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Doubles in session


Current system
18277+1918
STF 2319 AC


Nearby doubles
36' : 18254+1932
TDT 851

36' : 18302+1909
GWP2780

38' : 18303+1907
COU 508

41' : 18250+1928
VAT 3

43' : 18249+1932
TDT 845

44' : 18258+1952
BRT2446AB

53' : 18285+2010
COU 203AB

55' : 18273+2012
TDS 922

66' : 18289+1815
COU 507

78' : 18225+1854
GWP2773

82' : 18245+1810
COU 506

84' : 18245+2028
BU 1325

84' : 18240+2023
CLZ 74

87' : 18241+2027
HO 652

87' : 18338+1911
TDT 936

87' : 18308+1803
BPMA 56

91' : 18316+2030
COU 119

95' : 18298+1747
BRT2447

96' : 18320+2031
LAW 18

96' : 18210+1913
TDT 812

97' : 18293+2052
TDT 904

99' : 18292+1742
J 2912AB

101' : 18343+1841
MET 85AB

104' : 18225+2030
DAM 282

104' : 18320+1754
SLE 621

107' : 18288+1733
SLE 618



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.

18277+1918 STF 2319 AC

 
 
18h 27m 43.94s +19° 17' 43.9" P.A. 268.00 sep 43.1 mag 8.41,10.74 Sp F5
 
 
Coord 2000 18277+1918 Discov num STF2319 Comp AC Coord arcsec 2000 18 27 43.94 +19 17 43.9
Date first 1829 Date last 2018 Obs 39
Pa first 279 Pa last 268.4 P.A. Now (θ) 268.4°
Sep first 38.4 Sep last 43.121 Sep. Now (ρ) 43.121"
Mag pri 8.41 Mag sec 10.74 delta mag (ΔM) 2.33 Spectral class F5 (yellow-white)
Pri motion ra +020 Sec motion ra -006
Pri motion dec +022 Sec motion dec -014
Notes
rPM=1.494
This double is not physical.
 
 
18277+1918 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170267 103740 18 27 44 +19 17 44 STF 2319 AB 2019 121 190 5.3 8.41 8.23 0.18
Show 103740 18 27 44 +19 17 44 STF 2319 AC 2018 39 268 43.1 8.41 10.74 2.33 <===
Show 103740 18 27 44 +19 17 44 STF 2319 AD 2015 14 71 156.7 8.41 9.17 0.76
Show 18 27 44 +19 17 39 STF 2319 BC 2018 35 276 42.4 8.23 10.74 2.51
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 103740 Tycho2 1577-01902-1 Gaia DR2 4525128550381295616
 
 
WDS 18277+1918 STF 2319 AC : 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
18277+1918 STF2319 AC 2006 33 274 42.7 8.41 10.74 D 182743.94+191743.8
18277+1918 STF2319 AC 2009 34 269 43.0 8.41 10.74 D 182743.94+191743.8
18277+1918 STF2319 AC 2012 35 269 43.0 8.41 10.74 D 182743.94+191743.8
18277+1918 STF2319 AC 2015 34 269 42.9 8.41 10.74 F5 182743.94+191743.9
18277+1918 STF2319 AC 2018 35 269 43.1 8.41 10.74 F5 182743.94+191743.9

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

 
 
WDS 18277+1918 STF 2319 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18277+1918 STF 2319 AC : MEASURES
 
 
No records found.

 
 
WDS 18277+1918 : VIRTUAL EYEPIECE
 
 

18277+1918 STF2319A mag 8.41 Sp F5 18277+1918 STF2319B sep 5.4 P.A. 189.10 mag 8.23 Sp F5 18277+1918 STF2319C sep 40.7 P.A. 268.30 mag 10.74 18277+1918 STF2319D sep 148.9 P.A. 69.40 mag 9.17 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 18277+1918 : ALADIN DSS IMAGE @ 18h 27m 43.94s +19° 17' 43.9"
 
 
 
 
WDS 18277+1918 STF 2319 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18277+1918 STF2319AC distance=0' 18277+1918 STF2319BC distance=1' 18254+1932 TDT 851 distance=36' 18302+1909 GWP2780 distance=36' 18303+1907 COU 508 distance=38' 18250+1928 VAT 3 distance=41' 18249+1932 TDT 845 distance=43' 18258+1952 BRT2446AB distance=44' 18258+1952 BRT2446AC distance=44' 18285+2010 COU 203AB distance=53' 18285+2010 COU 203Aa,Ab distance=53' 18273+2012 TDS 922 distance=55' 18289+1815 COU 507 distance=66' 18225+1854 GWP2773 distance=78' 18245+1810 COU 506 distance=82' 18245+2028 BU 1325 distance=84' 18240+2023 CLZ 74 distance=84' 18241+2027 HO 652 distance=87' 18338+1911 TDT 936 distance=87' 18308+1803 BPMA 56 distance=87' 18316+2030 COU 119 distance=91' 18298+1747 BRT2447 distance=95' 18320+2031 LAW 18 distance=96' 18210+1913 TDT 812 distance=96' 18293+2052 TDT 904 distance=97' 18292+1742 J 2912AB distance=99' 18292+1742 SLE 619AC distance=99' 18343+1841 MET 85AB distance=101' 18343+1841 MET 85AC distance=101' 18343+1841 MET 85AD distance=101' 18343+1841 MET 85AE distance=101' 18343+1841 MET 85AF distance=101' 18225+2030 DAM 282 distance=104' 18320+1754 SLE 621 distance=104' 18288+1733 SLE 618 distance=107' 18218+2023 DAM 281 distance=107' 18300+1734 TDT 914 distance=109' 18223+2036 L 20 distance=110' 18214+1810 HDS2594 distance=112' 18216+2030 HO 430 distance=113' 18218+3038 L 21 distance=114' 18227+2053 DAM 283 distance=119' 18320+1735 KPP1183 distance=120' 18327+1741 TDT 934 distance=120' 18324+1737 GWP2782 distance=121' 18299+1720 COU 118AB distance=122' 18299+1720 COU 118AC distance=122' 18225+2056 AZC 104 distance=123' 18253+2116 TDT 850AB distance=124' 18346+1801 SLE 206 distance=124' 18263+1715 KPP4108 distance=124' 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 18277+1918 STF2319 AB 190 5.3
Show 18277+1918 STF2319 AD 71 156.7
Show 18277+1918 STF2319 AC 268 43.1
Show 18277+1918 STF2319 BC 276 42.4 1
Show 18254+1932 TDT 851 4 0.6 36
Show 18302+1909 GWP2780 298 57.8 36
Show 18303+1907 COU 508 254 0.9 38
Show 18250+1928 VAT 3 177 8.6 41
Show 18249+1932 TDT 845 118 0.4 43
Show 18258+1952 BRT2446 AB 323 3.4 44
Show 18258+1952 BRT2446 AC 256 8.0 44
Show 18285+2010 COU 203 AB 61 0.5 53
Show 18285+2010 COU 203 Aa,Ab 154 0.2 53
Show 18273+2012 TDS 922 206 2.4 55
Show 18289+1815 COU 507 154 0.9 66
Show 18225+1854 GWP2773 285 13.8 78
Show 18245+1810 COU 506 93 1.4 82
Show 18245+2028 BU 1325 353 5.6 84
Show 18240+2023 CLZ 74 51 87.8 84
Show 18241+2027 HO 652 352 33.2 87
Show 18338+1911 TDT 936 349 0.8 87
Show 18308+1803 BPMA 56 152 293.6 87
Show 18316+2030 COU 119 229 0.7 91
Show 18298+1747 BRT2447 359 2.8 95
Show 18320+2031 LAW 18 18 1.4 96
Show 18210+1913 TDT 812 71 0.6 96
Show 18293+2052 TDT 904 223 0.7 97
Show 18292+1742 J 2912 AB 142 6.3 99
Show 18292+1742 SLE 619 AC 102 35.7 99
Show 18343+1841 MET 85 AB 87 1.8 101
Show 18343+1841 MET 85 AC 35 2.7 101
Show 18343+1841 MET 85 AD 307 6.2 101
Show 18343+1841 MET 85 AE 114 6.9 101
Show 18343+1841 MET 85 AF 182 12.3 101
Show 18225+2030 DAM 282 245 8.0 104
Show 18320+1754 SLE 621 53 12.4 104
Show 18288+1733 SLE 618 94 19.2 107
Show 18218+2023 DAM 281 75 10.5 107
Show 18300+1734 TDT 914 277 0.5 109
Show 18223+2036 L 20 337 2.2 110
Show 18214+1810 HDS2594 319 0.3 112
Show 18216+2030 HO 430 194 2.5 113
Show 18218+3038 L 21 91 7.1 114
Show 18227+2053 DAM 283 253 7.8 119
Show 18320+1735 KPP1183 64 9.2 120
Show 18327+1741 TDT 934 128 0.8 120
Show 18324+1737 GWP2782 115 47.5 121
Show 18299+1720 COU 118 AB 204 6.6 122
Show 18299+1720 COU 118 AC 294 29.1 122
Show 18225+2056 AZC 104 274 33.6 123
Show 18253+2116 TDT 850 AB 199 0.5 124

 
 
WDS 18277+1918 : COMPONENTS
 
 
  A B C
B pa=189.1°
sep=5.37"
 
C pa=268.3°
sep=40.70"
pa=275.9°
sep=40.04"
 
D pa=69.4°
sep=148.91"
pa=67.7°
sep=151.64"
pa=73.5°
sep=187.89"
 
 
18277+1918 A
 
 
Name HD 170267 Coord arcsec 2000 182743.94+191743.9 Mag 8.41 Spectral class F5 (yellow-white)
PmRA 20.00 PmDE 22.0 SAO 103740 HIP 90479
Tycho2 1577-01902-1 HD 170267 GC 25200 BD BD+19 3651
Tycho2
Tycho2 1577-01902-1 Pflag RAmdeg 276.93285427 DEmdeg 19.29406947
PmRA 24.8 PmDE 21.1 E RAmdeg 7 E DEmdeg 10
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.53 EpDEm 1991.01
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.6 BTmag 8.922 E BTmag 0.020 VTmag 8.413
E VTmag 0.016 Prox 54 TYC T HIP 90479
CCDM B RAdeg 276.93279444 DEdeg 19.29402056 EpRA 1990 1.81
EpDE 1990 1.65 E RAdeg 6.6 E DEdeg 10.3 Posflg
Corr 0.2
SAO
SAO 103740 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 0.028 Vmag 8.1 SpType F5
Double code Source 70 CatNum 25200 DM BD+19 3651
DMcomp A BDsup HD 170267 M HD 0
GC 25200 RA1950rad 4.82389209 DE1950rad 0.33620472 PmRA2000 0.0015
PmDE2000 0.029
Hipparcos
Catalog H HIP 90479 Proxy H RAhms 18 27 43.94
DEdms +19 17 43.8 Vmag 7.52 VarFlag R Vmag G
RAdeg 276.933 DEdeg 19.2955 AstroRef A Plx 6.78
CCDM 18278+1918 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 190 Rho 5.373 HD 170267 BD BD+19 3651
CD CP Dm number +19 3651 VIred 0.62
SpType F5+... R SpType Coord arcsec 2000 182743.94+191743.8
Hipparcos 2
HIP 90479 Sn 15 So 3 Nc 2
RArad 4.8333938493 DErad 0.3367698977 Plx 6.2 PmRA 24.02
PmDE 20.78 E RArad 0.96 E DErad 0.92 E Plx 1.36
E pmRA 1.06 E pmDE 1.47 Hpmag 7.6355 E Hpmag 0.0019
SHp 0.016 VA 0 BV 0.548 E BV 0.015
VI 0.62
 
 
18277+1918 B
 
 
Coord arcsec 2000 182743.88+191738.6 Coord calc 182743.88+191738.6 Mag 8.23 Spectral class F5 (yellow-white)
PmRA 24.00 PmDE 22.0 Tycho2 1577-01492-1 Calc delta mag 0.18
Tycho2
Tycho2 1577-01492-1 Pflag RAmdeg 276.93312740 DEmdeg 19.29554276
PmRA 23.1 PmDE 19.0 E RAmdeg 7 E DEmdeg 7
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.43 EpDEm 1991.44
Num 5 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.806 E BTmag 0.019 VTmag 8.232
E VTmag 0.014 Prox 54 TYC T HIP 90479
CCDM A RAdeg 276.93307111 DEdeg 19.29549917 EpRA 1990 1.71
EpDE 1990 1.76 E RAdeg 7.4 E DEdeg 7.1 Posflg D
Corr 0.0
 
 
18277+1918 C
 
 
Coord arcsec 2000 182741.07+191742.7 Mag 10.74 PmRA -6.00 PmDE -14.0
Tycho2 1577-01878-1 Calc delta mag 2.33 Calc coord yes
Tycho2
Tycho2 1577-01878-1 Pflag RAmdeg 276.92063240 DEmdeg 19.29543969
PmRA -6.2 PmDE -14.4 E RAmdeg 52 E DEmdeg 45
E pmRA 1.6 E pmDE 1.6 EpRAm 1978.58 EpDEm 1982.16
Num 3 Q RAmdeg 0.0 Q DEmdeg 1.0 Q pmRA 0.1
Q pmDE 1.0 BTmag 11.708 E BTmag 0.094 VTmag 10.737
E VTmag 0.069 Prox 416 TYC T HIP
CCDM RAdeg 276.92064778 DEdeg 19.29547250 EpRA 1990 1.65
EpDE 1990 1.78 E RAdeg 55.5 E DEdeg 47.0 Posflg
Corr -0.1
 
 
18277+1918 D
 
 
Coord arcsec 2000 182753.79+191836.2 Mag 9.17 PmRA 36.00 PmDE -86.0
SAO 103744 Tycho2 1577-01360-1 HD 348701 DM BD+19 3653
Calc delta mag 0.76 Calc coord yes
Tycho2
Tycho2 1577-01360-1 Pflag RAmdeg 276.97654735 DEmdeg 19.31037399
PmRA 36.4 PmDE -85.8 E RAmdeg 11 E DEmdeg 12
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.09 EpDEm 1989.69
Num 10 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 9.793 E BTmag 0.023 VTmag 9.167
E VTmag 0.018 Prox 999 TYC T HIP
CCDM RAdeg 276.97645944 DEdeg 19.31057139 EpRA 1990 1.73
EpDE 1990 1.71 E RAdeg 11.0 E DEdeg 11.8 Posflg
Corr 0.1
SAO
SAO 103744 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 -0.105 Vmag 8.8 SpType G0
Double code Source 28 CatNum 6816 DM BD+19 3653
DMcomp BDsup HD 348701 M HD 0
GC RA1950rad 4.82464833 DE1950rad 0.3364806 PmRA2000 0.0015
PmDE2000 -0.105