stampa
Login

Saving a selection in a list is possibile.
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
13580-6445
HDS 1957
HD 121520


Nearby doubles
16' : 14002-6438
TDS9067

26' : 13587-6510
HDS1960

41' : 13577-6404
TDS9046

46' : 13513-6432
RST 660AB

46' : 13509-6452
TDS9000

47' : 14017-6405
NSN 360

47' : 14027-6409
RST5581

49' : 13581-6357
RST 669

52' : 13517-6415
RST5578

53' : 14056-6506
TDS9091

54' : 13583-6538
HJ 4630AB

55' : 13560-6352
TDS9038

56' : 14068-6450
B 1749

58' : 14051-6521
TDS9088

59' : 13552-6349
RST 666

60' : 13545-6540
RST 663

60' : 13538-6539
RST5579

63' : 13483-6441
HDS1940

63' : 13525-6353
TDS9013

64' : 13585-6548
HJ 4632AB

64' : 13522-6354
TDS9011

65' : 13490-6417
RST 659

68' : 13521-6350
TDS9010

68' : 14012-6341
LDS 467

68' : 13569-6553
MLO 54

69' : 13539-6342
TDS9023



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.

13580-6445 HDS 1957 (HD 121520)

 
 
13h 58m 02.07s -64° 44' 58.5" P.A. 313.00 sep 28.6 mag 9.75,10.53 Sp B9 dist. 1086.96 pc (3545.66 l.y.)
 
 
Coord 2000 13580-6445 Discov num HDS1957 Comp Coord arcsec 2000 13 58 02.07 -64 44 58.5
Date first 1892 Date last 2015 Obs 11
Pa first 314 Pa last 312.7 P.A. Now (θ) 312.7°
Sep first 28.6 Sep last 28.649 Sep. Now (ρ) 28.649"
Mag pri 9.75 Mag sec 10.53 delta mag (ΔM) 0.78 Spectral class B9 (blue-white)
Pri motion ra -010 Sec motion ra -010
Pri motion dec -007 Sec motion dec -007
Notes U (Proper motion indicates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 121520 Constellation Circinus HIP 68223 Tycho2 9012-02106-1
Gaia DR2 5852289971945999360 HD 121520 CP CP-64 2649 Distance 1086.96
Distance ly 3545.66
 
 
WDS 13580-6445 HDS 1957 (HD 121520) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13580-6445 HDS1957 2000 8 313 28.6 9.75 10.53 B9 D 135802.07-644458.5
13580-6445 HDS1957 2010 10 313 28.7 9.75 10.53 B9 135802.07-644458.5
13580-6445 HDS1957 2015 11 313 28.6 9.75 10.53 B9 135802.07-644458.5

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

 
 
WDS 13580-6445 HDS 1957 (HD 121520) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13580-6445 HDS 1957 (HD 121520) : MEASURES
 
 
No records found.

 
 
WDS 13580-6445 (HD 121520) : VIRTUAL EYEPIECE
 
 

13580-6445 HDS1957A mag 9.75 Sp B9 13580-6445 HDS1957B sep 21.4 P.A. 335.20 mag 10.53 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 13580-6445 (HD 121520) : ALADIN DSS IMAGE @ 13h 58m 02.07s -64° 44' 58.5"
 
 
 
 
WDS 13580-6445 HDS 1957 (HD 121520) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13580-6445 HDS1957 distance=0' 14002-6438 TDS9067 distance=16' 13587-6510 HDS1960 distance=26' 13577-6404 TDS9046 distance=41' 13513-6432 RST 660AB distance=46' 13513-6432 SIN 83AC distance=46' 13513-6432 SIN 83AD distance=46' 13509-6452 TDS9000 distance=46' 14017-6405 NSN 360 distance=47' 14027-6409 RST5581 distance=47' 13581-6357 RST 669 distance=49' 13517-6415 RST5578 distance=52' 14056-6506 TDS9091 distance=53' 13583-6538 HJ 4630AB distance=54' 13583-6538 SHT 28AC distance=54' 13560-6352 TDS9038 distance=55' 14068-6450 B 1749 distance=56' 14051-6521 TDS9088 distance=58' 13552-6349 RST 666 distance=59' 13545-6540 RST 663 distance=60' 13538-6539 RST5579 distance=60' 13483-6441 HDS1940 distance=63' 13525-6353 TDS9013 distance=63' 13585-6548 HJ 4632AB distance=64' 13585-6548 HJ 4632AC distance=64' 13522-6354 TDS9011 distance=64' 13490-6417 RST 659 distance=65' 13521-6350 TDS9010 distance=68' 14012-6341 LDS 467 distance=68' 13569-6553 MLO 54 distance=68' 13539-6342 TDS9023 distance=69' 14044-6350 RST5582 distance=69' 13595-6337 TDS9061 distance=69' 13591-6554 MLO 55 distance=69' 14024-6340 TDS9076 distance=72' 14089-6429 TDS9111 distance=72' 13469-6457 WFC 141 distance=72' 13593-6333 TDS9058 distance=73' 13588-6331 TDS9054 distance=75' 13535-6336 TDS9018 distance=76' 13473-6415 TDS8965 distance=76' 14088-6413 TDS9109 distance=77' 13586-6328 TDS9053 distance=78' 14054-6344 TDS9090 distance=78' 14062-6543 SKF 107AB distance=78' 14062-6543 SKF 107Aa,Ab distance=78' 14069-6540 RST 680 distance=79' 14041-6337 TDS9083 distance=79' 13462-6417 RST 651 distance=82' 14088-6533 NZO 46 distance=83' 13514-6333 TDS9001 distance=85' 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 13580-6445 HDS1957 313 28.6
Show 14002-6438 TDS9067 199 0.9 16
Show 13587-6510 HDS1960 217 17.8 26
Show 13577-6404 TDS9046 173 2.4 41
Show 13513-6432 RST 660 AB 292 6.2 46
Show 13513-6432 SIN 83 AC 318 26.7 46
Show 13513-6432 SIN 83 AD 38 30.4 46
Show 13509-6452 TDS9000 27 2.0 46
Show 14017-6405 NSN 360 339 30.1 47
Show 14027-6409 RST5581 65 4.1 47
Show 13581-6357 RST 669 194 2.0 49
Show 13517-6415 RST5578 72 4.4 52
Show 14056-6506 TDS9091 152 2.4 53
Show 13583-6538 HJ 4630 AB 312 4.2 54
Show 13583-6538 SHT 28 AC 39 10.1 54
Show 13560-6352 TDS9038 166 0.5 55
Show 14068-6450 B 1749 311 1.2 56
Show 14051-6521 TDS9088 207 0.6 58
Show 13552-6349 RST 666 228 0.5 59
Show 13545-6540 RST 663 73 2.3 60
Show 13538-6539 RST5579 60 4.8 60
Show 13483-6441 HDS1940 250 0.2 63
Show 13525-6353 TDS9013 108 0.5 63
Show 13585-6548 HJ 4632 AB 15 6.5 64
Show 13585-6548 HJ 4632 AC 62 41.3 64
Show 13522-6354 TDS9011 118 2.4 64
Show 13490-6417 RST 659 50 3.4 65
Show 13521-6350 TDS9010 200 0.5 68
Show 14012-6341 LDS 467 120 23.4 68
Show 13569-6553 MLO 54 143 3.9 68
Show 13539-6342 TDS9023 227 0.6 69
Show 14044-6350 RST5582 27 5.0 69
Show 13595-6337 TDS9061 87 4.5 69
Show 13591-6554 MLO 55 194 6.4 69
Show 14024-6340 TDS9076 207 1.0 72
Show 14089-6429 TDS9111 215 0.5 72
Show 13469-6457 WFC 141 80 9.2 72
Show 13593-6333 TDS9058 153 2.2 73
Show 13588-6331 TDS9054 353 0.8 75
Show 13535-6336 TDS9018 218 0.5 76
Show 13473-6415 TDS8965 304 2.8 76
Show 14088-6413 TDS9109 259 0.7 77
Show 13586-6328 TDS9053 42 0.5 78
Show 14054-6344 TDS9090 338 0.6 78
Show 14062-6543 SKF 107 AB 83 4.0 78
Show 14062-6543 SKF 107 Aa,Ab 53 1.0 78
Show 14069-6540 RST 680 57 1.3 79
Show 14041-6337 TDS9083 154 1.7 79
Show 13462-6417 RST 651 261 1.5 82
Show 14088-6533 NZO 46 97 6.2 83
Show 13514-6333 TDS9001 320 0.4 85

 
 
WDS 13580-6445 : COMPONENTS
 
 
  A
B pa=335.2°
sep=21.40"
 
 
13580-6445 A
 
 
Componente originario normalizzato AB Name HD 121520 Coord arcsec 2000 135802.07-644458.5 Mag 9.75
Spectral class B9 (blue-white) PmRA -10.00 PmDE -7.0 HIP 68229
Tycho2 9012-02106-1 HD 121520 CP CP-64 2651
Tycho2
Tycho2 9012-02106-1 Pflag RAmdeg 209.50864016 DEmdeg -64.74958298
PmRA -6.9 PmDE -8.3 E RAmdeg 11 E DEmdeg 11
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.24 EpDEm 1991.27
Num 6 Q RAmdeg 0.5 Q DEmdeg 1.1 Q pmRA 0.6
Q pmDE 1.1 BTmag 9.871 E BTmag 0.020 VTmag 9.749
E VTmag 0.021 Prox 286 TYC T HIP 68229
CCDM A RAdeg 209.50867750 DEdeg -64.74956361 EpRA 1990 1.69
EpDE 1990 1.73 E RAdeg 11.1 E DEdeg 10.9 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 68229 Proxy RAhms 13 58 02.08
DEdms -64 44 58.4 Vmag 9.73 VarFlag 2 R Vmag H
RAdeg 209.509 DEdeg -64.7496 AstroRef A Plx 2.72
CCDM 13580-6445 N CCDM H Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 121520 BD
CD CP CP-64 2651 Dm number -64 2651 VIred 0.12
SpType B8III R SpType Coord arcsec 2000 135802.08-644458.4
Hipparcos 2
HIP 68229 Sn 95 So 3 Nc 1
RArad 3.6566162181 DErad -1.130093087 Plx 1.04 PmRA -11.31
PmDE -7.41 E RArad 1.18 E DErad 1.31 E Plx 2.01
E pmRA 1.44 E pmDE 1.54 Hpmag 9.778 E Hpmag 0.0072
SHp 0.035 VA 0 BV 0.122 E BV 0.025
VI 0.14
CCDM
Ccdm 13580-6445 RComp Comp A Note1
Note2 Discov num DRAs 2.06 DDEs 1.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.7 Sp B8 PmNote *
PmRA -11 PmDE -8 Dm number -64 2651 Cat1 CPD
Name2 Cat2 HD 121520 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 68229
 
 
13580-6445 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 135800.67-644439.1 Mag 10.53 PmRA -10.00
PmDE -7.0 HIP 68223 Tycho2 9012-01984-1 CP CP-64 2649
Calc delta mag 0.78 Calc coord yes
Tycho2
Tycho2 9012-01984-1 Pflag RAmdeg 209.49495852 DEmdeg -64.74419106
PmRA -4.9 PmDE -10.6 E RAmdeg 21 E DEmdeg 21
E pmRA 2.1 E pmDE 2.0 EpRAm 1990.19 EpDEm 1990.19
Num 5 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 10.686 E BTmag 0.031 VTmag 10.530
E VTmag 0.036 Prox 286 TYC T HIP 68223
CCDM B RAdeg 209.49498528 DEdeg -64.74416639 EpRA 1990 1.68
EpDE 1990 1.71 E RAdeg 20.7 E DEdeg 20.5 Posflg
Corr -0.3
Hipparcos
Catalog H HIP 68223 Proxy RAhms 13 57 58.79
DEdms -64 44 39.0 Vmag 10.64 VarFlag 2 R Vmag H
RAdeg 209.495 DEdeg -64.7442 AstroRef B Plx 2.28
CCDM 13580-6445 N CCDM H Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD BD
CD CP CP-64 2649 Dm number -64 2649 VIred 0.29
SpType B9 R SpType Coord arcsec 2000 135758.79-644439.0
Hipparcos 2
HIP 68223 Sn 95 So 3 Nc 1
RArad 3.6563769862 DErad -1.1299988796 Plx -0.92 PmRA -11.77
PmDE -6.61 E RArad 1.63 E DErad 1.96 E Plx 2.84
E pmRA 2.01 E pmDE 2.37 Hpmag 10.724 E Hpmag 0.0124
SHp 0 VA 0 BV 0.214 E BV 0.051
VI 0.24
CCDM
Ccdm 13580-6445 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.22 DDEs 21.0
R dRAs 82 Year 1991 Theta 313 Rho 28.6
Obs 1 Vmag 10.6 Sp B9 PmNote *
PmRA -10 PmDE -7 Dm number -64 2649 Cat1 CPD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 68223