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Doubles in session


Current system
19188+0020
STFA 40 AC


Nearby doubles
10' : 19190-0030
BAL 906

18' : 19177+0015
GWP2834

23' : 19190-0043
GWP2836

23' : 19174-0025
J 114AB

24' : 19173+0023
J 484

25' : 19189+0045
J 1037

30' : 19185-0050
BAL 597

35' : 19208-0002
J 2262

36' : 19202+0047
J 1038

39' : 19208+0042
J 1383

39' : 19180-0057
HJ 5508

43' : 19203+0056
BAL1202

44' : 19217+0014
BAL1203

46' : 19185+0105
STF2492AB

46' : 19158-0020
BAL 905

50' : 19159+0041
BAL1199

52' : 19221-0037
BVD 130

59' : 19174+0115
A 2267AB

65' : 19231-0013
J 1285

70' : 19233-0003
BAL 907

73' : 19148+0100
J 1036

74' : 19148+0103
HEI9005

75' : 19144+0053
J 1035

81' : 19185-0100
BAL 596

83' : 19183-0102
BAL 595

84' : 19133-0036
OSO 108AB



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.

19188+0020 STFA 40 AC

 
 
19h 18m 50.94s +00° 20' 20.4" P.A. 163.00 sep 49.5 mag 6.52,13.17 Sp K0IIIa dist. 127.06 pc (414.47 l.y.)
 
 
Coord 2000 19188+0020 Discov num STFA 40 Comp AC Coord arcsec 2000 19 18 50.94 +00 20 20.4
Date first 1911 Date last 2015 Obs 6
Pa first 160 Pa last 163 P.A. Now (θ) 163°
Sep first 49.5 Sep last 49.497 Sep. Now (ρ) 49.497"
Mag pri 6.52 Mag sec 13.17 delta mag (ΔM) 6.65 Spectral class K0IIIa (yellow-orange)
Pri motion ra +016 Sec motion ra -002
Pri motion dec +009 Sec motion dec -005
Notes N (See Notes)
rPM=1.242
This double is not physical.
 
 
19188+0020 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 24 Aql 124492 19 18 51 +00 20 20 STFA 40 AB 2015 32 316 423.5 6.52 6.78 0.26
Show 124492 19 18 51 +00 20 20 STFA 40 AC 2015 6 163 49.5 6.52 13.17 6.65 <===
Show 124486 19 18 31 +00 25 24 STFA 40 BD 2015 11 298 60.4 6.78 11.56 4.78
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila SAO 124492 HIP 94913 Tycho2 0464-03033-1
Gaia DR2 4264372530294292096 HD 181053 HR 7321 GC 26629
BD BD+00 4170 Flamsteed 24 Aquilae Flamsteed name 24 Aql Distance 127.06
Distance ly 414.47
 
 
WDS 19188+0020 STFA 40 AC : NOTES
 
 
discov_num notes refcode
STFA 40 24 Aql. Alternate spectral type of A:
K0IIIa:Ba0.3CH1.
 
 
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
19188+0020 STFA 40 AC 1911 1 160 49.5 6.52 12.70 K0IIIa N 191850.93+002020.4
19188+0020 STFA 40 AC 1999 2 163 49.4 6.52 13.50 K0IIIa N 191850.94+002020.4
19188+0020 STFA 40 AC 2009 3 166 49.0 6.52 13.50 K0IIIa N D 191850.94+002020.4
19188+0020 STFA 40 AC 2013 5 163 49.3 6.52 13.17 K0IIIa N 191850.94+002020.4
19188+0020 STFA 40 AC 2015 6 163 49.5 6.52 13.17 K0IIIa N 191850.94+002020.4

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

 
 
WDS 19188+0020 STFA 40 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19188+0020 STFA 40 AC : MEASURES
 
 
No records found.

 
 
WDS 19188+0020 : VIRTUAL EYEPIECE
 
 

19188+0020 STFA 40A mag 6.52 Sp K0IIIa 19188+0020 STFA 40B sep 423.4 P.A. 315.90 mag 6.78 Sp F0 19188+0020 STFA 40C sep 49.5 P.A. 163.00 mag 13.17 19188+0020 STFA 40D sep 481.2 P.A. 313.60 mag 11.56 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 19188+0020 : ALADIN DSS IMAGE @ 19h 18m 50.94s +00° 20' 20.4"
 
 
 
 
WDS 19188+0020 STFA 40 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19188+0020 STFA 40AB distance=1' 19188+0020 STFA 40AC distance=1' 19188+0020 STFA 40BD distance=8' 19190-0030 BAL 906 distance=10' 19177+0015 GWP2834 distance=18' 19190-0043 GWP2836 distance=23' 19174-0025 J 114AB distance=23' 19174-0025 J 2258AC distance=23' 19173+0023 J 484 distance=24' 19189+0045 J 1037 distance=25' 19185-0050 BAL 597 distance=30' 19208-0002 J 2262 distance=35' 19202+0047 J 1038 distance=36' 19208+0042 J 1383 distance=39' 19180-0057 HJ 5508 distance=39' 19203+0056 BAL1202 distance=43' 19217+0014 BAL1203 distance=44' 19185+0105 STF2492AB distance=46' 19185+0105 STF2492AC distance=46' 19158-0020 BAL 905 distance=46' 19159+0041 BAL1199 distance=50' 19221-0037 BVD 130 distance=52' 19174+0115 A 2267AB distance=59' 19174+0115 A 2267AB,C distance=59' 19174+0115 A 2267AB,D distance=59' 19231-0013 J 1285 distance=65' 19233-0003 BAL 907 distance=70' 19148+0100 J 1036 distance=73' 19148+0103 HEI9005 distance=74' 19144+0053 J 1035 distance=75' 19185-0100 BAL 596 distance=81' 19183-0102 BAL 595 distance=83' 19133-0036 OSO 108AB distance=84' 19133-0036 YSC 159Aa,Ab distance=84' 19168+0141 BAL1515 distance=86' 19172+0143 B 2875 distance=86' 19244+0001 BAL 908 distance=87' 19170+0144 BAL1516 distance=88' 19128+0037 J 2541 distance=90' 19131+0048 NSN 712 distance=91' 19152+0133 HDS2723 distance=92' 19123+0007 GWP2822 distance=100' 19149-0102 BAL 593 distance=102' 19213+0156 BAL1517 distance=103' 19255-0022 RST5135 distance=103' 19121+0055 SCJ 19 distance=108' 19217-0120 J 115BC distance=109' 19217-0120 J 115AB distance=109' 19217-0120 J 115AC distance=109' 19227-0119 J 539 distance=111' 19218-0122 J 116 distance=112' 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 19188+0020 STFA 40 AB 316 423.5 1
Show 19188+0020 STFA 40 AC 163 49.5 1
Show 19188+0020 STFA 40 BD 298 60.4 8
Show 19190-0030 BAL 906 116 15.9 10
Show 19177+0015 GWP2834 93 7.4 18
Show 19190-0043 GWP2836 159 8.0 23
Show 19174-0025 J 114 AB 209 6.4 23
Show 19174-0025 J 2258 AC 283 4.0 23
Show 19173+0023 J 484 269 6.1 24
Show 19189+0045 J 1037 290 3.1 25
Show 19185-0050 BAL 597 294 18.5 30
Show 19208-0002 J 2262 214 6.2 35
Show 19202+0047 J 1038 331 3.3 36
Show 19208+0042 J 1383 277 9.1 39
Show 19180-0057 HJ 5508 94 18.6 39
Show 19203+0056 BAL1202 20 8.5 43
Show 19217+0014 BAL1203 126 9.4 44
Show 19185+0105 STF2492 AB 2 3.3 46
Show 19185+0105 STF2492 AC 70 10.1 46
Show 19158-0020 BAL 905 358 15.8 46
Show 19159+0041 BAL1199 73 12.6 50
Show 19221-0037 BVD 130 295 30.3 52
Show 19174+0115 A 2267 AB 351 0.5 59
Show 19174+0115 A 2267 AB,C 134 12.6 59
Show 19174+0115 A 2267 AB,D 107 14.7 59
Show 19231-0013 J 1285 330 3.8 65
Show 19233-0003 BAL 907 330 18.1 70
Show 19148+0100 J 1036 348 1.7 73
Show 19148+0103 HEI9005 333 1.2 74
Show 19144+0053 J 1035 74 4.1 75
Show 19185-0100 BAL 596 179 17.6 81
Show 19183-0102 BAL 595 89 9.5 83
Show 19133-0036 OSO 108 AB 166 5.8 84
Show 19133-0036 YSC 159 Aa,Ab 281 0.6 84
Show 19168+0141 BAL1515 166 4.6 86
Show 19172+0143 B 2875 142 0.2 86
Show 19244+0001 BAL 908 313 15.7 87
Show 19170+0144 BAL1516 272 10.7 88
Show 19128+0037 J 2541 150 5.4 90
Show 19131+0048 NSN 712 8 2.6 91
Show 19152+0133 HDS2723 144 0.2 92
Show 19123+0007 GWP2822 149 40.2 100
Show 19149-0102 BAL 593 239 10.1 102
Show 19213+0156 BAL1517 138 8.6 103
Show 19255-0022 RST5135 217 1.6 103
Show 19121+0055 SCJ 19 253 47.4 108
Show 19217-0120 J 115 BC 92 4.2 109
Show 19217-0120 J 115 AB 1 4.9 109
Show 19217-0120 J 115 AC 43 6.2 109
Show 19227-0119 J 539 1 2.8 111
Show 19218-0122 J 116 143 6.0 112

 
 
WDS 19188+0020 : COMPONENTS
 
 
  A B C
B pa=315.9°
sep=423.43"
 
C pa=163.0°
sep=49.50"
pa=138.6°
sep=468.03"
 
D pa=313.6°
sep=481.18"
pa=297.6°
sep=60.44"
pa=316.3°
sep=524.88"
 
 
19188+0020 A
 
 
Name 24 Aql Coord arcsec 2000 191850.94+002020.4 Mag 6.52 Spectral class K0IIIa (yellow-orange)
PmRA 16.00 PmDE 9.0 SAO 124492 HIP 94913
Tycho2 0464-03033-1 HD 181053 HR 7321 GC 26629
BD BD+00 4170 Flamsteed 24 Aquilae Flamsteed name 24 Aql
Tycho2
Tycho2 0464-03033-1 Pflag RAmdeg 289.71226394 DEmdeg 0.33902601
PmRA 16.0 PmDE 10.1 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.36 EpDEm 1991.14
Num 17 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.4 BTmag 7.742 E BTmag 0.016 VTmag 6.521
E VTmag 0.010 Prox 999 TYC T HIP 94913
CCDM RAdeg 289.71222750 DEdeg 0.33900250 EpRA 1990 1.80
EpDE 1990 1.62 E RAdeg 3.7 E DEdeg 4.3 Posflg
Corr 0.0
SAO
SAO 124492 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.013 Vmag 6.5 SpType K0
Double code Source 70 CatNum 26629 DM BD+00 4170
DMcomp BDsup HD 181053 M HD 0
GC 26629 RA1950rad 5.04526722 DE1950rad 0.00430131 PmRA2000 0.0008
PmDE2000 0.012
Hipparcos
Catalog H HIP 94913 Proxy RAhms 19 18 50.93
DEdms +00 20 20.4 Vmag 6.4 VarFlag R Vmag H
RAdeg 289.712 DEdeg 0.339001 AstroRef Plx 6.68
CCDM 19187+0023 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 181053 BD BD+00 4170
CD CP Dm number +00 4170 VIred 1.02
SpType K0II-III:.. R SpType Coord arcsec 2000 191850.93+002020.4
Hipparcos 2
HIP 94913 Sn 5 So 0 Nc 1
RArad 5.05643221 DErad 0.0059166903 Plx 7.87 PmRA 15.96
PmDE 8.77 E RArad 0.43 E DErad 0.29 E Plx 0.49
E pmRA 0.61 E pmDE 0.41 Hpmag 6.5686 E Hpmag 0.0012
SHp 0.008 VA 0 BV 1.05 E BV 0
VI 1.02
 
 
19188+0020 B
 
 
Coord arcsec 2000 191831.29+002524.4 Coord calc 191831.29+002524.4 Mag 6.78 Spectral class F0 (yellow-white)
PmRA 28.00 PmDE 33.0 SAO 124486 HIP 94883
Tycho2 0464-03071-1 HD 180973 GC 26622 BD BD+00 4166
Calc delta mag 0.26
Tycho2
Tycho2 0464-03071-1 Pflag RAmdeg 289.63037416 DEmdeg 0.42346253
PmRA 30.1 PmDE 32.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.44 EpDEm 1991.30
Num 15 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 7.184 E BTmag 0.015 VTmag 6.775
E VTmag 0.010 Prox 999 TYC T HIP 94883
CCDM RAdeg 289.63030528 DEdeg 0.42338806 EpRA 1990 1.81
EpDE 1990 1.65 E RAdeg 3.7 E DEdeg 4.3 Posflg
Corr 0.0
SAO
SAO 124486 DelFlag RA1950 PmRA1950 0.0025
DE1950 PmDE1950 0.039 Vmag 6.7 SpType F0
Double code Source 70 CatNum 26622 DM BD+00 4166
DMcomp BDsup HD 180973 M HD 0
GC 26622 RA1950rad 5.04384436 DE1950rad 0.00577627 PmRA2000 0.0027
PmDE2000 0.038
Hipparcos
Catalog H HIP 94883 Proxy RAhms 19 18 31.27
DEdms +00 25 24.2 Vmag 6.72 VarFlag R Vmag H
RAdeg 289.63 DEdeg 0.423384 AstroRef Plx 9.87
CCDM 19187+0023 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 180973 BD BD+00 4166
CD CP Dm number +00 4166 VIred 0.46
SpType F0 R SpType Coord arcsec 2000 191831.27+002524.2
Hipparcos 2
HIP 94883 Sn 5 So 0 Nc 1
RArad 5.0550023721 DErad 0.0073894493 Plx 11.05 PmRA 28.02
PmDE 32.87 E RArad 0.37 E DErad 0.27 E Plx 0.42
E pmRA 0.52 E pmDE 0.36 Hpmag 6.8162 E Hpmag 0.0012
SHp 0.008 VA 0 BV 0.401 E BV 0.007
VI 0.47
 
 
19188+0020 C
 
 
Coord arcsec 2000 191851.90+001933.1 Mag 13.17 PmRA -2.00 PmDE -5.0
Calc delta mag 6.65 Calc coord yes
 
 
19188+0020 D
 
 
Coord arcsec 2000 191827.72+002552.4 Mag 11.56 PmRA 1.00 PmDE 6.0
Calc delta mag 5.04 Calc coord yes