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Doubles in session


Current system
12118-5306
HDS 1722 AB
HD 105974


Nearby doubles
8' : 12111-5302
HU 1604

26' : 12095-5320
I 899

41' : 12082-5241
TDS8241

44' : 12117-5222
RIZ 2

44' : 12118-5349
RST2784

51' : 12070-5332
TDS8227

53' : 12166-5336
TDS8298

53' : 12112-5213
R 192AB

56' : 12065-5238
RST 574

58' : 12076-5349
TDS8233

59' : 12161-5350
TDS8292

61' : 12052-5252
TDS8218

62' : 12069-5347
RST2779

66' : 12053-5334
KPP3862

67' : 12087-5406
BRT2069

75' : 12182-5218
I 1220

76' : 12049-5224
RST5574AB

77' : 12048-5224
DAM 570

77' : 12040-5336
DAM 567AB

78' : 12043-5229
DAM 569AB

78' : 12046-5223
RST 572

78' : 12053-5357
TDS8220

78' : 12108-5148
RST1651

79' : 12047-5221
JNN 166AB

79' : 12193-5346
RST2791

79' : 12037-5336
DAM 566



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

12118-5306 HDS 1722 AB (HD 105974)

 
 
12h 11m 48.36s -53° 05' 35.5" P.A. 175.00 sep 0.8 mag 8.34,9.34 Sp K2/K3III dist. 333.33 pc (1087.32 l.y.)
 
 
Coord 2000 12118-5306 Discov num HDS1722 Comp AB Coord arcsec 2000 12 11 48.36 -53 05 35.5
Date first 1991 Date last 2021 Obs 3
Pa first 201 Pa last 175.2 P.A. Now (θ) 175.2°
Sep first 0.1 Sep last 0.83 Sep. Now (ρ) 0.83"
Mag pri 8.34 Mag sec 9.34 delta mag (ΔM) 1 Spectral class K2/K3III (yellow-orange)
Pri motion ra -025 Sec motion ra
Pri motion dec +005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
12118-5306 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 239740 12 11 48 -53 05 36 HDS 1722 Aa,Ab 2021 1 33 0.1 8.50 10.40 1.90
Show HD 105974 239740 12 11 48 -53 05 36 HDS 1722 AB 2021 3 175 0.8 8.34 9.34 1.00 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 105974 Constellation Centaurus SAO 239740 HIP 59464
Tycho2 8632-00041-1 HD 105974 CP CP-52 5317 Distance 333.33
Distance ly 1087.32
 
 
WDS 12118-5306 HDS 1722 AB (HD 105974) : 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
12118-5306 HDS1722 AB 1991 1 201 0.1 8.34 9.34 K2/K3III 121148.36-530535.5
12118-5306 HDS1722 AB 2021 3 175 0.8 8.34 9.34 K2/K3III 121148.36-530535.5

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

 
 
WDS 12118-5306 HDS 1722 AB (HD 105974) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12118-5306 HDS 1722 AB (HD 105974) : MEASURES
 
 
No records found.

 
 
WDS 12118-5306 (HD 105974) : VIRTUAL EYEPIECE
 
 

12118-5306 HDS1722A mag 8.34 Sp K2/K3III 12118-5306 HDS1722Ab mag 10.4 12118-5306 HDS1722B sep 0.8 P.A. 177.10 mag 9.34 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 12118-5306 (HD 105974) : ALADIN DSS IMAGE @ 12h 11m 48.36s -53° 05' 35.5"
 
 
 
 
WDS 12118-5306 HDS 1722 AB (HD 105974) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12118-5306 HDS1722AB distance=0' 12111-5302 HU 1604 distance=8' 12095-5320 I 899 distance=26' 12082-5241 TDS8241 distance=41' 12117-5222 RIZ 2 distance=44' 12118-5349 RST2784 distance=44' 12070-5332 TDS8227 distance=51' 12166-5336 TDS8298 distance=53' 12112-5213 R 192AB distance=53' 12112-5213 KOU 6AC distance=53' 12065-5238 RST 574 distance=56' 12076-5349 TDS8233 distance=58' 12161-5350 TDS8292 distance=59' 12052-5252 TDS8218 distance=61' 12069-5347 RST2779 distance=62' 12053-5334 KPP3862 distance=66' 12087-5406 BRT2069 distance=67' 12182-5218 I 1220 distance=75' 12049-5224 RST5574AB distance=76' 12049-5224 SIN 70AC distance=76' 12048-5224 DAM 570 distance=77' 12040-5336 DAM 567AB distance=77' 12040-5336 DAM 567AC distance=77' 12043-5229 DAM 569AB distance=78' 12046-5223 RST 572 distance=78' 12053-5357 TDS8220 distance=78' 12108-5148 RST1651 distance=78' 12047-5221 JNN 166AB distance=79' 12047-5221 JNN 166AC distance=79' 12193-5346 RST2791 distance=79' 12037-5336 DAM 566 distance=79' 12033-5325 RST1635AB distance=80' 12033-5325 DAM 565AB,C distance=80' 12033-5325 DAM 565AB,D distance=80' 12043-5225 DAM 568BC distance=80' 12043-5225 DAM 568AB distance=80' 12098-5147 I 216 distance=81' 12203-5242 BRT2072 distance=82' 12034-5338 RST1636 distance=83' 12148-5146 LDS 394 distance=85' 12031-5236 TDS8193 distance=85' 12209-5333 LDS 404 distance=86' 12053-5407 LDS 382 distance=86' 12032-5343 DAM 517 distance=86' 12213-5250 WSP 87AB distance=88' 12213-5250 WSP 87AC distance=88' 12213-5250 WSP 87AD distance=88' 12213-5250 WSP 87AE distance=88' 12213-5250 WSP 87AF distance=88' 12213-5250 WSP 87AG distance=88' 12213-5250 WSP 87AH distance=88' 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 12118-5306 HDS1722 AB 175 0.8
Show 12118-5306 HDS1722 Aa,Ab 33 0.1
Show 12111-5302 HU 1604 39 0.2 8
Show 12095-5320 I 899 258 1.6 26
Show 12082-5241 TDS8241 1 1.7 41
Show 12117-5222 RIZ 2 348 0.1 44
Show 12118-5349 RST2784 294 4.4 44
Show 12070-5332 TDS8227 175 1.0 51
Show 12166-5336 TDS8298 27 0.5 53
Show 12112-5213 R 192 AB 100 3.2 53
Show 12112-5213 KOU 6 AC 251 6.9 53
Show 12065-5238 RST 574 61 0.8 56
Show 12076-5349 TDS8233 262 1.4 58
Show 12161-5350 TDS8292 105 0.6 59
Show 12052-5252 TDS8218 85 2.9 61
Show 12069-5347 RST2779 117 3.7 62
Show 12053-5334 KPP3862 322 44.0 66
Show 12087-5406 BRT2069 47 6.2 67
Show 12182-5218 I 1220 305 0.2 75
Show 12049-5224 RST5574 AB 143 8.6 76
Show 12049-5224 SIN 70 AC 278 46.7 76
Show 12048-5224 DAM 570 9 7.5 77
Show 12040-5336 DAM 567 AB 97 6.6 77
Show 12040-5336 DAM 567 AC 311 7.1 77
Show 12043-5229 DAM 569 AB 118 3.3 78
Show 12046-5223 RST 572 228 3.0 78
Show 12053-5357 TDS8220 62 0.5 78
Show 12108-5148 RST1651 7 0.7 78
Show 12047-5221 JNN 166 AB 258 4.2 79
Show 12047-5221 JNN 166 AC 234 0.3 79
Show 12193-5346 RST2791 24 0.4 79
Show 12037-5336 DAM 566 36 6.3 79
Show 12033-5325 RST1635 AB 351 1.6 80
Show 12033-5325 DAM 565 AB,C 253 7.4 80
Show 12033-5325 DAM 565 AB,D 248 12.0 80
Show 12043-5225 DAM 568 BC 131 6.3 80
Show 12043-5225 DAM 568 AB 41 10.0 80
Show 12098-5147 I 216 27 1.0 81
Show 12203-5242 BRT2072 37 2.6 82
Show 12034-5338 RST1636 230 1.4 83
Show 12148-5146 LDS 394 187 23.9 85
Show 12031-5236 TDS8193 333 1.8 85
Show 12209-5333 LDS 404 246 30.5 86
Show 12053-5407 LDS 382 36 27.8 86
Show 12032-5343 DAM 517 20 7.9 86
Show 12213-5250 WSP 87 AB 202 4.1 88
Show 12213-5250 WSP 87 AC 241 5.6 88
Show 12213-5250 WSP 87 AD 141 8.1 88
Show 12213-5250 WSP 87 AE 280 11.9 88
Show 12213-5250 WSP 87 AF 9 12.3 88
Show 12213-5250 WSP 87 AG 311 14.3 88

 
 
WDS 12118-5306 : COMPONENTS
 
 
  A Ab
Ab pa=21.5°
sep=0.05"
 
B pa=177.1°
sep=0.83"
pa=178.4°
sep=0.87"
 
 
12118-5306 A
 
 
Name HD 105974 Coord arcsec 2000 121148.36-530535.5 Mag 8.34 Spectral class K2/K3III (yellow-orange)
PmRA -25.00 PmDE 5.0 SAO 239740 HIP 59464
Tycho2 8632-00041-1 HD 105974 CP CP-52 5317
Tycho2
Tycho2 8632-00041-1 Pflag RAmdeg 182.95140659 DEmdeg -53.09318851
PmRA -23.6 PmDE 5.9 E RAmdeg 6 E DEmdeg 6
E pmRA 1.4 E pmDE 1.1 EpRAm 1991.10 EpDEm 1990.88
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.4 BTmag 9.683 E BTmag 0.020 VTmag 8.015
E VTmag 0.011 Prox 999 TYC T HIP 59464
CCDM AB RAdeg 182.95149722 DEdeg -53.09320167 EpRA 1990 1.69
EpDE 1990 1.74 E RAdeg 5.8 E DEdeg 5.6 Posflg P
Corr -0.3
SAO
SAO 239740 DelFlag RA1950 PmRA1950 -0.0022
DE1950 PmDE1950 -0.008 Vmag 7.8 SpType K2
Double code Source 42 CatNum 4584 DM CP-52 5317
DMcomp BDsup HD 105974 M HD 0
GC RA1950rad 3.18163945 DE1950rad -0.92179957 PmRA2000 -0.0023
PmDE2000 -0.005
Hipparcos
Catalog H HIP 59464 Proxy H RAhms 12 11 48.36
DEdms -53 05 35.5 Vmag 7.83 VarFlag R Vmag H
RAdeg 182.951 DEdeg -53.0932 AstroRef * Plx 1.86
CCDM 12118-5306 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual C M HIP AB
Theta 201 Rho 0.135 HD 105974 BD
CD CP CP-52 5317 Dm number -52 5317 VIred 1.36
SpType K2/K3III R SpType Coord arcsec 2000 121148.36-530535.5
Hipparcos 2
HIP 59464 Sn 55 So 3 Nc 2
RArad 3.193105991 DErad -0.9266512013 Plx 3 PmRA -24.91
PmDE 5.27 E RArad 0.57 E DErad 0.63 E Plx 1.04
E pmRA 0.83 E pmDE 0.68 Hpmag 7.9721 E Hpmag 0.0015
SHp 0.015 VA 0 BV 1.389 E BV 0.015
VI 1.36
CCDM
Ccdm 12118-5306 RComp Comp A Note1
Note2 Discov num DRAs 0.34 DDEs 24.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.3 Sp K2 PmNote *
PmRA -25 PmDE 5 Dm number -52 5317 Cat1 CPD
Name2 239740 Cat2 SAO HD 105974 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 59464
 
 
12118-5306 Ab
 
 
Coord arcsec 2000 121148.36-530535.5 Mag 10.4 Calc delta mag 1.9 Calc coord yes
 
 
12118-5306 B
 
 
Coord arcsec 2000 121148.36-530536.3 Mag 9.34 Calc delta mag 0.84 Calc coord yes
CCDM
Ccdm 12118-5306 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.33 DDEs 24.4
R dRAs 82 Year 1991 Theta 201 Rho 0.1
Obs 1 Vmag 9.3 Sp PmNote *
PmRA -25 PmDE 5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 59464