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Doubles in session


Current system
20539-5111
CPO 618


Nearby doubles
27' : 20525-5136
ALD 94

40' : 20570-5138
KPP 480

47' : 20516-5030
KPP 479

50' : 20511-5154
SHN 248

52' : 20577-5148
RST1078

57' : 20549-5207
ARY 78

58' : 20551-5207
I 18

58' : 21000-5111
I 1432

67' : 21009-5107
RST1079

70' : 20485-5200
B 1388

71' : 21013-5110
KPP2255

73' : 20506-5218
HU 1623

78' : 20500-5220
I 1428

79' : 20455-5105
HU 1618

81' : 20597-5211
I 669AB

89' : 21014-5019
SKF 379

91' : 20508-5237
RST1077

93' : 21004-5003
UC 4358

94' : 21027-5030
B 2489

94' : 20546-4938
TOK 680AB

95' : 20450-5029
I 17AB

101' : 20492-5242
UC 4300AB

103' : 20436-5148
I 128

107' : 21037-5021
UC 4369

109' : 21049-5147
B 1390

109' : 20534-4923
SHY 784AB



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

20539-5111 CPO 618

 
 
20h 53m 51.49s -51° 11' 22.3" P.A. 315.00 sep 6.1 mag 11.59,12.10
 
 
Coord 2000 20539-5111 Discov num CPO 618 Comp Coord arcsec 2000 20 53 51.49 -51 11 22.3
Date first 1959 Date last 2019 Obs 5
Pa first 277 Pa last 315 P.A. Now (θ) 315°
Sep first 2.9 Sep last 6.05 Sep. Now (ρ) 6.05"
Mag pri 11.59 Mag sec 12.10 delta mag (ΔM) 0.51 Spectral class
Pri motion ra +050 Sec motion ra
Pri motion dec -057 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Indus Tycho2 8420-01005-1 Gaia DR2 6477537841808456448
 
 
WDS 20539-5111 CPO 618 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CpO1906 - Cape Observatory .
CpO1906 Cape Obs - Henderson, 1906
CpO1938 P+ - Cape Observatory .
CpO1938 +T Cape Obs (1822-1938 data)
CpO9999 T - Cape Observatory ...................
CpO9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20539-5111 CPO 618 1959 1 277 2.9 11.59 12.10 205351.49-511122.3
20539-5111 CPO 618 1999 4 308 5.1 11.59 12.10 205351.49-511122.3
20539-5111 CPO 618 2000 4 308 5.1 11.59 12.10 205351.49-511122.3
20539-5111 CPO 618 2010 6 311 4.4 11.59 12.10 205351.49-511122.3
20539-5111 CPO 618 2019 5 315 6.1 11.59 12.10 205351.49-511122.3

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

 
 
WDS 20539-5111 CPO 618 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20539-5111 CPO 618 : MEASURES
 
 
No records found.

 
 
WDS 20539-5111 : VIRTUAL EYEPIECE
 
 

20539-5111 CPO 618A mag 11.59 20539-5111 CPO 618B sep 5.0 P.A. 327.90 mag 12.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20539-5111 : ALADIN DSS IMAGE @ 20h 53m 51.49s -51° 11' 22.3"
 
 
 
 
WDS 20539-5111 CPO 618 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20539-5111 CPO 618 distance=0' 20525-5136 ALD 94 distance=27' 20570-5138 KPP 480 distance=40' 20516-5030 KPP 479 distance=47' 20511-5154 SHN 248 distance=50' 20577-5148 RST1078 distance=52' 20549-5207 ARY 78 distance=57' 20551-5207 I 18 distance=58' 21000-5111 I 1432 distance=58' 21009-5107 RST1079 distance=67' 20485-5200 B 1388 distance=70' 21013-5110 KPP2255 distance=71' 20506-5218 HU 1623 distance=73' 20500-5220 I 1428 distance=78' 20455-5105 HU 1618 distance=79' 20597-5211 I 669AB distance=81' 20597-5211 I 669AC distance=81' 21014-5019 SKF 379 distance=89' 20508-5237 RST1077 distance=91' 21004-5003 UC 4358 distance=93' 21027-5030 B 2489 distance=94' 20546-4938 TOK 680AB distance=94' 20546-4938 TOK 680AC distance=94' 20450-5029 I 17AB distance=95' 20450-5029 DUN 235AC distance=95' 20492-5242 UC 4300AB distance=101' 20436-5148 I 128 distance=103' 20534-4923 SHY 784BC distance=105' 21037-5021 UC 4369 distance=107' 21049-5147 B 1390 distance=109' 20534-4923 SHY 784AB distance=109' 20594-5252 UC 4351 distance=113' 21056-5151 I 1433 distance=117' 21064-5143 NSN 453 distance=122' 20469-4929 CBL 180 distance=123' 20433-4959 UC 4269 distance=124' 20533-4906 TDT2608 distance=126' 21031-5246 RST1080 distance=128' 20403-5114 HU 1617 distance=128' 21076-5114 HDS3011 distance=130' 20458-4920 HDS2956 distance=136' 21086-5121 RST1082 distance=140' 21011-4907 SKF 765 distance=143' 20590-5328 UC 4349 distance=145' 20458-5317 UC 4283 distance=146' 21000-5326 HDS2993 distance=147' 20596-5329 KPP 482 distance=148' 20394-5216 UC 4245 distance=150' 20403-4956 KRW 2 distance=150' 21097-5055 UC 4392 distance=151' 20596-5336 B 511 distance=154' 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 20539-5111 CPO 618 315 6.1
Show 20525-5136 ALD 94 304 1.7 27
Show 20570-5138 KPP 480 259 3.9 40
Show 20516-5030 KPP 479 347 4.9 47
Show 20511-5154 SHN 248 344 1.3 50
Show 20577-5148 RST1078 114 1.1 52
Show 20549-5207 ARY 78 302 31.7 57
Show 20551-5207 I 18 359 4.0 58
Show 21000-5111 I 1432 272 0.3 58
Show 21009-5107 RST1079 101 2.0 67
Show 20485-5200 B 1388 327 5.4 70
Show 21013-5110 KPP2255 27 18.8 71
Show 20506-5218 HU 1623 229 1.6 73
Show 20500-5220 I 1428 304 6.9 78
Show 20455-5105 HU 1618 240 1.0 79
Show 20597-5211 I 669 AB 67 0.4 81
Show 20597-5211 I 669 AC 282 33.4 81
Show 21014-5019 SKF 379 158 12.9 89
Show 20508-5237 RST1077 193 1.2 91
Show 21004-5003 UC 4358 261 11.1 93
Show 21027-5030 B 2489 7 5.4 94
Show 20546-4938 TOK 680 AB 271 5.3 94
Show 20546-4938 TOK 680 AC 333 7.0 94
Show 20450-5029 I 17 AB 32 1.2 95
Show 20450-5029 DUN 235 AC 122 125.4 95
Show 20492-5242 UC 4300 AB 240 62.2 101
Show 20436-5148 I 128 328 3.6 103
Show 20534-4923 SHY 784 BC 147 2.8 105
Show 21037-5021 UC 4369 79 23.6 107
Show 21049-5147 B 1390 236 2.7 109
Show 20534-4923 SHY 784 AB 134 348.4 109
Show 20594-5252 UC 4351 301 6.4 113
Show 21056-5151 I 1433 36 0.8 117
Show 21064-5143 NSN 453 58 1.3 122
Show 20469-4929 CBL 180 198 27.9 123
Show 20433-4959 UC 4269 85 20.3 124
Show 20533-4906 TDT2608 172 1.1 126
Show 21031-5246 RST1080 52 5.5 128
Show 20403-5114 HU 1617 279 0.2 128
Show 21076-5114 HDS3011 349 1.2 130
Show 20458-4920 HDS2956 294 12.8 136
Show 21086-5121 RST1082 183 2.4 140
Show 21011-4907 SKF 765 340 64.3 143
Show 20590-5328 UC 4349 287 10.4 145
Show 20458-5317 UC 4283 105 7.3 146
Show 21000-5326 HDS2993 235 0.1 147
Show 20596-5329 KPP 482 246 3.7 148
Show 20394-5216 UC 4245 199 24.1 150
Show 20403-4956 KRW 2 62 20.5 150
Show 21097-5055 UC 4392 347 57.6 151
Show 20596-5336 B 511 167 1.3 154

 
 
WDS 20539-5111 : COMPONENTS
 
 
  A
B pa=327.9°
sep=5.05"
 
 
20539-5111 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205351.49-511122.3 Mag 11.59 PmRA 50.00
PmDE -57.0 Tycho2 8420-01005-1
Tycho2
Tycho2 8420-01005-1 Pflag RAmdeg 313.46454480 DEmdeg -51.18953842
PmRA 49.5 PmDE -57.4 E RAmdeg 85 E DEmdeg 101
E pmRA 2.8 E pmDE 2.7 EpRAm 1979.82 EpDEm 1971.81
Num 3 Q RAmdeg 1.1 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.4 BTmag 12.388 E BTmag 0.221 VTmag 11.593
E VTmag 0.146 Prox 999 TYC HIP
CCDM RAdeg 313.46436556 DEdeg -51.18940472 EpRA 1990 1.77
EpDE 1990 1.69 E RAdeg 90.8 E DEdeg 113.9 Posflg
Corr 0.0
 
 
20539-5111 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205351.20-511118.0 Mag 12.1 Calc delta mag 0.51
Calc coord yes