20307+4137 CAN 1 Aa,Ab

 
 
20h 30m 39.82s +41° 36' 50.7" P.A. 91.00 sep 0.3 mag 13.00,15.80 Sp O6V
 
 
Coord 2000 20307+4137 Discov num CAN   1 Comp Aa,Ab Coord arcsec 2000 20 30 39.82 +41 36 50.7
Date first 2006 Date last 2008 Obs 3
Pa first 92 Pa last 90.9 P.A. Now (θ) 90.9°
Sep first 0.3 Sep last 0.32 Sep. Now (ρ) 0.32"
Mag pri 13.00 Mag sec 15.80 delta mag (ΔM) 2.8 Spectral class O6V (blue)
Pri motion ra -003 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
20307+4137 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 30 40 +41 36 51 CAN 1 Aa,Ab 2008 3 91 0.3 13.00 15.80 2.80 <===
Show 20 30 40 +41 36 51 CAN 28 AB 2008 2 336 2.6 8.30 15.60 7.30
Show 20 30 40 +41 36 51 CAN 28 AC 2008 2 342 6.0 8.30 16.00 7.70
Show 20 30 40 +41 36 51 CAN 28 AD 2008 1 168 7.0 8.30 17.20 8.90
Show 20 30 40 +41 36 51 CAN 28 AE 2008 1 337 7.8 8.30 17.60 9.30
Show 20 30 40 +41 36 51 CAN 28 AF 2008 1 20 8.2 8.30 16.70 8.40
Show 20 30 40 +41 36 51 CAN 28 AG 2008 2 158 9.0 8.30 14.30 6.00
Show 20 30 40 +41 36 51 CAN 28 AH 2008 2 284 9.2 8.30 15.40 7.10
Show 20 30 40 +41 36 51 CAN 28 AI 2008 3 44 10.1 8.30 15.10 6.80
Show 20 30 40 +41 36 51 CAN 28 AJ 2008 1 118 10.1 8.30 15.90 7.60
Show 20 30 40 +41 36 51 CAN 28 AK 2008 2 14 10.2 8.30 15.40 7.10
Show 20 30 40 +41 36 51 CAN 28 AL 2008 1 104 10.3 8.30 17.20 8.90
Show 20 30 40 +41 36 51 CAN 28 AM 2008 1 77 12.0 8.30 16.80 8.50
Show 20 30 40 +41 36 51 CAN 28 AN 2008 2 2 13.4 9.10 15.70 6.60
Show 20 30 40 +41 36 51 CAN 28 AO 2008 2 281 13.8 9.10 16.70 7.60
16-fold system
15 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus
 
 
WDS 20307+4137 CAN 1 Aa,Ab : NOTES
 
 
discov_num notes refcode
CAN 1 [MT91] 5. Primary is an O6 star in the Cygnus OB2 Association.
Caballero-Nieves et al. (2014) find some suggestion that the primary
may itself have a close companion. CaN2014
 
 
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20307+4137 CAN 1 Aa,Ab 2008 3 91 0.3 13.00 15.80 O6V NV 203039.82+413650.7

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WDS 20307+4137 CAN 1 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20307+4137 CAN 1 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 20307+4137 : VIRTUAL EYEPIECE
 
 

20307+4137 CAN  28A mag 8.3 Sp O6V 20307+4137 CAN   1Ab sep 0.2 P.A. 91.20 mag 15.8 20307+4137 CAN  28B sep 2.5 P.A. 341.30 mag 15.6 20307+4137 CAN  28C sep 5.9 P.A. 346.00 mag 16 20307+4137 CAN  28D sep 6.9 P.A. 170.80 mag 17.2 20307+4137 CAN  28E sep 7.5 P.A. 342.10 mag 17.6 20307+4137 CAN  28F sep 8.0 P.A. 15.20 mag 16.7 20307+4137 CAN  28G sep 8.7 P.A. 163.40 mag 14.3 20307+4137 CAN  28H sep 7.1 P.A. 288.40 mag 15.4 20307+4137 CAN  28I sep 8.9 P.A. 35.40 mag 15.1 20307+4137 CAN  28J sep 8.2 P.A. 125.50 mag 15.9 20307+4137 CAN  28K sep 10.1 P.A. 10.70 mag 15.4 20307+4137 CAN  28L sep 7.9 P.A. 108.80 mag 17.2 20307+4137 CAN  28M sep 9.1 P.A. 73.20 mag 16.8 20307+4137 CAN  28N sep 13.4 P.A. 1.20 mag 15.7 20307+4137 CAN  28O sep 10.4 P.A. 284.70 mag 16.7 virtual eyepiece
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Radius:
Components only
 
 
WDS 20307+4137 : ALADIN DSS IMAGE @ 20h 30m 39.82s +41° 36' 50.7"
 
 
 
 
WDS 20307+4137 CAN 1 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20307+4137  CAN   1Aa,Ab distance=0' 20312+4137  J  1196 distance=6' 20312+4132  CAN   3AB distance=8' 20312+4132  CAN  29AC distance=8' 20314+4131  CAN  31AB distance=10' 20314+4131  CAN  31AC distance=10' 20298+4143  GRV 344 distance=12' 20317+4143  HJ 1530 distance=13' 20300+4149  J   130 distance=14' 20301+4124  CAN  14AB distance=15' 20301+4124  CAN  14AC distance=15' 20301+4124  CAN  14AD distance=15' 20301+4124  CAN  14AE distance=15' 20301+4124  CAN  14AF distance=15' 20301+4124  CAN  14AG distance=15' 20301+4124  CAN  14AH distance=15' 20301+4124  CAN  14AI distance=15' 20301+4124  CAN  14AJ distance=15' 20301+4124  CAN  14AK distance=15' 20301+4124  CAN  14AL distance=15' 20315+4148  BRT2265 distance=15' 20318+4128  CAN  34AB distance=16' 20318+4128  CAN  34AC distance=16' 20318+4128  CAN  34AD distance=16' 20318+4128  CAN  34AE distance=16' 20318+4128  CAN  34AF distance=16' 20318+4128  CAN  34AG distance=16' 20318+4128  CAN  34AH distance=16' 20318+4128  CAN  34AI distance=16' 20318+4128  CAN  34AJ distance=16' 20318+4128  CAN  34AK distance=16' 20318+4128  CAN  34AL distance=16' 20318+4128  CAN  34AM distance=16' 20318+4128  CAN  34AN distance=16' 20316+4149  TDT2338 distance=16' 20313+4121  MZA  39AB distance=18' 20313+4121  CAN  30AC distance=18' 20313+4121  CAN  30AD distance=18' 20313+4121  CAN  30AE distance=18' 20313+4121  CAN  30AF distance=18' 20313+4121  CAN  30AG distance=18' 20313+4121  CAN  30AH distance=18' 20313+4121  CAN  30AI distance=18' 20322+4127  MZA  24BC distance=20' 20322+4127  CAN  35BD distance=20' 20322+4127  CAN  35BE distance=20' 20322+4127  CAN  35BF distance=20' 20322+4127  CAN  35BG distance=20' 20322+4127  MZA  24AB distance=21' 20322+4127  MZA  24AC distance=21' 20322+4127  CAN  35AH distance=21' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20307+4137 CAN 1 Aa,Ab 91 0.3
Show 20307+4137 CAN 28 AB 336 2.6
Show 20307+4137 CAN 28 AC 342 6.0
Show 20307+4137 CAN 28 AD 168 7.0
Show 20307+4137 CAN 28 AE 337 7.8
Show 20307+4137 CAN 28 AF 20 8.2
Show 20307+4137 CAN 28 AG 158 9.0
Show 20307+4137 CAN 28 AH 284 9.2
Show 20307+4137 CAN 28 AI 44 10.1
Show 20307+4137 CAN 28 AJ 118 10.1
Show 20307+4137 CAN 28 AK 14 10.2
Show 20307+4137 CAN 28 AL 104 10.3
Show 20307+4137 CAN 28 AM 77 12.0
Show 20307+4137 CAN 28 AN 2 13.4
Show 20307+4137 CAN 28 AO 281 13.8
Show 20312+4137 J 1196 9 4.7 6
Show 20312+4132 CAN 3 AB 342 1.2 8
Show 20312+4132 CAN 29 AC 152 6.3 8
Show 20314+4131 CAN 31 AB 116 3.9 10
Show 20314+4131 CAN 31 AC 30 6.0 10
Show 20298+4143 GRV 344 34 20.5 12
Show 20317+4143 HJ 1530 242 16.2 13
Show 20300+4149 J 130 265 2.5 14
Show 20301+4124 CAN 14 AB 190 4.2 15
Show 20301+4124 CAN 14 AC 99 4.4 15
Show 20301+4124 CAN 14 AD 114 5.6 15
Show 20301+4124 CAN 14 AE 212 6.7 15
Show 20301+4124 CAN 14 AF 316 8.3 15
Show 20301+4124 CAN 14 AG 1 9.5 15
Show 20301+4124 CAN 14 AH 74 9.6 15
Show 20301+4124 CAN 14 AI 356 9.7 15
Show 20301+4124 CAN 14 AJ 17 9.8 15
Show 20301+4124 CAN 14 AK 241 12.6 15
Show 20301+4124 CAN 14 AL 52 12.7 15
Show 20315+4148 BRT2265 285 5.4 15
Show 20318+4128 CAN 34 AB 276 2.9 16
Show 20318+4128 CAN 34 AC 328 3.0 16
Show 20318+4128 CAN 34 AD 63 3.5 16
Show 20318+4128 CAN 34 AE 177 4.8 16
Show 20318+4128 CAN 34 AF 112 5.4 16
Show 20318+4128 CAN 34 AG 92 5.9 16
Show 20318+4128 CAN 34 AH 148 8.3 16
Show 20318+4128 CAN 34 AI 295 9.5 16
Show 20318+4128 CAN 34 AJ 341 9.5 16
Show 20318+4128 CAN 34 AK 7 9.6 16
Show 20318+4128 CAN 34 AL 105 9.6 16
Show 20318+4128 CAN 34 AM 282 12.0 16
Show 20318+4128 CAN 34 AN 7 12.3 16
Show 20316+4149 TDT2338 200 2.5 16
Show 20313+4121 MZA 39 AB 215 4.4 18
Show 20313+4121 CAN 30 AC 185 6.6 18

 
 
WDS 20307+4137 : COMPONENTS
 
 
  A Ab B C D E F G H I J K L M N
Ab pa=91.2°
sep=0.24"
 
B pa=341.3°
sep=2.54"
pa=336.4°
sep=2.63"
 
C pa=346.0°
sep=5.87"
pa=343.7°
sep=5.93"
pa=349.5°
sep=3.34"
 
D pa=170.8°
sep=6.92"
pa=172.8°
sep=6.88"
pa=168.3°
sep=9.43"
pa=168.6°
sep=12.77"
 
E pa=342.1°
sep=7.48"
pa=340.4°
sep=7.56"
pa=342.5°
sep=4.94"
pa=328.3°
sep=1.67"
pa=346.3°
sep=14.35"
 
F pa=15.2°
sep=7.99"
pa=13.5°
sep=7.93"
pa=28.8°
sep=6.05"
pa=60.2°
sep=4.06"
pa=3.9°
sep=14.57"
pa=82.3°
sep=4.44"
 
G pa=163.4°
sep=8.72"
pa=164.9°
sep=8.65"
pa=162.9°
sep=11.26"
pa=164.4°
sep=14.58"
pa=137.5°
sep=2.07"
pa=162.8°
sep=16.20"
pa=178.6°
sep=16.07"
 
H pa=288.4°
sep=7.06"
pa=287.9°
sep=7.29"
pa=268.3°
sep=5.88"
pa=236.7°
sep=6.30"
pa=319.3°
sep=11.96"
pa=222.0°
sep=6.57"
pa=238.1°
sep=10.36"
pa=319.0°
sep=14.02"
 
I pa=35.4°
sep=8.95"
pa=34.1°
sep=8.82"
pa=50.8°
sep=7.74"
pa=76.3°
sep=6.79"
pa=16.1°
sep=14.70"
pa=88.6°
sep=7.48"
pa=97.5°
sep=3.11"
pa=9.7°
sep=15.88"
pa=66.9°
sep=12.91"
 
J pa=125.5°
sep=8.18"
pa=126.5°
sep=7.98"
pa=133.8°
sep=10.34"
pa=142.3°
sep=13.20"
pa=69.5°
sep=5.93"
pa=143.0°
sep=14.87"
pa=159.9°
sep=13.27"
pa=49.1°
sep=5.50"
pa=117.6°
sep=15.07"
pa=173.0°
sep=12.14"
 
K pa=10.7°
sep=10.09"
pa=9.4°
sep=10.06"
pa=19.7°
sep=7.98"
pa=38.0°
sep=5.36"
pa=2.6°
sep=16.77"
pa=56.1°
sep=5.03"
pa=354.3°
sep=2.22"
pa=358.0°
sep=18.28"
pa=48.1°
sep=11.51"
pa=308.4°
sep=4.21"
pa=342.0°
sep=15.43"
 
L pa=108.8°
sep=7.91"
pa=109.4°
sep=7.69"
pa=120.8°
sep=9.67"
pa=132.8°
sep=12.14"
pa=56.2°
sep=7.69"
pa=134.6°
sep=13.76"
pa=152.3°
sep=11.59"
pa=40.7°
sep=7.65"
pa=108.6°
sep=14.97"
pa=166.8°
sep=10.12"
pa=20.8°
sep=2.35"
pa=155.8°
sep=13.68"
 
M pa=73.2°
sep=9.12"
pa=72.7°
sep=8.89"
pa=88.6°
sep=9.55"
pa=106.8°
sep=10.60"
pa=38.9°
sep=12.15"
pa=112.1°
sep=11.91"
pa=127.4°
sep=8.35"
pa=29.6°
sep=12.63"
pa=88.5°
sep=15.43"
pa=142.7°
sep=5.86"
pa=15.7°
sep=7.67"
pa=136.8°
sep=10.00"
pa=13.4°
sep=5.33"
 
N pa=1.2°
sep=13.40"
pa=0.2°
sep=13.40"
pa=5.7°
sep=11.04"
pa=12.5°
sep=7.89"
pa=357.7°
sep=20.24"
pa=22.3°
sep=6.79"
pa=342.3°
sep=5.97"
pa=354.2°
sep=21.86"
pa=32.0°
sep=13.16"
pa=321.2°
sep=7.82"
pa=340.6°
sep=19.23"
pa=335.3°
sep=3.83"
pa=335.7°
sep=17.50"
pa=321.9°
sep=13.68"
 
O pa=284.7°
sep=10.44"
pa=284.4°
sep=10.68"
pa=271.5°
sep=9.29"
pa=250.7°
sep=9.20"
pa=310.2°
sep=14.68"
pa=240.2°
sep=8.99"
pa=247.5°
sep=13.20"
pa=311.1°
sep=16.73"
pa=277.0°
sep=3.43"
pa=253.1°
sep=15.97"
pa=293.8°
sep=18.32"
pa=238.8°
sep=14.01"
pa=286.5°
sep=18.35"
pa=270.1°
sep=18.83"
pa=224.0°
sep=14.94"
 
 
20307+4137 A
 
 
Coord arcsec 2000 203039.82+413650.7 Mag 8.3 Spectral class O6V (blue) PmRA -3.00
PmDE -2.0
 
 
20307+4137 Ab
 
 
Coord arcsec 2000 203039.84+413650.7 Mag 15.8 Calc delta mag 2.8 Calc coord yes
 
 
20307+4137 B
 
 
Coord arcsec 2000 203039.75+413653.1 Mag 15.6 Calc delta mag 2.6 Calc coord yes
 
 
20307+4137 C
 
 
Coord arcsec 2000 203039.69+413656.4 Mag 16 Calc delta mag 3 Calc coord yes
 
 
20307+4137 D
 
 
Coord arcsec 2000 203039.92+413643.9 Mag 17.2 Calc delta mag 4.2 Calc coord yes
 
 
20307+4137 E
 
 
Coord arcsec 2000 203039.61+413657.8 Mag 17.6 Calc delta mag 4.6 Calc coord yes
 
 
20307+4137 F
 
 
Coord arcsec 2000 203040.01+413658.4 Mag 16.7 Calc delta mag 3.7 Calc coord yes
 
 
20307+4137 G
 
 
Coord arcsec 2000 203040.04+413642.3 Mag 14.3 Calc delta mag 1.3 Calc coord yes
 
 
20307+4137 H
 
 
Coord arcsec 2000 203039.22+413652.9 Mag 15.4 Calc delta mag 2.4 Calc coord yes
 
 
20307+4137 I
 
 
Coord arcsec 2000 203040.28+413658.0 Mag 15.1 Calc delta mag 2.1 Calc coord yes
 
 
20307+4137 J
 
 
Coord arcsec 2000 203040.41+413645.9 Mag 15.9 Calc delta mag 2.9 Calc coord yes
 
 
20307+4137 K
 
 
Coord arcsec 2000 203039.99+413700.6 Mag 15.4 Calc delta mag 2.4 Calc coord yes
 
 
20307+4137 L
 
 
Coord arcsec 2000 203040.49+413648.1 Mag 17.2 Calc delta mag 4.2 Calc coord yes
 
 
20307+4137 M
 
 
Coord arcsec 2000 203040.60+413653.3 Mag 16.8 Calc delta mag 3.8 Calc coord yes
 
 
20307+4137 N
 
 
Coord arcsec 2000 203039.84+413704.1 Mag 15.7 Calc delta mag 2.7 Calc coord yes
 
 
20307+4137 O
 
 
Coord arcsec 2000 203038.92+413653.4 Mag 16.7 Calc delta mag 3.7 Calc coord yes