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Doubles in session


Current system
11000-0328
STF 1500
HD 95280


Nearby doubles
33' : 11022-0335
BRT 548

39' : 11026-0331
HJ 173

42' : 10587-0252
CVR 587

45' : 11030-0323
LDS 330

58' : 10569-0256
A 68

59' : 10586-0234
GWP1514

70' : 10560-0254
TOK 843

72' : 10553-0336
NSN 130

87' : 10571-0214
GWP1504

87' : 11023-0448
GWP1526

89' : 10598-0200
BAL 530

91' : 11036-0442
GWP1532

96' : 11011-0154
GWP1520

107' : 10531-0311
FIL 27

109' : 11024-0146
BAL 531

117' : 10558-0150
KPP2756

119' : 10527-0412
DAM1233

120' : 10564-0142
BAL 529

123' : 11068-0218
RST4935

124' : 10534-0215
S 617

125' : 10537-0208
MAD 5

126' : 10517-0340
HDS1551

126' : 11080-0412
J 2080

128' : 11029-0528
KPP1395

129' : 10519-0407
DAM1439

129' : 11057-0505
WSP 106AB



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.

11000-0328 STF 1500 (HD 95280)

 
 
11h 00m 02.02s -03° 28' 16.5" P.A. 299.00 sep 1.3 mag 7.91,8.27 Sp F8V dist. 53.59 pc (174.81 l.y.)
 
 
Coord 2000 11000-0328 Discov num STF1500 Comp Coord arcsec 2000 11 00 02.02 -03 28 16.5
Date first 1825 Date last 2021 Obs 149
Pa first 331 Pa last 298.8 P.A. Now (θ) 298.8°
Sep first 1.1 Sep last 1.292 Sep. Now (ρ) 1.292"
Mag pri 7.91 Mag sec 8.27 delta mag (ΔM) 0.36 Spectral class F8V (yellow-white)
Pri motion ra +064 Sec motion ra +064
Pri motion dec +031 Sec motion dec +031
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 95280 Constellation Leo SAO 137933 HIP 53765
Tycho2 4924-00881-1 Gaia DR2 3789596743596878976 HD 95280 GC 15111
ADS 8007 BD BD-02 3264 Distance 53.59 Distance ly 174.81
 
 
ORBITAL ELEMENTS
 
 
Period (P)680.1448y± 286.4299 Periastron (T)1774.466y± 41.0648 Semi-major axis (a)1.59598a± 0.43637
Eccentricity (e)0.30807± 0.1759 Inclination (i)101.993°± 2.511 Longitude of periastron (ω)78.776°± 47.631
Node (Ω)132.744°± 2.189 Notes ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 301.7 1.431
2001 301.6 1.426
2002 301.4 1.420
2003 301.3 1.415
2004 301.2 1.409
2005 301.0 1.404
2006 300.9 1.398
2007 300.8 1.392
2008 300.6 1.386
2009 300.5 1.380
2010 300.3 1.374
2011 300.2 1.368
2012 300.1 1.362
2013 299.9 1.356
2014 299.8 1.350
2015 299.6 1.344
2016 299.5 1.337
2017 299.3 1.331
2018 299.2 1.325
2019 299.0 1.318
2020 298.9 1.312
2021 298.7 1.305
2022 298.6 1.299
2023 298.4 1.292
2024 298.2 1.285
2025 298.1 1.279
2026 297.9 1.272
2027 297.7 1.265
2028 297.6 1.258
2029 297.4 1.251
2030 297.2 1.244


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


 
  


wds11000-0328b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11000-0328 STF 1500 (HD 95280) : 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
11000-0328 STF1500 2005 139 301 1.4 7.91 8.27 F8V D 110002.02-032816.5
11000-0328 STF1500 2009 141 300 1.4 7.91 8.27 F8V D 110002.02-032816.5
11000-0328 STF1500 2010 144 300 1.4 7.91 8.27 F8V D 110002.02-032816.5
11000-0328 STF1500 2014 141 300 1.4 7.91 8.27 F8V O 110002.02-032816.5
11000-0328 STF1500 2017 145 299 1.3 7.91 8.27 F8V O 110002.02-032816.5
11000-0328 STF1500 2019 147 301 1.2 7.91 8.27 F8V O 110002.02-032816.5
11000-0328 STF1500 2021 149 299 1.3 7.91 8.27 F8V O 110002.02-032816.5

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

 
 
WDS 11000-0328 STF 1500 (HD 95280) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11000-0328 STF 1500 (HD 95280) : MEASURES
 
 
No records found.

 
 
WDS 11000-0328 (HD 95280) : VIRTUAL EYEPIECE
 
 

11000-0328 STF1500A mag 7.91 Sp F8V 11000-0328 STF1500B sep 1.3 P.A. 298.80 mag 8.27 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 11000-0328 (HD 95280) : ALADIN DSS IMAGE @ 11h 00m 02.02s -03° 28' 16.5"
 
 
 
 
WDS 11000-0328 STF 1500 (HD 95280) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11000-0328 STF1500 distance=0' 11022-0335 BRT 548 distance=33' 11026-0331 HJ 173 distance=39' 10587-0252 CVR 587 distance=42' 11030-0323 LDS 330 distance=45' 10569-0256 A 68 distance=58' 10586-0234 GWP1514 distance=59' 10560-0254 TOK 843 distance=70' 10553-0336 NSN 130 distance=72' 11047-0413 A 676BC distance=83' 11047-0413 STF1506A,BC distance=83' 11047-0413 LAF 43AD distance=83' 11047-0413 LAF 43AE distance=83' 11047-0413 LAF 43AF distance=83' 11047-0413 LAF 43AG distance=83' 10571-0214 GWP1504 distance=87' 11023-0448 GWP1526 distance=87' 10598-0200 BAL 530 distance=89' 11036-0442 GWP1532 distance=91' 11011-0154 GWP1520 distance=96' 10531-0311 FIL 27 distance=107' 11024-0146 BAL 531 distance=109' 10558-0150 KPP2756 distance=117' 10527-0412 DAM1233 distance=119' 10564-0142 BAL 529 distance=120' 11068-0218 RST4935 distance=123' 10534-0215 S 617 distance=124' 10537-0208 MAD 5 distance=125' 10517-0340 HDS1551 distance=126' 11080-0412 J 2080 distance=126' 11029-0528 KPP1395 distance=128' 10519-0407 DAM1439 distance=129' 11057-0505 WSP 106AB distance=129' 11057-0505 WSP 106AC distance=129' 11079-0435 GWP1539 distance=136' 10509-0410 HJ 169AB distance=136' 10509-0410 HJ 169AC distance=136' 10577-0540 RST4469 distance=136' 10526-0207 YSC 206 distance=139' 11095-0325 HJ 177 distance=141' 10567-0542 GWP1501 distance=143' 11089-0233 CVR 594 distance=145' 10578-0107 GWP1509 distance=146' 11095-0259 GWP1546 distance=146' 11086-0442 J 1572 distance=148' 11095-0242 GWP1545 distance=149' 10578-0555 GWP1510 distance=151' 10528-0516 GWP1481 distance=153' 11103-0331 GWP1548 distance=154' 10572-0102 BAL 862 distance=154' 10501-0408 DAM1438 distance=155' 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 11000-0328 STF1500 299 1.3
Show 11022-0335 BRT 548 89 4.5 33
Show 11026-0331 HJ 173 177 35.5 39
Show 10587-0252 CVR 587 43 25.5 42
Show 11030-0323 LDS 330 175 14.8 45
Show 10569-0256 A 68 116 0.4 58
Show 10586-0234 GWP1514 333 69.7 59
Show 10560-0254 TOK 843 318 0.1 70
Show 10553-0336 NSN 130 299 1.3 72
Show 11047-0413 A 676 BC 248 0.3 83
Show 11047-0413 STF1506 A,BC 221 11.8 83
Show 11047-0413 LAF 43 AD 30 4.7 83
Show 11047-0413 LAF 43 AE 213 5.6 83
Show 11047-0413 LAF 43 AF 214 6.1 83
Show 11047-0413 LAF 43 AG 330 8.9 83
Show 10571-0214 GWP1504 85 59.9 87
Show 11023-0448 GWP1526 225 25.4 87
Show 10598-0200 BAL 530 252 10.8 89
Show 11036-0442 GWP1532 315 16.4 91
Show 11011-0154 GWP1520 122 34.5 96
Show 10531-0311 FIL 27 81 3.5 107
Show 11024-0146 BAL 531 149 15.4 109
Show 10558-0150 KPP2756 268 7.2 117
Show 10527-0412 DAM1233 268 63.6 119
Show 10564-0142 BAL 529 164 16.0 120
Show 11068-0218 RST4935 305 2.2 123
Show 10534-0215 S 617 178 35.2 124
Show 10537-0208 MAD 5 15 0.4 125
Show 10517-0340 HDS1551 332 2.0 126
Show 11080-0412 J 2080 341 2.8 126
Show 11029-0528 KPP1395 106 10.4 128
Show 10519-0407 DAM1439 308 1.9 129
Show 11057-0505 WSP 106 AB 245 13.2 129
Show 11057-0505 WSP 106 AC 125 18.2 129
Show 11079-0435 GWP1539 174 19.9 136
Show 10509-0410 HJ 169 AB 70 2.0 136
Show 10509-0410 HJ 169 AC 331 12.8 136
Show 10577-0540 RST4469 130 0.3 136
Show 10526-0207 YSC 206 297 0.0 139
Show 11095-0325 HJ 177 132 4.8 141
Show 10567-0542 GWP1501 85 9.2 143
Show 11089-0233 CVR 594 152 11.0 145
Show 10578-0107 GWP1509 186 50.6 146
Show 11095-0259 GWP1546 355 19.9 146
Show 11086-0442 J 1572 22 8.2 148
Show 11095-0242 GWP1545 307 19.8 149
Show 10578-0555 GWP1510 350 7.6 151
Show 10528-0516 GWP1481 229 15.1 153
Show 11103-0331 GWP1548 282 75.3 154
Show 10572-0102 BAL 862 190 9.6 154
Show 10501-0408 DAM1438 330 8.2 155

 
 
WDS 11000-0328 : COMPONENTS
 
 
  A
B pa=298.8°
sep=1.29"
 
 
11000-0328 A
 
 
Componente originario normalizzato AB Name HD 95280 Coord arcsec 2000 110002.02-032816.5 Mag 7.91
Spectral class F8V (yellow-white) PmRA 64.00 PmDE 31.0 SAO 137933
HIP 53765 Tycho2 4924-00881-1 HD 95280 GC 15111
BD BD-02 3264
Tycho2
Tycho2 4924-00881-1 Pflag P RAmdeg 165.00843342 DEmdeg -3.47126371
PmRA 63.5 PmDE 30.9 E RAmdeg 6 E DEmdeg 7
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.60 EpDEm 1991.36
Num 5 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.2 BTmag 8.458 E BTmag 0.017 VTmag 7.908
E VTmag 0.013 Prox 15 TYC T HIP 53765
CCDM A RAdeg 165.00840306 DEdeg -3.47141139 EpRA 1990 1.75
EpDE 1990 1.57 E RAdeg 6.2 E DEdeg 7.4 Posflg D
Corr 0.2
SAO
SAO 137933 DelFlag RA1950 PmRA1950 0.0039
DE1950 PmDE1950 0.025 Vmag 7.3 SpType F8
Double code Source 70 CatNum 15111 DM BD-02 3264
DMcomp BDsup HD 95280 M HD 0
GC 15111 RA1950rad 2.86881715 DE1950rad -0.05591135 PmRA2000 0.0041
PmDE2000 0.029
Hipparcos
Catalog H HIP 53765 Proxy H RAhms 11 00 02.02
DEdms -03 28 17.1 Vmag 7.27 VarFlag R Vmag G
RAdeg 165.008 DEdeg -3.47142 AstroRef A Plx 17.55
CCDM 11000-0328 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 303 Rho 1.487 HD 95280 BD BD-02 3264
CD CP Dm number -02 3264 VIred 0.64
SpType F8 R SpType Coord arcsec 2000 110002.02-032817.1
Hipparcos 2
HIP 53765 Sn 15 So 3 Nc 2
RArad 2.8799398849 DErad -0.0605876328 Plx 18.66 PmRA 65.77
PmDE 39.96 E RArad 1.18 E DErad 0.53 E Plx 0.86
E pmRA 1.91 E pmDE 0.79 Hpmag 7.3773 E Hpmag 0.0013
SHp 0.009 VA 0 BV 0.563 E BV 0.006
VI 0.64
CCDM
Ccdm 11000-0328 RComp Comp A Note1
Note2 Discov num DRAs 1.98 DDEs -17.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp F8 PmNote *
PmRA 58 PmDE 27 Dm number -02 3264 Cat1 BD
Name2 137933 Cat2 SAO HD 95280 M HD
ADS BDS A 8007 M ADS BDS N IDS IDS 10549S0256A
HIC 53765
 
 
11000-0328 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 110001.94-032815.9 Mag 8.27 PmRA 64.00
PmDE 31.0 HIP 53765 Tycho2 4924-00881-2 Calc delta mag 0.36
Calc coord yes
Tycho2
Tycho2 4924-00881-2 Pflag P RAmdeg 165.00843342 DEmdeg -3.47126371
PmRA 63.5 PmDE 30.9 E RAmdeg 6 E DEmdeg 7
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.60 EpDEm 1991.36
Num 5 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.2 BTmag 8.891 E BTmag 0.020 VTmag 8.274
E VTmag 0.015 Prox 15 TYC HIP 53765
CCDM B RAdeg 165.00806000 DEdeg -3.47118750 EpRA 1990 1.73
EpDE 1990 1.53 E RAdeg 8.1 E DEdeg 9.6 Posflg D
Corr 0.2
Hipparcos
Catalog H HIP 53765 Proxy H RAhms 11 00 02.02
DEdms -03 28 17.1 Vmag 7.27 VarFlag R Vmag G
RAdeg 165.008 DEdeg -3.47142 AstroRef A Plx 17.55
CCDM 11000-0328 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 303 Rho 1.487 HD 95280 BD BD-02 3264
CD CP Dm number -02 3264 VIred 0.64
SpType F8 R SpType Coord arcsec 2000 110002.02-032817.1
Hipparcos 2
HIP 53765 Sn 15 So 3 Nc 2
RArad 2.8799398849 DErad -0.0605876328 Plx 18.66 PmRA 65.77
PmDE 39.96 E RArad 1.18 E DErad 0.53 E Plx 0.86
E pmRA 1.91 E pmDE 0.79 Hpmag 7.3773 E Hpmag 0.0013
SHp 0.009 VA 0 BV 0.563 E BV 0.006
VI 0.64
CCDM
Ccdm 11000-0328 RComp Comp B Note1
Note2 Discov num STF1500 DRAs DDEs
R dRAs Year 1958 Theta 305 Rho 1.6
Obs 99 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8007 M ADS BDS N IDS IDS 10549S0256B
HIC 53765