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Doubles in session


Current system
02592+2120
STF 333 AB
Eps Ari


Nearby doubles
17' : 02580+2124
J 233

18' : 02589+2137
BU 525

33' : 03009+2139
HU 431

39' : 02563+2124
J 232

44' : 02581+2040
SOZ 8

50' : 02584+2033
CVN 9

51' : 02558+2106
LDS3438

53' : 02582+2030
CVN 8

60' : 02551+2136
DEA 42

62' : 02576+2024
LDS3443

66' : 02548+2058
LIT 8

67' : 02551+2048
OCC 749

68' : 02597+2013
J 234

71' : 03043+2128
OCC 751

73' : 03044+2118
JNN 23

77' : 02595+2004
OCC1054

84' : 02566+2006
CVN 7

87' : 03053+2131
RAO 638

89' : 02561+2003
REP 1AB

93' : 02554+2005
CVN 5

98' : 03013+1947
SLW 144

107' : 02516+2130
TDS2375

107' : 03011+1937
CBL 17

112' : 03069+2052
AG 61

113' : 03066+2038
STF 350

120' : 03035+2304
HDS 389AB



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.

02592+2120 STF 333 AB (Eps Ari)

 
 
02h 59m 12.73s +21° 20' 25.6" P.A. 210.00 sep 1.3 mag 5.17,5.57 Sp A2Vs+A2Vs dist. 101.94 pc (332.53 l.y.)
 
 
Coord 2000 02592+2120 Discov num STF 333 Comp AB Coord arcsec 2000 02 59 12.73 +21 20 25.6
Date first 1827 Date last 2022 Obs 467
Pa first 186 Pa last 210 P.A. Now (θ) 210°
Sep first 0.5 Sep last 1.348 Sep. Now (ρ) 1.348"
Mag pri 5.17 Mag sec 5.57 delta mag (ΔM) 0.4 Spectral class A2Vs+A2Vs (white/white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec -005 Sec motion dec -005
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
02592+2120 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Eps Ari 75673 02 59 13 +21 20 26 STF 333 AB 2022 467 210 1.3 5.17 5.57 0.40 Y <===
Show 75673 02 59 13 +21 20 26 STF 333 AC 2000 5 192 145.6 5.17 12.70 7.53
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Eps Ari Var name NSV1001 Ari Constellation Aries SAO 75673
HIP 13914 Tycho2 1230-01424-1 Gaia DR2 108589696800254464 HD 18519
HR 887 GC 3582 ADS 2257 BD BD+20 484
Bayer Epsilon Arietis Bayer name Eps Ari Flamsteed 48 Arietis Flamsteed name 48 Ari
Distance 101.94 Distance ly 332.53 Bayer greek ε Ari
 
 
ORBITAL ELEMENTS
 
 
Period (P)710.5425y± 265.6559 Periastron (T)2098.303y± 36.8088 Semi-major axis (a)1.6688a± 0.37224
Eccentricity (e)0.43531± 0.18832 Inclination (i)83.89°± 1.265 Longitude of periastron (ω)268.178°± 35.461
Node (Ω)29.955°± 1.89 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 208.7 1.434
2001 208.7 1.430
2002 208.8 1.426
2003 208.9 1.422
2004 208.9 1.417
2005 209.0 1.413
2006 209.1 1.408
2007 209.1 1.403
2008 209.2 1.398
2009 209.3 1.393
2010 209.3 1.388
2011 209.4 1.382
2012 209.5 1.376
2013 209.5 1.370
2014 209.6 1.364
2015 209.7 1.358
2016 209.8 1.351
2017 209.8 1.345
2018 209.9 1.338
2019 210.0 1.331
2020 210.1 1.323
2021 210.1 1.316
2022 210.2 1.308
2023 210.3 1.300
2024 210.4 1.292
2025 210.5 1.283
2026 210.5 1.275
2027 210.6 1.266
2028 210.7 1.257
2029 210.8 1.248
2030 210.9 1.238


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


 
  


wds02592%2B2120c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 02592+2120 STF 333 AB (Eps Ari) : NOTES
 
 
discov_num notes refcode
STF 333 eps Ari. Variable velocity suspected.
Rica (2012) derived a mass sum (using the Hipparcos parallax 9.81 +/- FMR2012g
0.79 mas) of 7.4 +/- 1.8 Msun.
 
 
REFERENCES
 
 
refcode metd author reference
FMR2012g orb - Rica, F.M. 2012JDSO....8..127R
FMR2012g JDSO 8, 127, 2012
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
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
02592+2120 STF 333 AB 2007 439 212 1.4 5.17 5.57 A2Vs A2Vs N D 025912.73+212025.6
02592+2120 STF 333 AB 2008 443 209 1.4 5.17 5.57 A2Vs A2Vs N D 025912.73+212025.6
02592+2120 STF 333 AB 2009 449 210 1.4 5.17 5.57 A2Vs A2Vs N D 025912.73+212025.6
02592+2120 STF 333 AB 2010 450 210 1.4 5.17 5.57 A2Vs A2Vs N D 025912.73+212025.6
02592+2120 STF 333 AB 2012 451 208 1.4 5.17 5.57 A2Vs A2Vs N D 025912.73+212025.6
02592+2120 STF 333 AB 2014 460 209 1.4 5.17 5.57 A2Vs A2Vs NOD 025912.73+212025.6
02592+2120 STF 333 AB 2015 452 209 1.3 5.17 5.57 A2Vs+A2Vs NO 025912.73+212025.6
02592+2120 STF 333 AB 2016 453 211 1.4 5.17 5.57 A2Vs+A2Vs NO 025912.73+212025.6
02592+2120 STF 333 AB 2018 461 210 1.3 5.17 5.57 A2Vs+A2Vs NO 025912.73+212025.6
02592+2120 STF 333 AB 2019 465 211 1.5 5.17 5.57 A2Vs+A2Vs NO 025912.73+212025.6
02592+2120 STF 333 AB 2020 466 210 1.4 5.17 5.57 A2Vs+A2Vs NO 025912.73+212025.6
02592+2120 STF 333 AB 2022 467 210 1.3 5.17 5.57 A2Vs+A2Vs NO 025912.73+212025.6

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

 
 
WDS 02592+2120 STF 333 AB (Eps Ari) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02592+2120 STF 333 AB (Eps Ari) : MEASURES
 
 
No records found.

 
 
WDS 02592+2120 (Eps Ari) : VIRTUAL EYEPIECE
 
 

02592+2120 STF 333A mag 5.17 Sp A2Vs 02592+2120 STF 333B sep 1.3 P.A. 208.30 mag 5.57 Sp A2Vs 02592+2120 STF 333C sep 145.2 P.A. 191.20 mag 12.7 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 02592+2120 (Eps Ari) : ALADIN DSS IMAGE @ 02h 59m 12.73s +21° 20' 25.6"
 
 
 
 
WDS 02592+2120 STF 333 AB (Eps Ari) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02592+2120 STF 333AB distance=0' 02580+2124 J 233 distance=17' 02589+2137 BU 525 distance=18' 03009+2139 HU 431 distance=33' 02563+2124 J 232 distance=39' 02581+2040 SOZ 8 distance=44' 02584+2033 CVN 9 distance=50' 02558+2106 LDS3438 distance=51' 02582+2030 CVN 8 distance=53' 02551+2136 DEA 42 distance=60' 02576+2024 LDS3443 distance=62' 02548+2058 LIT 8 distance=66' 02551+2048 OCC 749 distance=67' 02597+2013 J 234 distance=68' 03043+2128 OCC 751 distance=71' 03044+2118 JNN 23 distance=73' 02595+2004 OCC1054 distance=77' 02566+2006 CVN 7 distance=84' 03053+2131 RAO 638 distance=87' 02561+2003 REP 1AB distance=89' 02561+2003 HER 6AC distance=89' 02561+2003 CVN 6Ca,Cb distance=89' 02554+2005 CVN 5 distance=93' 03013+1947 SLW 144 distance=98' 02516+2130 TDS2375 distance=107' 03011+1937 CBL 17 distance=107' 03069+2052 AG 61 distance=112' 03066+2038 STF 350 distance=113' 03035+2304 MET 20CD distance=119' 03035+2304 HDS 389AB distance=120' 03035+2304 MET 20AC distance=120' 03035+2304 MET 20AD distance=120' 02511+2043 KPP1851 distance=120' 03080+2124 TDS2454 distance=124' 03020+1922 GRV 157 distance=125' 02584+1914 YR 9 distance=128' 02585+2328 COU 679 distance=128' 02574+1913 OCC 879 distance=130' 03022+2326 COU 681 distance=133' 02596+2332 POU 233 distance=133' 03044+2314 GRV 158 distance=136' 02553+1915 CVN 4AB distance=138' 03076+2234 OCC 812 distance=139' 02558+1909 A 2342 distance=140' 02549+1913 GWP 394 distance=142' 03093+2046 HJL1021AB distance=146' 03093+2046 OCC 292Aa,Ab distance=146' 02517+2302 PUI 1AB distance=147' 02517+2302 PUI 1AC distance=147' 02517+2302 PUI 1AD distance=147' 03095+2103 LDS3458 distance=147' 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 02592+2120 STF 333 AB 210 1.3
Show 02592+2120 STF 333 AC 192 145.6
Show 02580+2124 J 233 234 4.8 17
Show 02589+2137 BU 525 275 0.5 18
Show 03009+2139 HU 431 20 1.0 33
Show 02563+2124 J 232 131 4.4 39
Show 02581+2040 SOZ 8 112 14.7 44
Show 02584+2033 CVN 9 61 0.4 50
Show 02558+2106 LDS3438 42 11.9 51
Show 02582+2030 CVN 8 344 1.1 53
Show 02551+2136 DEA 42 37 49.4 60
Show 02576+2024 LDS3443 103 373.4 62
Show 02548+2058 LIT 8 108 8.9 66
Show 02551+2048 OCC 749 -1 0.1 67
Show 02597+2013 J 234 20 5.4 68
Show 03043+2128 OCC 751 -1 0.1 71
Show 03044+2118 JNN 23 300 0.4 73
Show 02595+2004 OCC1054 -1 0.0 77
Show 02566+2006 CVN 7 223 9.2 84
Show 03053+2131 RAO 638 304 0.7 87
Show 02561+2003 REP 1 AB 57 4.0 89
Show 02561+2003 HER 6 AC 203 15.7 89
Show 02561+2003 CVN 6 Ca,Cb 51 0.4 89
Show 02554+2005 CVN 5 104 0.5 93
Show 03013+1947 SLW 144 99 12.3 98
Show 02516+2130 TDS2375 315 0.6 107
Show 03011+1937 CBL 17 194 30.9 107
Show 03069+2052 AG 61 23 0.5 112
Show 03066+2038 STF 350 119 16.4 113
Show 03035+2304 MET 20 CD 100 0.4 119
Show 03035+2304 HDS 389 AB 15 0.1 120
Show 03035+2304 MET 20 AC 209 4.5 120
Show 03035+2304 MET 20 AD 207 4.3 120
Show 02511+2043 KPP1851 268 14.3 120
Show 03080+2124 TDS2454 212 1.0 124
Show 03020+1922 GRV 157 179 66.8 125
Show 02584+1914 YR 9 239 0.6 128
Show 02585+2328 COU 679 223 1.6 128
Show 02574+1913 OCC 879 -1 0.1 130
Show 03022+2326 COU 681 115 0.7 133
Show 02596+2332 POU 233 354 1.9 133
Show 03044+2314 GRV 158 217 14.0 136
Show 02553+1915 CVN 4 AB 161 1.0 138
Show 03076+2234 OCC 812 -1 0.1 139
Show 02558+1909 A 2342 22 0.4 140
Show 02549+1913 GWP 394 160 9.7 142
Show 03093+2046 HJL1021 AB 239 122.3 146
Show 03093+2046 OCC 292 Aa,Ab -1 0.1 146
Show 02517+2302 PUI 1 AB 176 97.4 147
Show 02517+2302 PUI 1 AC 111 100.3 147
Show 02517+2302 PUI 1 AD 301 161.2 147

 
 
WDS 02592+2120 : COMPONENTS
 
 
  A B
B pa=208.3°
sep=1.33"
 
C pa=191.2°
sep=145.17"
pa=191.0°
sep=143.91"
 
 
02592+2120 A
 
 
Name Eps Ari Coord arcsec 2000 025912.73+212025.6 Mag 5.17 Spectral class A2Vs (white)
PmRA -9.00 PmDE -5.0 SAO 75673 HIP 13914
Tycho2 1230-01424-1 HD 18519 HR 887 GC 3582
BD BD+20 484 Bayer Epsilon Arietis Bayer name Eps Ari Flamsteed 48 Arietis
Flamsteed name 48 Ari
Tycho2
Tycho2 1230-01424-1 Pflag P RAmdeg 44.80296185 DEmdeg 21.34030518
PmRA -9.4 PmDE -5.0 E RAmdeg 3 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.71 EpDEm 1991.48
Num 6 Q RAmdeg 1.7 Q DEmdeg 2.5 Q pmRA 1.6
Q pmDE 2.5 BTmag 5.227 E BTmag 0.014 VTmag 5.169
E VTmag 0.009 Prox 15 TYC T HIP 13914
CCDM A RAdeg 44.80305750 DEdeg 21.34044167 EpRA 1990 1.78
EpDE 1990 1.61 E RAdeg 3.4 E DEdeg 3.8 Posflg D
Corr -0.4
SAO
SAO 75673 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.002 Vmag 4.6 SpType A2
Double code Source 70 CatNum 3582 DM BD+20 484
DMcomp BDsup HD 18519 M HD 9
GC 3582 RA1950rad 0.76945931 DE1950rad 0.36899124 PmRA2000 -0.0012
PmDE2000 -0.005
Hipparcos
Catalog H HIP 13914 Proxy H RAhms 02 59 12.73
DEdms +21 20 25.6 Vmag 4.63 VarFlag R Vmag G
RAdeg 44.8031 DEdeg 21.3404 AstroRef A Plx 11.15
CCDM 02592+2120 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 208 Rho 1.453 HD 18519 BD BD+20 484
CD CP Dm number +20 484 VIred 0.05
SpType A2Vs R SpType Coord arcsec 2000 025912.73+212025.6
Hipparcos 2
HIP 13914 Sn 15 So 3 Nc 2
RArad 0.78196088 DErad 0.3724610305 Plx 9.81 PmRA -13.74
PmDE -5.12 E RArad 0.73 E DErad 0.41 E Plx 0.79
E pmRA 0.92 E pmDE 0.64 Hpmag 4.6513 E Hpmag 0.0005
SHp 0.004 VA 0 BV 0.048 E BV 0.005
VI 0.05
CCDM
Ccdm 02592+2120 RComp Comp A Note1
Note2 Discov num DRAs 0.67 DDEs 25.4
R dRAs 65 Year Theta Rho
Obs 3 Vmag 5.2 Sp A2 PmNote *
PmRA -13 PmDE -3 Dm number +20 484 Cat1 BD
Name2 +21 274 Cat2 AGK2/3 HD 18520 M HD
ADS BDS A 2257 M ADS BDS N IDS IDS 02535N2056A
HIC 13914
 
 
02592+2120 B
 
 
Coord arcsec 2000 025912.69+212024.4 Mag 5.57 Spectral class A2Vs (white) PmRA -9.00
PmDE -5.0 Tycho2 1230-01424-2 HD 18520 HR 888
Flamsteed 48 Arietis Flamsteed name 48 Ari Calc delta mag 0.4 Calc coord yes
Tycho2
Tycho2 1230-01424-2 Pflag P RAmdeg 44.80296185 DEmdeg 21.34030518
PmRA -9.4 PmDE -5.0 E RAmdeg 3 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.71 EpDEm 1991.48
Num 6 Q RAmdeg 1.7 Q DEmdeg 2.5 Q pmRA 1.6
Q pmDE 2.5 BTmag 5.617 E BTmag 0.014 VTmag 5.566
E VTmag 0.009 Prox 15 TYC T HIP 13914
CCDM B RAdeg 44.80284917 DEdeg 21.34008417 EpRA 1990 1.78
EpDE 1990 1.61 E RAdeg 3.5 E DEdeg 3.9 Posflg D
Corr -0.4
CCDM
Ccdm 02592+2120 RComp Comp B Note1
Note2 Discov num STF 333 DRAs DDEs
R dRAs Year 1830 Theta Rho
Obs 99 Vmag 5.5 Sp A2 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 18519 M HD
ADS BDS A 2257 M ADS BDS N IDS IDS 02535N2056B
HIC 13914
 
 
02592+2120 C
 
 
Coord arcsec 2000 025910.71+211803.2 Mag 12.7 PmRA -15.00 PmDE 0.0
Calc delta mag 7.53 Calc coord yes
CCDM
Ccdm 02592+2120 RComp Comp C Note1
Note2 Discov num STF 333 DRAs -1.45 DDEs -116.3
R dRAs 65 Year 1922 Theta 191 Rho 146.3
Obs 2 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2257 M ADS BDS N IDS IDS 02535N2056C
HIC