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Doubles in session


Current system
13069-4954
DUN 128
Xi2 Cen


Nearby doubles
29' : 13086-5018
CPO 361

31' : 13097-5009
HDS1840

39' : 13033-4938
WSP 108AB

44' : 13025-5002
CPO 358

45' : 13058-4911
HDS1831

53' : 13043-5041
TDS8677

56' : 13124-4937
CPO 364

59' : 13090-5049
DAM 590

60' : 13053-5051
CVN 88AB

64' : 13091-5054
RST1705AB

66' : 13125-4918
TDS8723

70' : 13003-4929
RST4970

71' : 13042-5100
TDS8674

79' : 13134-5042
I 1227

81' : 13011-5053
RST1700

81' : 12585-5000
TDS8620AB

83' : 13021-5104
TDS8656

84' : 12584-5014
TDS8618

86' : 12583-4931
CPO 355

87' : 13063-4828
HJ 4567AB

87' : 12586-4922
TDS8621

90' : 12599-4856
CPO 357

96' : 13140-4849
RST 628

96' : 13147-4857
HDS1855

96' : 13140-5102
RST2836

97' : 13035-4823
RST5575



Selections
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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.

13069-4954 DUN 128 (Xi2 Cen)

 
 
13h 06m 54.64s -49° 54' 22.5" P.A. 99.00 sep 25.0 mag 4.23,10.09 Sp B1.5V dist. 143.27 pc (467.35 l.y.)
 
 
Coord 2000 13069-4954 Discov num DUN 128 Comp Coord arcsec 2000 13 06 54.64 -49 54 22.5
Date first 1826 Date last 2015 Obs 21
Pa first 100 Pa last 99.2 P.A. Now (θ) 99.2°
Sep first 40.0 Sep last 24.989 Sep. Now (ρ) 24.989"
Mag pri 4.23 Mag sec 10.09 delta mag (ΔM) 5.86 Spectral class B1.5V (blue-white)
Pri motion ra -026 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Xi2 Cen Constellation Centaurus SAO 223909 HIP 64004
Tycho2 8254-02208-1 Gaia DR2 6081542475600377472 HD 113791 HR 4942
GC 17773 CD CD-49 7644 CP CP-49 5733 Bayer Xi 2 Centauri
Bayer name Xi2 Cen FK5 489 Distance 143.27 Distance ly 467.35
Bayer greek ξ2 Cen
 
 
WDS 13069-4954 DUN 128 (Xi2 Cen) : NOTES
 
 
discov_num notes refcode
DUN 128 xi 2 Cen. A is a spectroscopic binary.
 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13069-4954 DUN 128 2007 17 100 25.2 4.23 10.09 B1.5V N D 130654.64-495422.5
13069-4954 DUN 128 2010 20 99 25.0 4.23 10.09 B1.5V N 130654.64-495422.5
13069-4954 DUN 128 2015 21 99 25.0 4.23 10.09 B1.5V N 130654.64-495422.5

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

 
 
WDS 13069-4954 DUN 128 (Xi2 Cen) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13069-4954 DUN 128 (Xi2 Cen) : MEASURES
 
 
No records found.

 
 
WDS 13069-4954 (Xi2 Cen) : VIRTUAL EYEPIECE
 
 

13069-4954 DUN 128A mag 4.23 Sp B1.5V 13069-4954 DUN 128B sep 16.4 P.A. 104.10 mag 10.09 virtual eyepiece
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Radius:
Components only
 
 
WDS 13069-4954 (Xi2 Cen) : ALADIN DSS IMAGE @ 13h 06m 54.64s -49° 54' 22.5"
 
 
 
 
WDS 13069-4954 DUN 128 (Xi2 Cen) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13069-4954 DUN 128 distance=0' 13086-5018 CPO 361 distance=29' 13097-5009 HDS1840 distance=31' 13033-4938 WSP 108AB distance=39' 13033-4938 WSP 108AC distance=39' 13033-4938 WSP 108AD distance=39' 13033-4938 WSP 108AE distance=39' 13033-4938 WSP 108AF distance=39' 13033-4938 WSP 108AG distance=39' 13033-4938 WSP 108AH distance=39' 13033-4938 WSP 108AI distance=39' 13033-4938 WSP 108AJ distance=39' 13033-4938 WSP 108AK distance=39' 13033-4938 WSP 108AL distance=39' 13033-4938 WSP 108AM distance=39' 13025-5002 CPO 358 distance=44' 13058-4911 HDS1831 distance=45' 13043-5041 TDS8677 distance=53' 13124-4937 CPO 364 distance=56' 13090-5049 DAM 590 distance=59' 13053-5051 CVN 88AB distance=60' 13053-5051 CVN 88AC distance=60' 13053-5051 CVN 88AD distance=60' 13053-5051 CVN 88AE distance=60' 13091-5054 RST1705AB distance=64' 13125-4918 TDS8723 distance=66' 13003-4929 RST4970 distance=70' 13042-5100 TDS8674 distance=71' 13134-5042 I 1227 distance=79' 13011-5053 RST1700 distance=81' 12585-5000 TDS8620AB distance=81' 13021-5104 TDS8656 distance=83' 12584-5014 TDS8618 distance=84' 12583-4931 CPO 355 distance=86' 13063-4828 HJ 4567AB distance=87' 13063-4828 SHT 49AC distance=87' 13063-4828 SHT 49AD distance=87' 13063-4828 RIZ 6Aa,Ab distance=87' 13063-4828 RIZ 6AE distance=87' 12586-4922 TDS8621 distance=87' 12599-4856 CPO 357 distance=90' 13140-4849 RST 628 distance=96' 13147-4857 HDS1855 distance=96' 13140-5102 RST2836 distance=96' 13035-4823 RST5575 distance=97' 13093-4820 RST 626 distance=98' 13003-4836 CPO 13 distance=102' 13016-4826 TDS8648 distance=103' 13166-4914 RST5576 distance=103' 13055-4812 CPO 359 distance=104' 13085-5140 RST1703 distance=107' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 13069-4954 DUN 128 99 25.0
Show 13086-5018 CPO 361 193 5.0 29
Show 13097-5009 HDS1840 218 0.6 31
Show 13033-4938 WSP 108 AB 175 5.0 39
Show 13033-4938 WSP 108 AC 155 7.7 39
Show 13033-4938 WSP 108 AD 41 8.8 39
Show 13033-4938 WSP 108 AE 247 8.9 39
Show 13033-4938 WSP 108 AF 35 13.7 39
Show 13033-4938 WSP 108 AG 345 14.6 39
Show 13033-4938 WSP 108 AH 45 18.4 39
Show 13033-4938 WSP 108 AI 66 19.5 39
Show 13033-4938 WSP 108 AJ 98 19.4 39
Show 13033-4938 WSP 108 AK 185 20.9 39
Show 13033-4938 WSP 108 AL 332 23.1 39
Show 13033-4938 WSP 108 AM 323 11.5 39
Show 13025-5002 CPO 358 97 6.6 44
Show 13058-4911 HDS1831 232 6.8 45
Show 13043-5041 TDS8677 202 2.7 53
Show 13124-4937 CPO 364 73 45.6 56
Show 13090-5049 DAM 590 41 9.8 59
Show 13053-5051 CVN 88 AB 39 4.8 60
Show 13053-5051 CVN 88 AC 205 5.5 60
Show 13053-5051 CVN 88 AD 160 7.2 60
Show 13053-5051 CVN 88 AE 143 8.2 60
Show 13091-5054 RST1705 AB 342 2.5 64
Show 13125-4918 TDS8723 131 0.5 66
Show 13003-4929 RST4970 47 0.4 70
Show 13042-5100 TDS8674 122 0.5 71
Show 13134-5042 I 1227 133 0.4 79
Show 13011-5053 RST1700 244 0.6 81
Show 12585-5000 TDS8620 AB 49 0.4 81
Show 13021-5104 TDS8656 259 0.6 83
Show 12584-5014 TDS8618 223 0.7 84
Show 12583-4931 CPO 355 217 4.6 86
Show 13063-4828 HJ 4567 AB 78 11.6 87
Show 13063-4828 SHT 49 AC 267 1.6 87
Show 13063-4828 SHT 49 AD 194 6.3 87
Show 13063-4828 RIZ 6 Aa,Ab 42 0.0 87
Show 13063-4828 RIZ 6 AE 32 37.8 87
Show 12586-4922 TDS8621 313 2.3 87
Show 12599-4856 CPO 357 81 6.0 90
Show 13140-4849 RST 628 7 0.1 96
Show 13147-4857 HDS1855 326 0.6 96
Show 13140-5102 RST2836 18 0.6 96
Show 13035-4823 RST5575 319 4.4 97
Show 13093-4820 RST 626 86 0.4 98
Show 13003-4836 CPO 13 70 5.1 102
Show 13016-4826 TDS8648 204 0.5 103
Show 13166-4914 RST5576 311 6.1 103
Show 13055-4812 CPO 359 198 3.8 104
Show 13085-5140 RST1703 291 2.6 107

 
 
WDS 13069-4954 : COMPONENTS
 
 
  A
B pa=104.1°
sep=16.38"
 
 
13069-4954 A
 
 
Componente originario normalizzato AB Name Xi2 Cen Coord arcsec 2000 130654.64-495422.5 Mag 4.23
Spectral class B1.5V (blue-white) PmRA -26.00 PmDE -13.0 SAO 223909
HIP 64004 Tycho2 8254-02208-1 HD 113791 HR 4942
GC 17773 CD CD-49 7644 CP CP-49 5733 Bayer Xi 2
Bayer name Xi2 FK5 489
Tycho2
Tycho2 8254-02208-1 Pflag RAmdeg 196.72766418 DEmdeg -49.90624735
PmRA -25.8 PmDE -12.7 E RAmdeg 3 E DEmdeg 3
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.39 EpDEm 1991.40
Num 13 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.3
Q pmDE 1.3 BTmag 4.023 E BTmag 0.014 VTmag 4.228
E VTmag 0.009 Prox 250 TYC T HIP 64004
CCDM RAdeg 196.72775611 DEdeg -49.90621806 EpRA 1990 1.73
EpDE 1990 1.70 E RAdeg 3.3 E DEdeg 3.3 Posflg
Corr 0.0
SAO
SAO 223909 DelFlag RA1950 PmRA1950 -0.003
DE1950 PmDE1950 -0.012 Vmag 4.4 SpType B3
Double code Source 74 CatNum 489 DM CD-49 7644
DMcomp BDsup HD 113791 M HD 0
GC 17773 RA1950rad 3.42075464 DE1950rad -0.86636151 PmRA2000 -0.003
PmDE2000 -0.009
Hipparcos
Catalog H HIP 64004 Proxy RAhms 13 06 54.66
DEdms -49 54 22.4 Vmag 4.27 VarFlag 1 R Vmag G
RAdeg 196.728 DEdeg -49.9062 AstroRef Plx 7.92
CCDM 13069-4954 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 113791 BD
CD CD-49 7644 CP CP-49 5733 Dm number -49 7644 VIred -0.18
SpType B1.5V R SpType Coord arcsec 2000 130654.66-495422.4
Hipparcos 2
HIP 64004 Sn 5 So 0 Nc 1
RArad 3.4335471917 DErad -0.8710277838 Plx 6.98 PmRA -26.15
PmDE -12.03 E RArad 0.18 E DErad 0.16 E Plx 0.24
E pmRA 0.23 E pmDE 0.15 Hpmag 4.2058 E Hpmag 0.0008
SHp 0.006 VA 0 BV -0.182 E BV 0.003
VI -0.18
CCDM
Ccdm 13069-4954 RComp Comp A Note1
Note2 Discov num DRAs 0.61 DDEs -22.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.4 Sp B3 PmNote *
PmRA -29 PmDE -12 Dm number -49 7644 Cat1 CD
Name2 223909 Cat2 SAO HD 113791 M HD
ADS BDS M ADS BDS N IDS IDS 13011S4922A
HIC 64004
 
 
13069-4954 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 130656.28-495426.5 Mag 10.09 Calc delta mag 5.86
Calc coord yes
CCDM
Ccdm 13069-4954 RComp Comp B Note1
Note2 Discov num DUN 128 DRAs 3.19 DDEs -26.6
R dRAs 91 Year 1836 Theta 100 Rho 25.1
Obs 10 Vmag 9.5 Sp PmNote
PmRA -29 PmDE -12 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 13011S4922B
HIC