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Doubles in session


Current system
19227-0708
STF 2503
HD 181940


Nearby doubles
16' : 19231-0653
RST4627

27' : 19231-0733
TDT1411

29' : 19222-0735
A 102AB

34' : 19233-0635
HDS2745AB

40' : 19206-0645
HDS2735AB

46' : 19206-0740
LDS 678AB

48' : 19201-0640
TDT1381

50' : 19200-0638
STF2494

56' : 19236-0801
TDT1419

56' : 19227-0612
JNN 123

62' : 19215-0807
J 2265

66' : 19183-0658
RST4626

67' : 19267-0638
RST4629

68' : 19185-0640
DAM 150

70' : 19243-0813
TDT1430

72' : 19205-0603
A 101

75' : 19182-0636
DAM 149

75' : 19176-0700
J 2691

75' : 19263-0759
GWP2853

75' : 19181-0638
DAM 148AB

78' : 19179-0638
DAM 147

79' : 19184-0641
J 2260

86' : 19170-0713
BRT 492

89' : 19172-0741
KPP1697

92' : 19240-0837
TDT1424

100' : 19294-0703
KUI 91AB



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.

19227-0708 STF 2503 (HD 181940)

 
 
19h 22m 42.04s -07° 07' 41.2" P.A. 285.00 sep 2.4 mag 9.00,9.65 Sp F0
 
 
Coord 2000 19227-0708 Discov num STF2503 Comp Coord arcsec 2000 19 22 42.04 -07 07 41.2
Date first 1829 Date last 2017 Obs 32
Pa first 280 Pa last 284.9 P.A. Now (θ) 284.9°
Sep first 2.6 Sep last 2.441 Sep. Now (ρ) 2.441"
Mag pri 9.00 Mag sec 9.65 delta mag (ΔM) 0.65 Spectral class F0 (yellow-white)
Pri motion ra +028 Sec motion ra -052
Pri motion dec -012 Sec motion dec +012
Notes
rPM=1.565
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 181940 Constellation Aquila Tycho2 5143-01802-1 Gaia DR2 4207826292214618624
HD 181940
 
 
WDS 19227-0708 STF 2503 (HD 181940) : 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
19227-0708 STF2503 1999 24 285 2.4 9.00 9.65 F0 192242.04-070741.2
19227-0708 STF2503 2010 25 285 2.3 9.00 9.65 F0 192242.04-070741.2
19227-0708 STF2503 2016 27 285 2.5 9.00 9.65 F0 192242.04-070741.2
19227-0708 STF2503 2017 29 286 2.4 9.00 9.65 F0 192242.04-070741.2

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

 
 
WDS 19227-0708 STF 2503 (HD 181940) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19227-0708 STF 2503 (HD 181940) : MEASURES
 
 
No records found.

 
 
WDS 19227-0708 (HD 181940) : VIRTUAL EYEPIECE
 
 

19227-0708 STF2503A mag 9 Sp F0 19227-0708 STF2503B sep 2.4 P.A. 285.00 mag 9.65 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 19227-0708 (HD 181940) : ALADIN DSS IMAGE @ 19h 22m 42.04s -07° 07' 41.2"
 
 
 
 
WDS 19227-0708 STF 2503 (HD 181940) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19227-0708 STF2503 distance=1' 19231-0653 RST4627 distance=16' 19231-0733 TDT1411 distance=27' 19222-0735 A 102AB distance=29' 19222-0735 HO 104AB,C distance=29' 19233-0635 HDS2745AB distance=34' 19233-0635 GII 282Aa,Ab distance=34' 19206-0645 HDS2735AB distance=40' 19206-0645 TOK 432AC distance=40' 19206-0740 LDS 678AB distance=46' 19206-0740 WRH 31BC distance=46' 19206-0740 LMP 41BD distance=46' 19201-0640 TDT1381 distance=48' 19200-0638 STF2494 distance=50' 19236-0801 TDT1419 distance=56' 19227-0612 JNN 123 distance=56' 19215-0807 J 2265 distance=62' 19183-0658 RST4626 distance=66' 19267-0638 RST4629 distance=67' 19185-0640 DAM 150 distance=68' 19243-0813 TDT1430 distance=70' 19205-0603 A 101 distance=72' 19182-0636 DAM 149 distance=75' 19176-0700 J 2691 distance=75' 19263-0759 GWP2853 distance=75' 19181-0638 DAM 148AB distance=75' 19181-0638 DAM 148AC distance=75' 19179-0638 DAM 147 distance=78' 19184-0641 J 2260 distance=79' 19170-0713 BRT 492 distance=86' 19172-0741 KPP1697 distance=89' 19240-0837 TDT1424 distance=92' 19294-0703 TOK 4Aa,Ab distance=100' 19294-0703 KUI 91AB distance=100' 19294-0703 HJ 887AC distance=100' 19294-0703 GAA 17Aa1,2 distance=100' 19188-0546 HO 575 distance=101' 19280-0813 J 2266 distance=102' 19260-0538 NSN 147 distance=102' 19161-0736 GWP2830AB distance=103' 19238-0851 DAM 154 distance=105' 19230-0849 J 2546 distance=105' 19229-0849 J 2545 distance=105' 19280-0817 GWP2856 distance=105' 19173-0817 TDT1353 distance=107' 19254-0528 TDT1445 distance=108' 19205-0525 ISO 10Aa,Ab distance=108' 19205-0525 BUP 189AB distance=108' 19293-0618 PLT 6 distance=110' 19154-0737 RST4625 distance=112' 19301-0735 RST4630 distance=115' 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 19227-0708 STF2503 285 2.4 1
Show 19231-0653 RST4627 197 0.7 16
Show 19231-0733 TDT1411 84 0.5 27
Show 19222-0735 A 102 AB 270 0.2 29
Show 19222-0735 HO 104 AB,C 123 5.5 29
Show 19233-0635 HDS2745 AB 10 1.3 34
Show 19233-0635 GII 282 Aa,Ab 121 0.1 34
Show 19206-0645 HDS2735 AB 345 0.1 40
Show 19206-0645 TOK 432 AC 57 1.0 40
Show 19206-0740 LDS 678 AB 305 27.3 46
Show 19206-0740 WRH 31 BC 112 3.8 46
Show 19206-0740 LMP 41 BD 321 21.2 46
Show 19201-0640 TDT1381 177 2.4 48
Show 19200-0638 STF2494 89 25.7 50
Show 19236-0801 TDT1419 95 0.6 56
Show 19227-0612 JNN 123 80 0.1 56
Show 19215-0807 J 2265 278 3.5 62
Show 19183-0658 RST4626 248 2.4 66
Show 19267-0638 RST4629 90 0.7 67
Show 19185-0640 DAM 150 33 9.5 68
Show 19243-0813 TDT1430 282 0.4 70
Show 19205-0603 A 101 36 3.5 72
Show 19182-0636 DAM 149 279 7.7 75
Show 19176-0700 J 2691 11 3.2 75
Show 19263-0759 GWP2853 61 17.3 75
Show 19181-0638 DAM 148 AB 333 6.0 75
Show 19181-0638 DAM 148 AC 229 5.6 75
Show 19179-0638 DAM 147 25 8.0 78
Show 19184-0641 J 2260 225 4.1 79
Show 19170-0713 BRT 492 189 5.4 86
Show 19172-0741 KPP1697 196 13.1 89
Show 19240-0837 TDT1424 70 9.0 92
Show 19294-0703 TOK 4 Aa,Ab 174 0.0 100
Show 19294-0703 KUI 91 AB 225 1.6 100
Show 19294-0703 HJ 887 AC 347 34.7 100
Show 19294-0703 GAA 17 Aa1,2 202 0.0 100
Show 19188-0546 HO 575 10 5.8 101
Show 19280-0813 J 2266 173 6.3 102
Show 19260-0538 NSN 147 256 4.7 102
Show 19161-0736 GWP2830 AB 275 200.5 103
Show 19238-0851 DAM 154 334 7.2 105
Show 19230-0849 J 2546 350 3.2 105
Show 19229-0849 J 2545 337 5.9 105
Show 19280-0817 GWP2856 103 11.1 105
Show 19173-0817 TDT1353 116 1.0 107
Show 19254-0528 TDT1445 104 0.6 108
Show 19205-0525 ISO 10 Aa,Ab 56 0.5 108
Show 19205-0525 BUP 189 AB 6 112.1 108
Show 19293-0618 PLT 6 163 14.6 110
Show 19154-0737 RST4625 156 0.7 112
Show 19301-0735 RST4630 290 0.4 115

 
 
WDS 19227-0708 : COMPONENTS
 
 
  A
B pa=285.0°
sep=2.42"
 
 
19227-0708 A
 
 
Componente originario normalizzato AB Name HD 181940 Coord arcsec 2000 192242.04-070741.2 Mag 9
Spectral class F0 (yellow-white) PmRA 28.00 PmDE -12.0
CCDM
Ccdm 19227-0708 RComp Comp A Note1
Note2 Discov num DRAs 0.19 DDEs 17.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp F0 PmNote *
PmRA 38 PmDE -15 Dm number -07 4938 Cat1 BD
Name2 143330 Cat2 SAO HD 181940 M HD
ADS BDS A12360 M ADS BDS N IDS IDS 19173S0719A
HIC
 
 
19227-0708 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 192241.88-070740.6 Mag 9.65 PmRA -52.00
PmDE 12.0 Tycho2 5143-01802-2 Calc delta mag 0.65 Calc coord yes
Tycho2
Tycho2 5143-01802-2 Pflag RAmdeg 290.67438872 DEmdeg -7.12792809
PmRA -52.2 PmDE 12.2 E RAmdeg 12 E DEmdeg 16
E pmRA 2.0 E pmDE 1.9 EpRAm 1990.06 EpDEm 1987.73
Num 5 Q RAmdeg 9.9 Q DEmdeg 3.7 Q pmRA 9.9
Q pmDE 3.8 BTmag 10.168 E BTmag 0.027 VTmag 9.645
E VTmag 0.024 Prox 24 TYC T HIP
CCDM RAdeg 290.67449722 DEdeg -7.12794750 EpRA 1990 1.81
EpDE 1990 1.69 E RAdeg 12.6 E DEdeg 17.9 Posflg D
Corr -0.1
CCDM
Ccdm 19227-0708 RComp Comp B Note1
Note2 Discov num STF2503 DRAs DDEs
R dRAs Year 1829 Theta 284 Rho 2.4
Obs 14 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12360 M ADS BDS N IDS IDS 19173S0719B
HIC