20189+3817 A 1425 AB

 
 
20h 18m 51.71s +38° 16' 46.5" P.A. 266.00 sep 0.2 mag 7.95,8.25 Sp O9III dist. 1086.96 pc (3545.66 l.y.)
 
 
Coord 2000 20189+3817 Discov num A  1425 Comp AB Coord arcsec 2000 20 18 51.71 +38 16 46.5
Date first 1906 Date last 2011 Obs 27
Pa first 297 Pa last 266.2 P.A. Now (θ) 266.2°
Sep first 0.2 Sep last 0.182 Sep. Now (ρ) 0.182"
Mag pri 7.95 Mag sec 8.25 delta mag (ΔM) 0.3 Spectral class O9III (blue)
Pri motion ra -010 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20189+3817 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69815 20 18 52 +38 16 46 A 1425 AB 2011 27 266 0.2 7.95 8.25 0.30 <===
Show 69815 20 18 52 +38 16 46 A 1425 AB,C 2015 7 310 9.1 6.65 13.20 6.55
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69815 HIP 100146 Tycho2 3151-03449-1
Gaia DR2 2061252769282480512 HD 193443 BD BD+37 3879 Distance 1086.96
Distance ly 3545.66
 
 
WDS 20189+3817 A 1425 AB : NOTES
 
 
discov_num notes refcode
A 1425 AB: The classification is from Conti et al. (1977) and refers to the Cti1977
combined AB pair. Msn1998a
 
 
REFERENCES
 
 
refcode metd author reference
Cti1977 - Conti, P., Leep, E.M., & Lorre, J. 1977ApJ...214..759C
Cti1977 ApJ 214, 759, 1977
Msn1998a Sc j Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., 1998AJ....115..821M
Msn1998a ten Brummelaar, T.A., & McAlister, H.A.
Msn1998a AJ 115, 821, 1998
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20189+3817 A 1425 AB 2005 25 259 0.1 8.25 7.95 O9II-III N 201851.71+381646.5
20189+3817 A 1425 AB 2008 27 258 0.1 7.95 8.25 O9II-III N 201851.71+381646.5
20189+3817 A 1425 AB 2011 27 266 0.2 7.95 8.25 O9III N 201851.71+381646.5

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WDS 20189+3817 A 1425 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20189+3817 A 1425 AB : MEASURES
 
 
No records found.

 
 
WDS 20189+3817 : VIRTUAL EYEPIECE
 
 

20189+3817 A  1425A mag 7.95 Sp O9III 20189+3817 A  1425B sep 0.1 P.A. 265.20 mag 8.25 20189+3817 A  1425C sep 8.0 P.A. 317.10 mag 13.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20189+3817 : ALADIN DSS IMAGE @ 20h 18m 51.71s +38° 16' 46.5"
 
 
 
 
WDS 20189+3817 A 1425 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20189+3817  A  1425AB distance=0' 20192+3822  ES 2504 distance=7' 20183+3820  CRB  10 distance=8' 20183+3822  SLE 992 distance=9' 20196+3820  A  1426 distance=10' 20183+3825  ES 2049 distance=12' 20196+3808  SEI1084AB distance=13' 20196+3808  TOB 185AC distance=13' 20182+3803  SLE 991 distance=16' 20198+3806  BKO 826 distance=16' 20194+3831  SLE1001 distance=16' 20183+3802  SLE 993 distance=16' 20176+3806  ES 2502 distance=19' 20178+3802  RBR  25 distance=20' 20189+3839  SLE 996 distance=23' 20206+3806  SLE1009 distance=24' 20195+3754  SLE1003 distance=24' 20177+3836  SEI1069 distance=24' 20176+3835  ALI 927 distance=25' 20173+3834  MLB 951 distance=26' 20202+3838  ES 2052 distance=26' 20202+3755  TDT2182 distance=27' 20173+3837  TDT2141 distance=28' 20202+3840  SLE1006AB distance=28' 20202+3840  SLE1006AC distance=28' 20204+3840  SEI1088AB distance=29' 20204+3840  SEI1089AC distance=29' 20193+3748  SLE1000 distance=29' 20179+3845  SLE 990 distance=30' 20168+3755  SLE 984 distance=33' 20163+3829  SLE 981 distance=33' 20166+3759  ALI 663 distance=33' 20207+3751  TDT2194 distance=34' 20162+3805  SEI1050 distance=35' 20216+3807  SLE1013 distance=35' 20213+3758  SEI1098AB distance=35' 20213+3758  LDS1040AC distance=35' 20197+3743  ES 2505 distance=35' 20198+3852  SLE1004 distance=37' 20208+3748  SEI1095 distance=37' 20216+3836  SEI1102 distance=38' 20161+3837  SEI1049 distance=38' 20177+3740  SLE 989 distance=39' 20160+3758  SEI1048 distance=39' 20158+3759  SLE 978 distance=41' 20157+3800  TDS1054 distance=41' 20219+3835  TDT2208 distance=41' 20169+3743  SLE 985 distance=42' 20185+3735  TDT2155 distance=42' 20212+3745  SLE1011 distance=43' 20192+3859  HO  126AB distance=43' 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 20189+3817 A 1425 AB 266 0.2
Show 20189+3817 A 1425 AB,C 310 9.1
Show 20192+3822 ES 2504 110 7.7 7
Show 20183+3820 CRB 10 39 5.0 8
Show 20183+3822 SLE 992 282 10.3 9
Show 20196+3820 A 1426 259 3.7 10
Show 20183+3825 ES 2049 267 3.2 12
Show 20196+3808 SEI1084 AB 247 26.3 13
Show 20196+3808 TOB 185 AC 259 13.6 13
Show 20182+3803 SLE 991 131 11.8 16
Show 20198+3806 BKO 826 87 4.9 16
Show 20194+3831 SLE1001 216 16.1 16
Show 20183+3802 SLE 993 70 16.4 16
Show 20176+3806 ES 2502 325 5.2 19
Show 20178+3802 RBR 25 107 11.4 20
Show 20189+3839 SLE 996 106 6.6 23
Show 20206+3806 SLE1009 344 15.6 24
Show 20195+3754 SLE1003 129 8.5 24
Show 20177+3836 SEI1069 247 14.6 24
Show 20176+3835 ALI 927 67 5.7 25
Show 20173+3834 MLB 951 321 4.9 26
Show 20202+3838 ES 2052 144 2.5 26
Show 20202+3755 TDT2182 183 0.5 27
Show 20173+3837 TDT2141 96 1.3 28
Show 20202+3840 SLE1006 AB 156 16.0 28
Show 20202+3840 SLE1006 AC 90 18.7 28
Show 20204+3840 SEI1088 AB 238 4.3 29
Show 20204+3840 SEI1089 AC 17 28.2 29
Show 20193+3748 SLE1000 240 12.1 29
Show 20179+3845 SLE 990 274 8.9 30
Show 20168+3755 SLE 984 175 8.2 33
Show 20163+3829 SLE 981 260 11.3 33
Show 20166+3759 ALI 663 58 12.0 33
Show 20207+3751 TDT2194 343 0.6 34
Show 20162+3805 SEI1050 313 3.9 35
Show 20216+3807 SLE1013 351 15.1 35
Show 20213+3758 SEI1098 AB 146 21.7 35
Show 20213+3758 LDS1040 AC 74 206.3 35
Show 20197+3743 ES 2505 247 8.3 35
Show 20198+3852 SLE1004 166 11.2 37
Show 20208+3748 SEI1095 63 24.7 37
Show 20216+3836 SEI1102 337 18.9 38
Show 20161+3837 SEI1049 23 17.0 38
Show 20177+3740 SLE 989 223 8.9 39
Show 20160+3758 SEI1048 121 19.6 39
Show 20158+3759 SLE 978 198 11.8 41
Show 20157+3800 TDS1054 4 0.9 41
Show 20219+3835 TDT2208 268 0.5 41
Show 20169+3743 SLE 985 186 14.1 42
Show 20185+3735 TDT2155 125 0.6 42
Show 20212+3745 SLE1011 37 7.8 43

 
 
WDS 20189+3817 : COMPONENTS
 
 
  A B
B pa=265.2°
sep=0.14"
 
C pa=317.1°
sep=7.99"
pa=317.9°
sep=7.90"
 
 
20189+3817 A
 
 
Coord arcsec 2000 201851.71+381646.5 Mag 7.95 Spectral class O9III (blue) PmRA -10.00
PmDE -13.0 SAO 69815 HIP 100146 Tycho2 3151-03449-1
HD 193443 BD BD+37 3879
Tycho2
Tycho2 3151-03449-1 Pflag RAmdeg 304.71544480 DEmdeg 38.27958440
PmRA -5.3 PmDE -4.3 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.23 EpDEm 1991.34
Num 17 Q RAmdeg 1.8 Q DEmdeg 1.2 Q pmRA 1.8
Q pmDE 1.3 BTmag 7.655 E BTmag 0.015 VTmag 7.301
E VTmag 0.010 Prox 999 TYC T HIP 100146
CCDM AS RAdeg 304.71546139 DEdeg 38.27959417 EpRA 1990 1.55
EpDE 1990 1.65 E RAdeg 4.4 E DEdeg 4.2 Posflg P
Corr 0.1
SAO
SAO 69815 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0.013 Vmag 7.2 SpType B1
Double code Source 5 CatNum 2011 DM BD+37 3879
DMcomp BDsup HD 193443 M HD 0
GC RA1950rad 5.3102588 DE1950rad 0.66535898 PmRA2000 0.0001
PmDE2000 0.011
Hipparcos
Catalog H HIP 100146 Proxy H RAhms 20 18 51.71
DEdms +38 16 46.5 Vmag 7.26 VarFlag R Vmag H
RAdeg 304.715 DEdeg 38.2796 AstroRef * Plx 1.23
CCDM 20189+3817 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AS
Theta 78 Rho 0.15 HD 193443 BD BD+37 3879
CD CP Dm number +37 3879 VIred 0.42
SpType O9III R SpType Coord arcsec 2000 201851.71+381646.5
Hipparcos 2
HIP 100146 Sn 55 So 3 Nc 2
RArad 5.3182881142 DErad 0.6681049966 Plx 0.92 PmRA -3.94
PmDE -6.13 E RArad 0.39 E DErad 0.42 E Plx 0.52
E pmRA 0.43 E pmDE 0.51 Hpmag 7.3342 E Hpmag 0.001
SHp 0.01 VA 0 BV 0.33 E BV 0.009
VI 0.38
CCDM
Ccdm 20189+3817 RComp Comp A Note1
Note2 Discov num DRAs -2.24 DDEs -14.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.5 Sp B1 PmNote *
PmRA -1 PmDE -27 Dm number +37 3879 Cat1 BD
Name2 +38 2011 Cat2 AGK2/3 HD 193443 M HD
ADS BDS A13686 M ADS BDS N IDS IDS 20152N3758A
HIC 100146
 
 
20189+3817 B
 
 
Coord arcsec 2000 201851.70+381646.5 Mag 8.25 Calc delta mag 0.3 Calc coord yes
CCDM
Ccdm 20189+3817 RComp Comp B Note1
Note2 Discov num A 1425 DRAs DDEs
R dRAs Year 1960 Theta 280 Rho 0.2
Obs 7 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13686 M ADS BDS N IDS IDS 20152N3758B
HIC 100146
 
 
20189+3817 C
 
 
Coord arcsec 2000 201851.25+381652.4 Mag 13.2 Calc delta mag 5.25 Calc coord yes
CCDM
Ccdm 20189+3817 RComp Comp C Note1
Note2 Discov num A 1425 DRAs DDEs
R dRAs Year 1906 Theta 310 Rho 8.8
Obs 2 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13686 M ADS BDS N IDS IDS 20152N3758C
HIC 100146