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Doubles in session


Current system
03184-2231
SEE 23
15 Eri


Nearby doubles
35' : 03168-2204
I 465

36' : 03172-2302
H N 18

48' : 03195-2145
JC 1AB

66' : 03227-2258
UC 996

73' : 03234-2253
ARA1975

78' : 03128-2244
ARA1973

84' : 03231-2323
KPP2451

97' : 03189-2054
ARA1266

98' : 03140-2115
BRT 299

102' : 03125-2130
LDS3465

104' : 03165-2411
RST2299

106' : 03251-2321
UC 1002

107' : 03247-2131
HJ 3574

109' : 03109-2200
B 683

111' : 03172-2041
SKF 422

114' : 03103-2244
STN 6

118' : 03106-2146
DON1061

119' : 03105-2145
SKF2170

123' : 03152-2037
DON 49

125' : 03121-2400
TDS2477

139' : 03269-2344
RSS 4

140' : 03217-2019
HJ 3570

144' : 03163-2010
ARA 834

146' : 03203-2007
LDS3480

156' : 03278-2352
LDS3496

156' : 03168-1956
HJ 3561



Selections
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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.

03184-2231 SEE 23 (15 Eri)

 
 
03h 18m 22.10s -22° 30' 40.1" P.A. 127.00 sep 0.1 mag 6.57,5.32 Sp G8IV dist. 78.31 pc (255.45 l.y.)
 
 
Coord 2000 03184-2231 Discov num SEE  23 Comp Coord arcsec 2000 03 18 22.10 -22 30 40.1
Date first 1897 Date last 2021 Obs 64
Pa first 110 Pa last 126.6 P.A. Now (θ) 306.7°
Sep first 0.3 Sep last 0.149 Sep. Now (ρ) 0.205"
Mag pri 6.57 Mag sec 5.32 delta mag (ΔM) 1.25 Spectral class G8IV (yellow)
Pri motion ra +013 Sec motion ra
Pri motion dec +019 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 15 Eri Constellation Eridanus SAO 168452 HIP 15382
Tycho2 6439-01171-1 Gaia DR2 5099265828450228864 HD 20610 HR 994
GC 3955 ADS 2463 CD CD-22 1146 CP CP-22 349
Flamsteed 15 Eridani Flamsteed name 15 Eri Distance 78.31 Distance ly 255.45
 
 
ORBITAL ELEMENTS
 
 
Period (P)118.16y Periastron (T)1934.24y Semi-major axis (a)0.34a
Eccentricity (e)0.03 Inclination (i)66.6° Longitude of periastron (ω)333.5°
Node (Ω)91.6° Notesn ReferenceMsn2017a
Equinox2000 Last observation2016 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 268.7 0.347
2001 269.8 0.349
2002 271.0 0.349
2003 272.1 0.349
2004 273.3 0.348
2005 274.4 0.346
2006 275.6 0.344
2007 276.8 0.340
2008 278.0 0.336
2009 279.3 0.332
2010 280.6 0.326
2011 281.9 0.320
2012 283.3 0.313
2013 284.8 0.305
2014 286.3 0.297
2015 288.0 0.289
2016 289.7 0.279
2017 291.5 0.270
2018 293.5 0.260
2019 295.7 0.249
2020 298.1 0.238
2021 300.6 0.227
2022 303.5 0.216
2023 306.7 0.205
2024 310.2 0.194
2025 314.1 0.183
2026 318.6 0.172
2027 323.6 0.163
2028 329.1 0.154
2029 335.3 0.146
2030 342.2 0.140


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


 
  


wds03184-2231b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 03184-2231 SEE 23 (15 Eri) : NOTES
 
 
discov_num notes refcode
SEE 23 15 Eri. CD-22@1146. Motion direct.
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.33 +/- 0.80, 3.35, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Msn2017a orb - Miles, K.N. & Mason, B.D. 2017IAUDS.191....1M
Msn2017a Inf. Circ. 191, 1, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 SEE See, T.J.J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03184-2231 SEE 23 2007 57 98 0.3 6.57 5.32 G8IV NOD 031822.10-223040.1
03184-2231 SEE 23 2008 59 99 0.3 6.57 5.32 G8IV NOD 031822.10-223040.1
03184-2231 SEE 23 2010 60 101 0.3 6.57 5.32 G8IV NOD 031822.10-223040.1
03184-2231 SEE 23 2011 62 102 0.3 6.57 5.32 G8IV NOD 031822.10-223040.1
03184-2231 SEE 23 2016 63 292 0.3 6.57 5.32 G8IV NO 031822.10-223040.1
03184-2231 SEE 23 2018 63 295 0.2 6.57 5.32 G8IV NO 031822.10-223040.1
03184-2231 SEE 23 2021 64 127 0.1 6.57 5.32 G8IV NO 031822.10-223040.1

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

 
 
WDS 03184-2231 SEE 23 (15 Eri) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03184-2231 SEE 23 (15 Eri) : MEASURES
 
 
No records found.

 
 
WDS 03184-2231 (15 Eri) : VIRTUAL EYEPIECE
 
 

03184-2231 SEE 23A mag 6.57 Sp G8IV 03184-2231 SEE 23B sep 0.1 P.A. 128.80 mag 5.32 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 03184-2231 (15 Eri) : ALADIN DSS IMAGE @ 03h 18m 22.10s -22° 30' 40.1"
 
 
 
 
WDS 03184-2231 SEE 23 (15 Eri) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03184-2231 SEE 23 distance=1' 03168-2204 I 465 distance=35' 03172-2302 H N 18 distance=36' 03195-2145 JC 1AB distance=48' 03195-2145 JC 1AC distance=48' 03195-2145 JC 1AD distance=48' 03195-2145 JC 1AE distance=48' 03195-2145 JC 1AF distance=48' 03195-2145 JC 1Da,Db distance=49' 03227-2258 UC 996 distance=66' 03234-2253 ARA1975 distance=73' 03128-2244 ARA1973 distance=78' 03231-2323 KPP2451 distance=84' 03189-2054 ARA1266 distance=97' 03140-2115 BRT 299 distance=98' 03125-2130 LDS3465 distance=102' 03165-2411 RST2299 distance=104' 03251-2321 UC 1002 distance=106' 03247-2131 HJ 3574 distance=107' 03109-2200 B 683 distance=109' 03172-2041 SKF 422 distance=111' 03103-2244 STN 6 distance=114' 03106-2146 DON1061 distance=118' 03105-2145 SKF2170 distance=119' 03152-2037 DON 49 distance=123' 03121-2400 TDS2477 distance=125' 03269-2344 RSS 4 distance=139' 03217-2019 HJ 3570 distance=140' 03163-2010 ARA 834 distance=144' 03203-2007 LDS3480 distance=146' 03278-2352 LDS3496 distance=156' 03168-1956 HJ 3561 distance=156' 03270-2047 CLZ 13 distance=159' 03225-2502 RST2305 distance=162' 03158-2510 B 46 distance=163' 03084-2410 LDS 87 distance=170' 03304-2202 DON 51 distance=170' 03282-2413 TDS2555 distance=171' 03217-1943 RST2304 distance=174' 03187-2526 B 47 distance=176' 03105-2012 SKF2169 distance=178' 03253-2501 TDS2543 distance=178' 03142-1942 TDS2490 distance=179' 03312-2253 LDS3499 distance=179' 03294-2406 GAA 18 distance=180' 03107-2007 CBL 120 distance=180' 03056-2328 RST2294AB distance=186' 03056-2328 RST2294AC distance=186' 03048-2255 UC 942 distance=190' 03059-2113 ARA1264 distance=191' 03132-1936 DON 46 distance=192' 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 03184-2231 SEE 23 127 0.1 1
Show 03168-2204 I 465 54 1.4 35
Show 03172-2302 H N 18 256 9.0 36
Show 03195-2145 JC 1 AB 290 5.8 48
Show 03195-2145 JC 1 AC 123 38.2 48
Show 03195-2145 JC 1 AD 292 126.9 48
Show 03195-2145 JC 1 AE 273 128.1 48
Show 03195-2145 JC 1 AF 236 163.1 48
Show 03195-2145 JC 1 Da,Db 18 2.9 49
Show 03227-2258 UC 996 130 15.2 66
Show 03234-2253 ARA1975 246 10.9 73
Show 03128-2244 ARA1973 146 11.4 78
Show 03231-2323 KPP2451 218 21.6 84
Show 03189-2054 ARA1266 93 10.6 97
Show 03140-2115 BRT 299 54 5.0 98
Show 03125-2130 LDS3465 73 3.7 102
Show 03165-2411 RST2299 190 4.1 104
Show 03251-2321 UC 1002 191 63.0 106
Show 03247-2131 HJ 3574 86 16.4 107
Show 03109-2200 B 683 58 7.1 109
Show 03172-2041 SKF 422 52 5.7 111
Show 03103-2244 STN 6 354 4.8 114
Show 03106-2146 DON1061 174 4.2 118
Show 03105-2145 SKF2170 1 12.0 119
Show 03152-2037 DON 49 256 2.2 123
Show 03121-2400 TDS2477 231 1.0 125
Show 03269-2344 RSS 4 29 26.2 139
Show 03217-2019 HJ 3570 256 34.0 140
Show 03163-2010 ARA 834 203 9.4 144
Show 03203-2007 LDS3480 30 27.2 146
Show 03278-2352 LDS3496 321 14.1 156
Show 03168-1956 HJ 3561 152 25.7 156
Show 03270-2047 CLZ 13 28 61.9 159
Show 03225-2502 RST2305 167 0.4 162
Show 03158-2510 B 46 102 1.2 163
Show 03084-2410 LDS 87 218 25.0 170
Show 03304-2202 DON 51 183 0.6 170
Show 03282-2413 TDS2555 22 0.5 171
Show 03217-1943 RST2304 91 2.1 174
Show 03187-2526 B 47 308 4.8 176
Show 03105-2012 SKF2169 162 81.9 178
Show 03253-2501 TDS2543 236 2.2 178
Show 03142-1942 TDS2490 270 0.4 179
Show 03312-2253 LDS3499 55 11.8 179
Show 03294-2406 GAA 18 351 0.0 180
Show 03107-2007 CBL 120 314 59.8 180
Show 03056-2328 RST2294 AB 316 0.6 186
Show 03056-2328 RST2294 AC 319 1.9 186
Show 03048-2255 UC 942 10 8.4 190
Show 03059-2113 ARA1264 263 11.7 191
Show 03132-1936 DON 46 339 5.0 192

 
 
WDS 03184-2231 : COMPONENTS
 
 
  A
B pa=128.8°
sep=0.14"
 
 
03184-2231 A
 
 
Componente originario normalizzato AB Name 15 Eri Coord arcsec 2000 031822.10-223040.1 Mag 6.57
Spectral class G8IV (yellow) PmRA 13.00 PmDE 19.0 SAO 168452
HIP 15382 HD 20610 HR 994 GC 3955
ADS 2463 CD CD-22 1146 CP CP-22 349 Flamsteed 15 Eridani
Flamsteed name 15 Eri
SAO
SAO 168452 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.014 Vmag 5 SpType K0
Double code Source 70 CatNum 3955 DM CD-22 1146
DMcomp BDsup HD 20610 M HD 0
GC 3955 RA1950rad 0.85589629 DE1950rad -0.39606655 PmRA2000 0.0013
PmDE2000 0.012
Hipparcos
Catalog H HIP 15382 Proxy H RAhms 03 18 22.10
DEdms -22 30 40.1 Vmag 4.86 VarFlag R Vmag G
RAdeg 49.5921 DEdeg -22.5112 AstroRef * Plx 12.79
CCDM 03184-2231 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 257 Rho 0.296 HD 20610 BD
CD CD-22 1146 CP CP-22 349 Dm number -22 1146 VIred 0.91
SpType K0III R SpType Coord arcsec 2000 031822.10-223040.1
Hipparcos 2
HIP 15382 Sn 57 So 3 Nc 2
RArad 0.865544903 DErad -0.3928936651 Plx 12.77 PmRA 13.08
PmDE 13.33 E RArad 0.78 E DErad 1.27 E Plx 1.17
E pmRA 1.12 E pmDE 1.51 Hpmag 5.0241 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.904 E BV 0.002
VI 0.91
CCDM
Ccdm 03184-2231 RComp Comp A Note1
Note2 Discov num DRAs -1.85 DDEs 19.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.3 Sp K0 PmNote *
PmRA 18 PmDE 13 Dm number Cat1
Name2 -22 1146 Cat2 CD HD 20610 M HD
ADS BDS A 2463 M ADS BDS N IDS IDS 03140S2253A
HIC 15382
 
 
03184-2231 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 031822.11-223040.2 Mag 5.32 Tycho2 6439-01171-1
Calc delta mag 1.25 Calc coord yes
Tycho2
Tycho2 6439-01171-1 Pflag RAmdeg 49.59209599 DEmdeg -22.51111332
PmRA 12.1 PmDE 15.6 E RAmdeg 3 E DEmdeg 3
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.45 EpDEm 1991.52
Num 12 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.4
Q pmDE 1.3 BTmag 6.012 E BTmag 0.014 VTmag 4.976
E VTmag 0.009 Prox 999 TYC T HIP 15382
CCDM AB RAdeg 49.59206583 DEdeg -22.51114917 EpRA 1990 1.64
EpDE 1990 1.70 E RAdeg 3.3 E DEdeg 3.4 Posflg P
Corr -0.1
CCDM
Ccdm 03184-2231 RComp Comp B Note1
Note2 Discov num SEE 23 DRAs DDEs
R dRAs Year 1959 Theta 295 Rho 0.2
Obs 22 Vmag 6.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2463 M ADS BDS N N IDS IDS 03140S2253B
HIC 15382