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Doubles in session


Current system
19027-0043
STF 2434 A,BC
HD 176982


Nearby doubles
12' : 19021-0049
TDT1192

16' : 19027-0027
J 475AB

23' : 19037-0024
J 476

25' : 19014-0056
GII 67

25' : 19014-0057
TDS 959

34' : 19008-0027
HJ 874AB

42' : 19037-0004
BAL 902AB

43' : 19053-0026
BAL 904

48' : 19028+0131
BAL1505

50' : 18597-0019
J 1754AB

57' : 19063+0100
TDT1226

64' : 18596+0123
RST5459

64' : 19028+0146
A 2195

68' : 19035+0149
RMU 5

69' : 18582+0040
LDS5869

70' : 18583+0102
J 1268

78' : 19079+0042
HEI 174

82' : 19075+0124
BAL1507

84' : 18571-0036
BAL 900

87' : 18570-0027
BAL 899

87' : 19067+0145
BAL1506

89' : 19072+0140
TDT1235

89' : 18569-0034
J 472AB

90' : 19082+0118
EVS 39AB

90' : 18573+0121
J 2158

93' : 19040+0213
BAL1974



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.

19027-0043 STF 2434 A,BC (HD 176982)

 
 
19h 02m 44.38s -00° 42' 40.4" P.A. 88.00 sep 27.8 mag 8.44,8.93 Sp G5 dist. 111.73 pc (364.46 l.y.)
 
 
Coord 2000 19027-0043 Discov num STF2434 Comp A,BC Coord arcsec 2000 19 02 44.38 -00 42 40.4
Date first 1783 Date last 2019 Obs 138
Pa first 160 Pa last 88 P.A. Now (θ) 88°
Sep first 17.1 Sep last 27.764 Sep. Now (ρ) 27.764"
Mag pri 8.44 Mag sec 8.93 delta mag (ΔM) 0.49 Spectral class G5 (yellow)
Pri motion ra -031 Sec motion ra +040
Pri motion dec -126 Sec motion dec -006
Notes L W (Linear solution, )
rPM=1.075
This double is not physical.
 
 
19027-0043 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 176982 142955 19 02 44 -00 42 40 STF 2434 A,BC 2019 138 88 27.8 8.44 8.93 0.49 <===
Show 142957 19 02 46 -00 42 42 STF 2434 BC 2021 97 257 0.8 9.68 9.38 0.30 Y
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 176982 Constellation Aquila SAO 142955 HIP 93518
Tycho2 5128-00405-1 HD 176982 GC 26185 GL Gl 740.1
BD BD-00 3631 Distance 111.73 Distance ly 364.46
 
 
WDS 19027-0043 STF 2434 A,BC (HD 176982) : 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
19027-0043 STF2434 A,BC 2010 108 90 27.1 8.44 8.93 G5 NLD 190244.38-004240.4
19027-0043 STF2434 A,BC 2014 110 89 27.4 8.44 8.93 G5 LD 190244.38-004240.4
19027-0043 STF2434 A,BC 2016 122 89 27.7 8.44 8.93 G5 L 190244.38-004240.4
19027-0043 STF2434 A,BC 2017 123 89 27.6 8.44 8.93 G5 LW 190244.38-004240.4
19027-0043 STF2434 A,BC 2019 132 88 27.8 8.44 8.93 G5 LW 190244.38-004240.4

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

 
 
WDS 19027-0043 STF 2434 A,BC (HD 176982) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19027-0043 STF 2434 A,BC (HD 176982) : MEASURES
 
 
No records found.

 
 
WDS 19027-0043 (HD 176982) : VIRTUAL EYEPIECE
 
 

19027-0043 STF2434A mag 8.44 Sp G5 19027-0043 STF2434B sep 26.6 P.A. 86.80 mag 9.68 Sp G5 19027-0043 STF2434C sep 25.8 P.A. 87.10 mag 9.38 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 19027-0043 (HD 176982) : ALADIN DSS IMAGE @ 19h 02m 44.38s -00° 42' 40.4"
 
 
 
 
WDS 19027-0043 STF 2434 A,BC (HD 176982) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19027-0043 STF2434A,BC distance=0' 19027-0043 STF2434BC distance=1' 19021-0049 TDT1192 distance=12' 19027-0027 J 475AB distance=16' 19027-0027 J 475AC distance=16' 19027-0027 J 475AD distance=16' 19037-0024 J 476 distance=23' 19014-0056 GII 67 distance=25' 19014-0057 TDS 959 distance=25' 19008-0027 HJ 874AB distance=34' 19008-0027 HJ 874AC distance=34' 19037-0004 BAL 902AB distance=42' 19037-0004 WSI 160AC distance=42' 19037-0004 WSI 160BC distance=42' 19053-0026 BAL 904 distance=43' 19028+0131 BAL1505 distance=48' 18597-0019 J 1754AB distance=50' 18597-0019 J 1754AC distance=50' 19063+0100 TDT1226 distance=57' 18596+0123 RST5459 distance=64' 19028+0146 A 2195 distance=64' 19035+0149 RMU 5 distance=68' 18582+0040 LDS5869 distance=69' 18583+0102 J 1268 distance=70' 19079+0042 HEI 174 distance=78' 19075+0124 BAL1507 distance=82' 18571-0036 BAL 900 distance=84' 18570-0027 BAL 899 distance=87' 19067+0145 BAL1506 distance=87' 19072+0140 TDT1235 distance=89' 18569-0034 J 472AB distance=89' 18569-0034 J 2682AC distance=89' 19082+0118 EVS 39AB distance=90' 19082+0118 EVS 39AC distance=90' 19082+0118 EVS 39AD distance=90' 19082+0118 EVS 39AE distance=90' 19082+0118 EVS 39AF distance=90' 19082+0118 EVS 39AG distance=90' 18573+0121 J 2158 distance=90' 19040+0213 BAL1974 distance=93' 18568+0013 RST5458 distance=94' 19089+0104 J 2688 distance=94' 19087+0115 J 479 distance=95' 18563-0048 A 1171AB distance=97' 18563-0048 STF2414AC distance=97' 18562-0034 BU 972AB distance=99' 18562-0034 BU 972AC distance=99' 19078+0147 HDS2712 distance=100' 18562-0050 BAL 897AB distance=100' 18562-0050 BAL 897AC distance=100' 19090+0121 RST5460AB distance=102' 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 19027-0043 STF2434 A,BC 88 27.8
Show 19027-0043 STF2434 BC 257 0.8 1
Show 19021-0049 TDT1192 314 0.5 12
Show 19027-0027 J 475 AB 276 3.1 16
Show 19027-0027 J 475 AC 326 33.8 16
Show 19027-0027 J 475 AD 269 17.1 16
Show 19037-0024 J 476 294 4.8 23
Show 19014-0056 GII 67 188 5.2 25
Show 19014-0057 TDS 959 320 0.8 25
Show 19008-0027 HJ 874 AB 345 10.5 34
Show 19008-0027 HJ 874 AC 299 25.3 34
Show 19037-0004 BAL 902 AB 348 10.6 42
Show 19037-0004 WSI 160 AC 319 9.0 42
Show 19037-0004 WSI 160 BC 226 5.1 42
Show 19053-0026 BAL 904 221 14.4 43
Show 19028+0131 BAL1505 356 18.6 48
Show 18597-0019 J 1754 AB 246 9.1 50
Show 18597-0019 J 1754 AC 356 8.1 50
Show 19063+0100 TDT1226 114 0.9 57
Show 18596+0123 RST5459 359 0.7 64
Show 19028+0146 A 2195 39 2.0 64
Show 19035+0149 RMU 5 122 0.3 68
Show 18582+0040 LDS5869 310 3.8 69
Show 18583+0102 J 1268 191 1.7 70
Show 19079+0042 HEI 174 298 3.6 78
Show 19075+0124 BAL1507 91 8.4 82
Show 18571-0036 BAL 900 18 16.4 84
Show 18570-0027 BAL 899 197 10.3 87
Show 19067+0145 BAL1506 69 7.8 87
Show 19072+0140 TDT1235 15 1.0 89
Show 18569-0034 J 472 AB 120 5.0 89
Show 18569-0034 J 2682 AC 13 19.1 89
Show 19082+0118 EVS 39 AB 67 3.8 90
Show 19082+0118 EVS 39 AC 77 5.2 90
Show 19082+0118 EVS 39 AD 51 6.6 90
Show 19082+0118 EVS 39 AE 155 9.6 90
Show 19082+0118 EVS 39 AF 267 12.5 90
Show 19082+0118 EVS 39 AG 129 14.1 90
Show 18573+0121 J 2158 62 6.1 90
Show 19040+0213 BAL1974 295 1.5 93
Show 18568+0013 RST5458 322 0.8 94
Show 19089+0104 J 2688 129 4.3 94
Show 19087+0115 J 479 23 4.3 95
Show 18563-0048 A 1171 AB 80 0.9 97
Show 18563-0048 STF2414 AC 278 17.1 97
Show 18562-0034 BU 972 AB 2 1.1 99
Show 18562-0034 BU 972 AC 13 74.0 99
Show 19078+0147 HDS2712 26 0.3 100
Show 18562-0050 BAL 897 AB 168 13.6 100
Show 18562-0050 BAL 897 AC 166 14.2 100
Show 19090+0121 RST5460 AB 200 5.3 102

 
 
WDS 19027-0043 : COMPONENTS
 
 
  A B
B pa=86.8°
sep=26.59"
 
C pa=87.1°
sep=25.83"
pa=256.9°
sep=0.77"
 
 
19027-0043 A
 
 
Name HD 176982 Coord arcsec 2000 190244.38-004240.4 Mag 8.44 Spectral class G5 (yellow)
PmRA -31.00 PmDE -126.0 SAO 142955 HIP 93518
Tycho2 5128-00405-1 HD 176982 GC 26185 BD BD-00 3631
Tycho2
Tycho2 5128-00405-1 Pflag RAmdeg 285.68497715 DEmdeg -0.71122265
PmRA -32.2 PmDE -126.1 E RAmdeg 8 E DEmdeg 9
E pmRA 0.9 E pmDE 0.9 EpRAm 1989.91 EpDEm 1989.85
Num 15 Q RAmdeg 0.9 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 9.275 E BTmag 0.020 VTmag 8.437
E VTmag 0.015 Prox 260 TYC T HIP 93518
CCDM RAdeg 285.68505028 DEdeg -0.71093361 EpRA 1990 1.83
EpDE 1990 1.75 E RAdeg 7.9 E DEdeg 9.1 Posflg
Corr -0.2
SAO
SAO 142955 DelFlag RA1950 PmRA1950 -0.0025
DE1950 PmDE1950 -0.125 Vmag 8.2 SpType G5
Double code Source 70 CatNum 26185 DM BD-00 3631
DMcomp BDsup HD 176982 M HD 0
GC 26185 RA1950rad 4.9749033 DE1950rad -0.01367116 PmRA2000 -0.0023
PmDE2000 -0.126
Hipparcos
Catalog H HIP 93518 Proxy RAhms 19 02 44.41
DEdms -00 42 39.3 Vmag 8.36 VarFlag R Vmag G
RAdeg 285.685 DEdeg -0.710918 AstroRef Plx 10.52
CCDM 19028-0043 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 176982 BD BD-00 3631
CD CP Dm number -00 3631 VIred 0.79
SpType G5 R SpType Coord arcsec 2000 190244.41-004239.3
Hipparcos 2
HIP 93518 Sn 5 So 0 Nc 1
RArad 4.9861448978 DErad -0.0124078624 Plx 8.95 PmRA -34.02
PmDE -128.25 E RArad 1.32 E DErad 0.97 E Plx 1.54
E pmRA 1.4 E pmDE 1.16 Hpmag 8.4872 E Hpmag 0.0033
SHp 0.039 VA 0 BV 0.738 E BV 0.005
VI 0.79
 
 
19027-0043 B
 
 
Coord arcsec 2000 190246.15-004241.9 Mag 9.68 Spectral class G5 (yellow) PmRA 37.00
PmDE -9.0 SAO 142957 HIP 93519 Tycho2 5128-00267-1
HD 176983 GC 26189 BD BD-00 3632 Calc delta mag 1.24
Tycho2
Tycho2 5128-00267-1 Pflag RAmdeg 285.69233424 DEmdeg -0.71165046
PmRA 37.3 PmDE -8.5 E RAmdeg 10 E DEmdeg 12
E pmRA 1.0 E pmDE 1.0 EpRAm 1989.35 EpDEm 1988.21
Num 11 Q RAmdeg 0.7 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 9.720 E BTmag 0.025 VTmag 8.926
E VTmag 0.018 Prox 260 TYC T HIP 93519
CCDM RAdeg 285.69225000 DEdeg -0.71163111 EpRA 1990 1.82
EpDE 1990 1.73 E RAdeg 11.3 E DEdeg 12.9 Posflg P
Corr -0.2
SAO
SAO 142957 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 -0.014 Vmag 8.9 SpType G5
Double code Source 70 CatNum 26189 DM BD-00 3632
DMcomp BDsup HD 176983 M HD 0
GC 26189 RA1950rad 4.97501267 DE1950rad -0.0137082 PmRA2000 0.0016
PmDE2000 -0.015
Hipparcos
Catalog H HIP 93519 Proxy RAhms 19 02 46.15
DEdms -00 42 41.9 Vmag 8.8 VarFlag R Vmag G
RAdeg 285.692 DEdeg -0.711634 AstroRef Plx 14.57
CCDM 19028-0043 N CCDM I Nsys 2 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD 176983 BD BD-00 3632
CD CP Dm number -00 3632 VIred 0.77
SpType G5 R SpType Coord arcsec 2000 190246.15-004241.9
Hipparcos 2
HIP 93519 Sn 1 So 2 Nc 1
RArad 4.9862708988 DErad -0.0124203843 Plx 14.95 PmRA 42.38
PmDE 0.29 E RArad 3.17 E DErad 2.36 E Plx 3.8
E pmRA 3.39 E pmDE 2.74 Hpmag 8.89 E Hpmag 0.0061
SHp 0.052 VA 0 BV 0.723 E BV 0.003
VI 0.77
 
 
19027-0043 C
 
 
Coord arcsec 2000 190246.10+004241.7 Mag 9.38 PmRA 37.00 PmDE -9.0
Calc delta mag 0.94 Calc coord yes