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Doubles in session


Current system
20500-1303
UC 4304


Nearby doubles
25' : 20506-1325
KPP2249

26' : 20482-1303
HJ 2997

36' : 20486-1333
RST4069

42' : 20518-1336
BRT2777

58' : 20472-1223
OCC1101

68' : 20466-1218
HLD 164

69' : 20500-1154
BRG 31

75' : 20518-1154
UC 4312

75' : 20550-1316
GWP3016

86' : 20530-1416
HU 272

90' : 20508-1135
J 2324AB

93' : 20442-1342
HLD 162

95' : 20562-1331
TDT2644

100' : 20531-1134
CHR 101

102' : 20555-1400
LDS6418AB

102' : 20435-1225
TDS1095

106' : 20570-1242
TVB 317

107' : 20476-1123
J 1401

111' : 20555-1147
HU 81

118' : 20457-1123
RST4068

119' : 20560-1143
RST4070

122' : 20581-1237
HU 82

127' : 20433-1143
RST4067

129' : 20588-1300
UC 4348

129' : 20412-1320
WSI 163

131' : 20412-1330
OCC 413



Selections
Full WDS
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.

20500-1303 UC 4304

 
 
20h 49m 58.64s -13° 02' 56.2" P.A. 74.00 sep 64.9 mag 11.59,14.92
 
 
Coord 2000 20500-1303 Discov num UC 4304 Comp Coord arcsec 2000 20 49 58.64 -13 02 56.2
Date first 1999 Date last 2015 Obs 7
Pa first 74 Pa last 74.1 P.A. Now (θ) 74.1°
Sep first 64.9 Sep last 64.854 Sep. Now (ρ) 64.854"
Mag pri 11.59 Mag sec 14.92 delta mag (ΔM) 3.33 Spectral class
Pri motion ra +082 Sec motion ra +083
Pri motion dec -065 Sec motion dec -065
Notes V (Proper motion indicates physical)
rPM=0.009 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 5765-01898-1 Gaia DR2 6887937875499328768
 
 
WDS 20500-1303 UC 4304 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
UC USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) ...................
UC_2013a Eu j Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., 2013AJ....145...44Z
UC_2013a & Zacharias, M.I. (UCAC4 Catalog)
UC_2013a AJ 145, 44, 2013
UC_2013b Eu j Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D. 2013AJ....146...76H
UC_2013b AJ 146, 76, 2013 (UC 301 - 5058)
UC_2013b (Relative astrometry is derived from individual measurements, not precessed means.
UC_2013b UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended
UC_2013b image (a flag value of 30 or higher). Model fit magnitudes are given for both
UC_2013b components if either has such a flag. Model fit magnitudes are indicated by the
UC_2013b letter "f" following the filter information.
UC_2013b APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012.
UC_2013b Due to aperture method used, APASS photometry is only included for pairs wider
UC_2013b than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed
UC_2013b identical values for both components in all filters were removed, as well.
UC_2015 Eu - Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., 2015AJ....150..101Z
UC_2015 DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC_2015 Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.
UC_2015 AJ 150, 101, 2015
UC_9999 Eu - temporary UCAC files ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20500-1303 UC 4304 2000 2 74 65.0 11.60 14.90 V 204958.64-130256.2
20500-1303 UC 4304 2010 4 74 64.8 11.59 14.92 V 204958.64-130256.2
20500-1303 UC 4304 2015 5 74 64.8 11.59 14.92 V 204958.64-130256.2

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

 
 
WDS 20500-1303 UC 4304 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20500-1303 UC 4304 : MEASURES
 
 
No records found.

 
 
WDS 20500-1303 : VIRTUAL EYEPIECE
 
 

20500-1303 UC 4304A mag 11.59 20500-1303 UC 4304B sep 63.3 P.A. 73.70 mag 14.92 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 20500-1303 : ALADIN DSS IMAGE @ 20h 49m 58.64s -13° 02' 56.2"
 
 
 
 
WDS 20500-1303 UC 4304 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20500-1303 UC 4304 distance=0' 20506-1325 KPP2249 distance=25' 20482-1303 HJ 2997 distance=26' 20486-1333 RST4069 distance=36' 20518-1336 BRT2777 distance=42' 20472-1223 OCC1101 distance=58' 20466-1218 HLD 164 distance=68' 20500-1154 BRG 31 distance=69' 20518-1154 UC 4312 distance=75' 20550-1316 GWP3016 distance=75' 20530-1416 HU 272 distance=86' 20508-1135 J 2324BC distance=90' 20508-1135 J 2324AB distance=90' 20508-1135 J 2324AC distance=90' 20442-1342 HLD 162 distance=93' 20562-1331 TDT2644 distance=95' 20531-1134 CHR 101 distance=100' 20555-1400 LDS6418AB distance=102' 20555-1400 TSN 195Aa,Ab distance=102' 20435-1225 TDS1095 distance=102' 20570-1242 TVB 317 distance=106' 20476-1123 J 1401 distance=107' 20555-1147 HU 81 distance=111' 20457-1123 RST4068 distance=118' 20560-1143 RST4070 distance=119' 20581-1237 HU 82 distance=122' 20433-1143 RST4067 distance=127' 20588-1300 UC 4348 distance=129' 20412-1320 WSI 163 distance=129' 20412-1330 OCC 413 distance=131' 20590-1311 CVR 880 distance=132' 20591-1313 HU 83 distance=134' 20414-1352 BRT2776 distance=135' 20575-1142 CVR 234 distance=137' 20406-1319 HJ 611 distance=138' 20448-1458 OCC 20AB distance=138' 20448-1458 OCC 20AC distance=138' 20538-1516 UC 4320 distance=144' 20444-1503 HJ 1567 distance=145' 20426-1444 LDS4856 distance=148' 20466-1043 KPP4343AB distance=149' 20466-1043 KPP4343AC distance=149' 20466-1043 KPP4343BC distance=149' 21003-1312 RST4073 distance=152' 20571-1453 TVB 318 distance=152' 20587-1429 OCC 19AB distance=154' 20587-1429 SKF2094AC distance=154' 20556-1052 LV 8 distance=155' 20410-1431 HO 135 distance=158' 20419-1115 UC 4261 distance=161' 20477-1542 OCC1007 distance=163' 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 20500-1303 UC 4304 74 64.9
Show 20506-1325 KPP2249 274 18.7 25
Show 20482-1303 HJ 2997 196 8.4 26
Show 20486-1333 RST4069 179 0.3 36
Show 20518-1336 BRT2777 333 3.5 42
Show 20472-1223 OCC1101 -1 0.0 58
Show 20466-1218 HLD 164 113 2.7 68
Show 20500-1154 BRG 31 343 0.4 69
Show 20518-1154 UC 4312 286 52.7 75
Show 20550-1316 GWP3016 352 39.8 75
Show 20530-1416 HU 272 184 3.5 86
Show 20508-1135 J 2324 BC 78 4.0 90
Show 20508-1135 J 2324 AB 192 27.2 90
Show 20508-1135 J 2324 AC 183 25.8 90
Show 20442-1342 HLD 162 137 1.5 93
Show 20562-1331 TDT2644 252 0.6 95
Show 20531-1134 CHR 101 183 0.2 100
Show 20555-1400 LDS6418 AB 185 107.3 102
Show 20555-1400 TSN 195 Aa,Ab 190 0.1 102
Show 20435-1225 TDS1095 119 1.1 102
Show 20570-1242 TVB 317 342 7.3 106
Show 20476-1123 J 1401 304 4.3 107
Show 20555-1147 HU 81 55 0.3 111
Show 20457-1123 RST4068 159 1.0 118
Show 20560-1143 RST4070 13 1.8 119
Show 20581-1237 HU 82 1 2.7 122
Show 20433-1143 RST4067 43 0.4 127
Show 20588-1300 UC 4348 260 18.4 129
Show 20412-1320 WSI 163 46 10.3 129
Show 20412-1330 OCC 413 -1 0.3 131
Show 20590-1311 CVR 880 16 7.7 132
Show 20591-1313 HU 83 99 0.3 134
Show 20414-1352 BRT2776 79 4.2 135
Show 20575-1142 CVR 234 320 48.6 137
Show 20406-1319 HJ 611 338 12.1 138
Show 20448-1458 OCC 20 AB -1 0.1 138
Show 20448-1458 OCC 20 AC -1 0.1 138
Show 20538-1516 UC 4320 156 10.3 144
Show 20444-1503 HJ 1567 344 30.6 145
Show 20426-1444 LDS4856 200 2.0 148
Show 20466-1043 KPP4343 AB 317 25.5 149
Show 20466-1043 KPP4343 AC 314 26.3 149
Show 20466-1043 KPP4343 BC 261 2.5 149
Show 21003-1312 RST4073 4 0.4 152
Show 20571-1453 TVB 318 49 16.0 152
Show 20587-1429 OCC 19 AB -1 0.1 154
Show 20587-1429 SKF2094 AC 118 129.0 154
Show 20556-1052 LV 8 309 1.1 155
Show 20410-1431 HO 135 226 2.8 158
Show 20419-1115 UC 4261 261 62.4 161
Show 20477-1542 OCC1007 -1 0.1 163

 
 
WDS 20500-1303 : COMPONENTS
 
 
  A
B pa=73.7°
sep=63.31"
 
 
20500-1303 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204958.64-130256.2 Mag 11.59 PmRA 82.00
PmDE -65.0 Tycho2 5765-01898-1
Tycho2
Tycho2 5765-01898-1 Pflag RAmdeg 312.49421182 DEmdeg -13.04897821
PmRA 82.1 PmDE -65.9 E RAmdeg 97 E DEmdeg 101
E pmRA 2.3 E pmDE 2.4 EpRAm 1957.09 EpDEm 1950.95
Num 4 Q RAmdeg 1.9 Q DEmdeg 1.3 Q pmRA 2.0
Q pmDE 1.3 BTmag 13.736 E BTmag 0.596 VTmag 11.731
E VTmag 0.194 Prox 999 TYC HIP
CCDM RAdeg 312.49401722 DEdeg -13.04882500 EpRA 1990 1.72
EpDE 1990 1.61 E RAdeg 125.4 E DEdeg 140.0 Posflg
Corr -0.1
 
 
20500-1303 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205002.80-130238.4 Mag 14.92 PmRA 83.00
PmDE -65.0 Calc delta mag 3.33 Calc coord yes