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Current system
20302+4210
TDT 2325


Nearby doubles
13' : 20311+4203
CAN 25AB

22' : 20300+4149
J 130

26' : 20315+4148
BRT2265

27' : 20316+4149
TDT2338

27' : 20298+4143
GRV 344

30' : 20323+4152
BU 434

31' : 20276+4202
HDS2928

31' : 20317+4143
HJ 1530

34' : 20307+4137
CAN 28AB

34' : 20329+4154
BLA 8

36' : 20312+4137
J 1196

40' : 20312+4132
CAN 3AB

41' : 20314+4131
CAN 31AB

42' : 20331+4144
CAN 45AB

42' : 20269+4152
A 293

43' : 20333+4236
ES 1569

45' : 20318+4128
CAN 34AB

46' : 20301+4124
CAN 14AB

48' : 20324+4130
CAN 37AB

48' : 20325+4129
CAN 39AB

49' : 20322+4127
MZA 24AB

50' : 20345+4223
TDT2385

50' : 20323+4126
CAN 36AB

50' : 20335+4136
CAN 59AB

50' : 20313+4121
MZA 39AB

51' : 20325+4126
CAN 38AB



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

20302+4210 TDT 2325

 
 
20h 30m 13.84s +42° 09' 43.0" P.A. 261.00 sep 2.0 mag 11.37,13.16
 
 
Coord 2000 20302+4210 Discov num TDT2325 Comp Coord arcsec 2000 20 30 13.84 +42 09 43.0
Date first 1991 Date last 1991 Obs 1
Pa first 261 Pa last 261.4 P.A. Now (θ) 261.4°
Sep first 2.0 Sep last 1.98 Sep. Now (ρ) 1.98"
Mag pri 11.37 Mag sec 13.16 delta mag (ΔM) 1.79 Spectral class
Pri motion ra +105 Sec motion ra +105
Pri motion dec +007 Sec motion dec +007
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3161-00302-1 Gaia DR2 2068066782121787648
 
 
WDS 20302+4210 TDT 2325 : 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
20302+4210 TDT2325 1991 1 261 2.0 11.37 13.16 203013.84+420943.0

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

 
 
WDS 20302+4210 TDT 2325 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20302+4210 TDT 2325 : MEASURES
 
 
No records found.

 
 
WDS 20302+4210 : VIRTUAL EYEPIECE
 
 

20302+4210 TDT2325A mag 11.37 20302+4210 TDT2325B sep 1.5 P.A. 258.50 mag 13.16 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 20302+4210 : ALADIN DSS IMAGE @ 20h 30m 13.84s +42° 09' 43.0"
 
 
 
 
WDS 20302+4210 TDT 2325 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20302+4210 TDT2325 distance=0' 20311+4203 CAN 2Aa,Ab distance=13' 20311+4203 CAN 25AB distance=13' 20300+4149 J 130 distance=22' 20315+4148 BRT2265 distance=26' 20316+4149 TDT2338 distance=27' 20298+4143 GRV 344 distance=27' 20323+4152 BU 434 distance=30' 20276+4202 HDS2928 distance=31' 20317+4143 HJ 1530 distance=31' 20307+4137 CAN 1Aa,Ab distance=34' 20307+4137 CAN 28AB distance=34' 20307+4137 CAN 28AC distance=34' 20307+4137 CAN 28AD distance=34' 20307+4137 CAN 28AE distance=34' 20307+4137 CAN 28AF distance=34' 20307+4137 CAN 28AG distance=34' 20307+4137 CAN 28AH distance=34' 20307+4137 CAN 28AI distance=34' 20307+4137 CAN 28AJ distance=34' 20307+4137 CAN 28AK distance=34' 20307+4137 CAN 28AL distance=34' 20307+4137 CAN 28AM distance=34' 20307+4137 CAN 28AN distance=34' 20307+4137 CAN 28AO distance=34' 20329+4154 BLA 8 distance=34' 20312+4137 J 1196 distance=36' 20312+4132 CAN 3AB distance=40' 20312+4132 CAN 29AC distance=40' 20314+4131 CAN 31AB distance=41' 20314+4131 CAN 31AC distance=41' 20331+4144 CAN 45AB distance=42' 20331+4144 CAN 45AC distance=42' 20331+4144 CAN 45AD distance=42' 20331+4144 CAN 45AE distance=42' 20331+4144 CAN 45AF distance=42' 20331+4144 CAN 45AG distance=42' 20331+4144 CAN 45AH distance=42' 20331+4144 CAN 45AI distance=42' 20331+4144 CAN 45AJ distance=42' 20331+4144 CAN 45AK distance=42' 20269+4152 A 293 distance=42' 20333+4236 ES 1569 distance=43' 20318+4128 CAN 34AB distance=45' 20318+4128 CAN 34AC distance=45' 20318+4128 CAN 34AD distance=45' 20318+4128 CAN 34AE distance=45' 20318+4128 CAN 34AF distance=45' 20318+4128 CAN 34AG distance=45' 20318+4128 CAN 34AH distance=45' 20318+4128 CAN 34AI distance=45' 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 20302+4210 TDT2325 261 2.0
Show 20311+4203 CAN 2 Aa,Ab 258 0.3 13
Show 20311+4203 CAN 25 AB 221 4.2 13
Show 20300+4149 J 130 265 2.5 22
Show 20315+4148 BRT2265 285 5.4 26
Show 20316+4149 TDT2338 200 2.5 27
Show 20298+4143 GRV 344 34 20.5 27
Show 20323+4152 BU 434 103 1.4 30
Show 20276+4202 HDS2928 15 0.2 31
Show 20317+4143 HJ 1530 242 16.2 31
Show 20307+4137 CAN 1 Aa,Ab 91 0.3 34
Show 20307+4137 CAN 28 AB 336 2.6 34
Show 20307+4137 CAN 28 AC 342 6.0 34
Show 20307+4137 CAN 28 AD 168 7.0 34
Show 20307+4137 CAN 28 AE 337 7.8 34
Show 20307+4137 CAN 28 AF 20 8.2 34
Show 20307+4137 CAN 28 AG 158 9.0 34
Show 20307+4137 CAN 28 AH 284 9.2 34
Show 20307+4137 CAN 28 AI 44 10.1 34
Show 20307+4137 CAN 28 AJ 118 10.1 34
Show 20307+4137 CAN 28 AK 14 10.2 34
Show 20307+4137 CAN 28 AL 104 10.3 34
Show 20307+4137 CAN 28 AM 77 12.0 34
Show 20307+4137 CAN 28 AN 2 13.4 34
Show 20307+4137 CAN 28 AO 281 13.8 34
Show 20329+4154 BLA 8 336 0.0 34
Show 20312+4137 J 1196 9 4.7 36
Show 20312+4132 CAN 3 AB 342 1.2 40
Show 20312+4132 CAN 29 AC 152 6.3 40
Show 20314+4131 CAN 31 AB 116 3.9 41
Show 20314+4131 CAN 31 AC 30 6.0 41
Show 20331+4144 CAN 45 AB 167 1.8 42
Show 20331+4144 CAN 45 AC 32 7.4 42
Show 20331+4144 CAN 45 AD 238 8.0 42
Show 20331+4144 CAN 45 AE 159 8.2 42
Show 20331+4144 CAN 45 AF 158 8.3 42
Show 20331+4144 CAN 45 AG 287 10.6 42
Show 20331+4144 CAN 45 AH 114 11.5 42
Show 20331+4144 CAN 45 AI 86 12.6 42
Show 20331+4144 CAN 45 AJ 122 12.3 42
Show 20331+4144 CAN 45 AK 347 15.0 42
Show 20269+4152 A 293 119 1.4 42
Show 20333+4236 ES 1569 273 3.0 43
Show 20318+4128 CAN 34 AB 276 2.9 45
Show 20318+4128 CAN 34 AC 328 3.0 45
Show 20318+4128 CAN 34 AD 63 3.5 45
Show 20318+4128 CAN 34 AE 177 4.8 45
Show 20318+4128 CAN 34 AF 112 5.4 45
Show 20318+4128 CAN 34 AG 92 5.9 45
Show 20318+4128 CAN 34 AH 148 8.3 45
Show 20318+4128 CAN 34 AI 295 9.5 45

 
 
WDS 20302+4210 : COMPONENTS
 
 
  A
B pa=258.5°
sep=1.48"
 
 
20302+4210 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203013.84+420943.0 Mag 11.37 PmRA 105.00
PmDE 7.0 Tycho2 3161-00302-1
Tycho2
Tycho2 3161-00302-1 Pflag RAmdeg 307.55763524 DEmdeg 42.16192539
PmRA 104.9 PmDE 6.8 E RAmdeg 55 E DEmdeg 54
E pmRA 1.8 E pmDE 1.7 EpRAm 1981.12 EpDEm 1980.23
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.4 Q pmRA 1.1
Q pmDE 0.5 BTmag 11.973 E BTmag 0.104 VTmag 11.414
E VTmag 0.091 Prox 999 TYC HIP
CCDM RAdeg 307.55730694 DEdeg 42.16190972 EpRA 1990 1.64
EpDE 1990 1.70 E RAdeg 57.8 E DEdeg 57.1 Posflg
Corr 0.1
 
 
20302+4210 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203013.71+420942.7 Mag 13.16 PmRA 105.00
PmDE 7.0 Calc delta mag 1.79 Calc coord yes