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Doubles in session


Current system
04406-0912
WOR 17


Nearby doubles
30' : 04386-0921
TOK 387

33' : 04410-0840
RST4252

37' : 04383-0856
RST4248AB

44' : 04423-0838
RST4253

49' : 04433-0937
BU 1384AB

50' : 04432-0848
HJ 2238

52' : 04436-0848
STF 590

59' : 04398-1010
BVD 72

60' : 04374-0951
RST3401

62' : 04393-0813
RST4251AB

73' : 04413-1023
TVB 74

76' : 04456-0919
GWP 614

84' : 04437-1021
TDS2950AB

85' : 04352-0944
STF 570

102' : 04438-1041
HDS 610

102' : 04382-0736
CVR 52

108' : 04338-0954
UC 1185

110' : 04473-0954
SKF 774

114' : 04479-0842
HJ 3687

114' : 04431-0725
A 476

123' : 04334-1014
RST3399

125' : 04322-0936
GAL 141

129' : 04319-0851
HJ 2234

132' : 04483-0811
UC 1215

133' : 04335-0750
TOK 248

137' : 04382-1123
BU 882



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.

04406-0912 WOR 17

 
 
04h 40m 29.33s -09° 11' 45.0" P.A. 194.00 sep 2.0 mag 11.00,11.10 Sp M0V dist. 19.69 pc (64.23 l.y.)
 
 
Coord 2000 04406-0912 Discov num WOR  17 Comp Coord arcsec 2000 04 40 29.33 -09 11 45.0
Date first 1960 Date last 2021 Obs 17
Pa first 257 Pa last 194.2 P.A. Now (θ) 194.2°
Sep first 2.0 Sep last 1.971 Sep. Now (ρ) 1.971"
Mag pri 11.00 Mag sec 11.10 delta mag (ΔM) 0.1 Spectral class M0V (red)
Pri motion ra -112 Sec motion ra
Pri motion dec -112 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus HIP 21765 Tycho2 5321-01765-1 Gaia DR2 3185759697949251456
GL Wo 9163A BD BD-09 956 Distance 19.69 Distance ly 64.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)215.5y± 20.8 Periastron (T)1994y± 0.35 Semi-major axis (a)1.919a± 0.086
Eccentricity (e)0.813± 0.014 Inclination (i)32.3°± 3.4 Longitude of periastron (ω)36.7°± 5.1
Node (Ω)11.7°± 4.6 Notes ReferenceTok2020e
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 150.2 0.666
2001 156.3 0.750
2002 161.1 0.832
2003 165.1 0.912
2004 168.5 0.988
2005 171.3 1.062
2006 173.9 1.133
2007 176.1 1.202
2008 178.1 1.268
2009 179.9 1.332
2010 181.5 1.394
2011 183.0 1.454
2012 184.4 1.512
2013 185.6 1.569
2014 186.8 1.623
2015 187.9 1.676
2016 189.0 1.728
2017 190.0 1.778
2018 190.9 1.826
2019 191.8 1.873
2020 192.6 1.919
2021 193.4 1.964
2022 194.2 2.008
2023 194.9 2.050
2024 195.6 2.091
2025 196.3 2.131
2026 197.0 2.170
2027 197.6 2.209
2028 198.2 2.246
2029 198.8 2.282
2030 199.4 2.317


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


 
  


wds04406-0912a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04406-0912 WOR 17 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 WOR Worley, C.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04406-0912 WOR 17 1987 11 312 0.6 11.00 11.10 M0V 044029.33-091145.0
04406-0912 WOR 17 2008 12 359 1.3 11.00 11.10 M0V 044029.33-091145.0
04406-0912 WOR 17 2019 13 192 1.9 11.00 11.10 M0V 044029.33-091145.0
04406-0912 WOR 17 2021 17 194 2.0 11.00 11.10 M0V O 044029.33-091145.0

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

 
 
WDS 04406-0912 WOR 17 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04406-0912 WOR 17 : MEASURES
 
 
No records found.

 
 
WDS 04406-0912 : VIRTUAL EYEPIECE
 
 

04406-0912 WOR 17A mag 11 Sp M0V 04406-0912 WOR 17B sep 2.0 P.A. 194.00 mag 11.1 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 04406-0912 : ALADIN DSS IMAGE @ 04h 40m 29.33s -09° 11' 45.0"
 
 
 
 
WDS 04406-0912 WOR 17 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04406-0912 WOR 17 distance=0' 04386-0921 TOK 387 distance=30' 04410-0840 RST4252 distance=33' 04383-0856 RST4248AB distance=37' 04383-0856 HLN 7AB,C distance=37' 04423-0838 RST4253 distance=44' 04433-0937 BU 1384AB distance=49' 04433-0937 STF 588AC distance=49' 04432-0848 HJ 2238 distance=50' 04436-0848 STF 590 distance=52' 04398-1010 BVD 72 distance=59' 04374-0951 RST3401 distance=60' 04393-0813 RST4251AB distance=62' 04393-0813 TDS2925AC distance=62' 04413-1023 TVB 74 distance=73' 04456-0919 GWP 614 distance=76' 04437-1021 TDS2950AB distance=84' 04437-1021 DAM1318AB,C distance=84' 04352-0944 STF 570 distance=85' 04438-1041 HDS 610 distance=102' 04382-0736 CVR 52 distance=102' 04338-0954 UC 1185 distance=108' 04473-0954 SKF 774 distance=110' 04479-0842 HJ 3687 distance=114' 04431-0725 A 476 distance=114' 04334-1014 RST3399 distance=123' 04322-0936 GAL 141 distance=125' 04319-0851 HJ 2234 distance=129' 04483-0811 UC 1215 distance=132' 04335-0750 TOK 248 distance=133' 04382-1123 BU 882 distance=137' 04328-1028 GWP 595 distance=138' 04314-0934 GAL 372 distance=138' 04478-1043 HU 214 distance=141' 04334-1047 HDS 592 distance=142' 04399-0650 HJ 25AB distance=143' 04399-0650 HJ 25AC distance=143' 04309-0849 KO 2 distance=145' 04307-0858 KPP1360 distance=147' 04395-1141 GAL 374 distance=151' 04401-0640 BRT 368 distance=152' 04332-0724 GWP 597 distance=154' 04485-1052 RST3402AB distance=155' 04460-0659 BU 186 distance=156' 04469-1117 JNN 28 distance=157' 04413-0631 CTI9207BE distance=161' 04490-1052 KPP 890 distance=162' 04511-0946 HU 31 distance=162' 04298-0949 LDS3592 distance=163' 04429-0629 HJ 26 distance=165' 04354-1139 GWP 599 distance=166' 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 04406-0912 WOR 17 194 2.0
Show 04386-0921 TOK 387 244 0.0 30
Show 04410-0840 RST4252 71 1.1 33
Show 04383-0856 RST4248 AB 129 0.3 37
Show 04383-0856 HLN 7 AB,C 165 8.4 37
Show 04423-0838 RST4253 229 0.7 44
Show 04433-0937 BU 1384 AB 93 8.2 49
Show 04433-0937 STF 588 AC 268 45.4 49
Show 04432-0848 HJ 2238 67 18.1 50
Show 04436-0848 STF 590 318 9.3 52
Show 04398-1010 BVD 72 123 25.1 59
Show 04374-0951 RST3401 244 0.4 60
Show 04393-0813 RST4251 AB 52 0.2 62
Show 04393-0813 TDS2925 AC 326 0.5 62
Show 04413-1023 TVB 74 247 22.0 73
Show 04456-0919 GWP 614 36 139.9 76
Show 04437-1021 TDS2950 AB 22 0.5 84
Show 04437-1021 DAM1318 AB,C 230 7.0 84
Show 04352-0944 STF 570 260 12.8 85
Show 04438-1041 HDS 610 195 0.7 102
Show 04382-0736 CVR 52 196 53.1 102
Show 04338-0954 UC 1185 206 37.6 108
Show 04473-0954 SKF 774 18 2.6 110
Show 04479-0842 HJ 3687 281 24.8 114
Show 04431-0725 A 476 154 0.8 114
Show 04334-1014 RST3399 359 3.0 123
Show 04322-0936 GAL 141 336 7.3 125
Show 04319-0851 HJ 2234 270 40.7 129
Show 04483-0811 UC 1215 92 68.5 132
Show 04335-0750 TOK 248 314 281.2 133
Show 04382-1123 BU 882 234 2.7 137
Show 04328-1028 GWP 595 205 58.8 138
Show 04314-0934 GAL 372 199 34.4 138
Show 04478-1043 HU 214 235 4.6 141
Show 04334-1047 HDS 592 91 0.6 142
Show 04399-0650 HJ 25 AB 85 7.4 143
Show 04399-0650 HJ 25 AC 312 14.9 143
Show 04309-0849 KO 2 340 19.8 145
Show 04307-0858 KPP1360 340 10.2 147
Show 04395-1141 GAL 374 194 25.7 151
Show 04401-0640 BRT 368 180 5.0 152
Show 04332-0724 GWP 597 122 43.2 154
Show 04485-1052 RST3402 AB 224 1.3 155
Show 04460-0659 BU 186 28 0.4 156
Show 04469-1117 JNN 28 288 1.5 157
Show 04413-0631 CTI9207 BE 107 2.6 161
Show 04490-1052 KPP 890 287 7.4 162
Show 04511-0946 HU 31 331 1.3 162
Show 04298-0949 LDS3592 247 39.2 163
Show 04429-0629 HJ 26 289 10.8 165
Show 04354-1139 GWP 599 218 62.6 166

 
 
WDS 04406-0912 : COMPONENTS
 
 
  A
B pa=194.0°
sep=1.97"
 
 
04406-0912 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 044029.33-091145.0 Mag 11 Spectral class M0V (red)
PmRA -112.00 PmDE -112.0 HIP 21765 Tycho2 5321-01765-1
BD BD-09 956
Tycho2
Tycho2 5321-01765-1 Pflag RAmdeg 70.12192440 DEmdeg -9.19607338
PmRA -107.4 PmDE -102.6 E RAmdeg 35 E DEmdeg 36
E pmRA 3.2 E pmDE 3.4 EpRAm 1990.31 EpDEm 1990.33
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.103 E BTmag 0.116 VTmag 10.504
E VTmag 0.041 Prox 999 TYC T HIP 21765
CCDM RAdeg 70.12218028 DEdeg -9.19583028 EpRA 1990 1.53
EpDE 1990 1.47 E RAdeg 34.8 E DEdeg 36.3 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 21765 Proxy RAhms 04 40 29.33
DEdms -09 11 45.0 Vmag 10.27 VarFlag R Vmag G
RAdeg 70.1222 DEdeg -9.19583 AstroRef Plx 49.58
CCDM 04405-0911 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD BD BD-09 956
CD CP Dm number -09 956 VIred 2.01
SpType M0V... R SpType Coord arcsec 2000 044029.33-091145.0
Hipparcos 2
HIP 21765 Sn 5 So 0 Nc 1
RArad 1.2238631253 DErad -0.1604975831 Plx 50.8 PmRA -110.2
PmDE -111.6 E RArad 3.67 E DErad 3.3 E Plx 3.74
E pmRA 7.78 E pmDE 6.63 Hpmag 10.3432 E Hpmag 0.0034
SHp 0.023 VA 0 BV 1.49 E BV 0.015
VI 2.01
 
 
04406-0912 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 044029.30-091146.9 Mag 11.1 Calc delta mag 0.1
Calc coord yes