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Doubles in session


Current system
00099+0827
STF 4
HD 531


Nearby doubles
8' : 00100+0835
A 1801

31' : 00088+0801
HDO 2

35' : 00093+0900
LDS3129

44' : 00113+0905
PLQ 2

46' : 00096+0913
SKF1820

48' : 00067+0827
SLW 7

49' : 00067+0839
LSC 3

51' : 00132+0823
PLQ 4

59' : 00073+0742
HDS 13

60' : 00138+0812
TOK 360

64' : 00065+0747
GRV 5

69' : 00137+0750
GRV 15

71' : 00092+0937
TDS1320

74' : 00061+0915
KPP2527

74' : 00050+0835
GWP 11

75' : 00082+0937
LDS9085

80' : 00150+0849
STF 12

85' : 00154+0806
HDO 8

92' : 00056+0719
LDS3120

94' : 00061+0943
HDS 7

95' : 00161+0807
BU 1342

96' : 00069+0702
PLQ 1

98' : 00110+1002
GRV 13

100' : 00161+0902
GWP 32

101' : 00166+0814
HDS 37

102' : 00031+0816
STF3054



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.

00099+0827 STF 4 (HD 531)

 
 
00h 09m 51.65s +08° 27' 11.4" P.A. 276.00 sep 5.2 mag 9.51,9.60 Sp G6V+G7V dist. 76.28 pc (248.83 l.y.)
 
 
Coord 2000 00099+0827 Discov num STF   4 Comp Coord arcsec 2000 00 09 51.65 +08 27 11.4
Date first 1829 Date last 2020 Obs 92
Pa first 272 Pa last 275.7 P.A. Now (θ) 275.7°
Sep first 5.5 Sep last 5.196 Sep. Now (ρ) 5.196"
Mag pri 9.51 Mag sec 9.60 delta mag (ΔM) 0.09 Spectral class G6V+G7V (yellow/yellow)
Pri motion ra +055 Sec motion ra +054
Pri motion dec -011 Sec motion dec -010
Notes V (Proper motion indicates physical)
rPM=0.025 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 531 Constellation Pisces HIP 795 Tycho2 0594-00396-1
Gaia DR2 2752042939643758080 HD 531 BD BD+07 9 Distance 76.28
Distance ly 248.83
 
 
WDS 00099+0827 STF 4 (HD 531) : 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
00099+0827 STF 4 2008 78 276 5.4 9.51 9.60 G5 D 000951.65+082711.4
00099+0827 STF 4 2009 79 276 5.2 9.51 9.60 G5 D 000951.65+082711.4
00099+0827 STF 4 2015 82 276 5.2 9.51 9.60 G6V+G7V V 000951.65+082711.4
00099+0827 STF 4 2016 84 277 5.2 9.51 9.60 G6V+G7V V 000951.65+082711.4
00099+0827 STF 4 2020 89 276 5.2 9.51 9.60 G6V+G7V V 000951.65+082711.4

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

 
 
WDS 00099+0827 STF 4 (HD 531) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00099+0827 STF 4 (HD 531) : MEASURES
 
 
No records found.

 
 
WDS 00099+0827 (HD 531) : VIRTUAL EYEPIECE
 
 

00099+0827 STF 4A mag 9.51 Sp G6V 00099+0827 STF 4B sep 5.1 P.A. 275.80 mag 9.6 Sp G7V 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 00099+0827 (HD 531) : ALADIN DSS IMAGE @ 00h 09m 51.65s +08° 27' 11.4"
 
 
 
 
WDS 00099+0827 STF 4 (HD 531) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00099+0827 STF 4 distance=1' 00100+0835 A 1801 distance=8' 00088+0801 HDO 2 distance=31' 00093+0900 LDS3129 distance=35' 00113+0905 PLQ 2 distance=44' 00096+0913 SKF1820 distance=46' 00067+0827 SLW 7 distance=48' 00067+0839 LSC 3 distance=49' 00132+0823 PLQ 4 distance=51' 00073+0742 HDS 13 distance=59' 00138+0812 TOK 360 distance=60' 00065+0747 GRV 5 distance=64' 00137+0750 GRV 15 distance=69' 00092+0937 TDS1320 distance=71' 00061+0915 KPP2527 distance=74' 00050+0835 GWP 11 distance=74' 00082+0937 LDS9085 distance=75' 00150+0849 STF 12 distance=80' 00154+0806 HDO 8 distance=85' 00056+0719 LDS3120 distance=92' 00061+0943 HDS 7 distance=94' 00161+0807 BU 1342 distance=95' 00069+0702 PLQ 1 distance=96' 00110+1002 GRV 13 distance=98' 00161+0902 GWP 32 distance=100' 00166+0814 HDS 37 distance=101' 00031+0816 STF3054 distance=102' 00153+0936 GWP 30 distance=106' 00034+0913 SLW9010 distance=107' 00147+0708 CVR 311 distance=107' 00174+0853 A 1803AB distance=115' 00174+0853 POP 229AB,E distance=115' 00174+0853 STF 22AB,C distance=115' 00174+0853 STF 22AB,D distance=115' 00097+1022 KPP 911 distance=115' 00110+1024 TDS1333 distance=118' 00030+0723 HJ 3233AB distance=121' 00030+0723 HJ 3233AC distance=121' 00136+0640 OCC 870 distance=121' 00113+0625 GWP 27 distance=124' 00026+0725 SLW9021 distance=125' 00023+0732 LDS9084 distance=125' 00137+0635 BU 998 distance=126' 00100+1034 UC 330 distance=127' 00135+0628 OCC 875 distance=132' 00013+0742 BU 9023CD distance=134' 00013+0742 DU 4AB distance=135' 00013+0742 BU 9023AC distance=135' 00185+0911 CVR 313 distance=135' 00057+0626 BFR 1 distance=136' 00180+0931 AG 1 distance=137' 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 00099+0827 STF 4 276 5.2 1
Show 00100+0835 A 1801 18 0.3 8
Show 00088+0801 HDO 2 131 18.6 31
Show 00093+0900 LDS3129 200 26.2 35
Show 00113+0905 PLQ 2 234 24.9 44
Show 00096+0913 SKF1820 170 6.7 46
Show 00067+0827 SLW 7 23 174.1 48
Show 00067+0839 LSC 3 16 0.6 49
Show 00132+0823 PLQ 4 159 10.5 51
Show 00073+0742 HDS 13 322 0.4 59
Show 00138+0812 TOK 360 303 6.2 60
Show 00065+0747 GRV 5 70 67.0 64
Show 00137+0750 GRV 15 220 54.0 69
Show 00092+0937 TDS1320 218 0.6 71
Show 00061+0915 KPP2527 140 22.8 74
Show 00050+0835 GWP 11 185 8.0 74
Show 00082+0937 LDS9085 288 2.7 75
Show 00150+0849 STF 12 148 11.2 80
Show 00154+0806 HDO 8 327 27.1 85
Show 00056+0719 LDS3120 14 235.1 92
Show 00061+0943 HDS 7 200 0.3 94
Show 00161+0807 BU 1342 146 6.1 95
Show 00069+0702 PLQ 1 293 21.0 96
Show 00110+1002 GRV 13 47 35.8 98
Show 00161+0902 GWP 32 185 11.6 100
Show 00166+0814 HDS 37 218 0.5 101
Show 00031+0816 STF3054 181 33.8 102
Show 00153+0936 GWP 30 30 103.6 106
Show 00034+0913 SLW9010 30 6.0 107
Show 00147+0708 CVR 311 159 17.8 107
Show 00174+0853 A 1803 AB 307 0.2 115
Show 00174+0853 POP 229 AB,E 239 75.3 115
Show 00174+0853 STF 22 AB,C 234 3.9 115
Show 00174+0853 STF 22 AB,D 151 66.8 115
Show 00097+1022 KPP 911 267 7.5 115
Show 00110+1024 TDS1333 65 0.5 118
Show 00030+0723 HJ 3233 AB 237 20.1 121
Show 00030+0723 HJ 3233 AC 325 83.5 121
Show 00136+0640 OCC 870 -1 0.1 121
Show 00113+0625 GWP 27 83 10.1 124
Show 00026+0725 SLW9021 318 8.3 125
Show 00023+0732 LDS9084 128 15.1 125
Show 00137+0635 BU 998 108 1.3 126
Show 00100+1034 UC 330 208 23.1 127
Show 00135+0628 OCC 875 -1 0.1 132
Show 00013+0742 BU 9023 CD 52 9.8 134
Show 00013+0742 DU 4 AB 264 15.2 135
Show 00013+0742 BU 9023 AC 352 168.0 135
Show 00185+0911 CVR 313 65 9.4 135
Show 00057+0626 BFR 1 43 6.1 136
Show 00180+0931 AG 1 210 11.8 137

 
 
WDS 00099+0827 : COMPONENTS
 
 
  A
B pa=275.8°
sep=5.14"
 
 
00099+0827 A
 
 
Componente originario normalizzato AB Name HD 531 Coord arcsec 2000 000951.65+082711.4 Mag 9.51
Spectral class G6V (yellow) PmRA 55.00 PmDE -11.0 HIP 795
Tycho2 0594-00396-1 HD 531 BD BD+07 9
Tycho2
Tycho2 0594-00396-1 Pflag RAmdeg 2.46520193 DEmdeg 8.45316973
PmRA 55.2 PmDE -11.4 E RAmdeg 23 E DEmdeg 23
E pmRA 2.4 E pmDE 2.3 EpRAm 1990.14 EpDEm 1990.01
Num 4 Q RAmdeg 2.4 Q DEmdeg 1.0 Q pmRA 2.4
Q pmDE 1.1 BTmag 10.292 E BTmag 0.042 VTmag 9.506
E VTmag 0.032 Prox 52 TYC T HIP 795
CCDM A RAdeg 2.46506944 DEdeg 8.45319722 EpRA 1990 1.55
EpDE 1990 1.53 E RAdeg 23.4 E DEdeg 22.9 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 795 Proxy H RAhms 00 09 51.62
DEdms +08 27 11.5 Vmag 8.64 VarFlag R Vmag G
RAdeg 2.46506 DEdeg 8.4532 AstroRef A Plx 14.21
CCDM 00099+0827 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 275 Rho 5.269 HD 531 BD BD+07 9
CD CP Dm number +07 9 VIred 1.53
SpType G5 R SpType Coord arcsec 2000 000951.62+082711.5
Hipparcos 2
HIP 795 Sn 15 So 3 Nc 2
RArad 0.0430234772 DErad 0.1475361187 Plx 13.11 PmRA 56.21
PmDE -11.41 E RArad 1.12 E DErad 0.8 E Plx 1.29
E pmRA 1.24 E pmDE 0.82 Hpmag 8.7732 E Hpmag 0.0032
SHp 0.022 VA 0 BV 0.716 E BV 0.024
VI 0.77
CCDM
Ccdm 00099+0827 RComp Comp A Note1
Note2 Discov num DRAs -2.29 DDEs 11.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp G5 PmNote *
PmRA 91 PmDE -18 Dm number +07 9 Cat1 BD
Name2 +08 11 Cat2 AGK2/3 HD 531 M HD
ADS BDS A 118 M ADS BDS N IDS IDS 00047N0754A
HIC 795
 
 
00099+0827 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 000951.31+082711.9 Mag 9.6 Spectral class G7V (yellow)
PmRA 54.00 PmDE -10.0 HIP 795 Tycho2 0594-01213-1
Calc delta mag 0.09 Calc coord yes
Tycho2
Tycho2 0594-01213-1 Pflag RAmdeg 2.46373262 DEmdeg 8.45330543
PmRA 53.9 PmDE -9.6 E RAmdeg 25 E DEmdeg 24
E pmRA 2.1 E pmDE 2.0 EpRAm 1989.44 EpDEm 1989.12
Num 5 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 10.363 E BTmag 0.044 VTmag 9.597
E VTmag 0.035 Prox 52 TYC T HIP 795
CCDM B RAdeg 2.46360500 DEdeg 8.45332861 EpRA 1990 1.52
EpDE 1990 1.51 E RAdeg 25.3 E DEdeg 25.0 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 795 Proxy H RAhms 00 09 51.62
DEdms +08 27 11.5 Vmag 8.64 VarFlag R Vmag G
RAdeg 2.46506 DEdeg 8.4532 AstroRef A Plx 14.21
CCDM 00099+0827 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 275 Rho 5.269 HD 531 BD BD+07 9
CD CP Dm number +07 9 VIred 1.53
SpType G5 R SpType Coord arcsec 2000 000951.62+082711.5
Hipparcos 2
HIP 795 Sn 15 So 3 Nc 2
RArad 0.0430234772 DErad 0.1475361187 Plx 13.11 PmRA 56.21
PmDE -11.41 E RArad 1.12 E DErad 0.8 E Plx 1.29
E pmRA 1.24 E pmDE 0.82 Hpmag 8.7732 E Hpmag 0.0032
SHp 0.022 VA 0 BV 0.716 E BV 0.024
VI 0.77
CCDM
Ccdm 00099+0827 RComp Comp B Note1
Note2 Discov num STF 4 DRAs -2.68 DDEs 11.7
R dRAs 10 Year 1829 Theta 274 Rho 5.3
Obs 31 Vmag 9.3 Sp PmNote *
PmRA 42 PmDE -7 Dm number Cat1
Name2 +08 10 Cat2 AGK2/3 HD M HD
ADS BDS A 118 M ADS BDS N IDS IDS 00047N0754B
HIC 795