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Doubles in session


Current system
05427-6708
I 745
HD 38746


Nearby doubles
31' : 05429-6739
UC 1351

36' : 05478-6729
UC 1357

40' : 05461-6743
DAW 190

40' : 05464-6742
HJ 3701

46' : 05393-6750
OGL 395

46' : 05474-6745
HJ 3813

48' : 05349-6654
HJ 3790

60' : 05326-6705
DON 114

60' : 05356-6752
KPP3620AB

62' : 05426-6810
OGL 407AB

63' : 05420-6606
CTI7661

64' : 05438-6811
OGL 409

69' : 05322-6741
MLO 19AB

71' : 05308-6655
BRT1966

73' : 05551-6719
LDS6193

74' : 05303-6653
DON 113AB

75' : 05299-6708
MLO 18

76' : 05315-6749
OGL 375

76' : 05327-6758
OGL 377

79' : 05294-6719
SKF1980

80' : 05356-6601
SKF1610

80' : 05439-6827
OGL 410

81' : 05309-6628
BRT1965

83' : 05340-6814
OGL 380

85' : 05488-6552
HJ 3815

86' : 05345-6559
UC 1330



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.

05427-6708 I 745 (HD 38746)

 
 
05h 42m 41.65s -67° 08' 19.5" P.A. 192.00 sep 0.1 mag 7.72,10.26 Sp F7V dist. 84.96 pc (277.14 l.y.)
 
 
Coord 2000 05427-6708 Discov num I   745 Comp Coord arcsec 2000 05 42 41.65 -67 08 19.5
Date first 1910 Date last 2021 Obs 9
Pa first 240 Pa last 192.2 P.A. Now (θ) 192.2°
Sep first 1.0 Sep last 0.052 Sep. Now (ρ) 0.052"
Mag pri 7.72 Mag sec 10.26 delta mag (ΔM) 2.54 Spectral class F7V (yellow-white)
Pri motion ra +032 Sec motion ra
Pri motion dec -039 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 38746 Constellation Dorado SAO 249339 HIP 26904
Tycho2 8891-03264-1 Gaia DR2 4659455198786053376 HD 38746 GC 7205
CP CP-67 496 Distance 84.96 Distance ly 277.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)208y± 33 Periastron (T)2017.19y± 0.29 Semi-major axis (a)0.568a± 0.051
Eccentricity (e)0.775± 0.021 Inclination (i)72.1°± 1.4 Longitude of periastron (ω)205.8°± 2.4
Node (Ω)238.3°± 2.2 Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 293.7 0.158
2001 298.5 0.145
2002 304.1 0.133
2003 310.8 0.122
2004 318.8 0.113
2005 327.9 0.105
2006 338.2 0.101
2007 349.0 0.099
2008 359.9 0.101
2009 10.2 0.105
2010 19.5 0.111
2011 27.7 0.119
2012 34.9 0.127
2013 41.3 0.134
2014 47.1 0.138
2015 52.7 0.139
2016 58.5 0.133
2017 65.3 0.120
2018 74.3 0.099
2019 88.9 0.075
2020 115.8 0.055
2021 155.2 0.054
2022 184.6 0.072
2023 200.0 0.099
2024 208.6 0.128
2025 213.9 0.158
2026 217.6 0.187
2027 220.3 0.215
2028 222.4 0.242
2029 224.1 0.267
2030 225.5 0.292


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds05427-6708a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 05427-6708 I 745 (HD 38746) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2019c St j Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. 2019AJ....158...48T
Tok2019c +orb AJ 158, 48, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05427-6708 I 745 1991 3 272 0.3 7.72 10.26 F7V 054241.65-670819.5
05427-6708 I 745 2017 6 74 0.1 7.72 10.26 F7V 054241.65-670819.5
05427-6708 I 745 2018 7 83 0.1 7.72 10.26 F7V 054241.65-670819.5
05427-6708 I 745 2021 9 192 0.1 7.72 10.26 F7V O 054241.65-670819.5

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

 
 
WDS 05427-6708 I 745 (HD 38746) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05427-6708 I 745 (HD 38746) : MEASURES
 
 
No records found.

 
 
WDS 05427-6708 (HD 38746) : VIRTUAL EYEPIECE
 
 

05427-6708 I 745A mag 7.72 Sp F7V 05427-6708 I 745B sep 0.1 P.A. 184.80 mag 10.26 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 05427-6708 (HD 38746) : ALADIN DSS IMAGE @ 05h 42m 41.65s -67° 08' 19.5"
 
 
 
 
WDS 05427-6708 I 745 (HD 38746) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05427-6708 I 745 distance=0' 05429-6739 UC 1351 distance=31' 05478-6729 UC 1357 distance=36' 05461-6743 DAW 190 distance=40' 05464-6742 HJ 3701 distance=40' 05393-6750 OGL 395 distance=46' 05474-6745 HJ 3813 distance=46' 05349-6654 HJ 3790 distance=48' 05326-6705 DON 114 distance=60' 05356-6752 KPP3620AB distance=60' 05426-6810 OGL 407BC distance=62' 05426-6810 OGL 407AB distance=62' 05426-6810 OGL 407AC distance=62' 05420-6606 CTI7661 distance=63' 05438-6811 OGL 409 distance=64' 05322-6741 MLO 19AB distance=69' 05322-6741 MLO 19AC distance=69' 05308-6655 BRT1966 distance=71' 05551-6719 LDS6193 distance=73' 05303-6653 DON 113AB distance=74' 05303-6653 HJ 3779AB,C distance=74' 05303-6653 DAW 188AB,D distance=74' 05303-6653 DAW 188AB,E distance=74' 05299-6708 MLO 18 distance=75' 05315-6749 OGL 375 distance=76' 05327-6758 OGL 377 distance=76' 05294-6719 SKF1980 distance=79' 05356-6601 SKF1610 distance=80' 05439-6827 OGL 410 distance=80' 05309-6628 BRT1965 distance=81' 05340-6814 OGL 380 distance=83' 05488-6552 HJ 3815 distance=85' 05345-6559 UC 1330 distance=86' 05292-6637 HRG 135 distance=86' 05457-6833 OGL 413 distance=87' 05292-6749 OGL 369 distance=88' 05473-6832 OGL 418 distance=88' 05464-6835 OGL 416 distance=89' 05279-6736 DON 109 distance=90' 05332-6556 TRR 3AB distance=91' 05332-6556 TRR 3AC distance=91' 05332-6557 TRR 4AB distance=92' 05332-6557 KPP4360AC distance=92' 05420-6843 I 278 distance=95' 05522-6826 OGL 437 distance=95' 05496-6836 OGL 430 distance=96' 05269-6739 MLO 17 distance=97' 05346-6836 OGL 382 distance=99' 05440-6529 RST 151 distance=100' 05507-6838 OGL 433 distance=101' 05550-6558 GLI 40 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 05427-6708 I 745 192 0.1
Show 05429-6739 UC 1351 175 60.5 31
Show 05478-6729 UC 1357 233 45.4 36
Show 05461-6743 DAW 190 147 14.3 40
Show 05464-6742 HJ 3701 127 18.0 40
Show 05393-6750 OGL 395 143 2.9 46
Show 05474-6745 HJ 3813 307 27.9 46
Show 05349-6654 HJ 3790 154 10.4 48
Show 05326-6705 DON 114 92 2.0 60
Show 05356-6752 KPP3620 AB 147 5.7 60
Show 05426-6810 OGL 407 BC 134 36.9 62
Show 05426-6810 OGL 407 AB 48 2.0 62
Show 05426-6810 OGL 407 AC 131 37.0 62
Show 05420-6606 CTI7661 225 10.5 63
Show 05438-6811 OGL 409 245 1.4 64
Show 05322-6741 MLO 19 AB 290 4.1 69
Show 05322-6741 MLO 19 AC 212 4.6 69
Show 05308-6655 BRT1966 328 3.4 71
Show 05551-6719 LDS6193 158 16.5 73
Show 05303-6653 DON 113 AB 7 1.1 74
Show 05303-6653 HJ 3779 AB,C 352 4.8 74
Show 05303-6653 DAW 188 AB,D 244 2.2 74
Show 05303-6653 DAW 188 AB,E 307 8.7 74
Show 05299-6708 MLO 18 219 10.4 75
Show 05315-6749 OGL 375 61 11.7 76
Show 05327-6758 OGL 377 44 23.3 76
Show 05294-6719 SKF1980 210 5.7 79
Show 05356-6601 SKF1610 129 0.9 80
Show 05439-6827 OGL 410 25 12.2 80
Show 05309-6628 BRT1965 11 5.0 81
Show 05340-6814 OGL 380 29 14.9 83
Show 05488-6552 HJ 3815 153 42.5 85
Show 05345-6559 UC 1330 153 14.6 86
Show 05292-6637 HRG 135 23 1.9 86
Show 05457-6833 OGL 413 81 18.8 87
Show 05292-6749 OGL 369 30 4.1 88
Show 05473-6832 OGL 418 289 1.4 88
Show 05464-6835 OGL 416 54 3.3 89
Show 05279-6736 DON 109 171 1.5 90
Show 05332-6556 TRR 3 AB 322 4.6 91
Show 05332-6556 TRR 3 AC 212 30.2 91
Show 05332-6557 TRR 4 AB 27 34.3 92
Show 05332-6557 KPP4360 AC 201 3.1 92
Show 05420-6843 I 278 176 1.0 95
Show 05522-6826 OGL 437 201 1.7 95
Show 05496-6836 OGL 430 236 7.1 96
Show 05269-6739 MLO 17 141 4.9 97
Show 05346-6836 OGL 382 185 10.2 99
Show 05440-6529 RST 151 9 2.5 100
Show 05507-6838 OGL 433 66 3.3 101
Show 05550-6558 GLI 40 316 44.2 102

 
 
WDS 05427-6708 : COMPONENTS
 
 
  A
B pa=184.8°
sep=0.05"
 
 
05427-6708 A
 
 
Componente originario normalizzato AB Name HD 38746 Coord arcsec 2000 054241.65-670819.5 Mag 7.72
Spectral class F7V (yellow-white) PmRA 32.00 PmDE -39.0 SAO 249339
HIP 26904 Tycho2 8891-03264-1 HD 38746 GC 7205
CP CP-67 496
Tycho2
Tycho2 8891-03264-1 Pflag RAmdeg 85.67366821 DEmdeg -67.13885379
PmRA 20.4 PmDE -38.8 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.32 EpDEm 1991.40
Num 11 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 8.110 E BTmag 0.016 VTmag 7.584
E VTmag 0.011 Prox 999 TYC T HIP 26904
CCDM AB RAdeg 85.67354750 DEdeg -67.13876556 EpRA 1990 1.73
EpDE 1990 1.81 E RAdeg 5.2 E DEdeg 5.0 Posflg P
Corr 0.0
SAO
SAO 249339 DelFlag RA1950 PmRA1950 0.0066
DE1950 PmDE1950 -0.033 Vmag 7.7 SpType F8
Double code Source 70 CatNum 7205 DM CP-67 496
DMcomp BDsup HD 38746 M HD 0
GC 7205 RA1950rad 1.49560194 DE1950rad -1.17215121 PmRA2000 0.0062
PmDE2000 -0.032
Hipparcos
Catalog H HIP 26904 Proxy H RAhms 05 42 41.65
DEdms -67 08 19.5 Vmag 7.51 VarFlag R Vmag G
RAdeg 85.6735 DEdeg -67.1388 AstroRef * Plx 12.85
CCDM 05427-6708 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 272 Rho 0.283 HD 38746 BD
CD CP CP-67 496 Dm number -67 496 VIred 0.61
SpType F7V R SpType Coord arcsec 2000 054241.65-670819.5
Hipparcos 2
HIP 26904 Sn 55 So 3 Nc 2
RArad 1.4952853013 DErad -1.1717924381 Plx 11.77 PmRA 21.85
PmDE -37.89 E RArad 0.49 E DErad 0.51 E Plx 0.54
E pmRA 0.58 E pmDE 0.71 Hpmag 7.6232 E Hpmag 0.0012
SHp 0.01 VA 0 BV 0.541 E BV 0.001
VI 0.61
CCDM
Ccdm 05427-6708 RComp Comp A Note1
Note2 Discov num DRAs -0.15 DDEs -19.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp F8 PmNote *
PmRA 35 PmDE -33 Dm number -67 496 Cat1 CPD
Name2 249339 Cat2 SAO HD 38746 M HD
ADS BDS M ADS BDS N IDS IDS 05428S6711A
HIC 26904
 
 
05427-6708 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 054241.65-670819.6 Mag 10.26 Calc delta mag 2.54
Calc coord yes
CCDM
Ccdm 05427-6708 RComp Comp B Note1
Note2 Discov num I 745 DRAs DDEs
R dRAs Year 1913 Theta 251 Rho 0.8
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 05428S6711B
HIC 26904