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Current system
05505-0310
HDS 785
HD 39160


Nearby doubles
25' : 05490-0319
HJ 2280

35' : 05518-0339
JRN 22AB

38' : 05504-0232
BAL 47

40' : 05487-0338
LDS3676

49' : 05534-0333
A 2919AB

53' : 05536-0336
B 2592

56' : 05469-0257
DAM1094AB

57' : 05505-0214
KPP3637

57' : 05468-0316
STF 792

60' : 05473-0235
DAM1095

61' : 05525-0217
HDS 787

65' : 05462-0310
DAM1092

67' : 05478-0218
BU 15

71' : 05462-0245
BAL 46

78' : 05453-0306
DAM1090

79' : 05497-0427
SCJ 3

80' : 05542-0213
SKF1292

80' : 05453-0256
DAM1089

82' : 05481-0423
GWP 709

82' : 05460-0225
DAM1091

83' : 05519-0430
SKF2567

87' : 05561-0335
GWP 722

88' : 05447-0309
DAM1086AB

92' : 05450-0230
DAM1088

93' : 05445-0255
HDS 768AB

95' : 05460-0416
STF 790



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.

05505-0310 HDS 785 (HD 39160)

 
 
05h 50m 32.10s -03° 10' 04.8" P.A. 12.00 sep 0.1 mag 9.53,9.57 Sp F8 dist. 153.37 pc (500.29 l.y.)
 
 
Coord 2000 05505-0310 Discov num HDS 785 Comp Coord arcsec 2000 05 50 32.10 -03 10 04.8
Date first 1991 Date last 2021 Obs 12
Pa first 354 Pa last 12 P.A. Now (θ) 12°
Sep first 0.3 Sep last 0.066 Sep. Now (ρ) 0.066"
Mag pri 9.53 Mag sec 9.57 delta mag (ΔM) 0.04 Spectral class F8 (yellow-white)
Pri motion ra -010 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 39160 Constellation Orion SAO 132581 HIP 27589
Tycho2 4772-00949-1 Gaia DR2 3024064006141919488 HD 39160 BD BD-03 1208
Distance 153.37 Distance ly 500.29
 
 
ORBITAL ELEMENTS
 
 
Period (P)105.6y Periastron (T)2021.9y Semi-major axis (a)0.208a
Eccentricity (e)0.65 Inclination (i)118° Longitude of periastron (ω)147.9°
Node (Ω)170.2° Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 168.4 0.253
2001 167.6 0.246
2002 166.7 0.239
2003 165.7 0.231
2004 164.7 0.223
2005 163.6 0.214
2006 162.4 0.205
2007 161.1 0.195
2008 159.6 0.184
2009 158.0 0.173
2010 156.1 0.161
2011 153.9 0.148
2012 151.2 0.135
2013 148.0 0.121
2014 143.9 0.106
2015 138.4 0.091
2016 130.7 0.075
2017 118.9 0.060
2018 100.2 0.047
2019 72.3 0.041
2020 42.4 0.044
2021 20.2 0.054
2022 5.4 0.065
2023 354.6 0.074
2024 345.8 0.080
2025 337.9 0.082
2026 330.2 0.083
2027 322.3 0.081
2028 314.3 0.080
2029 305.9 0.078
2030 297.2 0.078


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


 
  


wds05505-0310a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 05505-0310 HDS 785 (HD 39160) : 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 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05505-0310 HDS 785 1991 1 354 0.3 9.53 9.57 F8 055032.10-031004.8
05505-0310 HDS 785 2014 3 320 0.1 9.53 9.57 F8 055032.10-031004.8
05505-0310 HDS 785 2018 9 72 0.0 9.53 9.57 F8 055032.10-031004.8
05505-0310 HDS 785 2019 10 49 0.0 9.53 9.57 F8 O 055032.10-031004.8
05505-0310 HDS 785 2020 11 25 0.1 9.53 9.57 F8 O 055032.10-031004.8
05505-0310 HDS 785 2021 12 12 0.1 9.53 9.57 F8 O 055032.10-031004.8

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

 
 
WDS 05505-0310 HDS 785 (HD 39160) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 05505-0310 HDS 785 (HD 39160) : MEASURES
 
 
No records found.

 
 
WDS 05505-0310 (HD 39160) : VIRTUAL EYEPIECE
 
 

05505-0310 HDS 785A mag 9.53 Sp F8 05505-0310 HDS 785B sep 0.1 P.A. 12.00 mag 9.57 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 05505-0310 (HD 39160) : ALADIN DSS IMAGE @ 05h 50m 32.10s -03° 10' 04.8"
 
 
 
 
WDS 05505-0310 HDS 785 (HD 39160) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

05505-0310 HDS 785 distance=0' 05490-0319 HJ 2280 distance=25' 05518-0339 JRN 22BC distance=35' 05518-0339 JRN 22AB distance=35' 05504-0232 BAL 47 distance=38' 05487-0338 LDS3676 distance=40' 05534-0333 A 2919AB distance=49' 05534-0333 A 2919AB,C distance=49' 05536-0336 B 2592 distance=53' 05469-0257 DAM1094AB distance=56' 05469-0257 DAM1094AC distance=56' 05505-0214 KPP3637 distance=57' 05468-0316 STF 792 distance=57' 05473-0235 DAM1095 distance=60' 05525-0217 HDS 787 distance=61' 05462-0310 DAM1092 distance=65' 05478-0218 BU 15 distance=67' 05462-0245 BAL 46 distance=71' 05453-0306 DAM1090 distance=78' 05497-0427 SCJ 3 distance=79' 05542-0213 SKF1292 distance=80' 05453-0256 DAM1089 distance=80' 05481-0423 GWP 709 distance=82' 05460-0225 DAM1091 distance=82' 05519-0430 SKF2567 distance=83' 05561-0335 GWP 722 distance=87' 05447-0309 DAM1086AB distance=88' 05447-0309 DAM1086AC distance=88' 05450-0230 DAM1088 distance=92' 05445-0255 HDS 768AB distance=93' 05445-0255 DAM1085AB,C distance=93' 05460-0416 STF 790 distance=95' 05568-0304 A 321 distance=95' 05441-0229 A 2918A,BC distance=104' 05506-0126 BU 1188AB distance=105' 05506-0126 STF 809AC distance=105' 05441-0229 A 2918BC distance=106' 05434-0335 GWP 699 distance=110' 05508-0116 BAL 312 distance=115' 05553-0137 TDS3424 distance=117' 05514-0510 UC 1366 distance=121' 05429-0349 GWP 697 distance=121' 05487-0509 TDS3354 distance=123' 05556-0447 HDS 797 distance=124' 05574-0201 BAL 48 distance=124' 05430-0219 HDS 762 distance=124' 05426-0229 SKF2365 distance=127' 05456-0128 BAL 311 distance=127' 05555-0455 RST4288 distance=129' 05430-0200 UC 1352 distance=133' 05417-0254 BU 1052 distance=134' 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 05505-0310 HDS 785 12 0.1
Show 05490-0319 HJ 2280 20 17.9 25
Show 05518-0339 JRN 22 BC 238 13.3 35
Show 05518-0339 JRN 22 AB 256 39.7 35
Show 05504-0232 BAL 47 67 3.4 38
Show 05487-0338 LDS3676 143 3.4 40
Show 05534-0333 A 2919 AB 342 0.2 49
Show 05534-0333 A 2919 AB,C 326 15.4 49
Show 05536-0336 B 2592 191 1.3 53
Show 05469-0257 DAM1094 AB 96 4.4 56
Show 05469-0257 DAM1094 AC 38 6.2 56
Show 05505-0214 KPP3637 7 1.2 57
Show 05468-0316 STF 792 131 24.7 57
Show 05473-0235 DAM1095 254 2.3 60
Show 05525-0217 HDS 787 163 0.1 61
Show 05462-0310 DAM1092 324 4.2 65
Show 05478-0218 BU 15 184 2.0 67
Show 05462-0245 BAL 46 121 6.9 71
Show 05453-0306 DAM1090 306 8.6 78
Show 05497-0427 SCJ 3 320 66.3 79
Show 05542-0213 SKF1292 321 2.8 80
Show 05453-0256 DAM1089 254 4.9 80
Show 05481-0423 GWP 709 100 63.2 82
Show 05460-0225 DAM1091 24 7.8 82
Show 05519-0430 SKF2567 248 9.5 83
Show 05561-0335 GWP 722 323 21.1 87
Show 05447-0309 DAM1086 AB 357 3.3 88
Show 05447-0309 DAM1086 AC 300 5.6 88
Show 05450-0230 DAM1088 55 17.4 92
Show 05445-0255 HDS 768 AB 194 0.2 93
Show 05445-0255 DAM1085 AB,C 154 8.0 93
Show 05460-0416 STF 790 88 7.0 95
Show 05568-0304 A 321 134 0.6 95
Show 05441-0229 A 2918 A,BC 316 94.4 104
Show 05506-0126 BU 1188 AB 95 0.9 105
Show 05506-0126 STF 809 AC 91 24.1 105
Show 05441-0229 A 2918 BC 200 0.5 106
Show 05434-0335 GWP 699 116 19.2 110
Show 05508-0116 BAL 312 155 7.1 115
Show 05553-0137 TDS3424 203 0.5 117
Show 05514-0510 UC 1366 44.8 121
Show 05429-0349 GWP 697 72 116.0 121
Show 05487-0509 TDS3354 238 0.7 123
Show 05556-0447 HDS 797 271 0.3 124
Show 05574-0201 BAL 48 20 17.3 124
Show 05430-0219 HDS 762 185 0.3 124
Show 05426-0229 SKF2365 225 2.6 127
Show 05456-0128 BAL 311 28 13.0 127
Show 05555-0455 RST4288 58 0.4 129
Show 05430-0200 UC 1352 23 7.8 133
Show 05417-0254 BU 1052 183 0.7 134

 
 
WDS 05505-0310 : COMPONENTS
 
 
  A
B pa=12.0°
sep=0.07"
 
 
05505-0310 A
 
 
Componente originario normalizzato AB Name HD 39160 Coord arcsec 2000 055032.10-031004.8 Mag 9.53
Spectral class F8 (yellow-white) PmRA -10.00 PmDE -7.0 SAO 132581
HIP 27589 Tycho2 4772-00949-1 HD 39160 BD BD-03 1208
Tycho2
Tycho2 4772-00949-1 Pflag RAmdeg 87.63373639 DEmdeg -3.16800722
PmRA -13.0 PmDE -8.1 E RAmdeg 9 E DEmdeg 10
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.81 EpDEm 1989.52
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.4 Q pmRA 0.7
Q pmDE 1.3 BTmag 9.305 E BTmag 0.022 VTmag 8.778
E VTmag 0.017 Prox 999 TYC T HIP 27589
CCDM AB RAdeg 87.63376583 DEdeg -3.16799083 EpRA 1990 1.78
EpDE 1990 1.86 E RAdeg 9.7 E DEdeg 11.4 Posflg P
Corr -0.1
SAO
SAO 132581 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.002 Vmag 8.7 SpType F8
Double code Source 27 CatNum 1794 DM BD-03 1208
DMcomp BDsup HD 39160 M HD 0
GC RA1950rad 1.51858947 DE1950rad -0.05551687 PmRA2000 -0.0001
PmDE2000 -0.002
Hipparcos
Catalog H HIP 27589 Proxy H RAhms 05 50 32.10
DEdms -03 10 04.8 Vmag 8.68 VarFlag R Vmag H
RAdeg 87.6338 DEdeg -3.16799 AstroRef * Plx 4.89
CCDM 05505-0310 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 354 Rho 0.296 HD 39160 BD BD-03 1208
CD CP Dm number -03 1208 VIred 0.62
SpType F8 R SpType Coord arcsec 2000 055032.10-031004.8
Hipparcos 2
HIP 27589 Sn 55 So 3 Nc 2
RArad 1.5294977846 DErad -0.0552918892 Plx 6.52 PmRA -11.1
PmDE -6.67 E RArad 1.13 E DErad 1.09 E Plx 1.4
E pmRA 1.53 E pmDE 1.28 Hpmag 8.7964 E Hpmag 0.0024
SHp 0.018 VA 0 BV 0.515 E BV 0.025
VI 0.59
CCDM
Ccdm 05505-0310 RComp Comp A Note1
Note2 Discov num DRAs 2.10 DDEs -5.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.5 Sp F8 PmNote *
PmRA -10 PmDE -7 Dm number -03 1208 Cat1 BD
Name2 132581 Cat2 SAO HD 39160 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 27589
 
 
05505-0310 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 055032.10-031004.7 Mag 9.57 Calc delta mag 0.04
Calc coord yes
CCDM
Ccdm 05505-0310 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.10 DDEs -4.7
R dRAs 82 Year 1991 Theta 354 Rho 0.3
Obs 1 Vmag 9.6 Sp PmNote *
PmRA -10 PmDE -7 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 27589