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Doubles in session


Current system
06540-1002
STF 988
HD 50703


Nearby doubles
8' : 06536-0957
J 1482

26' : 06556-1013
GAL 275

26' : 06523-1014
A 2734

29' : 06557-1017
GAL 277

30' : 06546-0934
TDS4278

41' : 06556-0929
STF 992

42' : 06512-1005
HJ 741

45' : 06510-1008
HJ 2349

50' : 06573-1005
A 514

50' : 06541-1052
TDS4268

50' : 06537-1051
J 2447

59' : 06579-0955
TOI 898

61' : 06508-1041
RST3471

62' : 06581-0952
GWP 855

66' : 06584-1011
A 515

72' : 06587-0952
GWP 857

74' : 06567-0901
XMI 31

75' : 06528-1112
J 2759

76' : 06584-1038
GAL 418

77' : 06512-1107
GAL 270

79' : 06490-0935
HJ 2344

80' : 06589-1035
TOI1002

84' : 06546-1125
GWP 846

85' : 06567-0848
A 2936

86' : 06582-0903
BRT 387

86' : 06586-0910
STF1003



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.

06540-1002 STF 988 (HD 50703)

 
 
06h 53m 59.18s -10° 02' 12.8" P.A. 265.00 sep 33.2 mag 9.43,9.69 Sp A2
 
 
Coord 2000 06540-1002 Discov num STF 988 Comp Coord arcsec 2000 06 53 59.18 -10 02 12.8
Date first 1831 Date last 2016 Obs 23
Pa first 264 Pa last 265.2 P.A. Now (θ) 265.2°
Sep first 33.1 Sep last 33.243 Sep. Now (ρ) 33.243"
Mag pri 9.43 Mag sec 9.69 delta mag (ΔM) 0.26 Spectral class A2 (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -004 Sec motion dec -005
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.196 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 50703 Constellation Monoceros SAO 133852 Tycho2 5384-00363-1
Gaia DR2 3050206750526087680 HD 50703
 
 
WDS 06540-1002 STF 988 (HD 50703) : NOTES
 
 
discov_num notes refcode
STF 988 B is BD-09@1714.
 
 
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
06540-1002 STF 988 2004 17 265 33.6 9.43 9.69 A2 N D 065359.18-100212.8
06540-1002 STF 988 2010 19 265 33.3 9.43 9.69 A2 N 065359.18-100212.8
06540-1002 STF 988 2015 20 265 33.2 9.43 9.69 A2 NU 065359.18-100212.8
06540-1002 STF 988 2016 23 265 33.2 9.43 9.69 A2 NU 065359.18-100212.8

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

 
 
WDS 06540-1002 STF 988 (HD 50703) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06540-1002 STF 988 (HD 50703) : MEASURES
 
 
No records found.

 
 
WDS 06540-1002 (HD 50703) : VIRTUAL EYEPIECE
 
 

06540-1002 STF 988A mag 9.43 Sp A2 06540-1002 STF 988B sep 32.7 P.A. 265.10 mag 9.69 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 06540-1002 (HD 50703) : ALADIN DSS IMAGE @ 06h 53m 59.18s -10° 02' 12.8"
 
 
 
 
WDS 06540-1002 STF 988 (HD 50703) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06540-1002 STF 988 distance=1' 06536-0957 J 1482 distance=8' 06556-1013 GAL 275 distance=26' 06523-1014 A 2734 distance=26' 06557-1017 GAL 277 distance=29' 06546-0934 TDS4278 distance=30' 06564-1016 RST3475A,BC distance=39' 06564-1016 RST3475BC distance=39' 06556-0929 STF 992 distance=41' 06512-1005 HJ 741 distance=42' 06510-1008 HJ 2349 distance=45' 06573-1005 A 514 distance=50' 06541-1052 TDS4268 distance=50' 06537-1051 J 2447 distance=50' 06579-0955 TOI 898 distance=59' 06508-1041 RST3471 distance=61' 06581-0952 GWP 855 distance=62' 06584-1011 A 515 distance=66' 06587-0952 GWP 857 distance=72' 06567-0901 XMI 31 distance=74' 06528-1112 J 2759 distance=75' 06584-1038 GAL 418 distance=76' 06512-1107 GAL 270 distance=77' 06490-0935 HJ 2344 distance=79' 06589-1035 TOI1002 distance=80' 06546-1125 GWP 846 distance=84' 06567-0848 A 2936 distance=85' 06582-0903 BRT 387 distance=86' 06586-0910 STF1003 distance=86' 06587-0911 J 2768AB distance=87' 06587-0911 DAM 48BC distance=87' 06591-1047 RST3479 distance=88' 06481-0948 A 1056 distance=89' 06599-1016 HDS 974 distance=89' 06572-0846 TDS 304 distance=90' 06555-1130 TDS4295 distance=91' 06512-1126 HLD 83 distance=93' 06551-0830 RST4325AB distance=94' 06551-0830 RST4325AC distance=94' 07000-0917 TDS 315 distance=100' 07002-0917 AG 328 distance=103' 06494-0840 A 1058Aa,Ab distance=107' 06494-0840 A 1058AB distance=107' 06494-0840 A 1058AC distance=107' 06585-1126 STF1004 distance=107' 06558-0816 KPP1328 distance=110' 06590-1124 TDS4349 distance=110' 06480-1106 STF 969 distance=110' 06558-1152 STF 993 distance=113' 07015-0942 A 3042AB distance=113' 07015-0942 A 3042AC distance=113' 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 06540-1002 STF 988 265 33.2 1
Show 06536-0957 J 1482 351 8.3 8
Show 06556-1013 GAL 275 264 7.0 26
Show 06523-1014 A 2734 158 3.2 26
Show 06557-1017 GAL 277 147 6.1 29
Show 06546-0934 TDS4278 130 0.6 30
Show 06564-1016 RST3475 A,BC 158 19.9 39
Show 06564-1016 RST3475 BC 160 0.4 39
Show 06556-0929 STF 992 300 13.9 41
Show 06512-1005 HJ 741 233 15.0 42
Show 06510-1008 HJ 2349 286 15.2 45
Show 06573-1005 A 514 103 1.5 50
Show 06541-1052 TDS4268 181 2.1 50
Show 06537-1051 J 2447 270 3.8 50
Show 06579-0955 TOI 898 37 1.3 59
Show 06508-1041 RST3471 359 0.4 61
Show 06581-0952 GWP 855 336 9.6 62
Show 06584-1011 A 515 315 1.7 66
Show 06587-0952 GWP 857 190 8.7 72
Show 06567-0901 XMI 31 309 22.2 74
Show 06528-1112 J 2759 33 8.6 75
Show 06584-1038 GAL 418 179 15.4 76
Show 06512-1107 GAL 270 47 8.4 77
Show 06490-0935 HJ 2344 240 14.8 79
Show 06589-1035 TOI1002 129 0.1 80
Show 06546-1125 GWP 846 118 49.9 84
Show 06567-0848 A 2936 66 0.5 85
Show 06582-0903 BRT 387 347 4.8 86
Show 06586-0910 STF1003 321 3.9 86
Show 06587-0911 J 2768 AB 54 5.9 87
Show 06587-0911 DAM 48 BC 38 12.0 87
Show 06591-1047 RST3479 113 0.5 88
Show 06481-0948 A 1056 260 0.4 89
Show 06599-1016 HDS 974 131 15.4 89
Show 06572-0846 TDS 304 213 1.3 90
Show 06555-1130 TDS4295 19 2.4 91
Show 06512-1126 HLD 83 161 2.9 93
Show 06551-0830 RST4325 AB 250 0.6 94
Show 06551-0830 RST4325 AC 236 8.2 94
Show 07000-0917 TDS 315 354 1.2 100
Show 07002-0917 AG 328 183 6.5 103
Show 06494-0840 A 1058 Aa,Ab 35 0.4 107
Show 06494-0840 A 1058 AB 225 16.7 107
Show 06494-0840 A 1058 AC 7 47.4 107
Show 06585-1126 STF1004 89 20.5 107
Show 06558-0816 KPP1328 28 10.1 110
Show 06590-1124 TDS4349 114 2.2 110
Show 06480-1106 STF 969 317 7.4 110
Show 06558-1152 STF 993 240 37.2 113
Show 07015-0942 A 3042 AB 92 0.2 113
Show 07015-0942 A 3042 AC 80 11.1 113

 
 
WDS 06540-1002 : COMPONENTS
 
 
  A
B pa=265.1°
sep=32.74"
 
 
06540-1002 A
 
 
Componente originario normalizzato AB Name HD 50704 Coord arcsec 2000 065359.18-100212.8 Mag 9.43
Spectral class A2 (white) PmRA -1.00 PmDE -4.0 SAO 133852
Tycho2 5384-00363-1 HD 50704 DM BD-09 1716
Tycho2
Tycho2 5384-00363-1 Pflag RAmdeg 103.49659788 DEmdeg -10.03689607
PmRA -0.1 PmDE -4.5 E RAmdeg 11 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.21 EpDEm 1989.07
Num 10 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 9.598 E BTmag 0.023 VTmag 9.426
E VTmag 0.022 Prox 332 TYC T HIP
CCDM RAdeg 103.49659917 DEdeg -10.03688528 EpRA 1990 1.87
EpDE 1990 1.86 E RAdeg 11.7 E DEdeg 13.4 Posflg
Corr 0.0
SAO
SAO 133852 DelFlag RA1950 PmRA1950 -0.0026
DE1950 PmDE1950 -0.018 Vmag 9 SpType A2
Double code Source 26 CatNum 2239 DM BD-09 1716
DMcomp BDsup HD 50704 M HD 0
GC RA1950rad 1.79600601 DE1950rad -0.17406894 PmRA2000 -0.0022
PmDE2000 -0.015
CCDM
Ccdm 06540-1002 RComp Comp A Note1
Note2 Discov num DRAs -1.00 DDEs -13.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp A2 PmNote *
PmRA -38 PmDE -18 Dm number -09 1716 Cat1 BD
Name2 133852 Cat2 SAO HD 50704 M HD
ADS BDS B 3696 M ADS BDS N IDS IDS 06492S0955A
HIC
 
 
06540-1002 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 065356.97-100215.6 Mag 9.69 PmRA -1.00
PmDE -5.0 SAO 133849 Tycho2 5384-00241-1 HD 50703
DM BD-09 1714 Calc delta mag 0.26 Calc coord yes
Tycho2
Tycho2 5384-00241-1 Pflag RAmdeg 103.48725611 DEmdeg -10.03764148
PmRA -0.3 PmDE -5.8 E RAmdeg 13 E DEmdeg 15
E pmRA 1.2 E pmDE 1.3 EpRAm 1988.36 EpDEm 1988.03
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.5 Q pmRA 0.7
Q pmDE 1.5 BTmag 9.856 E BTmag 0.025 VTmag 9.692
E VTmag 0.027 Prox 332 TYC T HIP
CCDM RAdeg 103.48725611 DEdeg -10.03762528 EpRA 1990 1.88
EpDE 1990 1.89 E RAdeg 13.6 E DEdeg 15.6 Posflg
Corr 0.0
SAO
SAO 133849 DelFlag RA1950 PmRA1950 -0.0023
DE1950 PmDE1950 -0.018 Vmag 9.1 SpType A0
Double code Source 26 CatNum 2238 DM BD-09 1714
DMcomp BDsup HD 50703 M HD 0
GC RA1950rad 1.7958443 DE1950rad -0.17408377 PmRA2000 -0.0019
PmDE2000 -0.015
CCDM
Ccdm 06540-1002 RComp Comp B Note1
Note2 Discov num STF 988 DRAs -3.20 DDEs -16.7
R dRAs 10 Year 1831 Theta 264 Rho 33.0
Obs 2 Vmag 9.6 Sp A0 PmNote *
PmRA -34 PmDE -18 Dm number -09 1714 Cat1 BD
Name2 133849 Cat2 SAO HD 50703 M HD
ADS BDS B 3696 M ADS BDS N IDS IDS 06492S0955B
HIC