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Current system
20344+4117
CAN 76 AI


Nearby doubles
5' : 20340+4118
CAN 68AB

8' : 20338+4120
CAN 66AB

9' : 20337+4119
CAN 62AB

9' : 20336+4116
CAN 61AB

10' : 20335+4115
CAN 60AB

10' : 20337+4123
CAN 8AB

12' : 20334+4118
CAN 55AB

13' : 20334+4111
CAN 58AB

13' : 20333+4117
CAN 79AB

13' : 20340+4106
CAN 67AB

13' : 20341+4105
CAN 69AB

13' : 20333+4119
HJ 1539AB

13' : 20347+4129
CAN 74AB

13' : 20333+4121
CAN 54AB

13' : 20333+4120
CAN 53AB

14' : 20332+4120
MZA 28AB

14' : 20332+4114
CAN 49AB

14' : 20332+4113
CAN 50AB

14' : 20334+4109
WSI 67AB

14' : 20332+4115
MZA 27AB

15' : 20331+4113
WSI 66AB

15' : 20332+4122
CAN 6AB

15' : 20345+4132
CAN 73AB

15' : 20330+4118
CAN 44AB

16' : 20337+4130
CAN 64AB

18' : 20358+4123
NML 1



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.

20344+4117 CAN 76 AI

 
 
20h 34m 21.93s +41° 17' 01.6" P.A. 185.00 sep 8.4 mag 7.60,12.30 Sp O8III
 
 
Coord 2000 20344+4117 Discov num CAN  76 Comp AI Coord arcsec 2000 20 34 21.93 +41 17 01.6
Date first 1998 Date last 2015 Obs 6
Pa first 185 Pa last 184.7 P.A. Now (θ) 184.7°
Sep first 8.3 Sep last 8.407 Sep. Now (ρ) 8.407"
Mag pri 7.60 Mag sec 12.30 delta mag (ΔM) 4.7 Spectral class O8III (blue)
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.
 
 
20344+4117 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 34 22 +41 17 02 CAN 76 AB 2008 1 118 0.6 7.60 12.20 4.60
Show 20 34 22 +41 17 02 CAN 76 AC 2008 1 65 2.9 7.60 15.80 8.20
Show 20 34 22 +41 17 02 CAN 76 AD 2008 1 107 3.3 7.60 14.80 7.20
Show 20 34 22 +41 17 02 CAN 76 AE 2008 1 21 4.4 7.60 16.20 8.60
Show 20 34 22 +41 17 02 CAN 76 AF 2008 1 50 4.7 7.60 15.30 7.70
Show 20 34 22 +41 17 02 CAN 76 AG 2008 1 28 5.5 7.60 15.70 8.10
Show 20 34 22 +41 17 02 CAN 76 AH 2008 1 42 6.6 7.60 14.70 7.10
Show 20 34 22 +41 17 02 CAN 76 AI 2015 6 185 8.4 7.60 12.30 4.70 <===
Show 20 34 22 +41 17 02 CAN 76 AJ 2008 1 285 8.5 7.60 15.00 7.40
Show 20 34 22 +41 17 02 CAN 76 AK 2008 1 268 9.0 7.60 14.20 6.60
Show 20 34 22 +41 17 02 CAN 76 AL 2008 1 9 11.5 7.60 14.50 6.90
Show 20 34 22 +41 17 02 CAN 76 AM 2014 5 167 12.4 7.60 14.10 6.50
13-fold system
13 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus
 
 
WDS 20344+4117 CAN 76 AI : 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
20344+4117 CAN 76 AI 2015 6 185 8.4 7.60 12.30 O8III V K 203421.93+411701.6

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

 
 
WDS 20344+4117 CAN 76 AI : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20344+4117 CAN 76 AI : MEASURES
 
 
No records found.

 
 
WDS 20344+4117 : VIRTUAL EYEPIECE
 
 

20344+4117 CAN 76A mag 7.6 Sp O8III 20344+4117 CAN 76B sep 0.5 P.A. 124.90 mag 12.2 20344+4117 CAN 76C sep 2.3 P.A. 58.30 mag 15.8 20344+4117 CAN 76D sep 2.5 P.A. 112.00 mag 14.8 20344+4117 CAN 76E sep 4.3 P.A. 15.90 mag 16.2 20344+4117 CAN 76F sep 4.1 P.A. 41.50 mag 15.3 20344+4117 CAN 76G sep 5.2 P.A. 21.90 mag 15.7 20344+4117 CAN 76H sep 5.9 P.A. 34.00 mag 14.7 20344+4117 CAN 76I sep 8.4 P.A. 183.50 mag 12.3 20344+4117 CAN 76J sep 6.5 P.A. 289.40 mag 15 20344+4117 CAN 76K sep 6.8 P.A. 267.60 mag 14.2 20344+4117 CAN 76L sep 11.5 P.A. 6.90 mag 14.5 20344+4117 CAN 76M sep 12.2 P.A. 170.20 mag 14.1 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 20344+4117 : ALADIN DSS IMAGE @ 20h 34m 21.93s +41° 17' 01.6"
 
 
 
 
WDS 20344+4117 CAN 76 AI : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20344+4117 CAN 76AI distance=0' 20340+4118 CAN 10Aa,Ab distance=5' 20340+4118 CAN 68AB distance=5' 20340+4118 CAN 68AC distance=5' 20340+4118 CAN 68AD distance=5' 20340+4118 CAN 68AE distance=5' 20340+4118 CAN 68AF distance=5' 20340+4118 CAN 68AG distance=5' 20340+4118 CAN 68AH distance=5' 20338+4120 CAN 66AB distance=8' 20338+4120 CAN 66AC distance=8' 20338+4120 CAN 66AD distance=8' 20338+4120 CAN 66AE distance=8' 20337+4119 CAN 62AB distance=9' 20337+4119 CAN 62AC distance=9' 20337+4119 CAN 62AD distance=9' 20337+4119 CAN 62AE distance=9' 20337+4119 CAN 62AF distance=9' 20337+4119 CAN 62AG distance=9' 20337+4119 CAN 62AH distance=9' 20337+4119 CAN 62AI distance=9' 20337+4119 CAN 62AJ distance=9' 20337+4119 CAN 62AK distance=9' 20337+4119 CAN 62AL distance=9' 20336+4116 CAN 61AB distance=9' 20336+4116 CAN 61AC distance=9' 20336+4116 CAN 61AD distance=9' 20336+4116 CAN 61AE distance=9' 20336+4116 CAN 61AF distance=9' 20336+4116 CAN 61AG distance=9' 20336+4116 CAN 61AH distance=9' 20336+4116 CAN 61AI distance=9' 20336+4116 CAN 61AJ distance=9' 20336+4116 CAN 61AK distance=9' 20335+4115 CAN 60AB distance=10' 20335+4115 CAN 60AC distance=10' 20335+4115 CAN 60AD distance=10' 20335+4115 CAN 60AE distance=10' 20335+4115 CAN 60AF distance=10' 20337+4123 CAN 8AB distance=10' 20337+4123 CAN 63AC distance=10' 20337+4123 CAN 63AD distance=10' 20337+4123 CAN 63AE distance=10' 20337+4123 CAN 63AF distance=10' 20337+4123 CAN 63AG distance=10' 20337+4123 CAN 63AH distance=10' 20337+4123 CAN 63AI distance=10' 20334+4118 CAN 55AB distance=12' 20334+4118 CAN 55AC distance=12' 20334+4118 CAN 55AD distance=12' 20334+4118 CAN 55AE distance=12' 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 20344+4117 CAN 76 AB 118 0.6
Show 20344+4117 CAN 76 AC 65 2.9
Show 20344+4117 CAN 76 AD 107 3.3
Show 20344+4117 CAN 76 AE 21 4.4
Show 20344+4117 CAN 76 AF 50 4.7
Show 20344+4117 CAN 76 AG 28 5.5
Show 20344+4117 CAN 76 AH 42 6.6
Show 20344+4117 CAN 76 AI 185 8.4
Show 20344+4117 CAN 76 AJ 285 8.5
Show 20344+4117 CAN 76 AK 268 9.0
Show 20344+4117 CAN 76 AL 9 11.5
Show 20344+4117 CAN 76 AM 167 12.4
Show 20340+4118 CAN 10 Aa,Ab 226 0.0 5
Show 20340+4118 CAN 68 AB 48 0.8 5
Show 20340+4118 CAN 68 AC 315 7.1 5
Show 20340+4118 CAN 68 AD 285 7.4 5
Show 20340+4118 CAN 68 AE 311 8.9 5
Show 20340+4118 CAN 68 AF 235 9.4 5
Show 20340+4118 CAN 68 AG 232 10.9 5
Show 20340+4118 CAN 68 AH 31 11.0 5
Show 20338+4120 CAN 66 AB 42 0.3 8
Show 20338+4120 CAN 66 AC 190 1.7 8
Show 20338+4120 CAN 66 AD 200 5.8 8
Show 20338+4120 CAN 66 AE 49 14.6 8
Show 20337+4119 CAN 62 AB 246 1.9 9
Show 20337+4119 CAN 62 AC 355 3.4 9
Show 20337+4119 CAN 62 AD 111 6.6 9
Show 20337+4119 CAN 62 AE 109 6.6 9
Show 20337+4119 CAN 62 AF 2 6.9 9
Show 20337+4119 CAN 62 AG 293 7.6 9
Show 20337+4119 CAN 62 AH 357 7.7 9
Show 20337+4119 CAN 62 AI 99 7.9 9
Show 20337+4119 CAN 62 AJ 307 11.4 9
Show 20337+4119 CAN 62 AK 207 13.4 9
Show 20337+4119 CAN 62 AL 172 14.2 9
Show 20336+4116 CAN 61 AB 112 2.3 9
Show 20336+4116 CAN 61 AC 122 3.4 9
Show 20336+4116 CAN 61 AD 323 3.5 9
Show 20336+4116 CAN 61 AE 260 4.5 9
Show 20336+4116 CAN 61 AF 197 5.4 9
Show 20336+4116 CAN 61 AG 350 7.2 9
Show 20336+4116 CAN 61 AH 94 8.0 9
Show 20336+4116 CAN 61 AI 146 8.1 9
Show 20336+4116 CAN 61 AJ 215 9.3 9
Show 20336+4116 CAN 61 AK 75 12.6 9
Show 20335+4115 CAN 60 AB 73 0.7 10
Show 20335+4115 CAN 60 AC 247 6.7 10
Show 20335+4115 CAN 60 AD 43 9.6 10
Show 20335+4115 CAN 60 AE 38 10.2 10
Show 20335+4115 CAN 60 AF 200 10.4 10
Show 20337+4123 CAN 8 AB 258 0.1 10

 
 
WDS 20344+4117 : COMPONENTS
 
 
  A B C D E F G H I J K L
B pa=124.9°
sep=0.45"
 
C pa=58.3°
sep=2.30"
pa=47.2°
sep=2.16"
 
D pa=112.0°
sep=2.53"
pa=109.2°
sep=2.09"
pa=169.8°
sep=2.19"
 
E pa=15.9°
sep=4.32"
pa=10.4°
sep=4.49"
pa=345.3°
sep=3.04"
pa=347.2°
sep=5.23"
 
F pa=41.5°
sep=4.06"
pa=35.1°
sep=4.03"
pa=21.9°
sep=1.97"
pa=5.0°
sep=4.00"
pa=126.4°
sep=1.87"
 
G pa=21.9°
sep=5.23"
pa=17.2°
sep=5.35"
pa=360.0°
sep=3.64"
pa=356.1°
sep=5.81"
pa=47.8°
sep=1.04"
pa=337.7°
sep=1.95"
 
H pa=34.0°
sep=5.94"
pa=29.6°
sep=5.97"
pa=20.2°
sep=3.96"
pa=9.5°
sep=5.96"
pa=70.0°
sep=2.27"
pa=18.4°
sep=1.99"
pa=86.6°
sep=1.37"
 
I pa=183.5°
sep=8.39"
pa=186.3°
sep=8.17"
pa=194.5°
sep=9.90"
pa=201.1°
sep=7.96"
pa=187.7°
sep=12.64"
pa=195.7°
sep=11.86"
pa=190.6°
sep=13.45"
pa=196.1°
sep=13.85"
 
J pa=289.4°
sep=6.51"
pa=290.4°
sep=6.95"
pa=276.7°
sep=8.15"
pa=290.1°
sep=9.03"
pa=254.8°
sep=7.59"
pa=264.3°
sep=8.88"
pa=251.6°
sep=8.53"
pa=253.7°
sep=9.86"
pa=331.9°
sep=11.94"
 
K pa=267.6°
sep=6.76"
pa=269.8°
sep=7.12"
pa=260.3°
sep=8.84"
pa=274.2°
sep=9.12"
pa=240.8°
sep=9.09"
pa=250.6°
sep=10.01"
pa=239.5°
sep=10.10"
pa=242.7°
sep=11.34"
pa=322.4°
sep=10.22"
pa=194.1°
sep=2.52"
 
L pa=6.9°
sep=11.46"
pa=4.9°
sep=11.68"
pa=356.7°
sep=10.18"
pa=355.5°
sep=12.36"
pa=1.5°
sep=7.23"
pa=351.0°
sep=8.44"
pa=354.9°
sep=6.55"
pa=343.1°
sep=6.74"
pa=5.5°
sep=19.84"
pa=39.2°
sep=11.89"
pa=34.9°
sep=14.21"
 
M pa=170.2°
sep=12.23"
pa=171.7°
sep=11.91"
pa=179.4°
sep=13.25"
pa=181.3°
sep=11.10"
pa=176.8°
sep=16.22"
pa=182.3°
sep=15.10"
pa=179.5°
sep=16.89"
pa=184.2°
sep=17.02"
pa=144.6°
sep=4.50"
pa=149.9°
sep=16.42"
pa=143.1°
sep=14.72"
pa=178.2°
sep=23.43"
 
 
20344+4117 A
 
 
Coord arcsec 2000 203421.93+411701.6 Mag 7.6 Spectral class O8III (blue)
 
 
20344+4117 B
 
 
Coord arcsec 2000 203421.96+411701.3 Mag 12.2 Calc delta mag 4.6 Calc coord yes
 
 
20344+4117 C
 
 
Coord arcsec 2000 203422.10+411702.8 Mag 15.8 Calc delta mag 8.2 Calc coord yes
 
 
20344+4117 D
 
 
Coord arcsec 2000 203422.14+411700.7 Mag 14.8 Calc delta mag 7.2 Calc coord yes
 
 
20344+4117 E
 
 
Coord arcsec 2000 203422.04+411705.8 Mag 16.2 Calc delta mag 8.6 Calc coord yes
 
 
20344+4117 F
 
 
Coord arcsec 2000 203422.17+411704.6 Mag 15.3 Calc delta mag 7.7 Calc coord yes
 
 
20344+4117 G
 
 
Coord arcsec 2000 203422.10+411706.4 Mag 15.7 Calc delta mag 8.1 Calc coord yes
 
 
20344+4117 H
 
 
Coord arcsec 2000 203422.22+411706.5 Mag 14.7 Calc delta mag 7.1 Calc coord yes
 
 
20344+4117 I
 
 
Coord arcsec 2000 203421.88+411653.2 Mag 12.3 Calc delta mag 4.7 Calc coord yes
 
 
20344+4117 J
 
 
Coord arcsec 2000 203421.39+411703.8 Mag 15 Calc delta mag 7.4 Calc coord yes
 
 
20344+4117 K
 
 
Coord arcsec 2000 203421.33+411701.3 Mag 14.2 Calc delta mag 6.6 Calc coord yes
 
 
20344+4117 L
 
 
Coord arcsec 2000 203422.05+411713.0 Mag 14.5 Calc delta mag 6.9 Calc coord yes
 
 
20344+4117 M
 
 
Coord arcsec 2000 203422.12+411649.6 Mag 14.1 Calc delta mag 6.5 Calc coord yes