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Current system
03140+0044
STF 367
HD 20115


Nearby doubles
9' : 03137+0052
OSW 14

24' : 03150+0101
GIC 39

29' : 03160+0046
KPP3514

36' : 03117-0050
OSW 23

39' : 03165-0054
BAL 283

40' : 03114-0043
RST4755

40' : 03132+0122
TDS2483

41' : 03164-0025
A 1285

42' : 03113-0045
CVR 439

46' : 03112-0059
BAL 282

47' : 03129+0127
WIS 86

54' : 03176+0051
SLW 149

58' : 03178+0100
CBL 220

59' : 03101-0046
NSN 96

62' : 03107+0010
BAL 654

64' : 03174+0006
GAU 3

66' : 03184-0056
AC 2AB

68' : 03096-0054
CHE 75

69' : 03104-0004
GWP 429

73' : 03188+0030
SLW 150

74' : 03188-0028
ABT 3

80' : 03192+0022
SKF1680

82' : 03193+0105
BAL 963

88' : 03199+0055
UC 984

88' : 03192-0005
BAL 657

95' : 03078+0058
TDS2453



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.

03140+0044 STF 367 (HD 20115)

 
 
03h 14m 02.91s +00° 44' 21.3" P.A. 129.00 sep 1.3 mag 8.14,8.17 Sp F8 dist. 65.75 pc (214.48 l.y.)
 
 
Coord 2000 03140+0044 Discov num STF 367 Comp Coord arcsec 2000 03 14 02.91 +00 44 21.3
Date first 1831 Date last 2018 Obs 171
Pa first 281 Pa last 129.2 P.A. Now (θ) 128.4°
Sep first 1.0 Sep last 1.293 Sep. Now (ρ) 1.274"
Mag pri 8.14 Mag sec 8.17 delta mag (ΔM) 0.03 Spectral class F8 (yellow-white)
Pri motion ra +076 Sec motion ra +076
Pri motion dec -014 Sec motion dec -014
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 20115 Constellation Cetus SAO 111062 HIP 15058
Tycho2 0056-00850-1 Gaia DR2 3266941486151475456 HD 20115 GC 3862
ADS 2416 BD BD+00 542 Distance 65.75 Distance ly 214.48
 
 
ORBITAL ELEMENTS
 
 
Period (P)370.1079y± 112.7762 Periastron (T)1838.1867y± 8.3312 Semi-major axis (a)1.0048a± 0.10748
Eccentricity (e)0.4734± 0.14413 Inclination (i)127.821°± 11.928 Longitude of periastron (ω)139.915°± 30.091
Node (Ω)101.034°± 5.698 Notes ReferenceIzm2019
Equinox Last observation2015 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 136.5 1.172
2001 136.2 1.177
2002 135.8 1.182
2003 135.4 1.187
2004 135.0 1.192
2005 134.7 1.197
2006 134.3 1.202
2007 133.9 1.206
2008 133.6 1.211
2009 133.2 1.216
2010 132.8 1.220
2011 132.5 1.225
2012 132.1 1.229
2013 131.8 1.234
2014 131.4 1.238
2015 131.1 1.242
2016 130.7 1.246
2017 130.4 1.251
2018 130.1 1.255
2019 129.7 1.259
2020 129.4 1.262
2021 129.1 1.266
2022 128.7 1.270
2023 128.4 1.274
2024 128.1 1.277
2025 127.8 1.281
2026 127.4 1.284
2027 127.1 1.288
2028 126.8 1.291
2029 126.5 1.294
2030 126.2 1.298


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


 
  


wds03140%2B0044e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 03140+0044 STF 367 (HD 20115) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
03140+0044 STF 367 2006 159 134 1.1 8.14 8.17 F8 NOD 031402.91+004421.3
03140+0044 STF 367 2008 162 134 1.2 8.14 8.17 F8 NOD 031402.91+004421.3
03140+0044 STF 367 2009 163 134 1.2 8.14 8.17 F8 NOD 031402.91+004421.3
03140+0044 STF 367 2012 170 132 1.2 8.14 8.17 F8 NOD 031402.91+004421.3
03140+0044 STF 367 2016 168 130 1.2 8.14 8.17 F8 O 031402.91+004421.3
03140+0044 STF 367 2018 171 130 1.2 8.14 8.17 F8 O 031402.91+004421.3

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

 
 
WDS 03140+0044 STF 367 (HD 20115) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03140+0044 STF 367 (HD 20115) : MEASURES
 
 
No records found.

 
 
WDS 03140+0044 (HD 20115) : VIRTUAL EYEPIECE
 
 

03140+0044 STF 367A mag 8.14 Sp F8 03140+0044 STF 367B sep 1.3 P.A. 129.20 mag 8.17 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 03140+0044 (HD 20115) : ALADIN DSS IMAGE @ 03h 14m 02.91s +00° 44' 21.3"
 
 
 
 
WDS 03140+0044 STF 367 (HD 20115) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03140+0044 STF 367 distance=1' 03137+0052 OSW 14 distance=9' 03150+0101 GIC 39 distance=24' 03160+0046 KPP3514 distance=29' 03117-0050 OSW 23 distance=36' 03165-0054 BAL 283 distance=39' 03114-0043 RST4755 distance=40' 03132+0122 TDS2483 distance=40' 03164-0025 A 1285 distance=41' 03113-0045 CVR 439 distance=42' 03112-0059 BAL 282 distance=46' 03129+0127 WIS 86 distance=47' 03176+0051 SLW 149 distance=54' 03178+0100 CBL 220 distance=58' 03101-0046 NSN 96 distance=59' 03107+0010 BAL 654 distance=62' 03174+0006 GAU 3 distance=64' 03184-0056 AC 2AB distance=66' 03184-0056 LDS3472AC distance=66' 03096-0054 CHE 75 distance=68' 03104-0004 GWP 429 distance=69' 03188+0030 SLW 150 distance=73' 03188-0028 ABT 3 distance=74' 03192+0022 SKF1680 distance=80' 03193+0105 BAL 963 distance=82' 03199+0055 UC 984 distance=88' 03192-0005 BAL 657 distance=88' 03078+0058 TDS2453 distance=95' 03204-0054 ITF 84 distance=96' 03077-0032 A 1284 distance=97' 03074-0040 WAA 27 distance=100' 03210-0054 ITF 55BD distance=104' 03101+0210 RST5197 distance=105' 03210-0054 LDS5420AB distance=105' 03210-0054 LDS5420AC distance=105' 03210-0054 ITF 55AD distance=105' 03154+0228 CBL 219 distance=106' 03209+0110 HO 320AB distance=106' 03071+0108 BAL 962 distance=107' 03213-0047 ITF 54 distance=109' 03066+0046 A 2416 distance=112' 03066+0026 CBL 218 distance=114' 03216-0017 SKF1681 distance=117' 03065-0018 WAA 26 distance=117' 03128-0112 HJ 663AB distance=118' 03128-0112 LAF 30AC distance=118' 03128-0112 LAF 30AD distance=118' 03128-0112 LAF 30AE distance=118' 03128-0112 TOK 654AF distance=118' 03128-0112 HJ 663Ba,Bb distance=118' 03200+0204 SLW 151 distance=120' 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 03140+0044 STF 367 129 1.3 1
Show 03137+0052 OSW 14 208 35.4 9
Show 03150+0101 GIC 39 313 78.2 24
Show 03160+0046 KPP3514 262 4.6 29
Show 03117-0050 OSW 23 154 9.0 36
Show 03165-0054 BAL 283 96 7.4 39
Show 03114-0043 RST4755 174 0.3 40
Show 03132+0122 TDS2483 66 1.2 40
Show 03164-0025 A 1285 289 1.8 41
Show 03113-0045 CVR 439 343 10.7 42
Show 03112-0059 BAL 282 321 9.1 46
Show 03129+0127 WIS 86 288 32.8 47
Show 03176+0051 SLW 149 246 77.9 54
Show 03178+0100 CBL 220 97 11.9 58
Show 03101-0046 NSN 96 191 3.9 59
Show 03107+0010 BAL 654 224 5.9 62
Show 03174+0006 GAU 3 261 5.5 64
Show 03184-0056 AC 2 AB 262 1.2 66
Show 03184-0056 LDS3472 AC 47 48.7 66
Show 03096-0054 CHE 75 42 13.7 68
Show 03104-0004 GWP 429 357 7.7 69
Show 03188+0030 SLW 150 328 14.2 73
Show 03188-0028 ABT 3 343 11.9 74
Show 03192+0022 SKF1680 173 1.9 80
Show 03193+0105 BAL 963 63 2.3 82
Show 03199+0055 UC 984 279 34.6 88
Show 03192-0005 BAL 657 3 10.3 88
Show 03078+0058 TDS2453 317 1.9 95
Show 03204-0054 ITF 84 261 69.1 96
Show 03077-0032 A 1284 36 4.3 97
Show 03074-0040 WAA 27 67 1.2 100
Show 03210-0054 ITF 55 BD 59 217.3 104
Show 03101+0210 RST5197 291 1.4 105
Show 03210-0054 LDS5420 AB 280 46.4 105
Show 03210-0054 LDS5420 AC 20 93.7 105
Show 03210-0054 ITF 55 AD 49 185.8 105
Show 03154+0228 CBL 219 59 21.5 106
Show 03209+0110 HO 320 AB 173 2.1 106
Show 03071+0108 BAL 962 89 3.1 107
Show 03213-0047 ITF 54 50 9.2 109
Show 03066+0046 A 2416 4 0.6 112
Show 03066+0026 CBL 218 336 30.0 114
Show 03216-0017 SKF1681 49 4.9 117
Show 03065-0018 WAA 26 86 2.0 117
Show 03128-0112 HJ 663 AB 195 2.3 118
Show 03128-0112 LAF 30 AC 187 6.2 118
Show 03128-0112 LAF 30 AD 185 6.3 118
Show 03128-0112 LAF 30 AE 73 11.6 118
Show 03128-0112 TOK 654 AF 137 999.9 118
Show 03128-0112 HJ 663 Ba,Bb 102 0.0 118
Show 03200+0204 SLW 151 217 20.0 120

 
 
WDS 03140+0044 : COMPONENTS
 
 
  A
B pa=129.2°
sep=1.29"
 
 
03140+0044 A
 
 
Componente originario normalizzato AB Name HD 20115 Coord arcsec 2000 031402.91+004421.3 Mag 8.14
Spectral class F8 (yellow-white) PmRA 76.00 PmDE -14.0 SAO 111062
HIP 15058 Tycho2 0056-00850-1 HD 20115 GC 3862
ADS 2416 BD BD+00 542
Tycho2
Tycho2 0056-00850-1 Pflag P RAmdeg 48.51213433 DEmdeg 0.73924072
PmRA 76.2 PmDE -13.7 E RAmdeg 6 E DEmdeg 8
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.45 EpDEm 1991.11
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.6 BTmag 8.757 E BTmag 0.019 VTmag 8.138
E VTmag 0.013 Prox 11 TYC T HIP 15058
CCDM B RAdeg 48.51206278 DEdeg 0.73915167 EpRA 1990 1.71
EpDE 1990 1.61 E RAdeg 5.8 E DEdeg 7.6 Posflg D
Corr -0.2
SAO
SAO 111062 DelFlag RA1950 PmRA1950 0.0047
DE1950 PmDE1950 -0.001 Vmag 8.1 SpType F8
Double code Source 70 CatNum 3862 DM BD+00 542
DMcomp BDsup HD 20115 M HD 0
GC 3862 RA1950rad 0.83545692 DE1950rad 0.00966911 PmRA2000 0.005
PmDE2000 -0.005
Hipparcos
Catalog H HIP 15058 Proxy H RAhms 03 14 02.84
DEdms +00 44 21.8 Vmag 7.36 VarFlag R Vmag G
RAdeg 48.5119 DEdeg 0.739389 AstroRef A Plx 16.27
CCDM 03140+0044 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 140 Rho 1.135 HD 20115 BD BD+00 542
CD CP Dm number +00 542 VIred 0.6
SpType F8 R SpType Coord arcsec 2000 031402.84+004421.8
Hipparcos 2
HIP 15058 Sn 15 So 3 Nc 2
RArad 0.8466915443 DErad 0.0129047566 Plx 15.21 PmRA 73.04
PmDE -16.22 E RArad 1.4 E DErad 1.14 E Plx 1.4
E pmRA 1.8 E pmDE 1.4 Hpmag 7.4841 E Hpmag 0.0017
SHp 0.011 VA 0 BV 0.531 E BV 0.005
VI 0.6
CCDM
Ccdm 03140+0044 RComp Comp A Note1
Note2 Discov num DRAs 2.86 DDEs 22.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp F8 PmNote *
PmRA 59 PmDE 21 Dm number +00 542 Cat1 BD
Name2 +00 278 Cat2 AGK2/3 HD 20115 M HD
ADS BDS A 2416 M ADS BDS N IDS IDS 03089N0022A
HIC 15058
 
 
03140+0044 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 031402.98+004420.5 Mag 8.17 PmRA 76.00
PmDE -14.0 Tycho2 0056-00850-2 Calc delta mag 0.03 Calc coord yes
Tycho2
Tycho2 0056-00850-2 Pflag P RAmdeg 48.51213433 DEmdeg 0.73924072
PmRA 76.2 PmDE -13.7 E RAmdeg 6 E DEmdeg 8
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.45 EpDEm 1991.11
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.6 BTmag 8.731 E BTmag 0.018 VTmag 8.171
E VTmag 0.013 Prox 11 TYC T HIP 15058
CCDM A RAdeg 48.51186000 DEdeg 0.73938694 EpRA 1990 1.71
EpDE 1990 1.60 E RAdeg 5.7 E DEdeg 7.5 Posflg D
Corr -0.2
CCDM
Ccdm 03140+0044 RComp Comp B Note1 *
Note2 Discov num STF 367 DRAs DDEs
R dRAs Year 1831 Theta Rho
Obs 99 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2416 M ADS BDS N IDS IDS 03089N0022B
HIC 15058