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Doubles in session


Current system
23474-7118
FIN 375 Aa,Ab


Nearby doubles
36' : 23433-7049
HJ 5415

38' : 23401-7107
GLI 286

40' : 23555-7115
UC 5048

41' : 23465-7159
HJ 5419

44' : 23553-7059
LDS 827AB

51' : 23563-7052
HJ 5434

52' : 23444-7029
WSI 94

57' : 23375-7049
HJ 5409

61' : 23536-7211
HJ 5427

61' : 23598-7130
TDS1234

62' : 23531-7023
BAS 8

71' : 23528-7224
B 1901

74' : 23415-7226
KPP4325

75' : 23360-7030
FIN 290

87' : 23457-7245
UC 5020

90' : 23506-6950
FIN 293

93' : 23287-7100
UC 4960

98' : 23457-6941
FIN 292

99' : 23582-6956
LPO 68AB

126' : 23553-6922
HJ 5449AB

127' : 23510-7324
UC 5035

133' : 23397-6912
R 348

147' : 23285-7317
B 1899

150' : 23494-6849
TDS1224

158' : 23310-6905
HJ 5402

173' : 23481-7411
KPP3061



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

23474-7118 FIN 375 Aa,Ab

 
 
23h 47m 23.22s -71° 18' 24.4" P.A. 284.00 sep 0.1 mag 7.54,8.82 Sp K0III dist. 192.68 pc (628.52 l.y.)
 
 
Coord 2000 23474-7118 Discov num FIN 375 Comp Aa,Ab Coord arcsec 2000 23 47 23.22 -71 18 24.4
Date first 1960 Date last 2021 Obs 12
Pa first 131 Pa last 283.8 P.A. Now (θ) 283.8°
Sep first 0.1 Sep last 0.124 Sep. Now (ρ) 0.128"
Mag pri 7.54 Mag sec 8.82 delta mag (ΔM) 1.28 Spectral class K0III (yellow-orange)
Pri motion ra +062 Sec motion ra
Pri motion dec -053 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
23474-7118 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 258186 23 47 23 -71 18 24 FIN 375 Aa,Ab 2021 12 284 0.1 7.54 8.82 1.28 Y <===
Show 258186 23 47 23 -71 18 24 I 695 AB 2015 4 20 8.9 7.22 13.50 6.28
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Tucana SAO 258186 HIP 117326 Tycho2 9342-01935-1
Gaia DR2 6386232437731930880 HD 223134 CP CP-72 2783 Distance 192.68
Distance ly 628.52
 
 
ORBITAL ELEMENTS
 
 
Period (P)82y Periastron (T)2037y Semi-major axis (a)0.18a
Eccentricity (e)0.515 Inclination (i)60.3° Longitude of periastron (ω)246.9°
Node (Ω)139° Notes ReferenceTok2014a
Equinox2000 Last observation2013 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 198.1 0.150
2001 200.9 0.146
2002 203.7 0.143
2003 206.8 0.140
2004 209.9 0.137
2005 213.2 0.134
2006 216.6 0.131
2007 220.2 0.129
2008 223.9 0.127
2009 227.7 0.125
2010 231.6 0.124
2011 235.6 0.122
2012 239.7 0.121
2013 243.8 0.121
2014 247.9 0.120
2015 252.1 0.121
2016 256.2 0.121
2017 260.4 0.121
2018 264.4 0.122
2019 268.4 0.123
2020 272.4 0.124
2021 276.3 0.126
2022 280.1 0.127
2023 283.8 0.128
2024 287.5 0.129
2025 291.1 0.129
2026 294.7 0.129
2027 298.4 0.129
2028 302.0 0.127
2029 305.8 0.125
2030 309.8 0.122


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


 
  


wds23474-7118c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23474-7118 FIN 375 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2014a orb j Tokovinin, A., Mason, B.D., & Hartkopf, W.I. 2014AJ....147..123T
Tok2014a +St AJ 147, 123, 2014 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
idgroup discov author
1 FIN Finsen, W.S.
171 I Innes, R.T.A.
175 I MNRAS 57, 533, 1897 (data also in I__1897b,
175 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23474-7118 FIN 375 Aa,Ab 1991 6 174 0.1 7.54 8.82 K0III O 234723.22-711824.4
23474-7118 FIN 375 Aa,Ab 2008 8 226 0.1 7.54 8.82 K0III O 234723.22-711824.4
23474-7118 FIN 375 Aa,Ab 2013 10 248 0.1 7.54 8.82 K0III O 234723.22-711824.4
23474-7118 FIN 375 Aa,Ab 2017 11 267 0.1 7.54 8.82 K0III O 234723.22-711824.4
23474-7118 FIN 375 Aa,Ab 2021 12 284 0.1 7.54 8.82 K0III O 234723.22-711824.4

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

 
 
WDS 23474-7118 FIN 375 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23474-7118 FIN 375 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 23474-7118 : VIRTUAL EYEPIECE
 
 

23474-7118 FIN 375Ab sep 0.1 P.A. 307.50 mag 8.82 23474-7118 I 695A mag 7.22 Sp K0III 23474-7118 I 695B sep 8.5 P.A. 6.50 mag 13.5 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 23474-7118 : ALADIN DSS IMAGE @ 23h 47m 23.22s -71° 18' 24.4"
 
 
 
 
WDS 23474-7118 FIN 375 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23474-7118 FIN 375Aa,Ab distance=0' 23433-7049 HJ 5415 distance=36' 23401-7107 GLI 286 distance=38' 23555-7115 UC 5048 distance=40' 23465-7159 HJ 5419 distance=41' 23553-7059 LDS 827AB distance=44' 23553-7059 BAU 79AC distance=44' 23563-7052 HJ 5434 distance=51' 23444-7029 WSI 94 distance=52' 23375-7049 HJ 5409 distance=57' 23536-7211 HJ 5427 distance=61' 23598-7130 TDS1234 distance=61' 23531-7023 BAS 8 distance=62' 23528-7224 B 1901 distance=71' 23415-7226 KPP4325 distance=74' 23360-7030 FIN 290 distance=75' 23457-7245 UC 5020 distance=87' 23506-6950 FIN 293 distance=90' 23287-7100 UC 4960 distance=93' 23457-6941 FIN 292 distance=98' 23582-6956 LPO 68AB distance=99' 23582-6956 BAU 80AC distance=99' 23553-6922 HJ 5449AB distance=126' 23553-6922 BAU 78AC distance=126' 23510-7324 UC 5035 distance=127' 23397-6912 R 348 distance=133' 23285-7317 B 1899 distance=147' 23494-6849 TDS1224 distance=150' 23310-6905 HJ 5402 distance=158' 23481-7411 KPP3061 distance=173' 23311-7408 I 690AB distance=185' 23311-7408 HJ 5400AC distance=185' 23391-6818 KPP4323 distance=186' 23437-7428 NSN 435 distance=191' 23489-6757 LDS 824 distance=203' 23298-7440 KPP3060 distance=216' 23588-6738 TDT4303 distance=229' 23489-7537 UC 5028 distance=259' 23276-7525 HDS3341AB distance=261' 23495-6647 UC 5029 distance=273' 23372-6644 KPP2219 distance=281' 23307-7604 NSN 434AC distance=294' 23431-7616 UC 5009 distance=299' 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 23474-7118 FIN 375 Aa,Ab 284 0.1
Show 23474-7118 I 695 AB 20 8.9
Show 23433-7049 HJ 5415 134 40.1 36
Show 23401-7107 GLI 286 144 7.5 38
Show 23555-7115 UC 5048 12 42.9 40
Show 23465-7159 HJ 5419 92 20.9 41
Show 23553-7059 LDS 827 AB 305 166.3 44
Show 23553-7059 BAU 79 AC 11 72.6 44
Show 23563-7052 HJ 5434 54 20.4 51
Show 23444-7029 WSI 94 91 0.0 52
Show 23375-7049 HJ 5409 89 19.1 57
Show 23536-7211 HJ 5427 61 9.1 61
Show 23598-7130 TDS1234 105 1.3 61
Show 23531-7023 BAS 8 31 0.5 62
Show 23528-7224 B 1901 296 5.5 71
Show 23415-7226 KPP4325 151 48.1 74
Show 23360-7030 FIN 290 358 0.8 75
Show 23457-7245 UC 5020 179 48.3 87
Show 23506-6950 FIN 293 235 4.0 90
Show 23287-7100 UC 4960 284 22.8 93
Show 23457-6941 FIN 292 7 2.1 98
Show 23582-6956 LPO 68 AB 68 3.8 99
Show 23582-6956 BAU 80 AC 19 36.9 99
Show 23553-6922 HJ 5449 AB 355 8.0 126
Show 23553-6922 BAU 78 AC 177 37.1 126
Show 23510-7324 UC 5035 35 53.8 127
Show 23397-6912 R 348 347 3.9 133
Show 23285-7317 B 1899 41 2.8 147
Show 23494-6849 TDS1224 81 0.9 150
Show 23310-6905 HJ 5402 198 36.4 158
Show 23481-7411 KPP3061 287 3.7 173
Show 23311-7408 I 690 AB 262 0.6 185
Show 23311-7408 HJ 5400 AC 191 38.6 185
Show 23391-6818 KPP4323 259 1.5 186
Show 23437-7428 NSN 435 292 1.8 191
Show 23489-6757 LDS 824 93 35.5 203
Show 23298-7440 KPP3060 21 8.2 216
Show 23588-6738 TDT4303 253 1.7 229
Show 23489-7537 UC 5028 204 6.0 259
Show 23276-7525 HDS3341 AB 351 0.5 261
Show 23495-6647 UC 5029 288 19.9 273
Show 23372-6644 KPP2219 179 18.4 281
Show 23307-7604 NSN 434 AC 7 25.9 294
Show 23431-7616 UC 5009 52 26.4 299

 
 
WDS 23474-7118 : COMPONENTS
 
 
  A Ab
Ab pa=307.5°
sep=0.05"
 
B pa=6.5°
sep=8.48"
pa=6.8°
sep=8.45"
 
 
23474-7118 A
 
 
Coord arcsec 2000 234723.22-711824.4 Mag 7.22 Spectral class K0III (yellow-orange) PmRA 62.00
PmDE -53.0 SAO 258186 HIP 117326 Tycho2 9342-01935-1
HD 223134 GC 33011 CP CP-72 2783
Tycho2
Tycho2 9342-01935-1 Pflag RAmdeg 356.84722326 DEmdeg -71.30689570
PmRA 61.2 PmDE -49.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.39 EpDEm 1991.49
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 8.489 E BTmag 0.015 VTmag 7.221
E VTmag 0.010 Prox 999 TYC T HIP 117326
CCDM AB RAdeg 356.84678083 DEdeg -71.30678167 EpRA 1990 1.65
EpDE 1990 1.75 E RAdeg 4.3 E DEdeg 4.4 Posflg P
Corr 0.0
SAO
SAO 258186 DelFlag RA1950 PmRA1950 0.0159
DE1950 PmDE1950 -0.043 Vmag 7.1 SpType K0
Double code Source 70 CatNum 33011 DM CP-72 2783
DMcomp BDsup HD 223134 M HD 0
GC 33011 RA1950rad 6.21605612 DE1950rad -1.24937782 PmRA2000 0.014
PmDE2000 -0.045
Hipparcos
Catalog H HIP 117326 Proxy H RAhms 23 47 23.22
DEdms -71 18 24.4 Vmag 7.08 VarFlag R Vmag H
RAdeg 356.847 DEdeg -71.3068 AstroRef * Plx 5.46
CCDM 23474-7118 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 174 Rho 0.131 HD 223134 BD
CD CP CP-72 2783 Dm number -72 2783 VIred 1.03
SpType K0III R SpType Coord arcsec 2000 234723.22-711824.4
Hipparcos 2
HIP 117326 Sn 55 So 3 Nc 2
RArad 6.2281510116 DErad -1.2445380188 Plx 5.19 PmRA 63.44
PmDE -50.93 E RArad 0.46 E DErad 0.45 E Plx 0.58
E pmRA 0.55 E pmDE 0.57 Hpmag 7.2517 E Hpmag 0.001
SHp 0.012 VA 0 BV 1.057 E BV 0.009
VI 1.02
CCDM
Ccdm 23474-7118 RComp Comp A Note1
Note2 Discov num DRAs -0.49 DDEs -24.1
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.9 Sp K0 PmNote *
PmRA 73 PmDE -43 Dm number -72 2783 Cat1 CPD
Name2 258186 Cat2 SAO HD 223134 M HD
ADS BDS M ADS BDS N IDS IDS 23418S7152A
HIC 117326
 
 
23474-7118 Ab
 
 
Coord arcsec 2000 234723.21-711824.4 Mag 8.82 Calc delta mag 1.28 Calc coord yes
 
 
23474-7118 B
 
 
Coord arcsec 2000 234723.42-711816.0 Mag 13.5 Calc delta mag 5.96 Calc coord yes
CCDM
Ccdm 23474-7118 RComp Comp B Note1
Note2 Discov num FIN 375 DRAs DDEs
R dRAs Year 1960 Theta 131 Rho 0.1
Obs 11 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 23418S7152B
HIC 117326