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Current system
15071-0217
A 689
HD 133928


Nearby doubles
11' : 15065-0214
GWP2492

63' : 15037-0140
UC 2909

72' : 15101-0120
BAL 881

86' : 15026-0126
KPP2282

89' : 15121-0304
LDS4534

90' : 15019-0135
ART 2

96' : 15135-0218
LDS4536

97' : 15095-0347
TDS9422

99' : 15016-0310
STF1899

104' : 15138-0152
KPP1907

115' : 15138-0121
A 691

123' : 15130-0342
UC 2961

126' : 15152-0253
RST4535

126' : 15154-0241
SLW1075

141' : 15012-0406
A 14

144' : 15050-0003
SKF 717

145' : 15166-0147
BAL 557

148' : 14577-0300
UC 2883

150' : 15080-0011
GRV1108

151' : 15076+0013
BAL1176

154' : 15098-0445
OSO 61AB

158' : 15118+0005
FMR 117

159' : 15079+0021
CVR 777

162' : 15112-0446
KPP3050

164' : 14568-0126
UC 2877

166' : 15055-0501
HDS2125AB



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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15071-0217 A 689 (HD 133928)

 
 
15h 07m 08.61s -02° 16' 50.5" P.A. 327.00 sep 0.3 mag 8.20,8.70 Sp F8 dist. 95.24 pc (310.67 l.y.)
 
 
Coord 2000 15071-0217 Discov num A   689 Comp Coord arcsec 2000 15 07 08.61 -02 16 50.5
Date first 1904 Date last 2016 Obs 43
Pa first 315 Pa last 326.5 P.A. Now (θ) 326.5°
Sep first 0.3 Sep last 0.334 Sep. Now (ρ) 0.334"
Mag pri 8.20 Mag sec 8.70 delta mag (ΔM) 0.5 Spectral class F8 (yellow-white)
Pri motion ra -071 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 133928 Constellation Libra SAO 140332 HIP 73982
Tycho2 5004-00384-1 Gaia DR2 6339618745351109376 HD 133928 ADS 9504
BD BD-01 3021 Distance 95.24 Distance ly 310.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)66y Periastron (T)1935.6y Semi-major axis (a)0.31a
Eccentricity (e)0.88 Inclination (i)103.9° Longitude of periastron (ω)65°
Node (Ω)164° Notes ReferenceBaz1987d
Equinox Last observation1982 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 180.0 0.074
2001 167.0 0.057
2002 3.1 0.029
2003 345.0 0.101
2004 341.1 0.146
2005 338.8 0.178
2006 337.1 0.203
2007 335.8 0.223
2008 334.7 0.240
2009 333.7 0.255
2010 332.9 0.267
2011 332.0 0.277
2012 331.3 0.286
2013 330.6 0.293
2014 329.9 0.299
2015 329.2 0.304
2016 328.6 0.309
2017 328.0 0.312
2018 327.4 0.315
2019 326.8 0.316
2020 326.2 0.317
2021 325.6 0.318
2022 325.0 0.318
2023 324.4 0.317
2024 323.8 0.316
2025 323.2 0.314
2026 322.6 0.312
2027 322.0 0.310
2028 321.3 0.307
2029 320.7 0.303
2030 320.0 0.299


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


 
  


wds15071-0217a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15071-0217 A 689 (HD 133928) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Baz1987d orb - Baize, P. 1987A&AS...71..177B
Baz1987d A&AS 71, 177, 1987
 
 
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
15071-0217 A 689 1993 39 329 0.1 8.20 8.70 F8 NO 150708.61-021650.5
15071-0217 A 689 2009 41 331 0.3 8.20 8.70 F8 NO 150708.61-021650.5
15071-0217 A 689 2015 42 327 0.3 8.20 8.70 F8 O 150708.61-021650.5
15071-0217 A 689 2016 43 327 0.3 8.20 8.70 F8 O 150708.61-021650.5

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

 
 
WDS 15071-0217 A 689 (HD 133928) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15071-0217 A 689 (HD 133928) : MEASURES
 
 
No records found.

 
 
WDS 15071-0217 (HD 133928) : VIRTUAL EYEPIECE
 
 

15071-0217 A 689A mag 8.2 Sp F8 15071-0217 A 689B sep 0.3 P.A. 326.50 mag 8.7 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 15071-0217 (HD 133928) : ALADIN DSS IMAGE @ 15h 07m 08.61s -02° 16' 50.5"
 
 
 
 
WDS 15071-0217 A 689 (HD 133928) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15071-0217 A 689 distance=1' 15065-0214 GWP2492 distance=11' 15037-0140 UC 2909 distance=63' 15101-0120 BAL 881 distance=72' 15026-0126 KPP2282 distance=86' 15121-0304 LDS4534 distance=89' 15019-0135 ART 2 distance=90' 15135-0218 LDS4536 distance=96' 15095-0347 TDS9422 distance=97' 15016-0310 STF1899 distance=99' 15138-0152 KPP1907 distance=104' 15138-0121 A 691 distance=115' 15130-0342 UC 2961 distance=123' 15152-0253 RST4535 distance=126' 15154-0241 SLW1075 distance=126' 15012-0406 A 14 distance=141' 15050-0003 SKF 717 distance=144' 15166-0147 BAL 557 distance=145' 14577-0300 UC 2883 distance=148' 15080-0011 GRV1108 distance=150' 15076+0013 BAL1176 distance=151' 15098-0445 OSO 61AB distance=154' 15098-0445 LDS 518AC distance=154' 15118+0005 FMR 117 distance=158' 15079+0021 CVR 777 distance=159' 15112-0446 KPP3050 distance=162' 14568-0126 UC 2877 distance=164' 15055-0501 HDS2125AB distance=166' 15018-0008 BU 348AB distance=166' 15018-0008 BU 348AC distance=166' 15176-0119 UC 2978 distance=168' 14560-0300 NSN 427 distance=173' 15004+0007 BAL1175 distance=176' 15066+0040 UC 2925 distance=178' 14555-0148 SLW1044 distance=178' 15083-0040 SLW1064 distance=178' 14553-0203 WSP 57 distance=179' 15148-0439 A 15AB distance=183' 15148-0439 WAK 23AC distance=183' 15190-0126 LDS5167 distance=185' 15034-0041 JNN 101 distance=187' 15134-0027 UC 2963 distance=189' 15086+0052 J 1027CD distance=190' 15086+0052 J 1027AB distance=191' 15086+0052 J 1027AC distance=191' 14543-0157 J 2109 distance=194' 14572-0421 SOZ 24 distance=194' 14597-0024 A 2174 distance=195' 14560-0422 BRT 456 distance=197' 15092-0532 FMR 8 distance=198' 15087-0059 STF3090AB distance=198' 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 15071-0217 A 689 327 0.3 1
Show 15065-0214 GWP2492 228 16.6 11
Show 15037-0140 UC 2909 69 12.2 63
Show 15101-0120 BAL 881 138 6.3 72
Show 15026-0126 KPP2282 66 19.2 86
Show 15121-0304 LDS4534 101 9.0 89
Show 15019-0135 ART 2 331 1.0 90
Show 15135-0218 LDS4536 194 8.2 96
Show 15095-0347 TDS9422 220 1.0 97
Show 15016-0310 STF1899 67 28.6 99
Show 15138-0152 KPP1907 44 15.0 104
Show 15138-0121 A 691 136 0.1 115
Show 15130-0342 UC 2961 193 44.2 123
Show 15152-0253 RST4535 175 1.0 126
Show 15154-0241 SLW1075 278 160.8 126
Show 15012-0406 A 14 96 4.0 141
Show 15050-0003 SKF 717 172 1.9 144
Show 15166-0147 BAL 557 305 2.7 145
Show 14577-0300 UC 2883 188 30.8 148
Show 15080-0011 GRV1108 99 7.8 150
Show 15076+0013 BAL1176 24 16.2 151
Show 15098-0445 OSO 61 AB 35 26.3 154
Show 15098-0445 LDS 518 AC 218 607.9 154
Show 15118+0005 FMR 117 180 127.8 158
Show 15079+0021 CVR 777 199 17.2 159
Show 15112-0446 KPP3050 72 2.9 162
Show 14568-0126 UC 2877 61 38.2 164
Show 15055-0501 HDS2125 AB 270 0.9 166
Show 15018-0008 BU 348 AB 108 0.5 166
Show 15018-0008 BU 348 AC 221 30.8 166
Show 15176-0119 UC 2978 241 18.1 168
Show 14560-0300 NSN 427 359 2.5 173
Show 15004+0007 BAL1175 196 14.4 176
Show 15066+0040 UC 2925 51 24.5 178
Show 14555-0148 SLW1044 115 145.8 178
Show 15083-0040 SLW1064 124 9.4 178
Show 14553-0203 WSP 57 199 11.0 179
Show 15148-0439 A 15 AB 287 5.2 183
Show 15148-0439 WAK 23 AC 86 17.6 183
Show 15190-0126 LDS5167 8 9.5 185
Show 15034-0041 JNN 101 275 3.8 187
Show 15134-0027 UC 2963 257 13.8 189
Show 15086+0052 J 1027 CD 147 4.4 190
Show 15086+0052 J 1027 AB 244 2.7 191
Show 15086+0052 J 1027 AC 172 50.1 191
Show 14543-0157 J 2109 149 5.2 194
Show 14572-0421 SOZ 24 293 19.4 194
Show 14597-0024 A 2174 108 0.8 195
Show 14560-0422 BRT 456 348 4.9 197
Show 15092-0532 FMR 8 239 4.8 198
Show 15087-0059 STF3090 AB 289 0.6 198

 
 
WDS 15071-0217 : COMPONENTS
 
 
  A
B pa=326.5°
sep=0.33"
 
 
15071-0217 A
 
 
Componente originario normalizzato AB Name HD 133928 Coord arcsec 2000 150708.61-021650.5 Mag 8.2
Spectral class F8 (yellow-white) PmRA -71.00 PmDE 9.0 SAO 140332
HIP 73982 Tycho2 5004-00384-1 HD 133928 ADS 9504
BD BD-01 3021
Tycho2
Tycho2 5004-00384-1 Pflag RAmdeg 226.78569480 DEmdeg -2.28063922
PmRA -76.9 PmDE 17.8 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.24 EpDEm 1990.95
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.1
Q pmDE 1.8 BTmag 8.350 E BTmag 0.016 VTmag 7.710
E VTmag 0.012 Prox 999 TYC T HIP 73982
CCDM RAdeg 226.78587167 DEdeg -2.28068000 EpRA 1990 1.73
EpDE 1990 1.65 E RAdeg 4.9 E DEdeg 6.2 Posflg
Corr 0.3
SAO
SAO 140332 DelFlag RA1950 PmRA1950 -0.0038
DE1950 PmDE1950 -0.022 Vmag 8.3 SpType F8
Double code Source 31 CatNum 3865 DM BD-01 3021
DMcomp BDsup HD 133928 M HD 0
GC RA1950rad 3.94686098 DE1950rad -0.03646713 PmRA2000 -0.0036
PmDE2000 -0.019
Hipparcos
Catalog H HIP 73982 Proxy RAhms 15 07 08.61
DEdms -02 16 50.5 Vmag 7.64 VarFlag R Vmag H
RAdeg 226.786 DEdeg -2.28069 AstroRef Plx 9.39
CCDM 15071-0217 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 133928 BD BD-01 3021
CD CP Dm number -01 3021 VIred 0.65
SpType F8 R SpType Coord arcsec 2000 150708.61-021650.5
Hipparcos 2
HIP 73982 Sn 5 So 0 Nc 1
RArad 3.95816031 DErad -0.0398054608 Plx 10.5 PmRA -79.76
PmDE 23.61 E RArad 0.78 E DErad 0.44 E Plx 0.83
E pmRA 0.93 E pmDE 0.67 Hpmag 7.7687 E Hpmag 0.0011
SHp 0.008 VA 0 BV 0.582 E BV 0.017
VI 0.65
CCDM
Ccdm 15071-0217 RComp Comp A Note1
Note2 Discov num DRAs 2.54 DDEs 9.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp F8 PmNote *
PmRA -83 PmDE 7 Dm number -01 3021 Cat1 BD
Name2 -02 907 Cat2 AGK2/3 HD 133928 M HD
ADS BDS A 9504 M ADS BDS N IDS IDS 15020S0154A
HIC 73982
 
 
15071-0217 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 150708.60-021650.2 Mag 8.7 Calc delta mag 0.5
Calc coord yes
CCDM
Ccdm 15071-0217 RComp Comp B Note1 *
Note2 Discov num A 689 DRAs DDEs
R dRAs Year 1960 Theta 328 Rho 0.3
Obs 15 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9504 M ADS BDS N N IDS IDS 15020S0154B
HIC 73982