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Doubles in session


Current system
20095+5140
STF 2645
HD 191807


Nearby doubles
25' : 20118+5130
TDT2074

29' : 20096+5112
NSN 729

32' : 20125+5128
AC 17AB

34' : 20130+5150
KPP3356

43' : 20100+5222
ES 986

43' : 20062+5112
TDT1980

53' : 20046+5115
TDS1040

54' : 20038+5150
TDT1944

56' : 20062+5227
TDT1979

63' : 20116+5240
TDT2068

65' : 20162+5126
SKF 345

67' : 20096+5034
TDT2035

69' : 20162+5209
TDT2131

69' : 20159+5109
HU 585

69' : 20076+5247
TDT1999

73' : 20167+5208
TDT2136

75' : 20173+5201
ES 660AB

77' : 20158+5230
STT 404AB

80' : 20055+5030
ES 798AB

82' : 20176+5113
TDS1056

83' : 20183+5152
HDS2900

92' : 20157+5252
TDT2126

92' : 20017+5238
TDT1921

92' : 20188+5212
ES 2692

94' : 20032+5028
HO 454

95' : 20062+5310
ENG 70



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.

20095+5140 STF 2645 (HD 191807)

 
 
20h 09m 28.56s +51° 40' 27.4" P.A. 140.00 sep 1.8 mag 8.55,8.98 Sp A0V dist. 507.61 pc (1655.82 l.y.)
 
 
Coord 2000 20095+5140 Discov num STF2645 Comp Coord arcsec 2000 20 09 28.56 +51 40 27.4
Date first 1830 Date last 2021 Obs 40
Pa first 129 Pa last 140 P.A. Now (θ) 140°
Sep first 1.2 Sep last 1.76 Sep. Now (ρ) 1.76"
Mag pri 8.55 Mag sec 8.98 delta mag (ΔM) 0.43 Spectral class A0V (white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec +001 Sec motion dec +001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191807 Constellation Cygnus SAO 32319 HIP 99307
Tycho2 3571-00729-1 Gaia DR2 2088427199148580352 HD 191807 GC 27994
BD BD+51 2781 Distance 507.61 Distance ly 1655.82
 
 
WDS 20095+5140 STF 2645 (HD 191807) : 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
20095+5140 STF2645 2005 34 138 1.6 8.55 8.98 A0V D 200928.56+514027.4
20095+5140 STF2645 2006 35 139 1.6 8.55 8.98 A0V D 200928.56+514027.4
20095+5140 STF2645 2008 36 138 1.6 8.55 8.98 A0V D 200928.56+514027.4
20095+5140 STF2645 2011 37 136 1.5 8.55 8.98 A0V 200928.56+514027.4
20095+5140 STF2645 2016 37 139 1.6 8.55 8.98 A0V 200928.56+514027.4
20095+5140 STF2645 2018 38 139 1.6 8.55 8.98 A0V 200928.56+514027.4
20095+5140 STF2645 2021 40 140 1.8 8.55 8.98 A0V 200928.56+514027.4

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

 
 
WDS 20095+5140 STF 2645 (HD 191807) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20095+5140 STF 2645 (HD 191807) : MEASURES
 
 
No records found.

 
 
WDS 20095+5140 (HD 191807) : VIRTUAL EYEPIECE
 
 

20095+5140 STF2645A mag 8.55 Sp A0V 20095+5140 STF2645B sep 1.5 P.A. 152.50 mag 8.98 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 20095+5140 (HD 191807) : ALADIN DSS IMAGE @ 20h 09m 28.56s +51° 40' 27.4"
 
 
 
 
WDS 20095+5140 STF 2645 (HD 191807) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20095+5140 STF2645 distance=0' 20118+5130 TDT2074 distance=25' 20096+5112 NSN 729 distance=29' 20125+5128 AC 17AB distance=32' 20125+5128 AC 17AC distance=32' 20125+5128 AC 17AD distance=32' 20125+5128 AC 17AE distance=32' 20130+5150 KPP3356 distance=34' 20100+5222 ES 986 distance=43' 20062+5112 TDT1980 distance=43' 20046+5115 TDS1040 distance=53' 20038+5150 TDT1944 distance=54' 20062+5227 TDT1979 distance=56' 20116+5240 TDT2068 distance=63' 20162+5126 SKF 345 distance=65' 20096+5034 TDT2035 distance=67' 20162+5209 TDT2131 distance=69' 20159+5109 HU 585 distance=69' 20076+5247 TDT1999 distance=69' 20167+5208 TDT2136 distance=73' 20173+5201 ES 660BC distance=75' 20173+5201 ES 660AB distance=75' 20158+5230 STT 404AB distance=77' 20158+5230 WAL 130AC distance=77' 20158+5230 WAL 130AD distance=77' 20055+5030 ES 798BC distance=80' 20055+5030 ES 798AB distance=80' 20176+5113 TDS1056 distance=82' 20183+5152 HDS2900 distance=83' 20157+5252 TDT2126 distance=92' 20017+5238 TDT1921 distance=92' 20188+5212 ES 2692 distance=92' 20032+5028 HO 454 distance=94' 20062+5310 ENG 70 distance=95' 20196+5132 TDT2169 distance=95' 20136+5307 STF2658AB distance=96' 20136+5307 STF2658AD distance=96' 20136+5307 STF2658AC distance=96' 20136+5307 STF2658BC distance=96' 20136+5307 STF2658BF distance=96' 20126+5316 TDT2088 distance=100' 20087+5320 A 1417 distance=101' 20200+5116 ES 800AB distance=102' 20200+5116 ES 800AC distance=102' 20200+5116 ABH 138AF distance=102' 20200+5116 ABH 138AG distance=102' 20200+5116 ES 800AE distance=102' 20200+5116 ES 800CD distance=103' 20200+5116 ES 800CE distance=103' 20205+5140 TDT2189 distance=103' 20192+5053 HDS2903 distance=103' 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 20095+5140 STF2645 140 1.8
Show 20118+5130 TDT2074 158 0.8 25
Show 20096+5112 NSN 729 16 42.2 29
Show 20125+5128 AC 17 AB 82 4.4 32
Show 20125+5128 AC 17 AC 9 84.8 32
Show 20125+5128 AC 17 AD 80 75.1 32
Show 20125+5128 AC 17 AE 148 130.4 32
Show 20130+5150 KPP3356 308 3.0 34
Show 20100+5222 ES 986 287 2.7 43
Show 20062+5112 TDT1980 42 0.8 43
Show 20046+5115 TDS1040 272 1.4 53
Show 20038+5150 TDT1944 330 0.8 54
Show 20062+5227 TDT1979 256 1.6 56
Show 20116+5240 TDT2068 207 0.6 63
Show 20162+5126 SKF 345 25 26.2 65
Show 20096+5034 TDT2035 92 0.8 67
Show 20162+5209 TDT2131 357 1.9 69
Show 20159+5109 HU 585 48 4.2 69
Show 20076+5247 TDT1999 120 4.6 69
Show 20167+5208 TDT2136 286 2.1 73
Show 20173+5201 ES 660 BC 289 9.3 75
Show 20173+5201 ES 660 AB 303 29.9 75
Show 20158+5230 STT 404 AB 115 28.5 77
Show 20158+5230 WAL 130 AC 2 78.9 77
Show 20158+5230 WAL 130 AD 227 25.9 77
Show 20055+5030 ES 798 BC 325 3.3 80
Show 20055+5030 ES 798 AB 107 80.9 80
Show 20176+5113 TDS1056 256 1.4 82
Show 20183+5152 HDS2900 106 0.1 83
Show 20157+5252 TDT2126 48 0.6 92
Show 20017+5238 TDT1921 121 0.4 92
Show 20188+5212 ES 2692 85 24.5 92
Show 20032+5028 HO 454 53 5.9 94
Show 20062+5310 ENG 70 136 170.0 95
Show 20196+5132 TDT2169 53 0.9 95
Show 20136+5307 STF2658 AB 106 5.2 96
Show 20136+5307 STF2658 AD 284 30.9 96
Show 20136+5307 STF2658 AC 206 65.1 96
Show 20136+5307 STF2658 BC 208 65.5 96
Show 20136+5307 STF2658 BF 157 17.7 96
Show 20126+5316 TDT2088 57 0.4 100
Show 20087+5320 A 1417 173 0.6 101
Show 20200+5116 ES 800 AB 321 30.2 102
Show 20200+5116 ES 800 AC 101 42.6 102
Show 20200+5116 ABH 138 AF 110 86.0 102
Show 20200+5116 ABH 138 AG 338 76.5 102
Show 20200+5116 ES 800 AE 95 115.6 102
Show 20200+5116 ES 800 CD 133 2.5 103
Show 20200+5116 ES 800 CE 92 73.3 103
Show 20205+5140 TDT2189 300 0.9 103
Show 20192+5053 HDS2903 320 0.1 103

 
 
WDS 20095+5140 : COMPONENTS
 
 
  A
B pa=152.5°
sep=1.52"
 
 
20095+5140 A
 
 
Componente originario normalizzato AB Name HD 191807 Coord arcsec 2000 200928.56+514027.4 Mag 8.55
Spectral class A0V (white) PmRA 0.00 PmDE 1.0 SAO 32319
HIP 99307 Tycho2 3571-00729-1 HD 191807 GC 27994
BD BD+51 2781
Tycho2
Tycho2 3571-00729-1 Pflag P RAmdeg 302.36898452 DEmdeg 51.67427318
PmRA 0.1 PmDE 0.9 E RAmdeg 6 E DEmdeg 6
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.52 EpDEm 1991.55
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.9 BTmag 8.527 E BTmag 0.016 VTmag 8.551
E VTmag 0.013 Prox 16 TYC T HIP 99307
CCDM A RAdeg 302.36884722 DEdeg 51.67436861 EpRA 1990 1.78
EpDE 1990 1.80 E RAdeg 5.9 E DEdeg 6.3 Posflg D
Corr 0.0
SAO
SAO 32319 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0.01 Vmag 7.9 SpType A0
Double code Source 70 CatNum 27994 DM BD+51 2781
DMcomp BDsup HD 191807 M HD 0
GC 27994 RA1950rad 5.27133669 DE1950rad 0.89930087 PmRA2000 0.0002
PmDE2000 0.008
Hipparcos
Catalog H HIP 99307 Proxy H RAhms 20 09 28.52
DEdms +51 40 27.7 Vmag 7.99 VarFlag R Vmag H
RAdeg 302.369 DEdeg 51.6744 AstroRef A Plx 2.05
CCDM 20095+5140 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 138 Rho 1.611 HD 191807 BD BD+51 2781
CD CP Dm number +51 2781 VIred 0.01
SpType A0 R SpType Coord arcsec 2000 200928.52+514027.7
Hipparcos 2
HIP 99307 Sn 15 So 3 Nc 2
RArad 5.2773319967 DErad 0.9018878861 Plx 1.97 PmRA 2.73
PmDE 1.21 E RArad 0.76 E DErad 0.63 E Plx 0.77
E pmRA 0.81 E pmDE 0.74 Hpmag 8.0205 E Hpmag 0.0013
SHp 0.012 VA 0 BV 0.063 E BV 0.02
VI 0.07
CCDM
Ccdm 20095+5140 RComp Comp A Note1
Note2 Discov num DRAs -1.42 DDEs 28.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp A0 PmNote *
PmRA 3 PmDE 15 Dm number +51 2781 Cat1 BD
Name2 +51 1403 Cat2 AGK2/3 HD 191807 M HD
ADS BDS A13447 M ADS BDS N IDS IDS 20067N5123A
HIC 99307
 
 
20095+5140 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200928.64+514026.1 Mag 8.98 PmRA 0.00
PmDE 1.0 Tycho2 3571-00729-2 Calc delta mag 0.43 Calc coord yes
Tycho2
Tycho2 3571-00729-2 Pflag P RAmdeg 302.36898452 DEmdeg 51.67427318
PmRA 0.1 PmDE 0.9 E RAmdeg 6 E DEmdeg 6
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.52 EpDEm 1991.55
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.9 BTmag 9.127 E BTmag 0.018 VTmag 8.977
E VTmag 0.015 Prox 16 TYC T HIP 99307
CCDM B RAdeg 302.36932250 DEdeg 51.67403056 EpRA 1990 1.80
EpDE 1990 1.80 E RAdeg 8.3 E DEdeg 8.8 Posflg D
Corr 0.0
CCDM
Ccdm 20095+5140 RComp Comp B Note1
Note2 Discov num STF2645 DRAs DDEs
R dRAs Year 1831 Theta 138 Rho 1.5
Obs 11 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13447 M ADS BDS N IDS IDS 20067N5123B
HIC 99307