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Doubles in session


Current system
12317-4307
TDS 8423
HD 108993


Nearby doubles
14' : 12305-4305
DON 533

21' : 12327-4325
TDS 668

45' : 12282-4245
KPP1271

46' : 12355-4251
TDS8450

49' : 12360-4255
TDS8453

51' : 12316-4358
SKF 893

58' : 12264-4316
HDS1750

63' : 12264-4244
DON1100

63' : 12276-4350
CPO 57AB

69' : 12312-4415
WFC 127

80' : 12298-4151
TDS8411

82' : 12302-4148
TDS8414

82' : 12315-4429
TDS8421

85' : 12326-4144
SKF 894

87' : 12395-4259
HU 1494

88' : 12348-4429
KPP3032

97' : 12387-4406
BRT 811

98' : 12313-4130
I 82

98' : 12246-4409
KPP1900

99' : 12347-4440
B 1718AB

100' : 12405-4333
TDS8483

101' : 12251-4417
DON1099

109' : 12219-4250
CPO 348

116' : 12223-4216
RST1663

119' : 12412-4406
UC 2384

121' : 12208-4327
TDS8343



Selections
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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.

12317-4307 TDS 8423 (HD 108993)

 
 
12h 31m 41.23s -43° 07' 25.4" P.A. 142.00 sep 0.5 mag 10.93,10.95 Sp G8III:
 
 
Coord 2000 12317-4307 Discov num TDS8423 Comp Coord arcsec 2000 12 31 41.23 -43 07 25.4
Date first 1991 Date last 1991 Obs 1
Pa first 142 Pa last 142 P.A. Now (θ) 142°
Sep first 0.5 Sep last 0.46 Sep. Now (ρ) 0.46"
Mag pri 10.93 Mag sec 10.95 delta mag (ΔM) 0.02 Spectral class G8III: (yellow)
Pri motion ra +014 Sec motion ra +014
Pri motion dec +002 Sec motion dec +002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 108993 Constellation Centaurus Tycho2 7766-00411-1 Gaia DR2 6145403549745419520
HD 108993
 
 
WDS 12317-4307 TDS 8423 (HD 108993) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho 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
12317-4307 TDS8423 1991 1 142 0.5 10.93 10.95 123141.23-430725.4

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

 
 
WDS 12317-4307 TDS 8423 (HD 108993) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12317-4307 TDS 8423 (HD 108993) : MEASURES
 
 
No records found.

 
 
WDS 12317-4307 (HD 108993) : VIRTUAL EYEPIECE
 
 

12317-4307 TDS8423A mag 10.93 Sp G8III: 12317-4307 TDS8423B sep 0.4 P.A. 150.30 mag 10.95 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12317-4307 (HD 108993) : ALADIN DSS IMAGE @ 12h 31m 41.23s -43° 07' 25.4"
 
 
 
 
WDS 12317-4307 TDS 8423 (HD 108993) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12317-4307 TDS8423 distance=0' 12305-4305 DON 533 distance=14' 12327-4325 TDS 668 distance=21' 12282-4245 KPP1271 distance=45' 12355-4251 TDS8450 distance=46' 12360-4255 TDS8453 distance=49' 12316-4358 SKF 893 distance=51' 12264-4316 HDS1750 distance=58' 12264-4244 DON1100 distance=63' 12276-4350 CPO 57AB distance=63' 12276-4350 B 9019AC distance=63' 12276-4350 B 9019AD distance=63' 12312-4415 WFC 127 distance=69' 12298-4151 TDS8411 distance=80' 12302-4148 TDS8414 distance=82' 12315-4429 TDS8421 distance=82' 12326-4144 SKF 894 distance=85' 12395-4259 HU 1494 distance=87' 12348-4429 KPP3032 distance=88' 12387-4406 BRT 811 distance=97' 12313-4130 I 82 distance=98' 12246-4409 KPP1900 distance=98' 12347-4440 B 1718AB distance=99' 12347-4440 NSN 406AC distance=99' 12405-4333 TDS8483 distance=100' 12251-4417 DON1099 distance=101' 12219-4250 CPO 348 distance=109' 12223-4216 RST1663 distance=116' 12412-4406 UC 2384 distance=119' 12208-4327 TDS8343 distance=121' 12300-4108 RST1673 distance=122' 12211-4234 I 1221 distance=122' 12420-4354 SKF1122 distance=122' 12262-4117 UC 2336 distance=126' 12413-4418 DON 545 distance=126' 12392-4446 HJ 4536 distance=128' 12210-4400 KPP1074 distance=128' 12236-4442 COO 136 distance=129' 12247-4123 HJ 4518 distance=130' 12300-4518 UC 2349 distance=132' 12298-4050 RST1672 distance=139' 12212-4151 TDS8348 distance=140' 12443-4248 DON 549 distance=140' 12184-4245 CPO 346 distance=148' 12182-4251 DAM1244 distance=150' 12218-4452 B 1210 distance=150' 12451-4345 DON 552 distance=152' 12373-4049 R 203 distance=153' 12448-4218 TDS8511 distance=153' 12349-4538 ZUC 4 distance=155' 12175-4257 CPO 345 distance=156' 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 12317-4307 TDS8423 142 0.5
Show 12305-4305 DON 533 215 3.2 14
Show 12327-4325 TDS 668 354 1.2 21
Show 12282-4245 KPP1271 319 9.7 45
Show 12355-4251 TDS8450 338 0.7 46
Show 12360-4255 TDS8453 55 2.5 49
Show 12316-4358 SKF 893 101 16.8 51
Show 12264-4316 HDS1750 41 0.1 58
Show 12264-4244 DON1100 49 8.2 63
Show 12276-4350 CPO 57 AB 269 8.9 63
Show 12276-4350 B 9019 AC 34 21.4 63
Show 12276-4350 B 9019 AD 62 54.1 63
Show 12312-4415 WFC 127 174 6.4 69
Show 12298-4151 TDS8411 17 0.6 80
Show 12302-4148 TDS8414 262 0.5 82
Show 12315-4429 TDS8421 207 1.2 82
Show 12326-4144 SKF 894 210 99.5 85
Show 12395-4259 HU 1494 151 1.5 87
Show 12348-4429 KPP3032 53 4.8 88
Show 12387-4406 BRT 811 99 4.6 97
Show 12313-4130 I 82 13 0.7 98
Show 12246-4409 KPP1900 134 14.9 98
Show 12347-4440 B 1718 AB 1.0 99
Show 12347-4440 NSN 406 AC 56 38.1 99
Show 12405-4333 TDS8483 74 0.4 100
Show 12251-4417 DON1099 263 4.7 101
Show 12219-4250 CPO 348 137 3.6 109
Show 12223-4216 RST1663 345 0.1 116
Show 12412-4406 UC 2384 238 20.1 119
Show 12208-4327 TDS8343 327 0.8 121
Show 12300-4108 RST1673 153 0.9 122
Show 12211-4234 I 1221 82 1.7 122
Show 12420-4354 SKF1122 156 27.3 122
Show 12262-4117 UC 2336 218 9.9 126
Show 12413-4418 DON 545 89 1.8 126
Show 12392-4446 HJ 4536 103 17.0 128
Show 12210-4400 KPP1074 83 8.5 128
Show 12236-4442 COO 136 273 2.4 129
Show 12247-4123 HJ 4518 208 10.0 130
Show 12300-4518 UC 2349 231 59.6 132
Show 12298-4050 RST1672 163 2.7 139
Show 12212-4151 TDS8348 184 0.5 140
Show 12443-4248 DON 549 201 1.7 140
Show 12184-4245 CPO 346 22 3.8 148
Show 12182-4251 DAM1244 179 8.5 150
Show 12218-4452 B 1210 62 0.6 150
Show 12451-4345 DON 552 236 0.6 152
Show 12373-4049 R 203 181 8.4 153
Show 12448-4218 TDS8511 138 0.4 153
Show 12349-4538 ZUC 4 309 0.6 155
Show 12175-4257 CPO 345 188 11.2 156

 
 
WDS 12317-4307 : COMPONENTS
 
 
  A
B pa=150.3°
sep=0.42"
 
 
12317-4307 A
 
 
Componente originario normalizzato AB Name HD 108993 Coord arcsec 2000 123141.23-430725.4 Mag 10.93
Spectral class G8III: (yellow) PmRA 14.00 PmDE 2.0 Tycho2 7766-00411-1
HD 108993
Tycho2
Tycho2 7766-00411-1 Pflag RAmdeg 187.92183387 DEmdeg -43.12376205
PmRA 13.6 PmDE 1.6 E RAmdeg 20 E DEmdeg 20
E pmRA 1.3 E pmDE 1.3 EpRAm 1985.14 EpDEm 1984.37
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.4 BTmag 11.591 E BTmag 0.051 VTmag 10.296
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 187.92179000 DEdeg -43.12376500 EpRA 1990 1.85
EpDE 1990 1.71 E RAdeg 21.6 E DEdeg 22.9 Posflg
Corr 0.0
 
 
12317-4307 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123141.25-430725.8 Mag 10.95 PmRA 14.00
PmDE 2.0 Calc delta mag 0.02 Calc coord yes