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Doubles in session


Current system
08407-1156
STF 1261
HD 73940


Nearby doubles
15' : 08407-1210
STF1260

45' : 08417-1237
ALD 39

47' : 08431-1225
RST3603

56' : 08369-1154
GWP1050

66' : 08398-1052
J 2884

67' : 08365-1136
HJ 792

80' : 08365-1106
J 2883

85' : 08388-1315
SHY 201

87' : 08458-1240
RST3607

88' : 08386-1034
KPP3756

90' : 08349-1133
J 2495

94' : 08448-1044
HJ 795

95' : 08415-1329
RST3601

95' : 08445-1312
UC 1709

97' : 08461-1100
BU 1069

97' : 08343-1216
GWP1043

99' : 08408-1334
BRT1906AB

101' : 08445-1032
J 2886

102' : 08339-1213
HU 117

103' : 08365-1034
RST3599

106' : 08443-1327
J 2062

107' : 08416-1341
UC 1701

107' : 08341-1240
UC 1686

108' : 08377-1017
KPP1305

109' : 08333-1204
GWP1039

113' : 08471-1053
HU 121



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.

08407-1156 STF 1261 (HD 73940)

 
 
08h 40m 43.77s -11° 55' 37.9" P.A. 303.00 sep 29.5 mag 7.71,9.60 Sp G5 dist. 77.7 pc (253.46 l.y.)
 
 
Coord 2000 08407-1156 Discov num STF1261 Comp Coord arcsec 2000 08 40 43.77 -11 55 37.9
Date first 1831 Date last 2016 Obs 22
Pa first 302 Pa last 302.5 P.A. Now (θ) 302.5°
Sep first 29.8 Sep last 29.47 Sep. Now (ρ) 29.47"
Mag pri 7.71 Mag sec 9.60 delta mag (ΔM) 1.89 Spectral class G5 (yellow)
Pri motion ra -031 Sec motion ra -029
Pri motion dec -007 Sec motion dec -003
Notes
rPM=0.141 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 73940 Constellation Hydra SAO 154533 HIP 42581
Tycho2 5437-02458-1 Gaia DR2 5747545335954158464 HD 73940 GC 11927
BD BD-11 2426 Distance 77.7 Distance ly 253.46
 
 
WDS 08407-1156 STF 1261 (HD 73940) : 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
08407-1156 STF1261 2003 16 303 29.6 7.71 9.60 G5 D 084043.77-115537.9
08407-1156 STF1261 2008 17 303 29.6 7.71 9.60 G5 D 084043.77-115537.9
08407-1156 STF1261 2010 19 303 29.5 7.71 9.60 G5 084043.77-115537.9
08407-1156 STF1261 2016 20 303 29.5 7.71 9.60 G5 084043.77-115537.9

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

 
 
WDS 08407-1156 STF 1261 (HD 73940) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08407-1156 STF 1261 (HD 73940) : MEASURES
 
 
No records found.

 
 
WDS 08407-1156 (HD 73940) : VIRTUAL EYEPIECE
 
 

08407-1156 STF1261A mag 7.71 Sp G5 08407-1156 STF1261B sep 29.0 P.A. 303.10 mag 9.6 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 08407-1156 (HD 73940) : ALADIN DSS IMAGE @ 08h 40m 43.77s -11° 55' 37.9"
 
 
 
 
WDS 08407-1156 STF 1261 (HD 73940) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08407-1156 STF1261 distance=1' 08407-1210 STF1260 distance=15' 08417-1237 ALD 39 distance=45' 08431-1225 RST3603 distance=47' 08369-1154 GWP1050 distance=56' 08398-1052 J 2884 distance=66' 08365-1136 HJ 792 distance=67' 08365-1106 J 2883 distance=80' 08388-1315 SHY 201 distance=85' 08458-1240 RST3607 distance=87' 08386-1034 KPP3756 distance=88' 08349-1133 J 2495 distance=90' 08448-1044 HJ 795 distance=94' 08415-1329 RST3601 distance=95' 08445-1312 UC 1709 distance=95' 08461-1100 BU 1069 distance=97' 08343-1216 GWP1043 distance=97' 08408-1334 BRT1906AB distance=99' 08408-1334 DAM1467AC distance=99' 08445-1032 J 2886 distance=101' 08339-1213 HU 117 distance=102' 08365-1034 RST3599 distance=103' 08443-1327 J 2062 distance=106' 08416-1341 UC 1701 distance=107' 08341-1240 UC 1686 distance=107' 08377-1017 KPP1305 distance=108' 08333-1204 GWP1039 distance=109' 08471-1053 HU 121 distance=113' 08360-1027 GWP1048 distance=113' 08473-1257 J 2888 distance=116' 08389-1002 GWP1057 distance=117' 08485-1235 UC 1714 distance=121' 08346-1320 J 2060 distance=121' 08385-0958 DAM1428 distance=123' 08491-1121 RST3608 distance=128' 08464-1333 RST5507 distance=128' 08331-1257 A 2365 distance=129' 08491-1244 J 2064AB distance=132' 08491-1244 BRT2714BC distance=132' 08435-1403 RST3605 distance=134' 08322-1244 UC 1684 distance=134' 08493-1253 RST3609 distance=139' 08370-1403 RST3600 distance=139' 08318-1103 BRT3208 distance=142' 08394-0935 RST4415 distance=143' 08328-1323 BRT2710 distance=146' 08367-0943 HDS1238 distance=146' 08454-1407 HU 119 distance=148' 08431-1422 RST3604 distance=150' 08477-1346 UC 1712 distance=151' 08312-1100 GWP1029 distance=151' 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 08407-1156 STF1261 303 29.5 1
Show 08407-1210 STF1260 301 5.3 15
Show 08417-1237 ALD 39 358 3.0 45
Show 08431-1225 RST3603 317 0.4 47
Show 08369-1154 GWP1050 102 265.8 56
Show 08398-1052 J 2884 183 5.4 66
Show 08365-1136 HJ 792 118 15.6 67
Show 08365-1106 J 2883 66 5.3 80
Show 08388-1315 SHY 201 326 999.9 85
Show 08458-1240 RST3607 342 1.5 87
Show 08386-1034 KPP3756 90 6.4 88
Show 08349-1133 J 2495 335 6.7 90
Show 08448-1044 HJ 795 18 6.0 94
Show 08415-1329 RST3601 144 1.4 95
Show 08445-1312 UC 1709 133 10.7 95
Show 08461-1100 BU 1069 62 2.4 97
Show 08343-1216 GWP1043 77 34.7 97
Show 08408-1334 BRT1906 AB 40 3.5 99
Show 08408-1334 DAM1467 AC 108 6.4 99
Show 08445-1032 J 2886 114 6.2 101
Show 08339-1213 HU 117 26 1.2 102
Show 08365-1034 RST3599 168 8.4 103
Show 08443-1327 J 2062 199 3.7 106
Show 08416-1341 UC 1701 59 32.2 107
Show 08341-1240 UC 1686 231 25.2 107
Show 08377-1017 KPP1305 9.9 108
Show 08333-1204 GWP1039 283 4.9 109
Show 08471-1053 HU 121 97 3.8 113
Show 08360-1027 GWP1048 135 27.6 113
Show 08473-1257 J 2888 187 4.4 116
Show 08389-1002 GWP1057 341 29.1 117
Show 08485-1235 UC 1714 88 34.5 121
Show 08346-1320 J 2060 252 6.4 121
Show 08385-0958 DAM1428 236 6.0 123
Show 08491-1121 RST3608 71 2.5 128
Show 08464-1333 RST5507 266 26.8 128
Show 08331-1257 A 2365 282 1.4 129
Show 08491-1244 J 2064 AB 28 71.9 132
Show 08491-1244 BRT2714 BC 204 3.3 132
Show 08435-1403 RST3605 99 8.2 134
Show 08322-1244 UC 1684 326 70.4 134
Show 08493-1253 RST3609 132 1.1 139
Show 08370-1403 RST3600 234 0.6 139
Show 08318-1103 BRT3208 358 4.1 142
Show 08394-0935 RST4415 170 1.2 143
Show 08328-1323 BRT2710 300 2.6 146
Show 08367-0943 HDS1238 341 0.1 146
Show 08454-1407 HU 119 356 2.6 148
Show 08431-1422 RST3604 66 0.9 150
Show 08477-1346 UC 1712 316 16.8 151
Show 08312-1100 GWP1029 325 57.4 151

 
 
WDS 08407-1156 : COMPONENTS
 
 
  A
B pa=303.1°
sep=29.02"
 
 
08407-1156 A
 
 
Componente originario normalizzato AB Name HD 73940 Coord arcsec 2000 084043.77-115537.9 Mag 7.71
Spectral class G5 (yellow) PmRA -31.00 PmDE -7.0 SAO 154533
HIP 42581 Tycho2 5437-02458-1 HD 73940 GC 11927
BD BD-11 2426
Tycho2
Tycho2 5437-02458-1 Pflag RAmdeg 130.18236004 DEmdeg -11.92719434
PmRA -28.0 PmDE -3.3 E RAmdeg 6 E DEmdeg 6
E pmRA 0.8 E pmDE 0.9 EpRAm 1990.32 EpDEm 1990.26
Num 14 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 8.487 E BTmag 0.016 VTmag 7.706
E VTmag 0.012 Prox 295 TYC T HIP 42581
CCDM RAdeg 130.18242639 DEdeg -11.92718611 EpRA 1990 1.68
EpDE 1990 1.47 E RAdeg 5.5 E DEdeg 6.4 Posflg
Corr 0.1
SAO
SAO 154533 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.015 Vmag 7.8 SpType G5
Double code Source 70 CatNum 11927 DM BD-11 2426
DMcomp BDsup HD 73940 M HD 0
GC 11927 RA1950rad 2.26172374 DE1950rad -0.205055 PmRA2000 -0.0003
PmDE2000 -0.01
Hipparcos
Catalog H HIP 42581 Proxy RAhms 08 40 43.78
DEdms -11 55 37.9 Vmag 7.59 VarFlag R Vmag H
RAdeg 130.182 DEdeg -11.9272 AstroRef Plx 12.03
CCDM 08407-1156 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 73940 BD BD-11 2426
CD CP Dm number -11 2426 VIred 0.74
SpType G5 R SpType Coord arcsec 2000 084043.78-115537.9
Hipparcos 2
HIP 42581 Sn 5 So 0 Nc 1
RArad 2.2721120388 DErad -0.2081686753 Plx 12.87 PmRA -30.67
PmDE -7.15 E RArad 0.57 E DErad 0.43 E Plx 0.81
E pmRA 0.68 E pmDE 0.47 Hpmag 7.7396 E Hpmag 0.0013
SHp 0.013 VA 0 BV 0.734 E BV 0.012
VI 0.78
CCDM
Ccdm 08407-1156 RComp Comp A Note1
Note2 Discov num DRAs 1.92 DDEs 21.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp G5 PmNote *
PmRA -9 PmDE -15 Dm number -11 2426 Cat1 BD
Name2 154533 Cat2 SAO HD 73940 M HD
ADS BDS B 4727 M ADS BDS N IDS IDS 08360S1134A
HIC 42581
 
 
08407-1156 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084042.11-115522.1 Mag 9.6 PmRA -29.00
PmDE -3.0 Tycho2 5437-02462-1 Calc delta mag 1.89 Calc coord yes
Tycho2
Tycho2 5437-02462-1 Pflag RAmdeg 130.17532332 DEmdeg -11.92273977
PmRA -27.6 PmDE -3.2 E RAmdeg 20 E DEmdeg 24
E pmRA 1.4 E pmDE 1.4 EpRAm 1987.39 EpDEm 1986.55
Num 5 Q RAmdeg 1.1 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.1 BTmag 10.547 E BTmag 0.050 VTmag 9.596
E VTmag 0.031 Prox 295 TYC T HIP
CCDM RAdeg 130.17538917 DEdeg -11.92273722 EpRA 1990 1.69
EpDE 1990 1.58 E RAdeg 22.9 E DEdeg 26.5 Posflg
Corr 0.1
CCDM
Ccdm 08407-1156 RComp Comp B Note1
Note2 Discov num STF1261 DRAs DDEs
R dRAs Year 1831 Theta 302 Rho 29.6
Obs 5 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 4727 M ADS BDS N IDS IDS 08360S1134B
HIC