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Current system
20134+3844
BLL 47 AC


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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20134+3844 BLL 47 AC

 
 
20h 13m 23.66s +38° 43' 44.5" P.A. 106.00 sep 154.0 mag 8.00,9.50 Sp CII dist. 473.93 pc (1545.96 l.y.)
 
 
Coord 2000 20134+3844 Discov num BLL  47 Comp AC Coord arcsec 2000 20 13 23.66 +38 43 44.5
Date first 1878 Date last 2015 Obs 21
Pa first 106 Pa last 105.8 P.A. Now (θ) 105.8°
Sep first 156.0 Sep last 153.999 Sep. Now (ρ) 153.999"
Mag pri 8.00 Mag sec 9.50 delta mag (ΔM) 1.5 Spectral class CII (red carbon star)
Pri motion ra +009 Sec motion ra -008
Pri motion dec +002 Sec motion dec +001
Notes N (See Notes)
rPM=1.847
This double is not physical.
 
 
20134+3844 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show RS Cyg 69636 20 13 24 +38 43 44 BLL 47 AB 2015 24 354 131.7 8.00 7.15 0.85
Show 69636 20 13 24 +38 43 44 BLL 47 AC 2015 21 106 154.0 8.00 9.50 1.50 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name RS Cyg Constellation Cygnus SAO 69636 HIP 99653
Tycho2 3151-00539-1 Gaia DR2 2061720267887555840 HD 192443 BD BD+38 3957
Distance 473.93 Distance ly 1545.96
 
 
WDS 20134+3844 BLL 47 AC : NOTES
 
 
discov_num notes refcode
BLL 47 A is the semiregular variable RS Cyg.
B is BD+38@3956.
 
 
REFERENCES
 
 
refcode metd author reference
Bll1872 orb - Ball, R.S. .
Bll1872 Proc. Royal Irish Acad., June 1872
Bll1884 Ma j Ball, R.S. 1884DunOP...5....1B
Bll1884 Pub. Dunsink Obs. 5, 1, 1884
Bll1913A Ma - Ball, R.S. 1913QB811.B8.......
Bll1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Bll1932A - Ball, R.S. 1932QB821.A43......
Bll1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20134+3844 BLL 47 AC 2003 15 106 154.1 8.00 9.50 N D 201323.66+384344.5
20134+3844 BLL 47 AC 2012 17 106 154.1 8.00 9.50 N D 201323.66+384344.5
20134+3844 BLL 47 AC 2015 18 106 154.0 8.00 9.50 CII N 201323.66+384344.5

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

 
 
WDS 20134+3844 BLL 47 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20134+3844 BLL 47 AC : MEASURES
 
 
No records found.

 
 
WDS 20134+3844 : VIRTUAL EYEPIECE
 
 

20134+3844 BLL 47A mag 8 Sp CII 20134+3844 BLL 47B sep 131.4 P.A. 355.20 mag 7.15 20134+3844 BLL 47C sep 123.0 P.A. 109.90 mag 9.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20134+3844 : ALADIN DSS IMAGE @ 20h 13m 23.66s +38° 43' 44.5"
 
 
 
 
WDS 20134+3844 BLL 47 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20134+3844 BLL 47AB distance=1' 20134+3844 BLL 47AC distance=1' 20134+3835 SLE 966 distance=10' 20135+3828 TDT2103AB distance=16' 20135+3828 ES 2121AC distance=16' 20146+3855 ES 2047BC distance=19' 20143+3829 SLE 970 distance=19' 20146+3855 ES 2047AB distance=19' 20146+3855 ES 2047AD distance=19' 20146+3855 ES 2047AE distance=19' 20117+3843 TDT2073 distance=21' 20150+3837 SLE 976 distance=21' 20133+3905 SEI1017 distance=21' 20122+3827 STT 401 distance=23' 20116+3853 A 1418 distance=23' 20148+3827 A 1421 distance=24' 20132+3820 SLE 965 distance=24' 20144+3822 SEI1038 distance=25' 20113+3855 DAM 199 distance=27' 20112+3854 MLB 950 distance=28' 20135+3912 SEI1025AB distance=29' 20135+3912 SEI1025AC distance=29' 20147+3820 SLE 972 distance=29' 20149+3821 SLE 973 distance=30' 20140+3814 SLE 968 distance=31' 20114+3824 SLE 955 distance=31' 20115+3823 SLE 956 distance=31' 20151+3820 SLE 977 distance=32' 20122+3912 TDT2079 distance=32' 20109+3857 DAM 198 distance=32' 20161+3854 CHR 95 distance=33' 20161+3837 SEI1049 distance=34' 20128+3916 SEI1013 distance=34' 20160+3856 ALI 926 distance=34' 20159+3859 BRT2230 distance=34' 20107+3900 ES 2046 distance=36' 20156+3910 SEI1046 distance=37' 20163+3829 SLE 981 distance=38' 20122+3810 SEI 998 distance=38' 20149+3809 TDT2119 distance=39' 20144+3920 SEI1039AB distance=40' 20144+3920 TOB 182AC distance=40' 20124+3804 SEI1000 distance=42' 20101+3826 ALI 921 distance=43' 20144+3801 SLE 971 distance=45' 20125+3759 TDT2086 distance=46' 20173+3834 MLB 951 distance=47' 20173+3837 TDT2141 distance=47' 20176+3835 ALI 927 distance=50' 20141+3755 SEI1033 distance=50' 20151+3929 MLB 982BC distance=51' 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 20134+3844 BLL 47 AB 354 131.7 1
Show 20134+3844 BLL 47 AC 106 154.0 1
Show 20134+3835 SLE 966 262 11.3 10
Show 20135+3828 TDT2103 AB 181 1.1 16
Show 20135+3828 ES 2121 AC 233 3.5 16
Show 20146+3855 ES 2047 BC 197 4.7 19
Show 20143+3829 SLE 970 234 11.9 19
Show 20146+3855 ES 2047 AB 174 33.2 19
Show 20146+3855 ES 2047 AD 103 10.6 19
Show 20146+3855 ES 2047 AE 106 27.6 19
Show 20117+3843 TDT2073 151 1.6 21
Show 20150+3837 SLE 976 90 6.8 21
Show 20133+3905 SEI1017 259 28.3 21
Show 20122+3827 STT 401 69 12.8 23
Show 20116+3853 A 1418 330 3.0 23
Show 20148+3827 A 1421 8 1.8 24
Show 20132+3820 SLE 965 118 7.5 24
Show 20144+3822 SEI1038 197 3.1 25
Show 20113+3855 DAM 199 70 6.5 27
Show 20112+3854 MLB 950 185 4.2 28
Show 20135+3912 SEI1025 AB 168 5.7 29
Show 20135+3912 SEI1025 AC 256 26.6 29
Show 20147+3820 SLE 972 114 11.1 29
Show 20149+3821 SLE 973 131 8.7 30
Show 20140+3814 SLE 968 155 10.8 31
Show 20114+3824 SLE 955 27 15.2 31
Show 20115+3823 SLE 956 236 9.9 31
Show 20151+3820 SLE 977 279 7.3 32
Show 20122+3912 TDT2079 32 1.9 32
Show 20109+3857 DAM 198 263 6.4 32
Show 20161+3854 CHR 95 56 0.2 33
Show 20161+3837 SEI1049 23 17.0 34
Show 20128+3916 SEI1013 330 20.6 34
Show 20160+3856 ALI 926 282 8.6 34
Show 20159+3859 BRT2230 297 6.0 34
Show 20107+3900 ES 2046 100 6.2 36
Show 20156+3910 SEI1046 249 1.5 37
Show 20163+3829 SLE 981 260 11.3 38
Show 20122+3810 SEI 998 104 3.9 38
Show 20149+3809 TDT2119 95 0.6 39
Show 20144+3920 SEI1039 AB 135 10.7 40
Show 20144+3920 TOB 182 AC 194 43.2 40
Show 20124+3804 SEI1000 145 19.1 42
Show 20101+3826 ALI 921 200 6.9 43
Show 20144+3801 SLE 971 228 18.9 45
Show 20125+3759 TDT2086 104 2.2 46
Show 20173+3834 MLB 951 321 4.9 47
Show 20173+3837 TDT2141 96 1.3 47
Show 20176+3835 ALI 927 67 5.7 50
Show 20141+3755 SEI1033 342 20.0 50
Show 20151+3929 MLB 982 BC 355 6.0 51

 
 
WDS 20134+3844 : COMPONENTS
 
 
  A B
B pa=355.2°
sep=131.40"
 
C pa=109.9°
sep=122.98"
pa=143.8°
sep=214.21"
 
 
20134+3844 A
 
 
Var name RS Cyg Coord arcsec 2000 201323.66+384344.5 Mag 8 Spectral class CII (red carbon star)
PmRA 9.00 PmDE 2.0 SAO 69636 HIP 99653
Tycho2 3151-00539-1 HD 192443 GC 28087 BD BD+38 3957
Tycho2
Tycho2 3151-00539-1 Pflag RAmdeg 303.34858922 DEmdeg 38.72901702
PmRA 8.8 PmDE 1.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.18 EpDEm 1991.24
Num 11 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.6 BTmag 11.292 E BTmag 0.064 VTmag 7.995
E VTmag 0.012 Prox 999 TYC T HIP 99653
CCDM RAdeg 303.34856278 DEdeg 38.72901306 EpRA 1990 1.68
EpDE 1990 1.72 E RAdeg 6.8 E DEdeg 7.3 Posflg
Corr 0.1
SAO
SAO 69636 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.002 Vmag 6.8 SpType N0p
Double code Source 70 CatNum 28087 DM BD+38 3957
DMcomp BDsup HD 192443 M HD 0
GC 28087 RA1950rad 5.28649632 DE1950rad 0.67329179 PmRA2000 -0.0003
PmDE2000 -0.004
Hipparcos
Catalog H HIP 99653 Proxy RAhms 20 13 23.66
DEdms +38 43 44.5 Vmag 7.61 VarFlag 3 R Vmag H
RAdeg 303.349 DEdeg 38.729 AstroRef * Plx 1.81
CCDM 20134+3844 N CCDM I Nsys 2 Ncomp 1
MultFlag V Source Qual M HIP
Theta Rho HD 192443 BD BD+38 3957
CD CP Dm number +38 3957 VIred 2.87
SpType C5II R SpType Coord arcsec 2000 201323.66+384344.5
Hipparcos 2
HIP 99653 Sn 3 So 5 Nc 1
RArad 5.2944312396 DErad 0.6759488459 Plx 2.11 PmRA 9.05
PmDE 1.9 E RArad 0.67 E DErad 0.74 E Plx 0.89
E pmRA 0.84 E pmDE 0.89 Hpmag 7.5547 E Hpmag 0.0916
SHp 0.578 VA 1 BV 2.86 E BV 0.51
VI 2.87
CCDM
Ccdm 20134+3844 RComp Comp A Note1
Note2 Discov num DRAs -0.37 DDEs -17.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag Sp PE PmNote *
PmRA 3 PmDE -25 Dm number +38 3957 Cat1 BD
Name2 +38 1989 Cat2 AGK2/3 HD 192443 M HD
ADS BDS M ADS BDS N IDS IDS 20097N3826A
HIC 99653
 
 
20134+3844 B
 
 
Coord arcsec 2000 201322.73+384555.4 Mag 7.15 PmRA -3.00 PmDE -5.0
SAO 69635 HIP 99649 Tycho2 3151-01358-1 HD 192422
GC 28086 BD BD+38 3956 Calc delta mag 0.85 Calc coord yes
Tycho2
Tycho2 3151-01358-1 Pflag RAmdeg 303.34367295 DEmdeg 38.76541233
PmRA -1.9 PmDE -6.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.30 EpDEm 1991.37
Num 17 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 7.601 E BTmag 0.015 VTmag 7.153
E VTmag 0.010 Prox 999 TYC T HIP 99649
CCDM RAdeg 303.34367889 DEdeg 38.76542611 EpRA 1990 1.62
EpDE 1990 1.67 E RAdeg 4.2 E DEdeg 4.2 Posflg
Corr 0.1
SAO
SAO 69635 DelFlag RA1950 PmRA1950 -0.0015
DE1950 PmDE1950 -0.004 Vmag 7.1 SpType B2
Double code Source 70 CatNum 28086 DM BD+38 3956
DMcomp BDsup HD 192422 M HD 0
GC 28086 RA1950rad 5.2864169 DE1950rad 0.67393184 PmRA2000 -0.0012
PmDE2000 -0.006
Hipparcos
Catalog H HIP 99649 Proxy RAhms 20 13 22.48
DEdms +38 45 55.5 Vmag 7.08 VarFlag 1 R Vmag H
RAdeg 303.344 DEdeg 38.7654 AstroRef Plx 1.17
CCDM 20134+3844 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 192422 BD BD+38 3956
CD CP Dm number +38 3956 VIred 0.57
SpType B0.5Ib R SpType Coord arcsec 2000 201322.48+384555.5
Hipparcos 2
HIP 99649 Sn 5 So 0 Nc 1
RArad 5.294345993 DErad 0.6765843408 Plx 1.22 PmRA -2.82
PmDE -5.24 E RArad 0.31 E DErad 0.3 E Plx 0.4
E pmRA 0.32 E pmDE 0.33 Hpmag 7.1912 E Hpmag 0.0016
SHp 0.014 VA 0 BV 0.5 E BV 0.01
VI 0.57
CCDM
Ccdm 20134+3844 RComp Comp B Note1
Note2 Discov num BUP DRAs -1.53 DDEs 114.8
R dRAs 10 Year 1879 Theta 355 Rho 132.4
Obs 2 Vmag 7.1 Sp B2 PmNote *
PmRA -5 PmDE -14 Dm number +38 3956 Cat1 BD
Name2 +38 1988 Cat2 AGK2/3 HD 192422 M HD
ADS BDS M ADS BDS N N IDS IDS 20097N3826B
HIC 99649
 
 
20134+3844 C
 
 
Coord arcsec 2000 201333.54+384302.6 Mag 9.5 PmRA -8.00 PmDE 1.0
Calc delta mag 1.5 Calc coord yes
CCDM
Ccdm 20134+3844 RComp Comp C Note1
Note2 Discov num BUP DRAs DDEs
R dRAs Year 1878 Theta 106 Rho 55.9
Obs 3 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20097N3826C
HIC