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Doubles in session


Current system
20074+3543
STT 398 AB
HD 191201


Nearby doubles
6' : 20074+3537
ALI 181

7' : 20069+3545
SEI 886AB

7' : 20069+3546
SEI 885

8' : 20075+3535
COU2126

9' : 20073+3534
ES 2248AB

10' : 20073+3553
SEI 892AB

10' : 20066+3544
RAO 518

11' : 20074+3553
SEI 894AB

11' : 20075+3553
SEI 896

13' : 20072+3531
SEI 890AB

13' : 20064+3543
SEI 877AB

13' : 20070+3554
SEI 887AB

14' : 20081+3554
TDS1043

16' : 20063+3538
SEI 871AB

16' : 20062+3544
SEI 867AB

16' : 20063+3535
SEI 873AB

17' : 20060+3546
ES 25AB

18' : 20062+3551
SEI 869

18' : 20060+3545
SEI 858AB

19' : 20060+3547
BU 440AB

19' : 20059+3542
SEI 854

20' : 20084+3528
ES 203

20' : 20064+3558
BUP 204AB

21' : 20059+3552
SEI 856

21' : 20086+3529
TDS1046

21' : 20077+3523
BKO 93AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20074+3543 STT 398 AB (HD 191201)

 
 
20h 07m 23.69s +35° 43' 05.9" P.A. 82.00 sep 1.0 mag 7.45,9.20 Sp O9.5III+ dist. 628.93 pc (2051.57 l.y.)
 
 
Coord 2000 20074+3543 Discov num STT 398 Comp AB Coord arcsec 2000 20 07 23.69 +35 43 05.9
Date first 1845 Date last 2015 Obs 35
Pa first 62 Pa last 82 P.A. Now (θ) 82°
Sep first 0.8 Sep last 0.96 Sep. Now (ρ) 0.96"
Mag pri 7.45 Mag sec 9.20 delta mag (ΔM) 1.75 Spectral class O9.5III+ (blue)
Pri motion ra -007 Sec motion ra -007
Pri motion dec -002 Sec motion dec -002
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20074+3543 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 191201 69446 20 07 24 +35 43 06 STT 398 AB 2015 35 82 1.0 7.45 9.20 1.75 <===
Show 69446 20 07 24 +35 43 06 A 280 AC 2015 3 133 5.7 7.45 14.60 7.15
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191201 Constellation Cygnus SAO 69446 HIP 99122
Tycho2 2683-03993-1 Gaia DR2 2059046010782859392 HD 191201 BD BD+35 3970
Distance 628.93 Distance ly 2051.57
 
 
WDS 20074+3543 STT 398 AB (HD 191201) : NOTES
 
 
discov_num notes refcode
STT 398 A is a spectroscopic binary.
AB: The classification and orbit are from Burkholder et al. (1997 ApJ
490, 328). Msn1998a
 
 
REFERENCES
 
 
refcode metd author reference
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.
312 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20074+3543 STT 398 AB 2005 24 82 1.0 7.45 9.20 B0IV N D 200723.69+354305.9
20074+3543 STT 398 AB 2007 27 83 1.0 7.45 9.20 B0IV N D 200723.69+354305.9
20074+3543 STT 398 AB 2009 28 81 0.9 7.45 9.20 B0IV N D 200723.69+354305.9
20074+3543 STT 398 AB 2012 31 81 1.0 7.45 9.20 B0IV N 200723.69+354305.9
20074+3543 STT 398 AB 2015 32 82 1.0 7.45 9.20 B0IV N 200723.69+354305.9

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

 
 
WDS 20074+3543 STT 398 AB (HD 191201) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20074+3543 STT 398 AB (HD 191201) : MEASURES
 
 
No records found.

 
 
WDS 20074+3543 (HD 191201) : VIRTUAL EYEPIECE
 
 

20074+3543 STT 398A mag 7.45 Sp O9.5III 20074+3543 STT 398B sep 0.8 P.A. 80.20 mag 9.2 20074+3543 A 280C sep 5.2 P.A. 138.80 mag 14.6 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 20074+3543 (HD 191201) : ALADIN DSS IMAGE @ 20h 07m 23.69s +35° 43' 05.9"
 
 
 
 
WDS 20074+3543 STT 398 AB (HD 191201) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20074+3543 STT 398AB distance=0' 20074+3537 ALI 181 distance=6' 20069+3545 BKO 88BD distance=6' 20069+3545 BKO 88EF distance=7' 20069+3545 BKO 88EG distance=7' 20069+3545 SEI 886AB distance=7' 20069+3545 BKO 88AC distance=7' 20069+3545 BKO 88AE distance=7' 20069+3546 SEI 885 distance=7' 20075+3535 COU2126 distance=8' 20073+3534 SEI 893CD distance=9' 20073+3534 COU2125Aa,Ab distance=9' 20073+3534 ES 2248AB distance=9' 20073+3534 ES 2248AC distance=9' 20073+3553 SEI 892AB distance=10' 20073+3553 BKO 91AC distance=10' 20073+3553 BKO 91AD distance=10' 20066+3544 RAO 518 distance=10' 20074+3553 SEI 894AB distance=11' 20073+3553 BKO 91DE distance=11' 20075+3553 SEI 896 distance=11' 20074+3553 BKO 92BC distance=11' 20072+3531 SEI 890AB distance=13' 20072+3531 BKO 90AC distance=13' 20064+3543 SEI 877AB distance=13' 20064+3543 BKO 84AC distance=13' 20070+3554 SEI 887AB distance=13' 20070+3554 SEI 888AC distance=13' 20081+3554 TDS1043 distance=14' 20063+3538 SEI 871AB distance=16' 20063+3538 SEI 872AC distance=16' 20062+3544 SEI 867AB distance=16' 20062+3544 BKO 82AC distance=16' 20062+3544 BKO 82AD distance=16' 20063+3535 SEI 873AB distance=16' 20063+3535 BKO 83AC distance=16' 20063+3535 BKO 83AE distance=16' 20063+3535 BKO 83AG distance=16' 20063+3535 BKO 83AI distance=16' 20063+3535 TOI1335Aa,Ab distance=16' 20063+3535 BKO 83EF distance=16' 20060+3546 SEI 865EG distance=17' 20063+3535 BKO 83CD distance=17' 20060+3546 ES 25AB distance=17' 20060+3546 ES 25AC distance=17' 20060+3546 SHJ 315AD distance=17' 20060+3546 WAL 127AE distance=17' 20060+3546 ES 25AF distance=17' 20062+3551 SEI 869 distance=18' 20060+3545 SEI 858AB distance=18' 20060+3545 SEI 857AC distance=18' 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 20074+3543 STT 398 AB 82 1.0
Show 20074+3543 A 280 AC 133 5.7
Show 20074+3537 ALI 181 219 14.6 6
Show 20069+3545 BKO 88 BD 251 8.9 6
Show 20069+3545 BKO 88 EF 261 6.4 7
Show 20069+3545 BKO 88 EG 302 6.0 7
Show 20069+3545 SEI 886 AB 123 27.2 7
Show 20069+3545 BKO 88 AC 167 4.2 7
Show 20069+3545 BKO 88 AE 38 43.7 7
Show 20069+3546 SEI 885 285 14.1 7
Show 20075+3535 COU2126 158 0.7 8
Show 20073+3534 SEI 893 CD 119 27.4 9
Show 20073+3534 COU2125 Aa,Ab 69 0.1 9
Show 20073+3534 ES 2248 AB 30 5.9 9
Show 20073+3534 ES 2248 AC 222 50.6 9
Show 20073+3553 SEI 892 AB 335 15.5 10
Show 20073+3553 BKO 91 AC 290 12.4 10
Show 20073+3553 BKO 91 AD 298 51.6 10
Show 20066+3544 RAO 518 -1 0.2 10
Show 20074+3553 SEI 894 AB 344 29.1 11
Show 20073+3553 BKO 91 DE 100 6.8 11
Show 20075+3553 SEI 896 130 11.4 11
Show 20074+3553 BKO 92 BC 45 14.4 11
Show 20072+3531 SEI 890 AB 94 15.3 13
Show 20072+3531 BKO 90 AC 52 13.8 13
Show 20064+3543 SEI 877 AB 46 12.9 13
Show 20064+3543 BKO 84 AC 20 5.8 13
Show 20070+3554 SEI 887 AB 200 22.8 13
Show 20070+3554 SEI 888 AC 53 21.6 13
Show 20081+3554 TDS1043 235 0.9 14
Show 20063+3538 SEI 871 AB 172 11.5 16
Show 20063+3538 SEI 872 AC 56 29.1 16
Show 20062+3544 SEI 867 AB 244 12.9 16
Show 20062+3544 BKO 82 AC 33 6.9 16
Show 20062+3544 BKO 82 AD 295 13.0 16
Show 20063+3535 SEI 873 AB 335 9.1 16
Show 20063+3535 BKO 83 AC 285 43.5 16
Show 20063+3535 BKO 83 AE 151 52.0 16
Show 20063+3535 BKO 83 AG 240 136.8 16
Show 20063+3535 BKO 83 AI 257 87.2 16
Show 20063+3535 TOI1335 Aa,Ab 304 0.1 16
Show 20063+3535 BKO 83 EF 228 7.5 16
Show 20060+3546 SEI 865 EG 196 14.5 17
Show 20063+3535 BKO 83 CD 119 6.6 17
Show 20060+3546 ES 25 AB 122 8.6 17
Show 20060+3546 ES 25 AC 297 11.8 17
Show 20060+3546 SHJ 315 AD 236 20.2 17
Show 20060+3546 WAL 127 AE 94 33.7 17
Show 20060+3546 ES 25 AF 329 95.7 17
Show 20062+3551 SEI 869 50 5.0 18
Show 20060+3545 SEI 858 AB 28 19.8 18

 
 
WDS 20074+3543 : COMPONENTS
 
 
  A B
B pa=80.2°
sep=0.78"
 
C pa=138.8°
sep=5.17"
pa=146.7°
sep=4.81"
 
 
20074+3543 A
 
 
Name HD 191201 Coord arcsec 2000 200723.69+354305.9 Mag 7.45 Spectral class O9.5III (blue)
PmRA -7.00 PmDE -2.0 SAO 69446 HIP 99122
Tycho2 2683-03993-1 HD 191201 BD BD+35 3970
Tycho2
Tycho2 2683-03993-1 Pflag P RAmdeg 301.84871649 DEmdeg 35.71831087
PmRA -6.6 PmDE -2.4 E RAmdeg 5 E DEmdeg 4
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.40 EpDEm 1991.58
Num 7 Q RAmdeg 0.8 Q DEmdeg 1.8 Q pmRA 0.8
Q pmDE 1.6 BTmag 7.576 E BTmag 0.015 VTmag 7.449
E VTmag 0.011 Prox 10 TYC T HIP 99122
CCDM A RAdeg 301.84870083 DEdeg 35.71831361 EpRA 1990 1.53
EpDE 1990 1.67 E RAdeg 4.5 E DEdeg 4.2 Posflg D
Corr 0.1
SAO
SAO 69446 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 -0.013 Vmag 7.7 SpType B0
Double code Source 5 CatNum 1960 DM BD+35 3970
DMcomp BDsup HD 191201 M HD 0
GC RA1950rad 5.26004243 DE1950rad 0.6208559 PmRA2000 0.0013
PmDE2000 -0.015
Hipparcos
Catalog H HIP 99122 Proxy H RAhms 20 07 23.69
DEdms +35 43 05.9 Vmag 7.26 VarFlag R Vmag H
RAdeg 301.849 DEdeg 35.7183 AstroRef A Plx 1.33
CCDM 20074+3543 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 83 Rho 0.977 HD 191201 BD BD+35 3970
CD CP Dm number +35 3970 VIred 0.09
SpType B0III R SpType Coord arcsec 2000 200723.69+354305.9
Hipparcos 2
HIP 99122 Sn 15 So 3 Nc 2
RArad 5.268253618 DErad 0.6234021465 Plx 1.59 PmRA -2.43
PmDE -6.07 E RArad 0.47 E DErad 0.51 E Plx 0.69
E pmRA 0.59 E pmDE 0.65 Hpmag 7.2991 E Hpmag 0.0011
SHp 0.01 VA 0 BV 0.095 E BV 0.011
VI 0.11
CCDM
Ccdm 20074+3543 RComp Comp A Note1
Note2 Discov num DRAs -0.31 DDEs 5.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.2 Sp B0 PmNote *
PmRA -10 PmDE -14 Dm number +35 3970 Cat1 BD
Name2 +35 1960 Cat2 AGK2/3 HD 191201 M HD
ADS BDS A13405 M ADS BDS N IDS IDS 20036N3526A
HIC 99122
 
 
20074+3543 B
 
 
Coord arcsec 2000 200723.75+354306.0 Mag 9.2 PmRA -7.00 PmDE -2.0
Tycho2 2683-03993-2 Calc delta mag 1.75 Calc coord yes
Tycho2
Tycho2 2683-03993-2 Pflag P RAmdeg 301.84871649 DEmdeg 35.71831087
PmRA -6.6 PmDE -2.4 E RAmdeg 5 E DEmdeg 4
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.40 EpDEm 1991.58
Num 7 Q RAmdeg 0.8 Q DEmdeg 1.8 Q pmRA 0.8
Q pmDE 1.6 BTmag 9.329 E BTmag 0.020 VTmag 9.196
E VTmag 0.019 Prox 10 TYC HIP 99122
CCDM B RAdeg 301.84904333 DEdeg 35.71834167 EpRA 1990 1.53
EpDE 1990 1.69 E RAdeg 11.3 E DEdeg 10.1 Posflg D
Corr 0.2
CCDM
Ccdm 20074+3543 RComp Comp B Note1
Note2 Discov num STT 398 DRAs DDEs
R dRAs Year 1846 Theta 082 Rho 0.9
Obs 11 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13405 M ADS BDS N IDS IDS 20036N3526B
HIC 99122
 
 
20074+3543 C
 
 
Coord arcsec 2000 200723.97+354302.0 Mag 14.6 Calc delta mag 7.15 Calc coord yes
CCDM
Ccdm 20074+3543 RComp Comp C Note1
Note2 Discov num A 280 DRAs DDEs
R dRAs Year 1901 Theta 133 Rho 5.4
Obs 3 Vmag 14.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13405 M ADS BDS N IDS IDS 20036N3526C
HIC 99122