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Doubles in session


Current system
20307+4109
CAN 16


Nearby doubles
4' : 20310+4110
CAN 19AB

6' : 20305+4113
CAN 27AB

12' : 20316+4113
ES 1679AB

15' : 20316+4059
CAN 13AB

15' : 20313+4121
MZA 39AB

16' : 20318+4117
CAN 33AB

16' : 20318+4118
CAN 4AB

16' : 20295+4100
HJ 1523

17' : 20301+4124
CAN 14AB

20' : 20310+4050
CAN 26AB

22' : 20324+4118
HER 3AB

22' : 20325+4114
MZA 40AB

24' : 20327+4114
CAN 78AB

24' : 20318+4128
CAN 34AB

24' : 20312+4132
CAN 3AB

25' : 20314+4131
CAN 31AB

25' : 20323+4126
CAN 36AB

26' : 20326+4056
CAN 24AB

26' : 20328+4115
CNT 8

26' : 20322+4127
MZA 24AB

27' : 20321+4048
CAN 77

27' : 20283+4113
TDT2305

27' : 20325+4126
CAN 38AB

28' : 20312+4137
J 1196

29' : 20307+4137
CAN 28AB

29' : 20330+4118
CAN 44AB



Selections
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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.

20307+4109 CAN 16

 
 
20h 30m 39.71s +41° 08' 49.0" P.A. 347.00 sep 8.4 mag 6.00,12.20 Sp B0.7
 
 
Coord 2000 20307+4109 Discov num CAN  16 Comp Coord arcsec 2000 20 30 39.71 +41 08 49.0
Date first 2008 Date last 2014 Obs 4
Pa first 346 Pa last 347.3 P.A. Now (θ) 347.3°
Sep first 8.7 Sep last 8.409 Sep. Now (ρ) 8.409"
Mag pri 6.00 Mag sec 12.20 delta mag (ΔM) 6.2 Spectral class B0.7 (blue-white)
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes V K (Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3157-00601-1
 
 
WDS 20307+4109 CAN 16 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CaN2014 Hf j Caballero-Nieves, S.M., Nelan, E.P., Gies, D.R., Wallace, D.J., DeGioia-Eastwood, 2014AJ....147...40C
CaN2014 K., Herrero, A., Jao, W.-J., Mason, B.D., Massey, P., Moffat, A.F., & Walborn, N.
CaN2014 AJ 147, 40, 2014
CaN2020 A j Caballero-Nieves, S.M., Gies, D.R., Baines, E.K., Bouchez, A.H., Dekany, R.G., 2020AJ....160..115C
CaN2020 Goodwin, S.P., Rickman, E.L., Roberts, L.C., Jr., Taggart, K., ten Brummelaar,
CaN2020 T.A. & Turner, N.H.
CaN2020 AJ 160, 115, 2020
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20307+4109 CAN 16 2014 4 347 8.4 6.00 12.20 B0.7 V K 203039.71+410849.0

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

 
 
WDS 20307+4109 CAN 16 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20307+4109 CAN 16 : MEASURES
 
 
No records found.

 
 
WDS 20307+4109 : VIRTUAL EYEPIECE
 
 

20307+4109 CAN 16A mag 6 Sp B0.7 20307+4109 CAN 16B sep 8.3 P.A. 350.40 mag 12.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20307+4109 : ALADIN DSS IMAGE @ 20h 30m 39.71s +41° 08' 49.0"
 
 
 
 
WDS 20307+4109 CAN 16 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20307+4109 CAN 16 distance=0' 20310+4110 CAN 19Aa,Ab distance=4' 20310+4110 CAN 19AB distance=4' 20310+4110 CAN 19AC distance=4' 20310+4110 CAN 19AD distance=4' 20310+4110 CAN 19AE distance=4' 20310+4110 CAN 19AF distance=4' 20305+4113 CAN 27AB distance=6' 20305+4113 CAN 27AC distance=6' 20305+4113 CAN 27AD distance=6' 20305+4113 CAN 27AE distance=6' 20316+4113 ES 1679AB distance=12' 20316+4113 CAN 75AC distance=12' 20316+4113 CAN 75AD distance=12' 20316+4059 CAN 13AB distance=15' 20316+4059 CAN 13AC distance=15' 20316+4059 CAN 13AD distance=15' 20313+4121 MZA 39AB distance=15' 20313+4121 CAN 30AC distance=15' 20313+4121 CAN 30AD distance=15' 20313+4121 CAN 30AE distance=15' 20313+4121 CAN 30AF distance=15' 20313+4121 CAN 30AG distance=15' 20313+4121 CAN 30AH distance=15' 20313+4121 CAN 30AI distance=15' 20318+4117 CAN 33AB distance=16' 20318+4117 CAN 33AC distance=16' 20318+4117 CAN 33AD distance=16' 20318+4117 CAN 33AE distance=16' 20318+4117 CAN 33AF distance=16' 20318+4117 CAN 33AG distance=16' 20318+4117 CAN 33AH distance=16' 20318+4117 CAN 33AI distance=16' 20318+4118 CAN 4AB distance=16' 20318+4118 CAN 32AC distance=16' 20318+4118 CAN 32AD distance=16' 20318+4118 CAN 32AE distance=16' 20318+4118 CAN 32AF distance=16' 20318+4118 CAN 32AG distance=16' 20318+4118 CAN 32AH distance=16' 20295+4100 HJ 1523 distance=16' 20301+4124 CAN 14AB distance=17' 20301+4124 CAN 14AC distance=17' 20301+4124 CAN 14AD distance=17' 20301+4124 CAN 14AE distance=17' 20301+4124 CAN 14AF distance=17' 20301+4124 CAN 14AG distance=17' 20301+4124 CAN 14AH distance=17' 20301+4124 CAN 14AI distance=17' 20301+4124 CAN 14AJ distance=17' 20301+4124 CAN 14AK distance=17' 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 20307+4109 CAN 16 347 8.4
Show 20310+4110 CAN 19 Aa,Ab 177 0.4 4
Show 20310+4110 CAN 19 AB 247 5.0 4
Show 20310+4110 CAN 19 AC 114 6.9 4
Show 20310+4110 CAN 19 AD 313 9.5 4
Show 20310+4110 CAN 19 AE 256 9.6 4
Show 20310+4110 CAN 19 AF 82 11.3 4
Show 20305+4113 CAN 27 AB 107 4.9 6
Show 20305+4113 CAN 27 AC 287 8.1 6
Show 20305+4113 CAN 27 AD 108 9.8 6
Show 20305+4113 CAN 27 AE 14 10.6 6
Show 20316+4113 ES 1679 AB 214 4.0 12
Show 20316+4113 CAN 75 AC 166 8.2 12
Show 20316+4113 CAN 75 AD 269 11.8 12
Show 20316+4059 CAN 13 AB 80 5.2 15
Show 20316+4059 CAN 13 AC 261 12.6 15
Show 20316+4059 CAN 13 AD 351 13.9 15
Show 20313+4121 MZA 39 AB 215 4.4 15
Show 20313+4121 CAN 30 AC 185 6.6 15
Show 20313+4121 CAN 30 AD 101 10.7 15
Show 20313+4121 CAN 30 AE 116 11.1 15
Show 20313+4121 CAN 30 AF 234 11.4 15
Show 20313+4121 CAN 30 AG 274 12.4 15
Show 20313+4121 CAN 30 AH 275 12.7 15
Show 20313+4121 CAN 30 AI 272 13.3 15
Show 20318+4117 CAN 33 AB 22 3.5 16
Show 20318+4117 CAN 33 AC 146 5.0 16
Show 20318+4117 CAN 33 AD 4 6.6 16
Show 20318+4117 CAN 33 AE 117 8.3 16
Show 20318+4117 CAN 33 AF 94 10.7 16
Show 20318+4117 CAN 33 AG 47 12.6 16
Show 20318+4117 CAN 33 AH 224 13.7 16
Show 20318+4117 CAN 33 AI 255 15.5 16
Show 20318+4118 CAN 4 AB 38 1.3 16
Show 20318+4118 CAN 32 AC 282 6.4 16
Show 20318+4118 CAN 32 AD 338 6.9 16
Show 20318+4118 CAN 32 AE 8.0 16
Show 20318+4118 CAN 32 AF 226 9.0 16
Show 20318+4118 CAN 32 AG 348 11.9 16
Show 20318+4118 CAN 32 AH 183 13.0 16
Show 20295+4100 HJ 1523 340 12.0 16
Show 20301+4124 CAN 14 AB 190 4.2 17
Show 20301+4124 CAN 14 AC 99 4.4 17
Show 20301+4124 CAN 14 AD 114 5.6 17
Show 20301+4124 CAN 14 AE 212 6.7 17
Show 20301+4124 CAN 14 AF 316 8.3 17
Show 20301+4124 CAN 14 AG 1 9.5 17
Show 20301+4124 CAN 14 AH 74 9.6 17
Show 20301+4124 CAN 14 AI 356 9.7 17
Show 20301+4124 CAN 14 AJ 17 9.8 17
Show 20301+4124 CAN 14 AK 241 12.6 17

 
 
WDS 20307+4109 : COMPONENTS
 
 
  A
B pa=350.4°
sep=8.32"
 
 
20307+4109 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203039.71+410849.0 Mag 6 Spectral class B0.7 (blue-white)
 
 
20307+4109 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203039.59+410857.2 Mag 12.2 Tycho2 3157-00601-1
Calc delta mag 6.2 Calc coord yes
Tycho2
Tycho2 3157-00601-1 Pflag RAmdeg 307.66540571 DEmdeg 41.14688728
PmRA -3.3 PmDE -4.2 E RAmdeg 35 E DEmdeg 46
E pmRA 2.6 E pmDE 2.4 EpRAm 1985.76 EpDEm 1986.07
Num 3 Q RAmdeg 1.7 Q DEmdeg 0.8 Q pmRA 1.8
Q pmDE 0.8 BTmag 12.785 E BTmag 0.205 VTmag 11.304
E VTmag 0.072 Prox 999 TYC HIP
CCDM RAdeg 307.66544194 DEdeg 41.14689083 EpRA 1990 1.70
EpDE 1990 1.78 E RAdeg 54.7 E DEdeg 55.2 Posflg
Corr -0.1