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Doubles in session


Current system
04093-0756
A 469
HD 26294


Nearby doubles
45' : 04095-0742
BRT 533

50' : 04063-0735
GWP 550

55' : 04103-0849
A 470

59' : 04073-0846
B 2551

65' : 04075-0657
A 468

67' : 04062-0842
GWP 549

67' : 04119-0850
HJ 2224

77' : 04043-0810
RST4768

82' : 04126-0901
KPP2264

83' : 04127-0650
STF 514

83' : 04049-0845
HLD 72

86' : 04151-0750
RST4235

90' : 04120-0916
A 471

93' : 04075-0628
A 467

94' : 04065-0633
KPP 105

104' : 04036-0855
RST4767

105' : 04133-0630
SLW 168

107' : 04125-0620
KPP1591

109' : 04138-0921
RST4234

110' : 04133-0928
HJ 3626

112' : 04133-0931
FOX 6

118' : 04016-0738
A 466

118' : 04024-0700
STF 489

123' : 04026-0645
RST4765

124' : 04176-0813
KPP2455

125' : 04147-0620
TDS2797



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.

04093-0756 A 469 (HD 26294)

 
 
04h 09m 20.48s -07° 55' 44.5" P.A. 330.00 sep 0.2 mag 7.85,8.22 Sp A2 dist. 170.65 pc (556.66 l.y.)
 
 
Coord 2000 04093-0756 Discov num A   469 Comp Coord arcsec 2000 04 09 20.48 -07 55 44.5
Date first 1903 Date last 2018 Obs 44
Pa first 344 Pa last 330 P.A. Now (θ) 334.5°
Sep first 0.2 Sep last 0.24 Sep. Now (ρ) 0.239"
Mag pri 7.85 Mag sec 8.22 delta mag (ΔM) 0.37 Spectral class A2 (white)
Pri motion ra -012 Sec motion ra
Pri motion dec -022 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 26294 Constellation Eridanus SAO 130988 HIP 19399
Tycho2 5312-02256-1 Gaia DR2 3195764463490143616 HD 26294 GC 5003
ADS 3032 BD BD-08 798 Distance 170.65 Distance ly 556.66
 
 
ORBITAL ELEMENTS
 
 
Period (P)126.5y Periastron (T)1969.9y Semi-major axis (a)0.274a
Eccentricity (e)0.869 Inclination (i)61.7° Longitude of periastron (ω)95.4°
Node (Ω)61.8° Notesn ReferenceDoc2019a
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 311.4 0.206
2001 312.6 0.208
2002 313.8 0.210
2003 314.9 0.212
2004 316.0 0.214
2005 317.1 0.215
2006 318.2 0.217
2007 319.2 0.219
2008 320.3 0.220
2009 321.3 0.222
2010 322.3 0.223
2011 323.3 0.225
2012 324.3 0.226
2013 325.3 0.227
2014 326.2 0.229
2015 327.2 0.230
2016 328.1 0.231
2017 329.0 0.232
2018 330.0 0.234
2019 330.9 0.235
2020 331.8 0.236
2021 332.7 0.237
2022 333.6 0.238
2023 334.5 0.239
2024 335.3 0.240
2025 336.2 0.241
2026 337.1 0.242
2027 337.9 0.242
2028 338.8 0.243
2029 339.6 0.244
2030 340.5 0.245


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


 
  


wds04093-0756b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04093-0756 A 469 (HD 26294) : NOTES
 
 
discov_num notes refcode
A 469 Only elements P and T in the Starikova (1984) orbit have been amended Sta1984
from the orbit of Baize (1981). Baz1981b
Typographical error in semimajor axis for Brendley & Mason (2007) USN2007b
orbit corrected from 2".435 to 0".2986.
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 8.49 +/- 6.33, 3.80, and 2.09 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Baz1981b orb - Baize, P. 1981A&AS...44..199B
Baz1981b A&AS 44, 199, 1981
Doc2019a orb - Docobo, J.A. & Ling, J.F. 2019IAUDS.197S...1D
Doc2019a Inf. Circ. 197, 1, 2019
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sta1984 orb - Starikova, G.A. 1984ATsir1325....4S
Sta1984 Astron. Tsirk. #1325, 4, 1984
USN2007b orb - Brendley, M. & Mason, B.D. 2007IAUDS.163R...1B
USN2007b Inf. Circ. 163, 1, 2007
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04093-0756 A 469 1996 40 313 0.2 7.85 8.22 A2 NO 040920.48-075544.5
04093-0756 A 469 2008 42 320 0.2 7.85 8.22 A2 NO 040920.48-075544.5
04093-0756 A 469 2014 43 327 0.2 7.85 8.22 A2 NO 040920.48-075544.5
04093-0756 A 469 2018 44 330 0.2 7.85 8.22 A2 NO 040920.48-075544.5

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

 
 
WDS 04093-0756 A 469 (HD 26294) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04093-0756 A 469 (HD 26294) : MEASURES
 
 
No records found.

 
 
WDS 04093-0756 (HD 26294) : VIRTUAL EYEPIECE
 
 

04093-0756 A 469A mag 7.85 Sp A2 04093-0756 A 469B sep 0.2 P.A. 330.20 mag 8.22 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 04093-0756 (HD 26294) : ALADIN DSS IMAGE @ 04h 09m 20.48s -07° 55' 44.5"
 
 
 
 
WDS 04093-0756 A 469 (HD 26294) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04093-0756 A 469 distance=0' 04095-0742 BRT 533 distance=45' 04063-0735 GWP 550 distance=50' 04103-0849 A 470 distance=55' 04073-0846 B 2551 distance=59' 04075-0657 A 468 distance=65' 04062-0842 GWP 549 distance=67' 04119-0850 HJ 2224 distance=67' 04043-0810 RST4768 distance=77' 04126-0901 KPP2264 distance=82' 04127-0650 STF 514 distance=83' 04049-0845 HLD 72 distance=83' 04151-0750 RST4235 distance=86' 04153-0739 STF 518AC (Keid) distance=90' 04153-0739 STF 518AD (Keid) distance=90' 04153-0739 STF 518AE (Keid) distance=90' 04153-0739 STF 518A,BC (Keid) distance=90' 04120-0916 A 471 distance=90' 04153-0739 STF 518BC distance=91' 04153-0739 STF 518BD distance=91' 04153-0739 STF 518BE distance=91' 04075-0628 A 467 distance=93' 04065-0633 KPP 105 distance=94' 04036-0855 RST4767 distance=104' 04133-0630 SLW 168 distance=105' 04125-0620 KPP1591 distance=107' 04138-0921 RST4234 distance=109' 04133-0928 HJ 3626 distance=110' 04133-0931 FOX 6 distance=112' 04016-0738 A 466 distance=118' 04024-0700 STF 489 distance=118' 04026-0645 RST4765 distance=123' 04176-0813 KPP2455 distance=124' 04147-0620 TDS2797 distance=125' 04143-0939 GWP 568AB distance=127' 04143-0939 GWP 569AC distance=127' 04070-1000 HDS 521AB distance=129' 04070-1000 SHY 165AC distance=129' 04140-0946 GWP 567 distance=130' 04050-0600 BFR 4 distance=132' 04077-1007 A 2616AB distance=134' 04077-1007 UC 1119AC distance=134' 04190-0725 STF 527 distance=148' 04094-0527 OSW 35 distance=149' 04148-1004 UC 1138 distance=152' 04180-0700 HJ 23 distance=152' 04039-1007 KPP3553 distance=155' 04144-1015 STF 516AB distance=159' 04144-1015 STF 516AC distance=159' 04150-0538 ZIE 4 distance=162' 03591-0656 LDS3545 distance=165' 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 04093-0756 A 469 330 0.2
Show 04095-0742 BRT 533 145 3.0 45
Show 04063-0735 GWP 550 102 20.7 50
Show 04103-0849 A 470 13 1.0 55
Show 04073-0846 B 2551 327 0.6 59
Show 04075-0657 A 468 207 0.7 65
Show 04062-0842 GWP 549 320 123.6 67
Show 04119-0850 HJ 2224 306 57.1 67
Show 04043-0810 RST4768 276 1.3 77
Show 04126-0901 KPP2264 116 18.9 82
Show 04127-0650 STF 514 75 8.1 83
Show 04049-0845 HLD 72 38 2.2 83
Show 04151-0750 RST4235 132 0.7 86
Show Keid 04153-0739 STF 518 AC 97 77.5 90
Show Keid 04153-0739 STF 518 AD 38 481.4 90
Show Keid 04153-0739 STF 518 AE 24 569.9 90
Show Keid 04153-0739 STF 518 A,BC 102 82.7 90
Show 04120-0916 A 471 223 0.4 90
Show 04153-0739 STF 518 BC 330 8.2 91
Show 04153-0739 STF 518 BD 28 456.3 91
Show 04153-0739 STF 518 BE 16 563.4 91
Show 04075-0628 A 467 227 3.6 93
Show 04065-0633 KPP 105 230 3.6 94
Show 04036-0855 RST4767 275 2.4 104
Show 04133-0630 SLW 168 147 16.0 105
Show 04125-0620 KPP1591 287 12.1 107
Show 04138-0921 RST4234 61 0.8 109
Show 04133-0928 HJ 3626 38 20.5 110
Show 04133-0931 FOX 6 4 2.3 112
Show 04016-0738 A 466 254 3.9 118
Show 04024-0700 STF 489 197 3.0 118
Show 04026-0645 RST4765 284 1.0 123
Show 04176-0813 KPP2455 37 21.7 124
Show 04147-0620 TDS2797 70 0.8 125
Show 04143-0939 GWP 568 AB 277 82.0 127
Show 04143-0939 GWP 569 AC 219 757.8 127
Show 04070-1000 HDS 521 AB 14 0.2 129
Show 04070-1000 SHY 165 AC 124 999.9 129
Show 04140-0946 GWP 567 197 15.5 130
Show 04050-0600 BFR 4 211 17.3 132
Show 04077-1007 A 2616 AB 4 4.4 134
Show 04077-1007 UC 1119 AC 142 85.1 134
Show 04190-0725 STF 527 196 6.3 148
Show 04094-0527 OSW 35 86 89.3 149
Show 04148-1004 UC 1138 114 91.1 152
Show 04180-0700 HJ 23 275 46.2 152
Show 04039-1007 KPP3553 212 1.9 155
Show 04144-1015 STF 516 AB 143 6.4 159
Show 04144-1015 STF 516 AC 157 133.7 159
Show 04150-0538 ZIE 4 93 1.9 162
Show 03591-0656 LDS3545 221 40.4 165

 
 
WDS 04093-0756 : COMPONENTS
 
 
  A
B pa=330.2°
sep=0.24"
 
 
04093-0756 A
 
 
Componente originario normalizzato AB Name HD 26294 Coord arcsec 2000 040920.48-075544.5 Mag 7.85
Spectral class A2 (white) PmRA -12.00 PmDE -22.0 SAO 130988
HIP 19399 Tycho2 5312-02256-1 HD 26294 GC 5003
ADS 3032 BD BD-08 798
Tycho2
Tycho2 5312-02256-1 Pflag RAmdeg 62.33529278 DEmdeg -7.92909356
PmRA -14.1 PmDE -26.7 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.33 EpDEm 1991.03
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 7.462 E BTmag 0.015 VTmag 7.227
E VTmag 0.011 Prox 999 TYC T HIP 19399
CCDM AB RAdeg 62.33532583 DEdeg -7.92903056 EpRA 1990 1.69
EpDE 1990 1.51 E RAdeg 4.3 E DEdeg 4.9 Posflg P
Corr -0.3
SAO
SAO 130988 DelFlag RA1950 PmRA1950 -0.0023
DE1950 PmDE1950 -0.039 Vmag 7.3 SpType A2
Double code Source 70 CatNum 5003 DM BD-08 798
DMcomp BDsup HD 26294 M HD 0
GC 5003 RA1950rad 1.07737771 DE1950rad -0.1406669 PmRA2000 -0.0019
PmDE2000 -0.04
Hipparcos
Catalog H HIP 19399 Proxy H RAhms 04 09 20.48
DEdms -07 55 44.5 Vmag 7.2 VarFlag R Vmag G
RAdeg 62.3353 DEdeg -7.92903 AstroRef * Plx 6.46
CCDM 04093-0756 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 300 Rho 0.181 HD 26294 BD BD-08 798
CD CP Dm number -08 798 VIred 0.24
SpType A2 R SpType Coord arcsec 2000 040920.48-075544.5
Hipparcos 2
HIP 19399 Sn 55 So 3 Nc 2
RArad 1.0879566823 DErad -0.138387656 Plx 5.86 PmRA -13.41
PmDE -25.56 E RArad 0.61 E DErad 0.73 E Plx 1.01
E pmRA 0.93 E pmDE 0.91 Hpmag 7.265 E Hpmag 0.0013
SHp 0.007 VA 0 BV 0.22 E BV 0.015
VI 0.24
CCDM
Ccdm 04093-0756 RComp Comp A Note1
Note2 Discov num DRAs 2.36 DDEs 13.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp A2 PmNote *
PmRA -33 PmDE -39 Dm number -08 798 Cat1 BD
Name2 130988 Cat2 SAO HD 26294 M HD
ADS BDS A 3032 M ADS BDS N IDS IDS 04045S0812A
HIC 19399
 
 
04093-0756 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 040920.47-075544.3 Mag 8.22 Calc delta mag 0.37
Calc coord yes
CCDM
Ccdm 04093-0756 RComp Comp B Note1 *
Note2 Discov num A 469 DRAs DDEs
R dRAs Year 1958 Theta 037 Rho 0.2
Obs 15 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3032 M ADS BDS N IDS IDS 04045S0812B
HIC 19399