20117-0435 STF 2636 (HD 191750)

 
 
20h 11m 39.98s -04° 35' 24.4" P.A. 203.00 sep 12.5 mag 9.41,10.36 Sp B9V+B6V dist. 1666.67 pc (5436.68 l.y.)
 
 
Coord 2000 20117-0435 Discov num STF2636 Comp Coord arcsec 2000 20 11 39.98 -04 35 24.4
Date first 1827 Date last 2015 Obs 30
Pa first 202 Pa last 203 P.A. Now (θ) 203°
Sep first 12.5 Sep last 12.547 Sep. Now (ρ) 12.547"
Mag pri 9.41 Mag sec 10.36 delta mag (ΔM) 0.95 Spectral class B9V+B6V (blue-white/blue-white)
Pri motion ra -004 Sec motion ra -006
Pri motion dec -014 Sec motion dec -014
Notes V (Proper motion indicates physical)
rPM=0.131 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191750 Constellation Aquila SAO 144156 HIP 99507
Tycho2 5169-02185-1 Gaia DR2 4220700237646361856 HD 191750 GC 28020
BD BD-05 5181 Distance 1666.67 Distance ly 5436.68
 
 
WDS 20117-0435 STF 2636 (HD 191750) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20117-0435 STF2636 2004 22 203 12.3 9.41 10.36 A0 D 201139.98-043524.4
20117-0435 STF2636 2012 26 203 12.6 9.41 10.36 A0 D 201139.98-043524.4
20117-0435 STF2636 2015 28 203 12.5 9.41 10.36 B9V+B6V Y 201139.98-043524.4

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

 
 
WDS 20117-0435 STF 2636 (HD 191750) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20117-0435 STF 2636 (HD 191750) : MEASURES
 
 
No records found.

 
 
WDS 20117-0435 (HD 191750) : VIRTUAL EYEPIECE
 
 

20117-0435 STF2636A mag 9.41 Sp B9V 20117-0435 STF2636B sep 12.5 P.A. 202.90 mag 10.36 Sp B6V virtual eyepiece
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Radius:
Components only
 
 
WDS 20117-0435 (HD 191750) : ALADIN DSS IMAGE @ 20h 11m 39.98s -04° 35' 24.4"
 
 
 
 
WDS 20117-0435 STF 2636 (HD 191750) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20117-0435  STF2636 distance=1' 20113-0510  KPP2247 distance=35' 20141-0450  HDS2883AB distance=40' 20141-0450  CSR   3AC distance=40' 20132-0514  LDS4833AB distance=46' 20132-0514  LDS4833Aa,Ab distance=46' 20140-0403  HJ  909 distance=47' 20113-0542  GWP2925 distance=67' 20085-0340  HLD  37 distance=74' 20152-0330  STF2654 distance=84' 20062-0405  LSC  88 distance=88' 20174-0507  GWP2936 distance=92' 20116-0609  BU  833BC distance=93' 20178-0447  UC 4140 distance=93' 20116-0609  BU  833AB distance=94' 20116-0609  BU  833AD distance=94' 20169-0527  RST4658 distance=94' 20150-0557  RST4657 distance=96' 20144-0603  STF2646BC distance=97' 20144-0603  STF2646AB distance=97' 20128-0300  STF2643 distance=98' 20051-0418  BU   56 distance=100' 20168-0329  RST4659AB distance=102' 20168-0329  TOK 337AC distance=102' 20076-0606  LDS4832 distance=108' 20054-0536  RST5151 distance=112' 20134-0246  BRT 497 distance=113' 20037-0423  GWP2920 distance=120' 20109-0637  ARU  20 distance=123' 20201-0517  TDT2180 distance=133' 20101-0225  J  2297 distance=133' 20037-0326  A    45 distance=139' 20167-0630  J  1388 distance=139' 20158-0640  UC 4130 distance=140' 20125-0217  UC 4121 distance=140' 20153-0644  KPP4188 distance=140' 20214-0407  J  1341 distance=141' 20166-0234  GWP2934 distance=142' 20189-0608  RST4661 distance=144' 20188-0614  RST4660 distance=146' 20190-0258  RST4662 distance=148' 20127-0209  WSP  80AB (Petra) distance=148' 20127-0209  WSP  80AC (Petra) distance=148' 20127-0209  WSP  80AD (Petra) distance=148' 20127-0209  WSP  80AE (Petra) distance=148' 20127-0209  WSP  80AF (Petra) distance=148' 20127-0209  WSP  80AG (Petra) distance=148' 20127-0209  WSP  80AH (Petra) distance=148' 20212-0353  BRT 498 distance=149' 20184-0245  HJ  911 distance=150' 20116-0705  TDT2070 distance=150' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20117-0435 STF2636 203 12.5 1
Show 20113-0510 KPP2247 204 18.7 35
Show 20141-0450 HDS2883 AB 138 1.0 40
Show 20141-0450 CSR 3 AC 112 19.5 40
Show 20132-0514 LDS4833 AB 316 13.3 46
Show 20132-0514 LDS4833 Aa,Ab 289 4.4 46
Show 20140-0403 HJ 909 129 15.3 47
Show 20113-0542 GWP2925 158 51.2 67
Show 20085-0340 HLD 37 308 3.2 74
Show 20152-0330 STF2654 232 14.4 84
Show 20062-0405 LSC 88 85 0.2 88
Show 20174-0507 GWP2936 87 77.3 92
Show 20116-0609 BU 833 BC 63 2.8 93
Show 20178-0447 UC 4140 350 24.8 93
Show 20116-0609 BU 833 AB 63 127.0 94
Show 20116-0609 BU 833 AD 352 43.6 94
Show 20169-0527 RST4658 285 1.1 94
Show 20150-0557 RST4657 257 0.5 96
Show 20144-0603 STF2646 BC 106 26.9 97
Show 20144-0603 STF2646 AB 40 17.8 97
Show 20128-0300 STF2643 81 3.0 98
Show 20051-0418 BU 56 189 1.3 100
Show 20168-0329 RST4659 AB 7 1.8 102
Show 20168-0329 TOK 337 AC 39 127.4 102
Show 20076-0606 LDS4832 296 221.4 108
Show 20054-0536 RST5151 34 0.4 112
Show 20134-0246 BRT 497 275 4.2 113
Show 20037-0423 GWP2920 220 36.8 120
Show 20109-0637 ARU 20 138 0.5 123
Show 20201-0517 TDT2180 190 1.9 133
Show 20101-0225 J 2297 207 7.4 133
Show 20037-0326 A 45 114 1.0 139
Show 20167-0630 J 1388 4 4.6 139
Show 20158-0640 UC 4130 12 77.6 140
Show 20125-0217 UC 4121 198 9.5 140
Show 20153-0644 KPP4188 151 2.0 140
Show 20214-0407 J 1341 250 3.2 141
Show 20166-0234 GWP2934 47 107.0 142
Show 20189-0608 RST4661 282 2.1 144
Show 20188-0614 RST4660 106 0.5 146
Show 20190-0258 RST4662 355 1.2 148
Show Petra 20127-0209 WSP 80 AB 54 11.3 148
Show Petra 20127-0209 WSP 80 AC 193 19.2 148
Show Petra 20127-0209 WSP 80 AD 213 14.7 148
Show Petra 20127-0209 WSP 80 AE 338 27.3 148
Show Petra 20127-0209 WSP 80 AF 59 28.5 148
Show Petra 20127-0209 WSP 80 AG 30 29.7 148
Show Petra 20127-0209 WSP 80 AH 53 31.1 148
Show 20212-0353 BRT 498 184 3.2 149
Show 20184-0245 HJ 911 122 21.5 150
Show 20116-0705 TDT2070 62 0.5 150

 
 
WDS 20117-0435 : COMPONENTS
 
 
  A
B pa=202.9°
sep=12.54"
 
 
20117-0435 A
 
 
Componente originario normalizzato AB Name HD 191750 Coord arcsec 2000 201139.98-043524.4 Mag 9.41
Spectral class B9V (blue-white) PmRA -4.00 PmDE -14.0 SAO 144156
HIP 99508 Tycho2 5169-02185-1 HD 191750 GC 28020
BD BD-05 5181
Tycho2
Tycho2 5169-02185-1 Pflag RAmdeg 302.91659493 DEmdeg -4.59012405
PmRA -4.6 PmDE -17.2 E RAmdeg 11 E DEmdeg 16
E pmRA 1.7 E pmDE 1.8 EpRAm 1991.23 EpDEm 1990.49
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.5 Q pmRA 0.1
Q pmDE 1.5 BTmag 9.840 E BTmag 0.025 VTmag 9.409
E VTmag 0.021 Prox 125 TYC T HIP 99508
CCDM A RAdeg 302.91660583 DEdeg -4.59008250 EpRA 1990 1.65
EpDE 1990 1.28 E RAdeg 11.1 E DEdeg 15.7 Posflg
Corr -0.2
SAO
SAO 144156 DelFlag RA1950 PmRA1950 0.0026
DE1950 PmDE1950 -0.023 Vmag 8.8 SpType A0
Double code Source 70 CatNum 28020 DM BD-05 5181
DMcomp BDsup HD 191750 M HD 0
GC 28020 RA1950rad 5.27538694 DE1950rad -0.08272809 PmRA2000 0.0028
PmDE2000 -0.025
Hipparcos
Catalog H HIP 99508 Proxy RAhms 20 11 39.99
DEdms -04 35 24.3 Vmag 9.36 VarFlag R Vmag H
RAdeg 302.917 DEdeg -4.59008 AstroRef A Plx -0.14
CCDM 20117-0435 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 191750 BD BD-05 5181
CD CP Dm number -05 5181 VIred 0.51
SpType A0 R SpType Coord arcsec 2000 201139.99-043524.3
Hipparcos 2
HIP 99508 Sn 95 So 3 Nc 1
RArad 5.2868921152 DErad -0.0801120691 Plx 1.49 PmRA -31.62
PmDE -19.87 E RArad 3.17 E DErad 1.67 E Plx 3.46
E pmRA 5.3 E pmDE 3.71 Hpmag 9.4444 E Hpmag 0.01
SHp 0.059 VA 0 BV 0.35 E BV 0.039
VI 0.41
CCDM
Ccdm 20117-0435 RComp Comp A Note1
Note2 Discov num DRAs -1.70 DDEs -25.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp A0 PmNote *
PmRA 40 PmDE -24 Dm number -05 5181 Cat1 BD
Name2 144156 Cat2 SAO HD 191750 M HD
ADS BDS A13476 M ADS BDS N IDS IDS 20064S0453A
HIC 99508
 
 
20117-0435 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201139.65-043535.9 Mag 10.36 Spectral class B6V (blue-white)
PmRA -6.00 PmDE -14.0 HIP 99507 Tycho2 5169-02188-1
Calc delta mag 0.95 Calc coord yes
Tycho2
Tycho2 5169-02188-1 Pflag RAmdeg 302.91525472 DEmdeg -4.59332356
PmRA -4.9 PmDE -14.5 E RAmdeg 24 E DEmdeg 36
E pmRA 1.9 E pmDE 2.0 EpRAm 1990.10 EpDEm 1987.72
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.2 Q pmRA 0.2
Q pmDE 1.2 BTmag 10.924 E BTmag 0.053 VTmag 10.364
E VTmag 0.045 Prox 125 TYC HIP 99507
CCDM B RAdeg 302.91526611 DEdeg -4.59328833 EpRA 1990 1.69
EpDE 1990 1.26 E RAdeg 24.2 E DEdeg 37.2 Posflg
Corr -0.2
Hipparcos
Catalog H HIP 99507 Proxy RAhms 20 11 39.66
DEdms -04 35 35.8 Vmag 10.23 VarFlag R Vmag H
RAdeg 302.915 DEdeg -4.59329 AstroRef B Plx 0.76
CCDM 20117-0435 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.77
SpType R SpType Coord arcsec 2000 201139.66-043535.8
Hipparcos 2
HIP 99507 Sn 95 So 3 Nc 1
RArad 5.2868685281 DErad -0.0801679945 Plx 0.6 PmRA 3.3
PmDE -20.87 E RArad 8.05 E DErad 3.61 E Plx 8.12
E pmRA 14.21 E pmDE 9.39 Hpmag 10.4088 E Hpmag 0.02
SHp 0 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 20117-0435 RComp Comp B Note1
Note2 Discov num STF2636 DRAs -2.03 DDEs -36.7
R dRAs 90 Year 1827 Theta 203 Rho 12.5
Obs 5 Vmag 10.2 Sp PmNote
PmRA 40 PmDE -24 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13476 M ADS BDS N IDS IDS 20064S0453B
HIC 99507