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Doubles in session


Current system
23023-6418
DUN 244
HD 217488


Nearby doubles
49' : 23086-6352
B 590

66' : 23054-6316
B 586AB

67' : 23039-6312
RST1156

70' : 23129-6429
RST1159

86' : 23081-6302
UC 4890

93' : 22491-6345
B 577

95' : 22522-6311
I 340

95' : 23150-6334
LDS 803

100' : 22552-6250
UC 4846

103' : 22503-6313
RST2205

104' : 23158-6516
HU 1646

110' : 23191-6413
TDT3978

111' : 23067-6605
HDS3294AB

112' : 22508-6543
HDS3246

113' : 22460-6459
TDT3696

116' : 23032-6223
B 583

118' : 23159-6538
TDT3958

118' : 22446-6357
HDO 300

121' : 22476-6534
HJ 5361

121' : 23046-6218
UC 4875AB

122' : 22437-6439
R 339

125' : 23126-6603
LDS 799

125' : 22435-6449
TOK 351

128' : 22427-6436
TDT3669

130' : 23064-6625
I 684

133' : 23218-6345
TDT3997



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

23023-6418 DUN 244 (HD 217488)

 
 
23h 02m 16.03s -64° 17' 52.7" P.A. 91.00 sep 46.5 mag 7.68,9.93 Sp F5IV/V dist. 106.61 pc (347.76 l.y.)
 
 
Coord 2000 23023-6418 Discov num DUN 244 Comp Coord arcsec 2000 23 02 16.03 -64 17 52.7
Date first 1836 Date last 2015 Obs 16
Pa first 100 Pa last 91.3 P.A. Now (θ) 91.3°
Sep first 48.9 Sep last 46.539 Sep. Now (ρ) 46.539"
Mag pri 7.68 Mag sec 9.93 delta mag (ΔM) 2.25 Spectral class F5IV/V (yellow-white)
Pri motion ra +028 Sec motion ra +026
Pri motion dec -048 Sec motion dec -009
Notes N (See Notes)
rPM=0.703
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 217488 Constellation Tucana SAO 255381 HIP 113759
Tycho2 9128-00479-1 Gaia DR2 6393362255241691648 HD 217488 GC 32084
CP CP-64 4309 Distance 106.61 Distance ly 347.76
 
 
WDS 23023-6418 DUN 244 (HD 217488) : NOTES
 
 
discov_num notes refcode
DUN 244 B is CPD-64@4310.
 
 
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
23023-6418 DUN 244 1999 11 91 46.7 7.68 9.93 F5IV/V N D 230216.03-641752.7
23023-6418 DUN 244 2010 14 91 46.5 7.68 9.93 F5IV/V N 230216.03-641752.7
23023-6418 DUN 244 2015 15 91 46.5 7.68 9.93 F5IV/V N 230216.03-641752.7

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

 
 
WDS 23023-6418 DUN 244 (HD 217488) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23023-6418 DUN 244 (HD 217488) : MEASURES
 
 
No records found.

 
 
WDS 23023-6418 (HD 217488) : VIRTUAL EYEPIECE
 
 

23023-6418 DUN 244A mag 7.68 Sp F5IV/V 23023-6418 DUN 244B sep 20.2 P.A. 93.00 mag 9.93 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 23023-6418 (HD 217488) : ALADIN DSS IMAGE @ 23h 02m 16.03s -64° 17' 52.7"
 
 
 
 
WDS 23023-6418 DUN 244 (HD 217488) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23023-6418 DUN 244 distance=0' 23086-6352 B 590 distance=49' 23054-6316 B 586AB distance=66' 23039-6312 RST1156 distance=67' 23129-6429 RST1159 distance=70' 23081-6302 UC 4890 distance=86' 22491-6345 B 577 distance=93' 22522-6311 I 340 distance=95' 23150-6334 LDS 803 distance=95' 22552-6250 UC 4846 distance=100' 22503-6313 RST2205 distance=103' 23158-6516 HU 1646 distance=104' 23191-6413 TDT3978 distance=110' 23067-6605 HDS3294AB distance=111' 23067-6605 RED 28AB,C distance=111' 22508-6543 HDS3246 distance=112' 22460-6459 TDT3696 distance=113' 23032-6223 B 583 distance=116' 23159-6538 TDT3958 distance=118' 22446-6357 HDO 300 distance=118' 22476-6534 HJ 5361 distance=121' 23046-6218 B 1400Aa,Ab distance=121' 23046-6218 UC 4875AB distance=121' 22437-6439 R 339 distance=122' 23126-6603 LDS 799 distance=125' 22435-6449 TOK 351 distance=125' 22427-6436 TDT3669 distance=128' 23064-6625 I 684 distance=130' 23218-6345 TDT3997 distance=133' 22545-6624 TDT3780 distance=136' 22444-6536 TDT3683 distance=138' 23169-6600 UC 4916BD distance=138' 23169-6600 UC 4916AB distance=138' 22428-6521 LDS 791AB distance=140' 22428-6521 DAM 246AC distance=140' 23202-6304 RST1163 distance=141' 23095-6631 HDS3297 distance=141' 22452-6255 UC 4808 distance=141' 22498-6215 UC 4829 distance=150' 22477-6221 HU 1641AB distance=153' 22477-6221 HU 1641AC distance=153' 23017-6653 GLI 280 distance=155' 23123-6158 TDT3932 distance=156' 23129-6644 LDS 800 distance=162' 23153-6641 LDS 804 distance=165' 23157-6640 DAM 251AB distance=166' 23157-6640 DAM 251AC distance=166' 23128-6148 HU 1644 distance=166' 23170-6200 EHR 20 distance=170' 22548-6132 NSN 439 distance=174' 22480-6648 DON1037 distance=175' 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 23023-6418 DUN 244 91 46.5
Show 23086-6352 B 590 355 0.1 49
Show 23054-6316 B 586 AB 300 3.6 66
Show 23039-6312 RST1156 123 0.9 67
Show 23129-6429 RST1159 30 1.0 70
Show 23081-6302 UC 4890 53 98.2 86
Show 22491-6345 B 577 83 0.5 93
Show 22522-6311 I 340 337 0.9 95
Show 23150-6334 LDS 803 248 24.7 95
Show 22552-6250 UC 4846 48 21.2 100
Show 22503-6313 RST2205 98 0.2 103
Show 23158-6516 HU 1646 32 0.2 104
Show 23191-6413 TDT3978 212 2.1 110
Show 23067-6605 HDS3294 AB 75 0.1 111
Show 23067-6605 RED 28 AB,C 135 74.5 111
Show 22508-6543 HDS3246 292 0.1 112
Show 22460-6459 TDT3696 27 0.6 113
Show 23032-6223 B 583 309 3.1 116
Show 23159-6538 TDT3958 233 0.4 118
Show 22446-6357 HDO 300 294 43.0 118
Show 22476-6534 HJ 5361 44 84.5 121
Show 23046-6218 B 1400 Aa,Ab 349 0.6 121
Show 23046-6218 UC 4875 AB 92 46.0 121
Show 22437-6439 R 339 250 10.9 122
Show 23126-6603 LDS 799 182 19.5 125
Show 22435-6449 TOK 351 157 178.9 125
Show 22427-6436 TDT3669 140 0.4 128
Show 23064-6625 I 684 336 2.0 130
Show 23218-6345 TDT3997 320 1.3 133
Show 22545-6624 TDT3780 333 2.2 136
Show 22444-6536 TDT3683 263 2.3 138
Show 23169-6600 UC 4916 BD 234 0.7 138
Show 23169-6600 UC 4916 AB 42 11.2 138
Show 22428-6521 LDS 791 AB 292 20.7 140
Show 22428-6521 DAM 246 AC 176 7.0 140
Show 23202-6304 RST1163 249 1.9 141
Show 23095-6631 HDS3297 357 0.4 141
Show 22452-6255 UC 4808 267 19.0 141
Show 22498-6215 UC 4829 294 18.5 150
Show 22477-6221 HU 1641 AB 57 0.9 153
Show 22477-6221 HU 1641 AC 118 10.4 153
Show 23017-6653 GLI 280 63 38.0 155
Show 23123-6158 TDT3932 82 0.7 156
Show 23129-6644 LDS 800 59 14.1 162
Show 23153-6641 LDS 804 80 119.9 165
Show 23157-6640 DAM 251 AB 24 7.3 166
Show 23157-6640 DAM 251 AC 260 5.9 166
Show 23128-6148 HU 1644 328 0.8 166
Show 23170-6200 EHR 20 348 10.2 170
Show 22548-6132 NSN 439 355 2.4 174
Show 22480-6648 DON1037 106 1.5 175

 
 
WDS 23023-6418 : COMPONENTS
 
 
  A
B pa=93.0°
sep=20.21"
 
 
23023-6418 A
 
 
Componente originario normalizzato AB Name HD 217488 Coord arcsec 2000 230216.03-641752.7 Mag 7.68
Spectral class F5IV/V (yellow-white) PmRA 28.00 PmDE -48.0 SAO 255381
HIP 113759 Tycho2 9128-00479-1 HD 217488 GC 32084
CP CP-64 4309
Tycho2
Tycho2 9128-00479-1 Pflag RAmdeg 345.56679267 DEmdeg -64.29797193
PmRA 28.2 PmDE -49.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.44 EpDEm 1991.51
Num 12 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.4
Q pmDE 0.6 BTmag 8.035 E BTmag 0.015 VTmag 7.684
E VTmag 0.010 Prox 467 TYC T HIP 113759
CCDM RAdeg 345.56664194 DEdeg -64.29785944 EpRA 1990 1.69
EpDE 1990 1.76 E RAdeg 4.4 E DEdeg 4.2 Posflg
Corr 0.1
SAO
SAO 255381 DelFlag RA1950 PmRA1950 0.0051
DE1950 PmDE1950 -0.05 Vmag 7.6 SpType F0
Double code Source 70 CatNum 32084 DM CP-64 4309
DMcomp BDsup HD 217488 M HD 0
GC 32084 RA1950rad 6.01748167 DE1950rad -1.12689956 PmRA2000 0.0041
PmDE2000 -0.053
Hipparcos
Catalog H HIP 113759 Proxy RAhms 23 02 15.99
DEdms -64 17 52.3 Vmag 7.65 VarFlag R Vmag G
RAdeg 345.567 DEdeg -64.2979 AstroRef Plx 9.15
CCDM 23023-6418 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 217488 BD
CD CP CP-64 4309 Dm number -64 4309 VIred 0.39
SpType F3:IV/V+... R SpType Coord arcsec 2000 230215.99-641752.3
Hipparcos 2
HIP 113759 Sn 5 So 0 Nc 1
RArad 6.0312754411 DErad -1.1222091752 Plx 9.38 PmRA 28.02
PmDE -48.14 E RArad 0.37 E DErad 0.43 E Plx 0.63
E pmRA 0.49 E pmDE 0.54 Hpmag 7.7303 E Hpmag 0.0013
SHp 0.016 VA 0 BV 0.334 E BV 0.015
VI 0.39
CCDM
Ccdm 23023-6418 RComp Comp A Note1
Note2 Discov num DRAs -1.96 DDEs 6.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp F0 PmNote *
PmRA 34 PmDE -50 Dm number -64 4309 Cat1 CPD
Name2 255381 Cat2 SAO HD 217488 M HD
ADS BDS M ADS BDS N IDS IDS 22559S6450A
HIC 113759
 
 
23023-6418 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 230219.13-641753.8 Mag 9.93 PmRA 26.00
PmDE -9.0 Calc delta mag 2.25 Calc coord yes
CCDM
Ccdm 23023-6418 RComp Comp B Note1
Note2 Discov num DUN 244 DRAs 5.19 DDEs 6.4
R dRAs 10 Year 1916 Theta 096 Rho 47.2
Obs 3 Vmag 10.0 Sp PmNote *
PmRA 16 PmDE -6 Dm number -64 4310 Cat1 CPD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 22559S6450B
HIC