
 
No records found.

 
 
WDS 20390+4109 : VIRTUAL EYEPIECE
 
 

20390+4109 TDT2451A mag 11.52 20390+4109 TDT2451B sep 0.5 P.A. 109.10 mag 11.75 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20390+4109 : ALADIN DSS IMAGE @ 20h 39m 00.13s +41° 09' 21.4"
 
 
 
 
WDS 20390+4109 TDT 2451 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20390+4109 TDT2451 distance=0' 20413+4051 COU2419 distance=32' 20396+4035 STT 410AB distance=36' 20396+4035 STT 410AB,C distance=36' 20396+4035 STT 410AB,D distance=36' 20361+4056 CAN 23AB distance=36' 20361+4056 CAN 23AC distance=36' 20361+4056 CAN 23AD distance=36' 20361+4056 CAN 23AE distance=36' 20361+4056 CAN 23AF distance=36' 20421+4125 COU2420 distance=38' 20358+4123 NML 1 distance=39' 20366+4139 TDT2416 distance=40' 20357+4053 BRT2266 distance=41' 20387+4024 ES 1979 distance=45' 20428+4123 RAO 619 distance=46' 20422+4041 MLB 23 distance=46' 20382+4022 TDT2439 distance=49' 20428+4132 ES 1571 distance=49' 20377+4029 HJ 610 distance=49' 20347+4052 CAN 17AB distance=52' 20347+4052 CAN 17AC distance=52' 20347+4051 CAN 20AB distance=52' 20347+4051 CAN 20AC distance=52' 20392+4017 ES 1980 distance=52' 20347+4129 CAN 74AB distance=53' 20347+4129 CAN 74AC distance=53' 20347+4129 CAN 74AD distance=53' 20347+4129 CAN 74AE distance=53' 20347+4129 CAN 74AF distance=53' 20347+4129 CAN 74AG distance=53' 20396+4202 A 399 distance=53' 20344+4117 CAN 76AB distance=53' 20344+4117 CAN 76AC distance=53' 20344+4117 CAN 76AD distance=53' 20344+4117 CAN 76AE distance=53' 20344+4117 CAN 76AF distance=53' 20344+4117 CAN 76AG distance=53' 20344+4117 CAN 76AH distance=53' 20344+4117 CAN 76AI distance=53' 20344+4117 CAN 76AJ distance=53' 20344+4117 CAN 76AK distance=53' 20344+4117 CAN 76AL distance=53' 20344+4117 CAN 76AM distance=53' 20429+4036 MLB 24 distance=55' 20367+4021 NML 2 distance=55' 20434+4131 HJ 1571 distance=56' 20345+4132 CAN 73AB distance=56' 20345+4132 CAN 73AC distance=56' 20345+4132 CAN 73AD distance=56' 20345+4132 CAN 73AE distance=56' 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 20390+4109 TDT2451 105 0.7
Show 20413+4051 COU2419 69 0.8 32
Show 20396+4035 STT 410 AB 3 0.9 36
Show 20396+4035 STT 410 AB,C 70 68.6 36
Show 20396+4035 STT 410 AB,D 327 106.6 36
Show 20361+4056 CAN 23 AB 333 4.8 36
Show 20361+4056 CAN 23 AC 245 5.4 36
Show 20361+4056 CAN 23 AD 175 6.6 36
Show 20361+4056 CAN 23 AE 113 7.5 36
Show 20361+4056 CAN 23 AF 329 14.0 36
Show 20421+4125 COU2420 90 0.5 38
Show 20358+4123 NML 1 16 0.1 39
Show 20366+4139 TDT2416 352 0.7 40
Show 20357+4053 BRT2266 325 7.5 41
Show 20387+4024 ES 1979 303 7.6 45
Show 20428+4123 RAO 619 141 0.6 46
Show 20422+4041 MLB 23 41 7.6 46
Show 20382+4022 TDT2439 22 0.4 49
Show 20428+4132 ES 1571 39 7.4 49
Show 20377+4029 HJ 610 176 25.6 49
Show 20347+4052 CAN 17 AB 335 9.6 52
Show 20347+4052 CAN 17 AC 286 12.3 52
Show 20347+4051 CAN 20 AB 164 10.9 52
Show 20347+4051 CAN 20 AC 330 13.8 52
Show 20392+4017 ES 1980 60 8.3 52
Show 20347+4129 CAN 74 AB 29 4.8 53
Show 20347+4129 CAN 74 AC 297 6.4 53
Show 20347+4129 CAN 74 AD 198 6.6 53
Show 20347+4129 CAN 74 AE 303 9.1 53
Show 20347+4129 CAN 74 AF 318 9.6 53
Show 20347+4129 CAN 74 AG 238 9.9 53
Show 20396+4202 A 399 82 0.9 53
Show 20344+4117 CAN 76 AB 118 0.6 53
Show 20344+4117 CAN 76 AC 65 2.9 53
Show 20344+4117 CAN 76 AD 107 3.3 53
Show 20344+4117 CAN 76 AE 21 4.4 53
Show 20344+4117 CAN 76 AF 50 4.7 53
Show 20344+4117 CAN 76 AG 28 5.5 53
Show 20344+4117 CAN 76 AH 42 6.6 53
Show 20344+4117 CAN 76 AI 185 8.4 53
Show 20344+4117 CAN 76 AJ 285 8.5 53
Show 20344+4117 CAN 76 AK 268 9.0 53
Show 20344+4117 CAN 76 AL 9 11.5 53
Show 20344+4117 CAN 76 AM 167 12.4 53
Show 20429+4036 MLB 24 175 5.9 55
Show 20367+4021 NML 2 350 0.6 55
Show 20434+4131 HJ 1571 59 7.3 56
Show 20345+4132 CAN 73 AB 180 2.3 56
Show 20345+4132 CAN 73 AC 109 5.2 56
Show 20345+4132 CAN 73 AD 210 6.8 56
Show 20345+4132 CAN 73 AE 275 9.5 56

 
 
WDS 20390+4109 : COMPONENTS
 
 
  A
B pa=109.1°
sep=0.52"
 
 
20390+4109 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203900.13+410921.4 Mag 11.52 PmRA -6.00
PmDE -19.0 Tycho2 3157-00944-1
Tycho2
Tycho2 3157-00944-1 Pflag RAmdeg 309.75064823 DEmdeg 41.15590800
PmRA -6.0 PmDE -18.5 E RAmdeg 32 E DEmdeg 29
E pmRA 1.4 E pmDE 1.3 EpRAm 1983.73 EpDEm 1983.44
Num 5 Q RAmdeg 1.9 Q DEmdeg 0.4 Q pmRA 1.8
Q pmDE 0.4 BTmag 11.748 E BTmag 0.069 VTmag 11.014
E VTmag 0.061 Prox 999 TYC T HIP
CCDM RAdeg 309.75066611 DEdeg 41.15595028 EpRA 1990 1.66
EpDE 1990 1.76 E RAdeg 39.2 E DEdeg 38.6 Posflg
Corr 0.0
 
 
20390+4109 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203900.17+410921.2 Mag 11.75 PmRA -6.00
PmDE -19.0 Calc delta mag 0.23 Calc coord yes