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Doubles in session


Current system
04093-2025
RST 2333 AB
HD 26347


Nearby doubles
33' : 04116-2021
SRT 2

39' : 04096-2103
DON 61

39' : 04121-2029
TDS2784

53' : 04129-2013
GWP 562

58' : 04075-1934
TVB 64

63' : 04120-2114
UC 1130

64' : 04051-2048
UC 1113

69' : 04089-1917
GWP 555

72' : 04121-1926
B 686

75' : 04130-2119
KPP2617

79' : 04042-2056
UC 1110

79' : 04141-2105
DON 63

85' : 04122-1911
KPP2462

85' : 04082-1902
KPP2388

87' : 04153-2004
BRT 300

88' : 04050-2128
KPP3555

93' : 04096-1852
ARA 528

101' : 04070-2200
HU 1363

102' : 04161-2059
KPP1099

103' : 04020-2026
DON 59

107' : 04161-2112
B 1934

111' : 04036-2142
B 685

114' : 04153-1909
RST2337

119' : 04177-2006
BRT 301

121' : 04161-2140
ARA1268

122' : 04111-1826
UPT 1



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.

04093-2025 RST 2333 AB (HD 26347)

 
 
04h 09m 18.92s -20° 24' 58.7" P.A. 189.00 sep 0.4 mag 9.70,9.70 Sp G2/3V
 
 
Coord 2000 04093-2025 Discov num RST2333 Comp AB Coord arcsec 2000 04 09 18.92 -20 24 58.7
Date first 1935 Date last 2020 Obs 15
Pa first 11 Pa last 188.5 P.A. Now (θ) 188.5°
Sep first 0.3 Sep last 0.362 Sep. Now (ρ) 0.362"
Mag pri 9.70 Mag sec 9.70 delta mag (ΔM) 0 Spectral class G2/3V (yellow)
Pri motion ra +022 Sec motion ra
Pri motion dec -029 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
04093-2025 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 26347 169175 04 09 19 -20 24 59 RST 2333 AB 2020 15 189 0.4 9.70 9.70 0.00 Y <===
Show 169175 04 09 19 -20 24 59 SKF 2465 AB,C 2015 7 191 42.2 9.20 13.30 4.10
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 26347 Constellation Eridanus SAO 169175 Tycho2 5889-01357-1
Gaia DR2 5091025641634025984 HD 26347
 
 
ORBITAL ELEMENTS
 
 
Period (P)225y Periastron (T)1949.2y Semi-major axis (a)0.498a
Eccentricity (e)0.256 Inclination (i)80.9° Longitude of periastron (ω)358.7°
Node (Ω)15.4° Notes ReferenceDoc2012i
Equinox2000 Last observation2010 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 170.9 0.184
2001 172.6 0.196
2002 174.1 0.209
2003 175.4 0.221
2004 176.6 0.233
2005 177.6 0.245
2006 178.6 0.257
2007 179.5 0.269
2008 180.3 0.281
2009 181.0 0.293
2010 181.7 0.304
2011 182.3 0.316
2012 182.9 0.327
2013 183.4 0.338
2014 184.0 0.349
2015 184.4 0.360
2016 184.9 0.370
2017 185.3 0.381
2018 185.7 0.391
2019 186.1 0.401
2020 186.5 0.411
2021 186.8 0.421
2022 187.2 0.430
2023 187.5 0.439
2024 187.8 0.448
2025 188.1 0.457
2026 188.4 0.466
2027 188.7 0.474
2028 188.9 0.482
2029 189.2 0.490
2030 189.4 0.498


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


 
  


wds04093-2025c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04093-2025 RST 2333 AB (HD 26347) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doc2012i orb - Docobo, J.A. & Campo, P. 2012IAUDS.178....1D
Doc2012i Inf. Circ. 178, 1, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
14 SKF Skiff, B.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04093-2025 RST2333 AB 2010 13 181 0.3 9.70 9.70 G2/3V O 040918.92-202458.7
04093-2025 RST2333 AB 2015 14 186 0.3 9.70 9.70 G2/3V O 040918.92-202458.7
04093-2025 RST2333 AB 2020 15 189 0.4 9.70 9.70 G2/3V O 040918.92-202458.7

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

 
 
WDS 04093-2025 RST 2333 AB (HD 26347) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04093-2025 RST 2333 AB (HD 26347) : MEASURES
 
 
No records found.

 
 
WDS 04093-2025 (HD 26347) : VIRTUAL EYEPIECE
 
 

04093-2025 RST2333A mag 9.7 Sp G2/3V 04093-2025 RST2333B sep 0.4 P.A. 188.00 mag 9.7 04093-2025 SKF2465C sep 42.1 P.A. 190.40 mag 13.3 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 04093-2025 (HD 26347) : ALADIN DSS IMAGE @ 04h 09m 18.92s -20° 24' 58.7"
 
 
 
 
WDS 04093-2025 RST 2333 AB (HD 26347) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04093-2025 RST2333AB distance=0' 04116-2021 SRT 2 distance=33' 04096-2103 DON 61 distance=39' 04121-2029 TDS2784 distance=39' 04129-2013 GWP 562 distance=53' 04075-1934 TVB 64 distance=58' 04120-2114 UC 1130 distance=63' 04051-2048 UC 1113 distance=64' 04089-1917 GWP 555 distance=69' 04121-1926 B 686 distance=72' 04130-2119 KPP2617 distance=75' 04042-2056 UC 1110 distance=79' 04141-2105 DON 63 distance=79' 04122-1911 KPP2462 distance=85' 04082-1902 KPP2388 distance=85' 04153-2004 BRT 300 distance=87' 04050-2128 KPP3555 distance=88' 04096-1852 ARA 528 distance=93' 04070-2200 HU 1363 distance=101' 04161-2059 KPP1099 distance=102' 04020-2026 DON 59 distance=103' 04161-2112 B 1934 distance=107' 04036-2142 B 685 distance=111' 04153-1909 RST2337 distance=114' 04177-2006 BRT 301 distance=119' 04161-2140 ARA1268 distance=121' 04111-1826 UPT 1 distance=122' 04012-2120 SKF2173 distance=126' 04137-1832 GWP 564 distance=129' 04123-1820 RSS 71 distance=133' 04188-2048 KPP2347 distance=136' 04167-2153 NSC 19 distance=136' 04187-1924 B 687 distance=147' 04081-1759 GWP 553 distance=148' 04003-1908 NSN 243 distance=149' 04047-2244 ARA1980 distance=154' 04128-2251 LDS3563 distance=154' 04095-2304 LDS3559AB distance=160' 04095-2304 KPP4354AC distance=160' 04103-2308 UC 1127 distance=164' 04205-2120 B 2570 distance=166' 04131-2308 HU 30 distance=171' 04134-1742 GWP 563 distance=173' 04215-2055 B 1935AB distance=174' 04215-2055 LDS9168AC distance=174' 04208-1920 SEE 36 distance=176' 04040-2304 UC 1109 distance=176' 04095-1729 ENG 17AB distance=177' 04095-1729 BUP 50AC distance=177' 03566-2056 TDS2690 distance=182' 03592-1821 UC 1094 distance=189' 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 04093-2025 RST2333 AB 189 0.4
Show 04093-2025 SKF2465 AB,C 191 42.2
Show 04116-2021 SRT 2 334 61.8 33
Show 04096-2103 DON 61 183 0.8 39
Show 04121-2029 TDS2784 135 0.4 39
Show 04129-2013 GWP 562 115 162.8 53
Show 04075-1934 TVB 64 248 5.8 58
Show 04120-2114 UC 1130 249 26.3 63
Show 04051-2048 UC 1113 22 58.1 64
Show 04089-1917 GWP 555 328 309.0 69
Show 04121-1926 B 686 144 1.7 72
Show 04130-2119 KPP2617 47 24.1 75
Show 04042-2056 UC 1110 290 49.3 79
Show 04141-2105 DON 63 345 0.9 79
Show 04122-1911 KPP2462 17 21.9 85
Show 04082-1902 KPP2388 206 20.6 85
Show 04153-2004 BRT 300 292 4.3 87
Show 04050-2128 KPP3555 353 1.6 88
Show 04096-1852 ARA 528 34 10.1 93
Show 04070-2200 HU 1363 115 0.4 101
Show 04161-2059 KPP1099 221 8.7 102
Show 04020-2026 DON 59 42 1.9 103
Show 04161-2112 B 1934 43 0.2 107
Show 04036-2142 B 685 338 1.3 111
Show 04153-1909 RST2337 315 0.8 114
Show 04177-2006 BRT 301 211 4.1 119
Show 04161-2140 ARA1268 252 14.2 121
Show 04111-1826 UPT 1 94 3.6 122
Show 04012-2120 SKF2173 134 29.3 126
Show 04137-1832 GWP 564 38 30.9 129
Show 04123-1820 RSS 71 176 10.8 133
Show 04188-2048 KPP2347 200 20.1 136
Show 04167-2153 NSC 19 306 8.4 136
Show 04187-1924 B 687 252 0.4 147
Show 04081-1759 GWP 553 240 11.1 148
Show 04003-1908 NSN 243 182 3.1 149
Show 04047-2244 ARA1980 301 10.0 154
Show 04128-2251 LDS3563 333 15.7 154
Show 04095-2304 LDS3559 AB 343 2.8 160
Show 04095-2304 KPP4354 AC 237 41.7 160
Show 04103-2308 UC 1127 316 39.4 164
Show 04205-2120 B 2570 51 7.5 166
Show 04131-2308 HU 30 176 5.0 171
Show 04134-1742 GWP 563 296 24.9 173
Show 04215-2055 B 1935 AB 5 0.1 174
Show 04215-2055 LDS9168 AC 326 59.3 174
Show 04208-1920 SEE 36 342 8.0 176
Show 04040-2304 UC 1109 290 41.1 176
Show 04095-1729 ENG 17 AB 135 118.4 177
Show 04095-1729 BUP 50 AC 40 117.1 177
Show 03566-2056 TDS2690 305 0.5 182

 
 
WDS 04093-2025 : COMPONENTS
 
 
  A B
B pa=188.0°
sep=0.36"
 
C pa=190.4°
sep=42.06"
pa=190.4°
sep=41.69"
 
 
04093-2025 A
 
 
Name HD 26347 Coord arcsec 2000 040918.92-202458.7 Mag 9.7 Spectral class G2/3V (yellow)
PmRA 22.00 PmDE -29.0 SAO 169175 Tycho2 5889-01357-1
HD 26347 DM BD-20 793
Tycho2
Tycho2 5889-01357-1 Pflag RAmdeg 62.32886480 DEmdeg -20.41634299
PmRA 21.2 PmDE -32.2 E RAmdeg 12 E DEmdeg 13
E pmRA 1.6 E pmDE 1.6 EpRAm 1989.44 EpDEm 1989.00
Num 6 Q RAmdeg 0.4 Q DEmdeg 1.1 Q pmRA 0.4
Q pmDE 1.0 BTmag 9.914 E BTmag 0.027 VTmag 9.222
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 62.32881167 DEdeg -20.41626667 EpRA 1990 1.60
EpDE 1990 1.49 E RAdeg 13.0 E DEdeg 14.3 Posflg
Corr 0.2
SAO
SAO 169175 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.084 Vmag 9.1 SpType G5
Double code Source 23 CatNum 1246 DM BD-20 793
DMcomp BDsup HD 26347 M HD 0
GC RA1950rad 1.0782614 DE1950rad -0.35859302 PmRA2000 0.002
PmDE2000 0.083
CCDM
Ccdm 04093-2025 RComp Comp A Note1
Note2 Discov num DRAs 0.91 DDEs 8.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp G5 PmNote *
PmRA 22 PmDE 84 Dm number -20 793 Cat1 BD
Name2 169175 Cat2 SAO HD 26347 M HD
ADS BDS M ADS BDS N IDS IDS 04049S2041A
HIC
 
 
04093-2025 B
 
 
Coord arcsec 2000 040918.92-202459.1 Mag 9.7 Calc coord yes
CCDM
Ccdm 04093-2025 RComp Comp B Note1
Note2 Discov num RST2333 DRAs DDEs
R dRAs Year 1935 Theta 009 Rho 0.3
Obs 4 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 04049S2041B
HIC
 
 
04093-2025 C
 
 
Coord arcsec 2000 040918.38-202540.1 Mag 13.3 PmRA 18.00 PmDE -35.0
Calc delta mag 3.6 Calc coord yes