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Doubles in session


Current system
12347-4440
B 1718 AB
HD 109409


Nearby doubles
12' : 12348-4429
KPP3032

37' : 12315-4429
TDS8421

45' : 12312-4415
WFC 127

49' : 12392-4446
HJ 4536

55' : 12316-4358
SKF 893

55' : 12387-4406
BRT 811

58' : 12349-4538
ZUC 4

63' : 12300-4518
UC 2349

71' : 12324-4546
TDS8428

74' : 12413-4418
DON 545

77' : 12336-4556
BRT 810

78' : 12412-4406
UC 2384

79' : 12327-4325
TDS 668

91' : 12420-4354
SKF1122

92' : 12405-4333
TDS8483

93' : 12276-4350
CPO 57AB

99' : 12317-4307
TDS8423

100' : 12360-4619
DON 540

101' : 12440-4459
HU 1496

105' : 12413-4559
BRT 812

106' : 12251-4417
DON1099

106' : 12305-4305
DON 533

107' : 12360-4255
TDS8453

110' : 12355-4251
TDS8450

112' : 12349-4248
GKM9287AB

113' : 12246-4409
KPP1900



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12347-4440 B 1718 AB (HD 109409)

 
 
12h 34m 42.39s -44° 40' 22.9" sep 1.0 mag 5.60,12.30 Sp G1V dist. 28.32 pc (92.38 l.y.)
 
 
Coord 2000 12347-4440 Discov num B  1718 Comp AB Coord arcsec 2000 12 34 42.39 -44 40 22.9
Date first 1929 Date last 1929 Obs 1
Pa first 0 Pa last 0.3 P.A. Now (θ) 0.3°
Sep first 1.0 Sep last 0.99 Sep. Now (ρ) 0.99"
Mag pri 5.60 Mag sec 12.30 delta mag (ΔM) 6.7 Spectral class G1V (yellow)
Pri motion ra -077 Sec motion ra
Pri motion dec -204 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
12347-4440 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 109409 223527 12 34 42 -44 40 23 B 1718 AB 1929 1 0 1.0 5.60 12.30 6.70 <===
Show 223527 12 34 42 -44 40 23 NSN 406 AC 2016 4 56 38.1 5.60 16.20 10.60
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 109409 Constellation Centaurus SAO 223527 HIP 61379
Tycho2 7770-02412-1 HD 109409 HR 4788 CD CD-43 7755
CP CP-43 5828 Distance 28.32 Distance ly 92.38
 
 
WDS 12347-4440 B 1718 AB (HD 109409) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
12347-4440 B 1718 AB 1929 1 0 1.0 5.77 12.30 G1V -43 7755 123442.46-444021.1

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

 
 
WDS 12347-4440 B 1718 AB (HD 109409) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12347-4440 B 1718 AB (HD 109409) : MEASURES
 
 
No records found.

 
 
WDS 12347-4440 (HD 109409) : VIRTUAL EYEPIECE
 
 

12347-4440 B 1718A mag 5.6 Sp G1V 12347-4440 B 1718B sep 1.0 P.A. 0.30 mag 12.3 12347-4440 NSN 406C sep 38.1 P.A. 56.20 mag 16.2 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 12347-4440 (HD 109409) : ALADIN DSS IMAGE @ 12h 34m 42.39s -44° 40' 22.9"
 
 
 
 
WDS 12347-4440 B 1718 AB (HD 109409) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12347-4440 B 1718AB distance=0' 12348-4429 KPP3032 distance=12' 12315-4429 TDS8421 distance=37' 12312-4415 WFC 127 distance=45' 12392-4446 HJ 4536 distance=49' 12316-4358 SKF 893 distance=55' 12387-4406 BRT 811 distance=55' 12349-4538 ZUC 4 distance=58' 12300-4518 UC 2349 distance=63' 12324-4546 TDS8428 distance=71' 12413-4418 DON 545 distance=74' 12336-4556 BRT 810 distance=77' 12412-4406 UC 2384 distance=78' 12327-4325 TDS 668 distance=79' 12420-4354 SKF1122 distance=91' 12405-4333 TDS8483 distance=92' 12276-4350 CPO 57AB distance=93' 12276-4350 B 9019AC distance=93' 12276-4350 B 9019AD distance=93' 12317-4307 TDS8423 distance=99' 12360-4619 DON 540 distance=100' 12440-4459 HU 1496 distance=101' 12413-4559 BRT 812 distance=105' 12251-4417 DON1099 distance=106' 12305-4305 DON 533 distance=106' 12360-4255 TDS8453 distance=107' 12355-4251 TDS8450 distance=110' 12349-4248 GKM9287AB distance=112' 12246-4409 KPP1900 distance=113' 12395-4259 HU 1494 distance=114' 12455-4507 UC 2398 distance=118' 12269-4605 TDS8386 distance=118' 12236-4442 COO 136 distance=119' 12305-4634 DON 532 distance=123' 12264-4316 HDS1750 distance=124' 12451-4345 DON 552 distance=126' 12267-4619 DON 526 distance=130' 12362-4650 RST5526 distance=131' 12418-4629 DON 546 distance=132' 12455-4552 HDS1789Aa,Ab distance=135' 12455-4552 DON 554AB distance=135' 12474-4440 TVB 257 distance=135' 12282-4245 KPP1271 distance=136' 12218-4452 B 1210 distance=139' 12415-4642 TDS8488 distance=142' 12331-4703 RST3796 distance=144' 12236-4606 WIS 200 distance=145' 12362-4705 TDS 671 distance=146' 12474-4347 UC 2406 distance=147' 12264-4244 DON1100 distance=147' 12246-4623 BRT 808 distance=148' 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 12347-4440 B 1718 AB 0 1.0 0
Show 12347-4440 NSN 406 AC 56 38.1 0
Show 12348-4429 KPP3032 53 4.8 12
Show 12315-4429 TDS8421 207 1.2 37
Show 12312-4415 WFC 127 174 6.4 45
Show 12392-4446 HJ 4536 103 17.0 49
Show 12316-4358 SKF 893 101 16.8 55
Show 12387-4406 BRT 811 99 4.6 55
Show 12349-4538 ZUC 4 309 0.6 58
Show 12300-4518 UC 2349 231 59.6 63
Show 12324-4546 TDS8428 170 0.8 71
Show 12413-4418 DON 545 89 1.8 74
Show 12336-4556 BRT 810 279 5.3 77
Show 12412-4406 UC 2384 238 20.1 78
Show 12327-4325 TDS 668 354 1.2 79
Show 12420-4354 SKF1122 156 27.3 91
Show 12405-4333 TDS8483 74 0.4 92
Show 12276-4350 CPO 57 AB 269 8.9 93
Show 12276-4350 B 9019 AC 34 21.4 93
Show 12276-4350 B 9019 AD 62 54.1 93
Show 12317-4307 TDS8423 142 0.5 99
Show 12360-4619 DON 540 272 0.6 100
Show 12440-4459 HU 1496 308 2.6 101
Show 12413-4559 BRT 812 290 4.0 105
Show 12251-4417 DON1099 263 4.7 106
Show 12305-4305 DON 533 215 3.2 106
Show 12360-4255 TDS8453 55 2.5 107
Show 12355-4251 TDS8450 338 0.7 110
Show 12349-4248 GKM9287 AB 182 1.5 112
Show 12246-4409 KPP1900 134 14.9 113
Show 12395-4259 HU 1494 151 1.5 114
Show 12455-4507 UC 2398 172 36.3 118
Show 12269-4605 TDS8386 178 0.9 118
Show 12236-4442 COO 136 273 2.4 119
Show 12305-4634 DON 532 70 4.0 123
Show 12264-4316 HDS1750 41 0.1 124
Show 12451-4345 DON 552 236 0.6 126
Show 12267-4619 DON 526 51 2.0 130
Show 12362-4650 RST5526 122 0.3 131
Show 12418-4629 DON 546 173 1.9 132
Show 12455-4552 HDS1789 Aa,Ab 10 0.1 135
Show 12455-4552 DON 554 AB 313 1.3 135
Show 12474-4440 TVB 257 234 5.7 135
Show 12282-4245 KPP1271 319 9.7 136
Show 12218-4452 B 1210 62 0.6 139
Show 12415-4642 TDS8488 231 0.5 142
Show 12331-4703 RST3796 22 6.8 144
Show 12236-4606 WIS 200 224 999.9 145
Show 12362-4705 TDS 671 18 0.9 146
Show 12474-4347 UC 2406 69 15.9 147
Show 12264-4244 DON1100 49 8.2 147

 
 
WDS 12347-4440 : COMPONENTS
 
 
  A B
B pa=0.3°
sep=0.99"
 
C pa=56.2°
sep=38.14"
pa=57.4°
sep=37.60"
 
 
12347-4440 A
 
 
Name HD 109409 Coord arcsec 2000 123442.39-444022.9 Mag 5.6 Spectral class G1V (yellow)
PmRA -77.00 PmDE -204.0 Tycho2 7770-02412-1
Tycho2
Tycho2 7770-02412-1 Pflag RAmdeg 188.67663834 DEmdeg -44.67301793
PmRA -77.6 PmDE -205.5 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.53 EpDEm 1991.40
Num 13 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 6.592 E BTmag 0.014 VTmag 5.839
E VTmag 0.009 Prox 999 TYC T HIP 61379
CCDM RAdeg 188.67688694 DEdeg -44.67254194 EpRA 1990 1.79
EpDE 1990 1.66 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.0
CCDM
Ccdm 12347-4440 RComp Comp A Note1
Note2 Discov num DRAs 0.38 DDEs -23.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.9 Sp G5 PmNote *
PmRA -83 PmDE -220 Dm number -43 7755 Cat1 CD
Name2 223527 Cat2 SAO HD 109409 M HD
ADS BDS M ADS BDS N IDS IDS 12293S4407A
HIC 61379
 
 
12347-4440 B
 
 
Coord arcsec 2000 123442.39-444021.9 Mag 12.3 Delta magnitude 6.7 Coordinate calculated yes
CCDM
Ccdm 12347-4440 RComp Comp B Note1
Note2 Discov num B 1718 DRAs DDEs
R dRAs Year 1929 Theta 000 Rho 1.0
Obs 1 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12293S4407B
HIC 61379
 
 
12347-4440 C
 
 
Coord arcsec 2000 123445.36-444001.7 Mag 16.2 PmRA -79.00 PmDE -201.0
Delta magnitude 10.6 Coordinate calculated yes