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Current system
17232-5313
TDT 331
HD 156939


Nearby doubles
37' : 17193-5323
DUN 215AB

43' : 17243-5354
KPP 397

45' : 17254-5233
LPO 62

47' : 17279-5253
KPP4039AB

50' : 17214-5226
B 2833AB

53' : 17182-5245
B 1854

58' : 17180-5347
RST3083

61' : 17239-5413
TDS 864

64' : 17303-5308
RST3101

70' : 17303-5341
TDT 387

70' : 17280-5218
HDO 272AB

74' : 17171-5403
CPO 517

74' : 17221-5200
KPP3000

77' : 17195-5422
HJ 4930

79' : 17261-5159
BRT 965

79' : 17239-5154
HJ 4941

86' : 17306-5220
RST3104

86' : 17164-5213
TDT 295

87' : 17299-5416
CVN 102AB

89' : 17134-5306
B 2406

89' : 17308-5410
TDT 391

93' : 17133-5340
FIN 52

94' : 17149-5218
B 1852

94' : 17162-5203
RST 912

95' : 17262-5142
CPO 525

99' : 17303-5159
RST 931



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

17232-5313 TDT 331 (HD 156939)

 
 
17h 23m 12.17s -53° 12' 30.9" P.A. 94.00 sep 0.4 mag 9.56,10.17 Sp M3III:
 
 
Coord 2000 17232-5313 Discov num TDT 331 Comp Coord arcsec 2000 17 23 12.17 -53 12 30.9
Date first 1991 Date last 1991 Obs 1
Pa first 94 Pa last 93.6 P.A. Now (θ) 93.6°
Sep first 0.4 Sep last 0.4 Sep. Now (ρ) 0.4"
Mag pri 9.56 Mag sec 10.17 delta mag (ΔM) 0.61 Spectral class M3III: (red)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -018 Sec motion dec -018
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156939 Constellation Ara SAO 244691 Tycho2 8728-00356-1
Gaia DR2 5924778265252906112 HD 156939 DM CP-53 8572
 
 
WDS 17232-5313 TDT 331 (HD 156939) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17232-5313 TDT 331 1991 1 94 0.4 9.56 10.17 172312.17-531230.9

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

 
 
WDS 17232-5313 TDT 331 (HD 156939) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17232-5313 TDT 331 (HD 156939) : MEASURES
 
 
No records found.

 
 
WDS 17232-5313 (HD 156939) : VIRTUAL EYEPIECE
 
 

17232-5313 TDT 331A mag 9.56 Sp M3III: 17232-5313 TDT 331B sep 0.2 P.A. 96.00 mag 10.17 virtual eyepiece
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Radius:
Components only
 
 
WDS 17232-5313 (HD 156939) : ALADIN DSS IMAGE @ 17h 23m 12.17s -53° 12' 30.9"
 
 
 
 
WDS 17232-5313 TDT 331 (HD 156939) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17232-5313 TDT 331 distance=0' 17193-5323 DUN 215CD distance=36' 17193-5323 DUN 215AB distance=37' 17193-5323 DUN 215AC distance=37' 17243-5354 KPP 397 distance=43' 17254-5233 LPO 62 distance=45' 17279-5253 KPP4039AB distance=47' 17214-5226 B 2833AB distance=50' 17214-5226 B 2833BC distance=50' 17182-5245 B 1854 distance=53' 17180-5347 RST3083 distance=58' 17239-5413 TDS 864 distance=61' 17303-5308 RST3101 distance=64' 17303-5341 TDT 387 distance=70' 17280-5218 HDO 272AB distance=70' 17280-5218 HDO 272AC distance=70' 17171-5403 CPO 517 distance=74' 17221-5200 KPP3000 distance=74' 17195-5422 HJ 4930 distance=77' 17261-5159 BRT 965 distance=79' 17239-5154 HJ 4941 distance=79' 17306-5220 RST3104 distance=86' 17164-5213 TDT 295 distance=86' 17299-5416 CVN 102AB distance=87' 17299-5416 CVN 102AC distance=87' 17299-5416 CVN 102AD distance=87' 17299-5416 CVN 102AE distance=87' 17299-5416 CVN 102AF distance=87' 17134-5306 B 2406 distance=89' 17308-5410 TDT 391 distance=89' 17133-5340 FIN 52 distance=93' 17149-5218 B 1852 distance=94' 17162-5203 RST 912 distance=94' 17262-5142 CPO 525 distance=95' 17303-5159 RST 931 distance=99' 17140-5217 B 1851 distance=101' 17123-5245 B 1850 distance=102' 17291-5146 BRT 973 distance=102' 17341-5240 KPP 688 distance=104' 17346-5256 CPO 533AB distance=105' 17274-5129 BRT 967 distance=110' 17137-5425 R 294 distance=112' 17290-5134 BRT 972 distance=112' 17107-5300 NSN 374 distance=113' 17302-5138 LDS 599 distance=114' 17235-5116 BRT 963 distance=117' 17209-5511 TDT 316 distance=121' 17140-5144 RST3074 distance=122' 17358-5223 TDT 425 distance=125' 17098-5240 B 1845 distance=126' 17218-5107 BRT 959 distance=127' 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 17232-5313 TDT 331 94 0.4
Show 17193-5323 DUN 215 CD 157 13.0 36
Show 17193-5323 DUN 215 AB 43 61.6 37
Show 17193-5323 DUN 215 AC 89 63.3 37
Show 17243-5354 KPP 397 140 3.7 43
Show 17254-5233 LPO 62 90 10.1 45
Show 17279-5253 KPP4039 AB 309 9.5 47
Show 17214-5226 B 2833 AB 308 23.9 50
Show 17214-5226 B 2833 BC 14 4.8 50
Show 17182-5245 B 1854 102 1.4 53
Show 17180-5347 RST3083 211 2.9 58
Show 17239-5413 TDS 864 244 1.5 61
Show 17303-5308 RST3101 169 1.6 64
Show 17303-5341 TDT 387 116 0.7 70
Show 17280-5218 HDO 272 AB 356 31.2 70
Show 17280-5218 HDO 272 AC 336 37.7 70
Show 17171-5403 CPO 517 198 6.2 74
Show 17221-5200 KPP3000 95 2.9 74
Show 17195-5422 HJ 4930 41 8.7 77
Show 17261-5159 BRT 965 134 8.1 79
Show 17239-5154 HJ 4941 315 5.7 79
Show 17306-5220 RST3104 54 1.1 86
Show 17164-5213 TDT 295 305 0.6 86
Show 17299-5416 CVN 102 AB 255 2.8 87
Show 17299-5416 CVN 102 AC 28 4.4 87
Show 17299-5416 CVN 102 AD 130 6.2 87
Show 17299-5416 CVN 102 AE 97 6.4 87
Show 17299-5416 CVN 102 AF 166 6.9 87
Show 17134-5306 B 2406 84 8.0 89
Show 17308-5410 TDT 391 330 0.6 89
Show 17133-5340 FIN 52 124 5.1 93
Show 17149-5218 B 1852 128 1.5 94
Show 17162-5203 RST 912 17 2.0 94
Show 17262-5142 CPO 525 176 5.5 95
Show 17303-5159 RST 931 340 0.5 99
Show 17140-5217 B 1851 166 0.7 101
Show 17123-5245 B 1850 216 5.0 102
Show 17291-5146 BRT 973 43 4.2 102
Show 17341-5240 KPP 688 164 6.1 104
Show 17346-5256 CPO 533 AB 197 13.6 105
Show 17274-5129 BRT 967 141 3.5 110
Show 17137-5425 R 294 116 14.4 112
Show 17290-5134 BRT 972 108 5.7 112
Show 17107-5300 NSN 374 343 1.2 113
Show 17302-5138 LDS 599 101 47.6 114
Show 17235-5116 BRT 963 135 4.6 117
Show 17209-5511 TDT 316 280 0.9 121
Show 17140-5144 RST3074 293 3.7 122
Show 17358-5223 TDT 425 74 3.6 125
Show 17098-5240 B 1845 143 0.7 126
Show 17218-5107 BRT 959 99 5.1 127

 
 
WDS 17232-5313 : COMPONENTS
 
 
  A
B pa=96.0°
sep=0.24"
 
 
17232-5313 A
 
 
Componente originario normalizzato AB Name HD 156939 Coord arcsec 2000 172312.17-531230.9 Mag 9.56
Spectral class M3III: (red) PmRA 1.00 PmDE -18.0 SAO 244691
Tycho2 8728-00356-1 HD 156939 DM CP-53 8572
Tycho2
Tycho2 8728-00356-1 Pflag RAmdeg 260.80078415 DEmdeg -53.20857333
PmRA 0.7 PmDE -17.6 E RAmdeg 14 E DEmdeg 16
E pmRA 1.6 E pmDE 1.5 EpRAm 1988.79 EpDEm 1986.76
Num 7 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.7 BTmag 11.224 E BTmag 0.069 VTmag 9.153
E VTmag 0.019 Prox 711 TYC T HIP
CCDM RAdeg 260.80078056 DEdeg -53.20853389 EpRA 1990 1.80
EpDE 1990 1.70 E RAdeg 14.8 E DEdeg 18.4 Posflg
Corr -0.1
SAO
SAO 244691 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.028 Vmag 8.9 SpType Ma
Double code Source 42 CatNum 6817 DM CP-53 8572
DMcomp BDsup HD 156939 M HD 0
GC RA1950rad 4.5342512 DE1950rad -0.92784175 PmRA2000 0.0007
PmDE2000 -0.029
 
 
17232-5313 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172312.20-531230.9 Mag 10.17 PmRA 1.00
PmDE -18.0 Calc delta mag 0.61 Calc coord yes