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Doubles in session


Current system
04509-5328
DUN 18 AB
Iot Pic


Nearby doubles
28' : 04496-5353
I 342

31' : 04513-5358
RST2359

39' : 04528-5403
RST3407AB

55' : 04485-5238
I 730AB

60' : 04559-5407
TVB 82

61' : 04498-5427
I 343

61' : 04577-5324
SEE 43

71' : 04584-5349
UC 1244

72' : 04435-5356
HJ 3688

77' : 04434-5406
RST2357

84' : 04552-5442
SPM 13

90' : 04424-5417
TDS2938

96' : 05012-5301
FIN 91

96' : 04432-5436
TOK 87

106' : 04500-5143
I 732

109' : 04426-5210
B 1470

109' : 04417-5219
B 1469

111' : 04523-5517
RST 115

113' : 04420-5448
HU 1375

120' : 04395-5228
BRT3262

127' : 04368-5339
RST2353

129' : 05016-5203
B 1477

131' : 04542-5121
TDS2997

132' : 04448-5129
COO 25

132' : 04566-5127
I 344

134' : 04405-5153
HJ 3680



Selections
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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.

04509-5328 DUN 18 AB (Iot Pic)

 
 
04h 50m 55.31s -53° 27' 41.5" P.A. 58.00 sep 12.3 mag 5.61,6.24 Sp F0V+F4V dist. 41.56 pc (135.57 l.y.)
 
 
Coord 2000 04509-5328 Discov num DUN  18 Comp AB Coord arcsec 2000 04 50 55.31 -53 27 41.5
Date first 1826 Date last 2015 Obs 43
Pa first 60 Pa last 58.3 P.A. Now (θ) 58.3°
Sep first 12.6 Sep last 12.34 Sep. Now (ρ) 12.34"
Mag pri 5.61 Mag sec 6.24 delta mag (ΔM) 0.63 Spectral class F0V+F4V (yellow-white/yellow-white)
Pri motion ra -099 Sec motion ra -081
Pri motion dec +066 Sec motion dec +086
Notes N T (See Notes, Parallax indicates physical)
rPM=0.226 (< 0.3, Physical double)
This double is physical.
 
 
04509-5328 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Iot Pic 233709 04 50 55 -53 27 42 DUN 18 AB 2015 43 58 12.3 5.61 6.24 0.63 <===
Show 233709 04 50 55 -53 27 42 SHY 172 AC 1999 5 48 301.5 5.61 9.11 3.50
Show 233710 04 50 56 -53 27 35 SHY 173 BC 2016 7 48 289.4 6.24 9.11 2.87
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Iot Pic Constellation Pictor SAO 233709 HIP 22531
Tycho2 8510-01940-1 Gaia DR2 4777112872882315648 HD 31203 HR 1563
GC 5945 CP CP-53 760 Bayer Iota Pictoris Bayer name Iot Pic
Distance 41.56 Distance ly 135.57 Bayer greek ι Pic
 
 
WDS 04509-5328 DUN 18 AB (Iot Pic) : NOTES
 
 
discov_num notes refcode
DUN 18 iot Pic
SHY 172 AC: HIP 22531 + HIP 22562.
SHY 173 BC: HIP 22534 + HIP 22562.
In addition to the three visual components, which are physical, the A Tok2020h
component has two spectroscopic components with periods of 1.6d and
1003d. The B component also has a spectroscopic component with a period
of 208d making this a physical sextuple. The AB visual pair has an
estimated period of 6k yr and the wide AB,C pair has an estimated
period of 600k years.
 
 
REFERENCES
 
 
refcode metd author reference
Tok2020h not j Tokovinin, A. 2020AJ....160...69T
Tok2020h AJ 160, 69, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 DUN Dunlop, J.
3 SHY Shaya, E.J. & Olling, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04509-5328 DUN 18 AB 2008 40 58 12.7 5.61 6.24 F0IV F4V: NZD 045055.31-532741.5
04509-5328 DUN 18 AB 2009 41 59 12.8 5.61 6.24 F0IV F4V: NZD 045055.31-532741.5
04509-5328 DUN 18 AB 2015 43 58 12.3 5.61 6.24 F0IV+F4V: NZW 045055.31-532741.5

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

 
 
WDS 04509-5328 DUN 18 AB (Iot Pic) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04509-5328 DUN 18 AB (Iot Pic) : MEASURES
 
 
No records found.

 
 
WDS 04509-5328 (Iot Pic) : VIRTUAL EYEPIECE
 
 

04509-5328 DUN 18A mag 5.61 Sp F0V 04509-5328 SHY 173B sep 12.4 P.A. 57.90 mag 6.24 Sp F4V 04509-5328 SHY 172C sep 241.1 P.A. 33.80 mag 9.11 Sp K2V 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 04509-5328 (Iot Pic) : ALADIN DSS IMAGE @ 04h 50m 55.31s -53° 27' 41.5"
 
 
 
 
WDS 04509-5328 DUN 18 AB (Iot Pic) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04509-5328 DUN 18AB distance=0' 04509-5328 SHY 173BC distance=1' 04496-5353 I 342 distance=28' 04513-5358 RST2359 distance=31' 04528-5403 RST3407AB distance=39' 04485-5238 I 730AB distance=55' 04485-5238 DAW 3AC distance=55' 04485-5238 NSN 190AD distance=55' 04559-5407 TVB 82 distance=60' 04498-5427 I 343 distance=61' 04577-5324 SEE 43 distance=61' 04584-5349 UC 1244 distance=71' 04435-5356 HJ 3688 distance=72' 04434-5406 RST2357 distance=77' 04552-5442 SPM 13 distance=84' 04424-5417 TDS2938 distance=90' 05012-5301 FIN 91 distance=96' 04432-5436 TOK 87 distance=96' 04500-5143 I 732 distance=106' 04426-5210 B 1470 distance=109' 04417-5219 B 1469 distance=109' 04523-5517 RST 115 distance=111' 04420-5448 HU 1375 distance=113' 04395-5228 BRT3262 distance=120' 04368-5339 RST2353 distance=127' 05016-5203 B 1477 distance=129' 04542-5121 TDS2997 distance=131' 04448-5129 COO 25 distance=132' 04566-5127 I 344 distance=132' 04405-5153 HJ 3680 distance=134' 04578-5531 HU 1383 distance=137' 05063-5317 UC 1266 distance=138' 04356-5252 HJ 3669 distance=143' 04535-5551 LDS 131 distance=146' 04371-5452 RST 110 distance=148' 04350-5243 I 728 distance=151' 04342-5255 KPP 110 distance=155' 04480-5600 HJ 3696AB distance=155' 04480-5600 HJ 3696AC distance=155' 04339-5407 UC 1187 distance=156' 04357-5450 HU 1373 distance=158' 04367-5146 TDS2913 distance=165' 05005-5105 TDS3038 distance=168' 04480-5041 ELP 11 distance=169' 05076-5459 KPP3596 distance=173' 05028-5548 HJ 3724 distance=174' 04480-5035 JNN 304 distance=175' 04330-5221 KPP1167 distance=176' 04340-5503 B 2092AB distance=177' 04340-5503 HJ 3668AB,C distance=177' 04422-5607 HDS 605 distance=177' 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 04509-5328 DUN 18 AB 58 12.3
Show 04509-5328 SHY 172 AC 48 301.5
Show 04509-5328 SHY 173 BC 48 289.4 1
Show 04496-5353 I 342 133 3.2 28
Show 04513-5358 RST2359 73 5.6 31
Show 04528-5403 RST3407 AB 313 0.6 39
Show 04485-5238 I 730 AB 97 0.9 55
Show 04485-5238 DAW 3 AC 31 3.7 55
Show 04485-5238 NSN 190 AD 54 3.4 55
Show 04559-5407 TVB 82 293 15.6 60
Show 04498-5427 I 343 45 2.5 61
Show 04577-5324 SEE 43 297 7.6 61
Show 04584-5349 UC 1244 11 60.9 71
Show 04435-5356 HJ 3688 148 14.4 72
Show 04434-5406 RST2357 211 1.1 77
Show 04552-5442 SPM 13 330 46.2 84
Show 04424-5417 TDS2938 173 0.6 90
Show 05012-5301 FIN 91 67 7.0 96
Show 04432-5436 TOK 87 266 19.7 96
Show 04500-5143 I 732 15 2.2 106
Show 04426-5210 B 1470 96 0.5 109
Show 04417-5219 B 1469 261 0.4 109
Show 04523-5517 RST 115 303 1.8 111
Show 04420-5448 HU 1375 182 3.6 113
Show 04395-5228 BRT3262 254 5.0 120
Show 04368-5339 RST2353 38 1.5 127
Show 05016-5203 B 1477 66 3.9 129
Show 04542-5121 TDS2997 301 2.4 131
Show 04448-5129 COO 25 200 10.9 132
Show 04566-5127 I 344 25 1.8 132
Show 04405-5153 HJ 3680 210 10.1 134
Show 04578-5531 HU 1383 3 3.1 137
Show 05063-5317 UC 1266 210 40.3 138
Show 04356-5252 HJ 3669 312 14.0 143
Show 04535-5551 LDS 131 316 7.4 146
Show 04371-5452 RST 110 322 0.6 148
Show 04350-5243 I 728 68 0.6 151
Show 04342-5255 KPP 110 130 3.7 155
Show 04480-5600 HJ 3696 AB 324 4.9 155
Show 04480-5600 HJ 3696 AC 115 15.1 155
Show 04339-5407 UC 1187 255 53.3 156
Show 04357-5450 HU 1373 77 1.6 158
Show 04367-5146 TDS2913 65 0.5 165
Show 05005-5105 TDS3038 272 0.6 168
Show 04480-5041 ELP 11 344 1.0 169
Show 05076-5459 KPP3596 243 9.7 173
Show 05028-5548 HJ 3724 284 2.8 174
Show 04480-5035 JNN 304 121 0.5 175
Show 04330-5221 KPP1167 2 9.1 176
Show 04340-5503 B 2092 AB 212 0.1 177
Show 04340-5503 HJ 3668 AB,C 94 77.2 177

 
 
WDS 04509-5328 : COMPONENTS
 
 
  A B
B pa=57.9°
sep=12.43"
 
C pa=33.8°
sep=241.08"
pa=32.6°
sep=229.78"
 
 
04509-5328 A
 
 
Name Iot Pic Coord arcsec 2000 045055.31-532741.5 Mag 5.61 Spectral class F0V (yellow-white)
PmRA -99.00 PmDE 66.0 SAO 233709 HIP 22531
Tycho2 8510-01940-1 HD 31203 HR 1563 GC 5945
CP CP-53 760 Bayer Iota Bayer name Iot
Tycho2
Tycho2 8510-01940-1 Pflag RAmdeg 72.73045187 DEmdeg -53.46151628
PmRA -81.4 PmDE 84.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.56 EpDEm 1991.52
Num 13 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 1.0 BTmag 5.923 E BTmag 0.014 VTmag 5.612
E VTmag 0.009 Prox 125 TYC T HIP 22531
CCDM A RAdeg 72.73076500 DEdeg -53.46171083 EpRA 1990 1.75
EpDE 1990 1.71 E RAdeg 3.6 E DEdeg 3.6 Posflg
Corr 0.1
SAO
SAO 233709 DelFlag RA1950 PmRA1950 -0.0107
DE1950 PmDE1950 0.085 Vmag 5.6 SpType F0
Double code Source 70 CatNum 5945 DM CP-53 760
DMcomp A BDsup HD 31203 M HD 0
GC 5945 RA1950rad 1.26450086 DE1950rad -0.93455362 PmRA2000 -0.0102
PmDE2000 0.083
Hipparcos
Catalog H HIP 22531 Proxy RAhms 04 50 55.39
DEdms -53 27 42.2 Vmag 5.58 VarFlag R Vmag H
RAdeg 72.7308 DEdeg -53.4617 AstroRef A Plx 26.97
CCDM 04509-5328 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 31203 BD
CD CP CP-53 760 Dm number -53 760 VIred 0.4
SpType F0IV... R SpType Coord arcsec 2000 045055.39-532742.2
Hipparcos 2
HIP 22531 Sn 95 So 3 Nc 1
RArad 1.2693915361 DErad -0.9330830652 Plx 24.06 PmRA -80.62
PmDE 87.78 E RArad 1.87 E DErad 1.83 E Plx 2.01
E pmRA 1.92 E pmDE 2.17 Hpmag 5.666 E Hpmag 0.0178
SHp 0.069 VA 0 BV 0.341 E BV 0.004
VI 0.4
CCDM
Ccdm 04509-5328 RComp Comp A Note1
Note2 Discov num DRAs 1.26 DDEs 18.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.6 Sp F0 PmNote *
PmRA -91 PmDE 79 Dm number -53 760 Cat1 CPD
Name2 233709 Cat2 SAO HD 31203 M HD
ADS BDS M ADS BDS N IDS IDS 04487S5338A
HIC 22531
 
 
04509-5328 B
 
 
Coord arcsec 2000 045056.49-532734.9 Coord calc 045056.49-532734.9 Mag 6.24 Spectral class F4V (yellow-white)
PmRA -81.00 PmDE 86.0 SAO 233710 HIP 22534
Tycho2 8510-01939-1 HD 31204 HR 1564 GC 5946
Calc delta mag 0.63
Tycho2
Tycho2 8510-01939-1 Pflag RAmdeg 72.73541264 DEmdeg -53.45970743
PmRA -79.3 PmDE 82.1 E RAmdeg 4 E DEmdeg 4
E pmRA 4.0 E pmDE 3.7 EpRAm 1991.66 EpDEm 1991.62
Num 4 Q RAmdeg 1.2 Q DEmdeg 2.5 Q pmRA 1.3
Q pmDE 2.5 BTmag 6.685 E BTmag 0.014 VTmag 6.244
E VTmag 0.010 Prox 125 TYC T HIP 22534
CCDM B RAdeg 72.73572083 DEdeg -53.45989833 EpRA 1990 1.67
EpDE 1990 1.63 E RAdeg 4.0 E DEdeg 3.8 Posflg
Corr 0.1
SAO
SAO 233710 DelFlag RA1950 PmRA1950 -0.0108
DE1950 PmDE1950 0.083 Vmag 6.4 SpType F0
Double code Source 70 CatNum 5946 DM CP-53 760
DMcomp B BDsup HD 31204 M HD 0
GC 5946 RA1950rad 1.26458479 DE1950rad -0.93452188 PmRA2000 -0.0103
PmDE2000 0.081
Hipparcos
Catalog H HIP 22534 Proxy RAhms 04 50 56.58
DEdms -53 27 35.7 Vmag 6.42 VarFlag R Vmag H
RAdeg 72.7357 DEdeg -53.4599 AstroRef B Plx 31.18
CCDM 04509-5328 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD 31204 BD
CD CP Dm number VIred 0.53
SpType F0IV R SpType Coord arcsec 2000 045056.58-532735.7
Hipparcos 2
HIP 22534 Sn 95 So 3 Nc 1
RArad 1.2694781657 DErad -0.9330512664 Plx 25.95 PmRA -79.06
PmDE 88.76 E RArad 1.65 E DErad 1.62 E Plx 1.76
E pmRA 1.75 E pmDE 1.97 Hpmag 6.5905 E Hpmag 0.0384
SHp 0 VA 0 BV 0.483 E BV 0.003
VI 0.53
CCDM
Ccdm 04509-5328 RComp Comp B Note1
Note2 Discov num DUN 18 DRAs 2.43 DDEs 25.2
R dRAs 91 Year 1826 Theta 058 Rho 12.3
Obs 17 Vmag 6.4 Sp F0 PmNote *
PmRA -89 PmDE 85 Dm number Cat1
Name2 233710 Cat2 SAO HD 31204 M HD
ADS BDS M ADS BDS N IDS IDS 04487S5338B
HIC 22534
 
 
04509-5328 C
 
 
Coord arcsec 2000 045110.34-532421.3 Mag 9.11 Spectral class K2V (yellow-orange) PmRA -82.00
PmDE 84.0 Calc delta mag 3.5 Calc coord yes