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Doubles in session


Current system
23180-6100
DUN 247
HD 219621


Nearby doubles
32' : 23164-6031
NZO 107

43' : 23133-6035
HU 1645

49' : 23169-6012
LDS 806AB

51' : 23134-6022
TDT3941

51' : 23111-6055
TDS1203

56' : 23217-6149
UC 4930

60' : 23138-6009
NZO 106

61' : 23170-6200
EHR 20

62' : 23127-6013
UC 4902AB

62' : 23128-6148
HU 1644

62' : 23229-6151
SKF2857

70' : 23275-6111
UC 4957

72' : 23123-6158
TDT3932

75' : 23162-5947
TOK 217

81' : 23155-5942
I 143

89' : 23225-5938
TDT4005

97' : 23247-5938
HDS3331

100' : 23106-5937
TDT3921

102' : 23108-5934
TDT3923

104' : 23086-5944
DUN 245

105' : 23226-5921
B 598

107' : 23057-6005
HDS3290

112' : 23079-5938
NZO 104

113' : 23076-5938
UC 4886

121' : 23339-6139
RST3326

122' : 23339-6141
NZO 108



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.

23180-6100 DUN 247 (HD 219621)

 
 
23h 18m 00.80s -61° 00' 13.2" P.A. 294.00 sep 51.8 mag 6.87,8.17 Sp K1IIICN dist. 141.24 pc (460.72 l.y.)
 
 
Coord 2000 23180-6100 Discov num DUN 247 Comp Coord arcsec 2000 23 18 00.80 -61 00 13.2
Date first 1826 Date last 2016 Obs 29
Pa first 278 Pa last 294.4 P.A. Now (θ) 294.4°
Sep first 30.0 Sep last 51.8 Sep. Now (ρ) 51.8"
Mag pri 6.87 Mag sec 8.17 delta mag (ΔM) 1.3 Spectral class K1IIICN (yellow-orange)
Pri motion ra +051 Sec motion ra -005
Pri motion dec -092 Sec motion dec +006
Notes N L (See Notes, Linear solution)
rPM=1.073
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 219621 Constellation Tucana SAO 255453 HIP 115034
Tycho2 9126-02031-1 Gaia DR2 6490359006380772480 HD 219621 GC 32419
CP CP-61 6734 Distance 141.24 Distance ly 460.72
 
 
WDS 23180-6100 DUN 247 (HD 219621) : NOTES
 
 
discov_num notes refcode
DUN 247 B is CPD-61@6734. B spectral type A5/7V.
Statistically the same parallax within the errors would indicate the
components are physical.
 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23180-6100 DUN 247 2002 21 293 50.0 6.87 8.17 K1IIICN NLD 231800.80-610013.2
23180-6100 DUN 247 2013 24 295 51.3 6.87 8.17 K1IIICN NL 231800.80-610013.2
23180-6100 DUN 247 2016 27 294 51.8 6.87 8.17 K1IIICN NL 231800.80-610013.2

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

 
 
WDS 23180-6100 DUN 247 (HD 219621) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23180-6100 DUN 247 (HD 219621) : MEASURES
 
 
No records found.

 
 
WDS 23180-6100 (HD 219621) : VIRTUAL EYEPIECE
 
 

23180-6100 DUN 247A mag 6.87 Sp K1IIICN 23180-6100 DUN 247B sep 31.3 P.A. 313.10 mag 8.17 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 23180-6100 (HD 219621) : ALADIN DSS IMAGE @ 23h 18m 00.80s -61° 00' 13.2"
 
 
 
 
WDS 23180-6100 DUN 247 (HD 219621) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23180-6100 DUN 247 distance=0' 23164-6031 NZO 107 distance=32' 23133-6035 HU 1645 distance=43' 23169-6012 LDS 806AB distance=49' 23134-6022 TDT3941 distance=51' 23111-6055 TDS1203 distance=51' 23217-6149 UC 4930 distance=56' 23138-6009 NZO 106 distance=60' 23170-6200 EHR 20 distance=61' 23127-6013 UC 4902AB distance=62' 23128-6148 HU 1644 distance=62' 23229-6151 SKF2857 distance=62' 23275-6111 UC 4957 distance=70' 23123-6158 TDT3932 distance=72' 23162-5947 TOK 217 distance=75' 23155-5942 I 143 distance=81' 23225-5938 TDT4005 distance=89' 23247-5938 HDS3331 distance=97' 23106-5937 TDT3921 distance=100' 23108-5934 TDT3923 distance=102' 23086-5944 DUN 245 distance=104' 23226-5921 B 598 distance=105' 23057-6005 HDS3290 distance=107' 23079-5938 NZO 104 distance=112' 23076-5938 UC 4886 distance=113' 23339-6139 RST3326 distance=121' 23339-6141 NZO 108 distance=122' 23046-6218 B 1400Aa,Ab distance=124' 23046-6218 UC 4875AB distance=124' 23202-6304 RST1163 distance=126' 23224-5857 TOK 920Ca,Cb distance=128' 23021-6007 TDT3845 distance=129' 23006-6033 UC 4864 distance=131' 23032-6223 B 583 distance=135' 22590-6055 TDT3824 distance=139' 23231-6314 WIS 384 distance=139' 23081-6302 UC 4890 distance=141' 22587-6121 TDT3822 distance=142' 22593-6022 B 580AB distance=143' 22593-6022 B 580AC distance=143' 22583-6111 HJ 5370AB distance=144' 22583-6111 BAU 75AC distance=144' 23375-6130 TDT4130 distance=144' 23265-6314 HU 1648 distance=147' 23355-5948 KPP3082AC distance=149' 23355-5948 TDT4113 distance=149' 23316-6255 NSN 456 distance=150' 23105-5839 TDT3918 distance=152' 23366-6219 RST1171 distance=154' 23150-6334 LDS 803 distance=156' 23235-6332 B 1402 distance=157' 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 23180-6100 DUN 247 294 51.8
Show 23164-6031 NZO 107 330 1.4 32
Show 23133-6035 HU 1645 76 1.1 43
Show 23169-6012 LDS 806 AB 298 92.1 49
Show 23134-6022 TDT3941 93 1.0 51
Show 23111-6055 TDS1203 335 1.0 51
Show 23217-6149 UC 4930 212 22.1 56
Show 23138-6009 NZO 106 176 11.4 60
Show 23170-6200 EHR 20 348 10.2 61
Show 23127-6013 UC 4902 AB 313 8.9 62
Show 23128-6148 HU 1644 328 0.8 62
Show 23229-6151 SKF2857 166 16.6 62
Show 23275-6111 UC 4957 257 70.7 70
Show 23123-6158 TDT3932 82 0.7 72
Show 23162-5947 TOK 217 147 0.1 75
Show 23155-5942 I 143 8 3.1 81
Show 23225-5938 TDT4005 341 0.7 89
Show 23247-5938 HDS3331 239 0.3 97
Show 23106-5937 TDT3921 152 4.3 100
Show 23108-5934 TDT3923 264 1.4 102
Show 23086-5944 DUN 245 289 13.6 104
Show 23226-5921 B 598 8 0.2 105
Show 23057-6005 HDS3290 263 0.4 107
Show 23079-5938 NZO 104 67 3.6 112
Show 23076-5938 UC 4886 177 21.1 113
Show 23339-6139 RST3326 150 1.3 121
Show 23339-6141 NZO 108 207 3.6 122
Show 23046-6218 B 1400 Aa,Ab 349 0.6 124
Show 23046-6218 UC 4875 AB 92 46.0 124
Show 23202-6304 RST1163 249 1.9 126
Show 23224-5857 TOK 920 Ca,Cb 77 0.1 128
Show 23021-6007 TDT3845 259 1.5 129
Show 23006-6033 UC 4864 105 11.9 131
Show 23032-6223 B 583 309 3.1 135
Show 22590-6055 TDT3824 199 0.5 139
Show 23231-6314 WIS 384 224 37.2 139
Show 23081-6302 UC 4890 53 98.2 141
Show 22587-6121 TDT3822 35 0.6 142
Show 22593-6022 B 580 AB 144 2.4 143
Show 22593-6022 B 580 AC 46 17.2 143
Show 22583-6111 HJ 5370 AB 146 18.1 144
Show 22583-6111 BAU 75 AC 13 38.3 144
Show 23375-6130 TDT4130 176 0.6 144
Show 23265-6314 HU 1648 288 1.6 147
Show 23355-5948 KPP3082 AC 74 16.2 149
Show 23355-5948 TDT4113 223 0.7 149
Show 23316-6255 NSN 456 341 7.5 150
Show 23105-5839 TDT3918 117 1.8 152
Show 23366-6219 RST1171 353 3.6 154
Show 23150-6334 LDS 803 248 24.7 156
Show 23235-6332 B 1402 323 2.1 157

 
 
WDS 23180-6100 : COMPONENTS
 
 
  A
B pa=313.1°
sep=31.32"
 
 
23180-6100 A
 
 
Componente originario normalizzato AB Name HD 219631 Coord arcsec 2000 231800.80-610013.2 Mag 6.87
Spectral class K1IIICN (yellow-orange) PmRA 51.00 PmDE -92.0 SAO 255453
HIP 115043 Tycho2 9126-02031-1 HD 219631 GC 32422
CP CP-61 6735
Tycho2
Tycho2 9126-02031-1 Pflag RAmdeg 349.50331410 DEmdeg -61.00366091
PmRA 51.0 PmDE -89.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.33 EpDEm 1991.45
Num 15 Q RAmdeg 0.5 Q DEmdeg 0.2 Q pmRA 0.6
Q pmDE 0.3 BTmag 8.147 E BTmag 0.016 VTmag 6.869
E VTmag 0.010 Prox 493 TYC T HIP 115043
CCDM RAdeg 349.50306944 DEdeg -61.00345639 EpRA 1990 1.64
EpDE 1990 1.77 E RAdeg 4.0 E DEdeg 3.8 Posflg
Corr 0.0
SAO
SAO 255453 DelFlag RA1950 PmRA1950 0.0065
DE1950 PmDE1950 -0.085 Vmag 6.7 SpType G5
Double code Source 70 CatNum 32422 DM CP-61 6735
DMcomp BDsup HD 219631 M HD 0
GC 32422 RA1950rad 6.08711101 DE1950rad -1.06946635 PmRA2000 0.0058
PmDE2000 -0.089
Hipparcos
Catalog H HIP 115043 Proxy RAhms 23 18 00.73
DEdms -61 00 12.4 Vmag 6.74 VarFlag R Vmag H
RAdeg 349.503 DEdeg -61.0034 AstroRef Plx 6.9
CCDM 23180-6100 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 219631 BD
CD CP CP-61 6735 Dm number -61 6735 VIred 1.04
SpType K1IIICN... R SpType Coord arcsec 2000 231800.73-610012.4
Hipparcos 2
HIP 115043 Sn 5 So 0 Nc 1
RArad 6.0999791193 DErad -1.0647109583 Plx 6.9 PmRA 50.61
PmDE -91.54 E RArad 0.34 E DErad 0.36 E Plx 0.53
E pmRA 0.41 E pmDE 0.39 Hpmag 6.9094 E Hpmag 0.001
SHp 0.011 VA 0 BV 1.099 E BV 0.006
VI 1.06
CCDM
Ccdm 23180-6100 RComp Comp A Note1
Note2 Discov num DRAs 0.68 DDEs -13.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp G5 PmNote *
PmRA 47 PmDE -84 Dm number -61 6735 Cat1 CPD
Name2 255453 Cat2 SAO HD 219631 M HD
ADS BDS M ADS BDS N IDS IDS 23121S6133A
HIC 115043
 
 
23180-6100 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 231757.66-605951.8 Mag 8.17 PmRA -5.00
PmDE 6.0 SAO 255452 HIP 115034 Tycho2 9126-02030-1
HD 219621 GC 32419 CP CP-61 6734 Calc delta mag 1.3
Calc coord yes
Tycho2
Tycho2 9126-02030-1 Pflag RAmdeg 349.47699953 DEmdeg -60.99812558
PmRA -4.1 PmDE 5.3 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.20 EpDEm 1991.32
Num 12 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 8.536 E BTmag 0.016 VTmag 8.169
E VTmag 0.011 Prox 493 TYC T HIP 115034
CCDM RAdeg 349.47701944 DEdeg -60.99813778 EpRA 1990 1.64
EpDE 1990 1.77 E RAdeg 5.3 E DEdeg 4.9 Posflg
Corr 0.0
SAO
SAO 255452 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0.008 Vmag 7.4 SpType A3
Double code Source 70 CatNum 32419 DM CP-61 6734
DMcomp BDsup HD 219621 M HD 0
GC 32419 RA1950rad 6.08668011 DE1950rad -1.06939383 PmRA2000 0.0008
PmDE2000 0.004
Hipparcos
Catalog H HIP 115034 Proxy RAhms 23 17 54.48
DEdms -60 59 53.3 Vmag 8.25 VarFlag 1 R Vmag H
RAdeg 349.477 DEdeg -60.9981 AstroRef Plx 7.67
CCDM 23180-6100 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 219621 BD
CD CP CP-61 6734 Dm number -61 6734 VIred 0.3
SpType A6V R SpType Coord arcsec 2000 231754.48-605953.3
Hipparcos 2
HIP 115034 Sn 5 So 0 Nc 1
RArad 6.099524665 DErad -1.0646183263 Plx 7.08 PmRA -5.52
PmDE 7.26 E RArad 0.59 E DErad 0.62 E Plx 0.91
E pmRA 0.73 E pmDE 0.69 Hpmag 8.3256 E Hpmag 0.0013
SHp 0.019 VA 0 BV 0.297 E BV 0.014
VI 0.34
CCDM
Ccdm 23180-6100 RComp Comp B Note1
Note2 Discov num DUN 247 DRAs -5.42 DDEs 6.6
R dRAs 10 Year 1959 Theta 291 Rho 46.6
Obs 4 Vmag 7.8 Sp A3 PmNote *
PmRA 12 PmDE 8 Dm number -61 6734 Cat1 CPD
Name2 255452 Cat2 SAO HD 219621 M HD
ADS BDS M ADS BDS N IDS IDS 23121S6133B
HIC 115034