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Doubles in session


Current system
04153-0739
STF 518 BE


Nearby doubles
12' : 04151-0750
RST4235

48' : 04176-0813
KPP2455

57' : 04190-0725
STF 527

64' : 04127-0650
STF 514

65' : 04180-0700
HJ 23

77' : 04133-0630
SLW 168

81' : 04147-0620
TDS2797

86' : 04197-0644
RST4236

88' : 04119-0850
HJ 2224

90' : 04125-0620
KPP1591

91' : 04093-0756
A 469

92' : 04126-0901
KPP2264

103' : 04103-0849
A 470

105' : 04138-0921
RST4234

109' : 04120-0916
A 471

110' : 04202-0902
SKF 423

111' : 04211-0851
A 472

113' : 04133-0928
HJ 3626

117' : 04133-0931
FOX 6

119' : 04233-0742
HO 331

121' : 04143-0939
GWP 568AB

122' : 04150-0538
ZIE 4

124' : 04220-0626
J 1459

124' : 04233-0700
TDS2840

125' : 04075-0657
A 468

128' : 04211-0915
KPP1990



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.

04153-0739 STF 518 BE

 
 
04h 15m 21.79s -07° 39' 29.1" P.A. 16.00 sep 563.4 mag 9.53,12.99 Sp DA2.9
 
 
Coord 2000 04153-0739 Discov num STF 518 Comp BE Coord arcsec 2000 04 15 21.79 -07 39 29.1
Date first 1922 Date last 2014 Obs 4
Pa first 356 Pa last 15.9 P.A. Now (θ) 15.9°
Sep first 279.5 Sep last 563.419 Sep. Now (ρ) 563.419"
Mag pri 9.53 Mag sec 12.99 delta mag (ΔM) 3.46 Spectral class DA2.9 (white dwarf)
Pri motion ra -223 Sec motion ra +001
Pri motion dec -338 Sec motion dec -000
Notes N L P (See Notes, Linear solution, 100-year proper motion)
rPM=1.001
This double is not physical.
 
 
04153-0739 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Keid 131063 04 15 16 -07 39 10 STF 518 A,BC 2019 107 102 82.7 4.43 9.31 4.88
Show 131063 04 15 16 -07 39 10 STF 518 AC 2019 8 97 77.5 4.43 11.17 6.74
Show 131063 04 15 16 -07 39 10 STF 518 AD 1998 17 38 481.4 4.43 12.62 8.19
Show 131063 04 15 16 -07 39 10 STF 518 AE 1998 11 24 569.9 4.43 12.99 8.56
Show 04 15 22 -07 39 29 STF 518 BC 2019 184 330 8.2 9.53 11.17 1.64 Y
Show 04 15 22 -07 39 29 STF 518 BD 2014 4 28 456.3 9.53 12.62 3.09
Show 04 15 22 -07 39 29 STF 518 BE 2014 4 16 563.4 9.53 12.99 3.46 <===
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus
 
 
WDS 04153-0739 STF 518 BE : NOTES
 
 
discov_num notes refcode
STF 518 A: omi 2 Eri = 40 Eri = Keid
LDS 114 = STFB 1. Proper motion of A -2224 -3423.
C is a flare star, DY Eri, and a strong X-ray source.
AE: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
BC: NLTT 12868/12869 Chm2004
BC at 83" is physical, and is a Delta Scuti star showing coronal X-ray
emission.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
HIP 19849. See Allen et al. (2000) for information on metallicity, AlC2000
age, galactic orbital parameters, etc.
BC: Additional notes may be found in Worley (1956). Wor1956b
B: M = 0.575 +/- 0.018 \msun, C: M = 0.2041 +/- 0.0064. Msn2017d
P = 230.09 +/- 0.68 y.
VLTI uniform disk diameter of A: 1.405 +/- 0.038 mas, LTI2009
VLTI limb-darkened disk diameter of A: 1.437 +/- 0.039 mas,
R = 0.770 +/- 0.021 \rsun, Teff = 5269 +/- 35 K,
M = 0.877 +/- 0.044 \msun.
CHARA Array Limb-darkened diameter of A : CIA2012f
R = 0.8061 +/- 0.0036 \rsun, L = 0.40782 +/-0.00319 \lsun,
Teff = 5143 +/- 14 K, M = 0.816 \msun.
B: Teff = 17,200 +/- 110 K, log g = 7.957 +/- 0.020, R = 0.01308 +/- BdH2017b
0.00020 \rsun, M = 0.565 +/- 0.031 \msun, l = 0.01349 +/- 0.00054
\lsun. Inferred cooling age 122 Myr. Assuming a pre-WD progenitor of
1.8 \msun with a lifetime of 1.7 Gyr gives a total system age of ~1.8
Gyr. It has a thin outer hydrogen layer.
AD, AE: Rectilinear solutions by Friedman et al. (2011). USN2011a
BD, BE: Rectilinear solutions by Mason & Hartkopf (2016). Msn2016a
 
 
REFERENCES
 
 
refcode metd author reference
AlC2000 Po - Allen, C., Poveda, A., & Herrera, M 2000A&A...356..529A
AlC2000 A&A 356, 529, 2000
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
BdH2017b not - Bond, H.E., Bergeron, P. & Bedard, A. 2017ApJ...848...16B
BdH2017b ApJ 848, 16, 2017
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
CIA2012f not j Boyajian, T.S., von Braun, K., van Belle, G., McAlister, H.A., ten Brummelaar, 2012ApJ...757..112B
CIA2012f T.A., Kane, S.R., Muirhead, P.S., Jones, J., White, R., Schaefer, G., Ciardi, D., .
CIA2012f Henry, T., Lopez-Morales, M., Ridgway, S., Gies, D., Jao, W.-C., Rojas-Ayala, B., .
CIA2012f Parks, J.R., Sturmann, L., Sturmann, J., Turner, N.H., Farrington, C., Goldfinger, .
CIA2012f P.J. & Berger, D.H.
CIA2012f ApJ 757, 112, 2012 .
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
LTI2009 not j Demory, B.-O., Segransan, D., Forveille, T., Queloz, D., Beuzit, J.-L., Delfosse, 2009A&A...505..205D
LTI2009 X., Di Folco, E., Kervella, P., Le Bouquin, J.-B., Perrier, C., Benisty, M., .
LTI2009 Duvert, G., Hofmann, K.-H., Lopez, B. & Petrov, R. .
LTI2009 A&A 505, 205, 2009 .
Msn2016a lin - Mason, B.D. & Hartkopf, W.I. 2016IAUDS.189....1M
Msn2016a Inf. Circ. 189, 1, 2016
Msn2017d orb j Mason, B.D., Hartkopf, W.I. & Miles, K.N. 2017AJ....154..200M
Msn2017d +not AJ 154, 200, 2017
Msn2017d +Cu
USN2011a lin - Friedman, E.A., Mason, B.D., & Hartkopf, W.I. 2011IAUDS.175....1F
USN2011a Inf. Circ. 175, 1, 2011
Wor1956b Ma - Worley, C.E. 1956AJ.....61..162W
Wor1956b AJ 61, 162, 1956
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04153-0739 STF 518 BE 1922 1 356 279.5 10.02 12.50 A N P 041521.50-073922.3
04153-0739 STF 518 BE 1998 2 16 559.5 10.02 12.50 A N DP 041521.97-073925.5
04153-0739 STF 518 BE 1999 3 16 563.7 10.02 12.99 DA NU P 041521.79-073929.1
04153-0739 STF 518 BE 2014 4 16 563.4 9.53 12.99 DA2.9 NL P 041521.79-073929.1

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

 
 
WDS 04153-0739 STF 518 BE : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04153-0739 STF 518 BE : MEASURES
 
 
No records found.

 
 
WDS 04153-0739 : VIRTUAL EYEPIECE
 
 

04153-0739 STF 518A mag 4.43 Sp K0.5V 04153-0739 STF 518B sep 83.5 P.A. 103.00 mag 9.53 Sp DA2.9 04153-0739 STF 518C sep 76.8 P.A. 97.50 mag 11.17 Sp M5V 04153-0739 STF 518D sep 479.8 P.A. 37.70 mag 12.62 04153-0739 STF 518E sep 569.1 P.A. 24.10 mag 12.99 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 04153-0739 : ALADIN DSS IMAGE @ 04h 15m 21.79s -07° 39' 29.1"
 
 
 
 
WDS 04153-0739 STF 518 BE : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04153-0739 STF 518BE distance=0' 04153-0739 STF 518AC (Keid) distance=2' 04153-0739 STF 518AD (Keid) distance=2' 04153-0739 STF 518AE (Keid) distance=2' 04153-0739 STF 518A,BC (Keid) distance=2' 04151-0750 RST4235 distance=12' 04176-0813 KPP2455 distance=48' 04190-0725 STF 527 distance=57' 04127-0650 STF 514 distance=64' 04180-0700 HJ 23 distance=65' 04133-0630 SLW 168 distance=77' 04147-0620 TDS2797 distance=81' 04197-0644 RST4236 distance=86' 04119-0850 HJ 2224 distance=88' 04125-0620 KPP1591 distance=90' 04093-0756 A 469 distance=91' 04126-0901 KPP2264 distance=92' 04103-0849 A 470 distance=103' 04138-0921 RST4234 distance=105' 04120-0916 A 471 distance=109' 04202-0902 SKF 423 distance=110' 04211-0851 A 472 distance=111' 04133-0928 HJ 3626 distance=113' 04133-0931 FOX 6 distance=117' 04233-0742 HO 331 distance=119' 04143-0939 GWP 568AB distance=121' 04143-0939 GWP 569AC distance=121' 04150-0538 ZIE 4 distance=122' 04220-0626 J 1459 distance=124' 04233-0700 TDS2840 distance=124' 04075-0657 A 468 distance=125' 04211-0915 KPP1990 distance=128' 04140-0946 GWP 567 distance=128' 04095-0742 BRT 533 distance=133' 04142-0528 TVB 65 distance=133' 04178-0948 GWP 576 distance=134' 04063-0735 GWP 550 distance=135' 04234-0634 J 708 distance=137' 04073-0846 B 2551 distance=138' 04075-0628 A 467 distance=138' 04212-0933 RST4237 distance=143' 04148-1004 UC 1138 distance=145' 04166-1005 BU 548 distance=147' 04221-0551 A 473 distance=148' 04065-0633 KPP 105 distance=149' 04062-0842 GWP 549 distance=151' 04138-0509 BWL 14Aa,Ab distance=153' 04138-0509 BWL 14AB distance=153' 04245-0632 GWP 581 distance=153' 04247-0845 STF 544AB distance=154' 04247-0845 FOX 138AC distance=154' 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 04153-0739 STF 518 BC 330 8.2
Show 04153-0739 STF 518 BD 28 456.3
Show 04153-0739 STF 518 BE 16 563.4
Show Keid 04153-0739 STF 518 AC 97 77.5 2
Show Keid 04153-0739 STF 518 AD 38 481.4 2
Show Keid 04153-0739 STF 518 AE 24 569.9 2
Show Keid 04153-0739 STF 518 A,BC 102 82.7 2
Show 04151-0750 RST4235 132 0.7 12
Show 04176-0813 KPP2455 37 21.7 48
Show 04190-0725 STF 527 196 6.3 57
Show 04127-0650 STF 514 75 8.1 64
Show 04180-0700 HJ 23 275 46.2 65
Show 04133-0630 SLW 168 147 16.0 77
Show 04147-0620 TDS2797 70 0.8 81
Show 04197-0644 RST4236 92 1.3 86
Show 04119-0850 HJ 2224 306 57.1 88
Show 04125-0620 KPP1591 287 12.1 90
Show 04093-0756 A 469 330 0.2 91
Show 04126-0901 KPP2264 116 18.9 92
Show 04103-0849 A 470 13 1.0 103
Show 04138-0921 RST4234 61 0.8 105
Show 04120-0916 A 471 223 0.4 109
Show 04202-0902 SKF 423 300 18.2 110
Show 04211-0851 A 472 261 3.2 111
Show 04133-0928 HJ 3626 38 20.5 113
Show 04133-0931 FOX 6 4 2.3 117
Show 04233-0742 HO 331 350 15.8 119
Show 04143-0939 GWP 568 AB 277 82.0 121
Show 04143-0939 GWP 569 AC 219 757.8 121
Show 04150-0538 ZIE 4 93 1.9 122
Show 04220-0626 J 1459 240 3.0 124
Show 04233-0700 TDS2840 196 0.7 124
Show 04075-0657 A 468 207 0.7 125
Show 04211-0915 KPP1990 171 15.7 128
Show 04140-0946 GWP 567 197 15.5 128
Show 04095-0742 BRT 533 145 3.0 133
Show 04142-0528 TVB 65 356 11.3 133
Show 04178-0948 GWP 576 2 46.5 134
Show 04063-0735 GWP 550 102 20.7 135
Show 04234-0634 J 708 283 2.6 137
Show 04073-0846 B 2551 327 0.6 138
Show 04075-0628 A 467 227 3.6 138
Show 04212-0933 RST4237 332 1.6 143
Show 04148-1004 UC 1138 114 91.1 145
Show 04166-1005 BU 548 345 6.2 147
Show 04221-0551 A 473 201 2.7 148
Show 04065-0633 KPP 105 230 3.6 149
Show 04062-0842 GWP 549 320 123.6 151
Show 04138-0509 BWL 14 Aa,Ab 277 0.1 153
Show 04138-0509 BWL 14 AB 108 3.2 153
Show 04245-0632 GWP 581 47 95.1 153

 
 
WDS 04153-0739 : COMPONENTS
 
 
  A B C D
B pa=103.0°
sep=83.46"
 
C pa=97.5°
sep=76.83"
pa=329.8°
sep=10.20"
 
D pa=37.7°
sep=479.79"
pa=28.0°
sep=451.41"
pa=29.1°
sep=446.12"
 
E pa=24.1°
sep=569.07"
pa=15.7°
sep=559.04"
pa=16.4°
sep=551.99"
pa=336.5°
sep=152.18"
 
 
04153-0739 A
 
 
Common name Keid Var name omi Eri Coord arcsec 2000 041516.32-073910.3 Mag 4.43
Spectral class K0.5V (yellow-orange) PmRA -224.00 PmDE -342.0 SAO 131063
HIP 19849 Tycho2 5312-02325-1 HD 26965 HR 1325
GC 5138 BD BD-07 780 Bayer Omicron 2 Eridani Bayer name Omi2 Eri
Flamsteed 40 Eridani Flamsteed name 40 Eri
Tycho2
Tycho2 5312-02325-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 5.440 E BTmag 0.014 VTmag 4.506
E VTmag 0.009 Prox 999 TYC HIP 19849
CCDM RAdeg 63.82323167 DEdeg -7.64486750 EpRA 1990 1.67
EpDE 1990 1.58 E RAdeg 3.3 E DEdeg 3.5 Posflg
Corr -0.3
SAO
SAO 131063 DelFlag RA1950 PmRA1950 -0.1501
DE1950 PmDE1950 -3.42 Vmag 4.5 SpType G5
Double code Source 70 CatNum 5138 DM BD-07 780
DMcomp BDsup HD 26965 M HD 0
GC 5138 RA1950rad 1.103787 DE1950rad -0.1349037 PmRA2000 -0.1507
PmDE2000 -3.411
Hipparcos
Catalog H HIP 19849 Proxy RAhms 04 15 17.64
DEdms -07 38 40.4 Vmag 4.43 VarFlag 1 R Vmag G
RAdeg 63.8235 DEdeg -7.64456 AstroRef Plx 198.24
CCDM 04153-0739 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 26965 BD BD-07 780
CD CP Dm number -07 780 VIred 0.89
SpType K1V R SpType Coord arcsec 2000 041517.64-073840.4
Hipparcos 2
HIP 19849 Sn 5 So 0 Nc 1
RArad 1.1139300847 DErad -0.1334227169 Plx 200.62 PmRA -2240.12
PmDE -3420.27 E RArad 0.17 E DErad 0.14 E Plx 0.23
E pmRA 0.23 E pmDE 0.2 Hpmag 4.5615 E Hpmag 0.0009
SHp 0.006 VA 2 BV 0.82 E BV 0
VI 0.89
CCDM
Ccdm 04153-0739 RComp Comp A Note1
Note2 Discov num DRAs -1.71 DDEs -10.4
R dRAs 10 Year Theta Rho
Obs 5 Vmag 4.5 Sp G5 PmNote *
PmRA -2245 PmDE -3419 Dm number -07 780 Cat1 BD
Name2 131063 Cat2 SAO HD 26965 M HD
ADS BDS A 3093 M ADS BDS N IDS IDS 04108S0749A
HIC 19849
 
 
04153-0739 B
 
 
Coord arcsec 2000 041521.79-073929.1 Mag 9.53 Spectral class DA2.9 (white dwarf) PmRA -223.00
PmDE -338.0 Calc delta mag 5.1
CCDM
Ccdm 04153-0739 RComp Comp B Note1
Note2 Discov num STF 518 DRAs 4.01 DDEs -34.7
R dRAs 10 Year 1940 Theta 105 Rho 82.8
Obs 31 Vmag 9.7 Sp A PmNote *
PmRA -2182 PmDE -3440 Dm number -07 781 Cat1 BD
Name2 131065 Cat2 SAO HD 26976 M HD
ADS BDS A 3093 M ADS BDS N IDS IDS 04108S0749B
HIC
 
 
04153-0739 C
 
 
Var name DY Eri Coord arcsec 2000 041521.44-073920.3 Mag 11.17 Spectral class M5V (red)
PmRA -225.00 PmDE -341.0 Bayer Omicron Eridani Bayer name Omi Eri
Calc delta mag 6.74 Calc coord yes
CCDM
Ccdm 04153-0739 RComp B Comp C Note1 *
Note2 Discov num STF 518 DRAs DDEs
R dRAs Year 1959 Theta Rho
Obs 99 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3093 M ADS BDS N IDS IDS 04108S0749C
HIC
 
 
04153-0739 D
 
 
Coord arcsec 2000 041536.03-073250.5 Mag 12.62 PmRA 3.00 PmDE -3.0
Tycho2 5313-00183-1 HD 26976 Flamsteed 40 Eridani Flamsteed name 40 Eri
Calc delta mag 8.19 Calc coord yes
Tycho2
Tycho2 5313-00183-1 Pflag RAmdeg 63.90173736 DEmdeg -7.54647480
PmRA 33.8 PmDE -41.6 E RAmdeg 131 E DEmdeg 159
E pmRA 4.0 E pmDE 4.3 EpRAm 1979.53 EpDEm 1974.55
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 13.613 E BTmag 0.457 VTmag 12.167
E VTmag 0.222 Prox 999 TYC HIP
CCDM RAdeg 63.90165861 DEdeg -7.54637722 EpRA 1990 1.71
EpDE 1990 1.56 E RAdeg 139.5 E DEdeg 175.2 Posflg
Corr 0.0
CCDM
Ccdm 04153-0739 RComp Comp D Note1
Note2 Discov num STF 518 DRAs 18.32 DDEs 373.0
R dRAs 65 Year 1907 Theta 051 Rho 114.2
Obs 12 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3093 M ADS BDS N IDS IDS 04108S0749P
HIC
 
 
04153-0739 E
 
 
Coord arcsec 2000 041531.96-073030.9 Mag 12.99 PmRA 1.00 PmDE 0.0
Calc delta mag 8.56 Calc coord yes
CCDM
Ccdm 04153-0739 RComp Comp E Note1
Note2 Discov num STF 518 DRAs 14.24 DDEs 512.1
R dRAs 65 Year 1907 Theta 008 Rho 211.0
Obs 5 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3093 M ADS BDS N IDS IDS 04108S0749Q
HIC