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Doubles in session


Current system
05546+0521
STF 815 AB
HD 39731


Nearby doubles
31' : 05549+0552
STF 816

40' : 05553+0443
STF 818

41' : 05535+0559
TVB 110

45' : 05531+0443
CFN 4

52' : 05532+0434
GWP 721

53' : 05550+0613
A 2658

63' : 05583+0452
BAL2647

65' : 05538+0623
J 1116

68' : 05573+0434
BAL2646

73' : 05538+0633
A 2714

74' : 05512+0429
BAL2644

84' : 05490+0514
GWP 711

85' : 05498+0605
HJ 712

91' : 05503+0417
BAL2643AB

91' : 05565+0355
I 748

92' : 05551+0350
BAL2157

93' : 05492+0436
SKF2450

94' : 05486+0547
SKF2371

95' : 05576+0358
BAL2158

97' : 05482+0537
HEI 843

100' : 05485+0442
STF 797

101' : 05549+0702
STF 817

114' : 06021+0539
TDS3508

115' : 05470+0537
GWP 708

116' : 05578+0706
HJ 34

119' : 05480+0627
STF 795



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.

05546+0521 STF 815 AB (HD 39731)

 
 
05h 54m 35.83s +05° 21' 13.4" P.A. 137.00 sep 13.1 mag 8.35,9.82 Sp G5 dist. 1666.67 pc (5436.68 l.y.)
 
 
Coord 2000 05546+0521 Discov num STF 815 Comp AB Coord arcsec 2000 05 54 35.83 +05 21 13.4
Date first 1831 Date last 2016 Obs 25
Pa first 140 Pa last 137.1 P.A. Now (θ) 137.1°
Sep first 12.0 Sep last 13.104 Sep. Now (ρ) 13.104"
Mag pri 8.35 Mag sec 9.82 delta mag (ΔM) 1.47 Spectral class G5 (yellow)
Pri motion ra -011 Sec motion ra -010
Pri motion dec -012 Sec motion dec -009
Notes
rPM=0.194 (< 0.3, Physical double)
This double is physical.
 
 
05546+0521 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 39731 113262 05 54 36 +05 21 13 STF 815 AB 2016 25 137 13.1 8.35 9.82 1.47 <===
Show 113262 05 54 36 +05 21 13 STF 815 AC 2015 19 309 85.4 8.35 9.75 1.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 39731 Constellation Orion SAO 113262 HIP 27930
Tycho2 0125-00111-1 Gaia DR2 3320196400563017856 HD 39731 GC 7433
ADS 4496 BD BD+05 1043 Distance 1666.67 Distance ly 5436.68
 
 
WDS 05546+0521 STF 815 AB (HD 39731) : 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
05546+0521 STF 815 AB 2004 16 137 12.8 8.35 9.82 G5 D 055435.83+052113.4
05546+0521 STF 815 AB 2011 18 136 12.9 8.35 9.82 G5 D 055435.83+052113.4
05546+0521 STF 815 AB 2014 19 138 13.5 8.35 9.82 G5 055435.83+052113.4
05546+0521 STF 815 AB 2015 20 137 13.1 8.35 9.82 G5 055435.83+052113.4
05546+0521 STF 815 AB 2016 25 137 13.1 8.35 9.82 G5 055435.83+052113.4

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

 
 
WDS 05546+0521 STF 815 AB (HD 39731) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05546+0521 STF 815 AB (HD 39731) : MEASURES
 
 
No records found.

 
 
WDS 05546+0521 (HD 39731) : VIRTUAL EYEPIECE
 
 

05546+0521 STF 815A mag 8.35 Sp G5 05546+0521 STF 815B sep 13.1 P.A. 137.20 mag 9.82 05546+0521 STF 815C sep 85.1 P.A. 309.00 mag 9.75 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 05546+0521 (HD 39731) : ALADIN DSS IMAGE @ 05h 54m 35.83s +05° 21' 13.4"
 
 
 
 
WDS 05546+0521 STF 815 AB (HD 39731) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05546+0521 STF 815AB distance=0' 05549+0552 STF 816 distance=31' 05553+0443 STF 818 distance=40' 05535+0559 TVB 110 distance=41' 05531+0443 CFN 4 distance=45' 05532+0434 GWP 721 distance=52' 05550+0613 A 2658 distance=53' 05583+0452 BAL2647 distance=63' 05538+0623 J 1116 distance=65' 05573+0434 BAL2646 distance=68' 05538+0633 A 2714 distance=73' 05512+0429 BAL2644 distance=74' 05490+0514 GWP 711 distance=84' 05498+0605 HJ 712 distance=85' 05503+0417 BAL2643AB distance=91' 05503+0417 FYM 213AC distance=91' 05565+0355 I 748 distance=91' 05551+0350 BAL2157 distance=92' 05492+0436 SKF2450 distance=93' 05486+0547 SKF2371 distance=94' 05576+0358 BAL2158 distance=95' 05482+0537 HEI 843 distance=97' 05485+0442 STF 797 distance=100' 05549+0702 STF 817 distance=101' 06021+0539 TDS3508 distance=114' 05470+0537 GWP 708 distance=115' 05578+0706 HJ 34 distance=116' 05480+0627 STF 795 distance=119' 05480+0414 TDS3349 distance=120' 05465+0515 VNI 2 distance=121' 05552+0724 H 6 39Aa,Ab (Betelgeuse) distance=124' 05552+0724 KAR 1Aa,Ac (Betelgeuse) distance=124' 05552+0724 H 6 39AB (Betelgeuse) distance=124' 05552+0724 H 6 39AC (Betelgeuse) distance=124' 05552+0724 H 6 39AD (Betelgeuse) distance=124' 05552+0724 H 6 39AE (Betelgeuse) distance=124' 05552+0724 SLE 831AF (Betelgeuse) distance=124' 05552+0724 SLE 831AG (Betelgeuse) distance=124' 05552+0724 SLE 831AH (Betelgeuse) distance=124' 05552+0724 SMR 29AI (Betelgeuse) distance=124' 05552+0724 SMR 29AJ (Betelgeuse) distance=124' 05553+0729 DOO 95 distance=128' 05483+0354 J 36 distance=129' 06031+0544 TDS3520 distance=130' 05458+0534 BRT2113 distance=132' 05468+0623 J 35 distance=132' 05455+0452 TDS 194 distance=140' 06033+0615 SKF2626 distance=141' 06028+0411 BAL2648 distance=142' 06030+0630 J 16AB distance=143' 06030+0630 DOO9003AC distance=143' 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 05546+0521 STF 815 AB 137 13.1
Show 05546+0521 STF 815 AC 309 85.4
Show 05549+0552 STF 816 287 4.0 31
Show 05553+0443 STF 818 278 5.9 40
Show 05535+0559 TVB 110 337 2.6 41
Show 05531+0443 CFN 4 278 1.5 45
Show 05532+0434 GWP 721 205 12.5 52
Show 05550+0613 A 2658 73 0.4 53
Show 05583+0452 BAL2647 343 10.4 63
Show 05538+0623 J 1116 270 2.3 65
Show 05573+0434 BAL2646 117 11.2 68
Show 05538+0633 A 2714 322 0.8 73
Show 05512+0429 BAL2644 355 18.1 74
Show 05490+0514 GWP 711 135 90.8 84
Show 05498+0605 HJ 712 84 9.1 85
Show 05503+0417 BAL2643 AB 356 16.6 91
Show 05503+0417 FYM 213 AC 123 27.9 91
Show 05565+0355 I 748 35 1.0 91
Show 05551+0350 BAL2157 258 8.8 92
Show 05492+0436 SKF2450 55 4.9 93
Show 05486+0547 SKF2371 163 17.0 94
Show 05576+0358 BAL2158 255 8.3 95
Show 05482+0537 HEI 843 253 0.7 97
Show 05485+0442 STF 797 17 7.3 100
Show 05549+0702 STF 817 73 18.6 101
Show 06021+0539 TDS3508 259 0.8 114
Show 05470+0537 GWP 708 46 15.0 115
Show 05578+0706 HJ 34 316 5.6 116
Show 05480+0627 STF 795 220 1.0 119
Show 05480+0414 TDS3349 138 0.4 120
Show 05465+0515 VNI 2 238 8.9 121
Show Betelgeuse 05552+0724 H 6 39 Aa,Ab 273 0.1 124
Show Betelgeuse 05552+0724 KAR 1 Aa,Ac 278 0.5 124
Show Betelgeuse 05552+0724 H 6 39 AB 114 36.4 124
Show Betelgeuse 05552+0724 H 6 39 AC 288 64.2 124
Show Betelgeuse 05552+0724 H 6 39 AD 346 71.5 124
Show Betelgeuse 05552+0724 H 6 39 AE 155 176.1 124
Show Betelgeuse 05552+0724 SLE 831 AF 266 168.4 124
Show Betelgeuse 05552+0724 SLE 831 AG 47 148.7 124
Show Betelgeuse 05552+0724 SLE 831 AH 294 240.0 124
Show Betelgeuse 05552+0724 SMR 29 AI 237 217.8 124
Show Betelgeuse 05552+0724 SMR 29 AJ 258 190.7 124
Show 05553+0729 DOO 95 173 8.3 128
Show 05483+0354 J 36 95 1.4 129
Show 06031+0544 TDS3520 272 0.5 130
Show 05458+0534 BRT2113 17 4.9 132
Show 05468+0623 J 35 8 0.4 132
Show 05455+0452 TDS 194 227 1.9 140
Show 06033+0615 SKF2626 23 7.1 141
Show 06028+0411 BAL2648 143 3.5 142
Show 06030+0630 J 16 AB 181 2.7 143

 
 
WDS 05546+0521 : COMPONENTS
 
 
  A B
B pa=137.2°
sep=13.08"
 
C pa=309.0°
sep=85.13"
pa=310.1°
sep=98.09"
 
 
05546+0521 A
 
 
Name HD 39731 Coord arcsec 2000 055435.83+052113.4 Mag 8.35 Spectral class G5 (yellow)
PmRA -11.00 PmDE -12.0 SAO 113262 HIP 27932
Tycho2 0125-00111-1 HD 39731 GC 7433 ADS 4496
BD BD+05 1043
Tycho2
Tycho2 0125-00111-1 Pflag RAmdeg 88.64927531 DEmdeg 5.35367776
PmRA -9.9 PmDE -15.2 E RAmdeg 8 E DEmdeg 10
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.42 EpDEm 1989.92
Num 12 Q RAmdeg 1.6 Q DEmdeg 2.5 Q pmRA 1.7
Q pmDE 2.5 BTmag 9.330 E BTmag 0.021 VTmag 8.353
E VTmag 0.014 Prox 130 TYC T HIP 27932
CCDM A RAdeg 88.64929694 DEdeg 5.35371278 EpRA 1990 1.87
EpDE 1990 1.82 E RAdeg 7.6 E DEdeg 9.5 Posflg
Corr 0.1
SAO
SAO 113262 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 0 Vmag 7.9 SpType G5
Double code Source 70 CatNum 7433 DM BD+05 1043
DMcomp AB BDsup HD 39731 M HD 0
GC 7433 RA1950rad 1.53558735 DE1950rad 0.09330137 PmRA2000 -0.0007
PmDE2000 0
Hipparcos
Catalog H HIP 27932 Proxy RAhms 05 54 35.83
DEdms +05 21 13.4 Vmag 8.26 VarFlag R Vmag H
RAdeg 88.6493 DEdeg 5.35371 AstroRef A Plx 7.15
CCDM 05546+0522 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 39731 BD BD+05 1043
CD CP Dm number +05 1043 VIred 0.91
SpType G5 R SpType Coord arcsec 2000 055435.83+052113.4
Hipparcos 2
HIP 27932 Sn 95 So 3 Nc 1
RArad 1.5472221347 DErad 0.0934398822 Plx 7.24 PmRA -9.47
PmDE -8.65 E RArad 1.43 E DErad 1.04 E Plx 1.65
E pmRA 1.85 E pmDE 1.24 Hpmag 8.4191 E Hpmag 0.0076
SHp 0.028 VA 0 BV 0.873 E BV 0.019
VI 0.88
 
 
05546+0521 B
 
 
Coord arcsec 2000 055436.42+052103.8 Mag 9.82 PmRA -10.00 PmDE -9.0
HIP 27930 Tycho2 0125-01669-1 HD 249135 Calc delta mag 1.47
Calc coord yes
Tycho2
Tycho2 0125-01669-1 Pflag RAmdeg 88.65174285 DEmdeg 5.35105011
PmRA -9.7 PmDE -7.8 E RAmdeg 23 E DEmdeg 29
E pmRA 2.6 E pmDE 2.5 EpRAm 1990.90 EpDEm 1990.10
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.2 Q pmRA 0.1
Q pmDE 0.2 BTmag 10.592 E BTmag 0.049 VTmag 9.819
E VTmag 0.037 Prox 130 TYC T HIP 27930
CCDM B RAdeg 88.65176500 DEdeg 5.35106806 EpRA 1990 1.86
EpDE 1990 1.77 E RAdeg 23.3 E DEdeg 28.6 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 27930 Proxy RAhms 05 54 36.43
DEdms +05 21 03.7 Vmag 10.28 VarFlag R Vmag H
RAdeg 88.6518 DEdeg 5.35104 AstroRef B Plx -1.71
CCDM 05546+0522 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.65
SpType R SpType Coord arcsec 2000 055436.43+052103.7
Hipparcos 2
HIP 27930 Sn 95 So 3 Nc 1
RArad 1.5472654501 DErad 0.0933933001 Plx 0.6 PmRA -14.3
PmDE -9.23 E RArad 2.11 E DErad 1.47 E Plx 2.18
E pmRA 2.46 E pmDE 1.76 Hpmag 10.4615 E Hpmag 0.04
SHp 0 VA 0 BV 0.499 E BV 0.071
VI 0.57
 
 
05546+0521 C
 
 
Coord arcsec 2000 055431.40+052207.0 Mag 9.75 PmRA 17.00 PmDE -10.0
Tycho2 0125-00069-1 Calc delta mag 1.4 Calc coord yes
Tycho2
Tycho2 0125-00069-1 Pflag RAmdeg 88.63063691 DEmdeg 5.36858585
PmRA 17.3 PmDE -11.5 E RAmdeg 17 E DEmdeg 21
E pmRA 1.7 E pmDE 1.8 EpRAm 1988.92 EpDEm 1987.73
Num 7 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.385 E BTmag 0.037 VTmag 9.745
E VTmag 0.033 Prox 859 TYC T HIP
CCDM RAdeg 88.63059667 DEdeg 5.36861056 EpRA 1990 1.85
EpDE 1990 1.87 E RAdeg 19.1 E DEdeg 23.8 Posflg
Corr 0.0