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Current system
20364+1105
UC 4230


Nearby doubles
22' : 20354+1121
YR 16

23' : 20375+1050
HEI 586

27' : 20349+1120
TDT2394

29' : 20348+1121
J 1344

29' : 20375+1130
BPM2213

32' : 20385+1118
J 1073

34' : 20386+1120
J 1242

35' : 20383+1043
BU 1491

36' : 20350+1134
BRT3358

38' : 20339+1106
TDT2376

39' : 20366+1027
AG 258

40' : 20372+1143
BPM2210

41' : 20391+1055
UC 4243

41' : 20345+1036
BPM2192

42' : 20392+1059
SCJ 27AB

43' : 20393+1101
J 2603

44' : 20345+1138
J 142

48' : 20387+1139
GWP2975

49' : 20396+1120
BPM2221

51' : 20339+1032
BPM2189

52' : 20399+1115
ENG 75AB

54' : 20401+1105
GWP2979

56' : 20344+1153
LDS4851

59' : 20370+1203
STF2701

60' : 20380+1011
HDS2945

60' : 20402+1126
BPM2224



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20364+1105 UC 4230

 
 
20h 36m 25.13s +11° 05' 25.9" P.A. 173.00 sep 19.0 mag 15.90,16.49
 
 
Coord 2000 20364+1105 Discov num UC 4230 Comp Coord arcsec 2000 20 36 25.13 +11 05 25.9
Date first 2000 Date last 2015 Obs 4
Pa first 173 Pa last 173.4 P.A. Now (θ) 173.4°
Sep first 19.3 Sep last 19.022 Sep. Now (ρ) 19.022"
Mag pri 15.90 Mag sec 16.49 delta mag (ΔM) 0.59 Spectral class
Pri motion ra -003 Sec motion ra -015
Pri motion dec -067 Sec motion dec -068
Notes V (Proper motion indicates physical)
rPM=0.173 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1754596742892881920
 
 
WDS 20364+1105 UC 4230 : 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
20364+1105 UC 4230 2000 2 173 19.3 15.90 16.30 V 203625.13+110525.9
20364+1105 UC 4230 2001 2 173 19.1 15.90 16.30 V 203625.13+110525.9
20364+1105 UC 4230 2010 3 173 18.5 15.90 16.49 V 203625.13+110525.9
20364+1105 UC 4230 2015 4 173 19.0 15.90 16.49 V 203625.13+110525.9

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

 
 
WDS 20364+1105 UC 4230 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20364+1105 UC 4230 : MEASURES
 
 
No records found.

 
 
WDS 20364+1105 : VIRTUAL EYEPIECE
 
 

20364+1105 UC 4230A mag 15.9 20364+1105 UC 4230B sep 19.0 P.A. 173.50 mag 16.49 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20364+1105 : ALADIN DSS IMAGE @ 20h 36m 25.13s +11° 05' 25.9"
 
 
 
 
WDS 20364+1105 UC 4230 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20364+1105 UC 4230 distance=0' 20354+1121 YR 16 distance=22' 20375+1050 HEI 586 distance=23' 20349+1120 TDT2394 distance=27' 20348+1121 J 1344 distance=29' 20375+1130 BPM2213 distance=29' 20385+1118 J 1073 distance=32' 20386+1120 J 1242 distance=34' 20383+1043 BU 1491 distance=35' 20350+1134 BRT3358 distance=36' 20339+1106 TDT2376 distance=38' 20366+1027 AG 258 distance=39' 20372+1143 BPM2210 distance=40' 20391+1055 UC 4243 distance=41' 20345+1036 BPM2192 distance=41' 20392+1059 SCJ 27AB distance=42' 20392+1059 SCJ 27AC distance=42' 20393+1101 J 2603 distance=43' 20345+1138 J 142 distance=44' 20387+1139 GWP2975 distance=48' 20396+1120 BPM2221 distance=49' 20339+1032 BPM2189 distance=51' 20399+1115 ENG 75AB distance=52' 20399+1115 CVN 17Aa,Ab distance=52' 20399+1115 TOK 631AC distance=52' 20401+1105 GWP2979 distance=54' 20344+1153 LDS4851 distance=56' 20370+1203 STF2701 distance=59' 20380+1011 HDS2945 distance=60' 20402+1126 BPM2224 distance=60' 20322+1054 LDS4848 distance=65' 20329+1142 J 1AB distance=66' 20329+1142 UC 4212AC distance=66' 20404+1143 UC 4253 distance=70' 20326+1024 J 3092 distance=70' 20340+1206 MAD 8 distance=71' 20327+1151 BPM2184 distance=72' 20413+1111 BPM2229 distance=73' 20317+1124 BPM2182 distance=73' 20391+1005 STT 533AB distance=73' 20391+1005 STT 533AC distance=73' 20386+1000 BRT2187 distance=73' 20409+1035 STF2713 distance=74' 20379+0951 GRV 365 distance=78' 20312+1116 CHR 99Aa,Ab distance=78' 20312+1116 STF2690A,BC distance=78' 20312+1116 HJ 269AD distance=78' 20312+1116 DA 1BC distance=78' 20417+1053 UC 4260 distance=79' 20372+1224 BPM2209 distance=80' 20324+1202 GRV 351 distance=82' 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 20364+1105 UC 4230 173 19.0
Show 20354+1121 YR 16 278 0.7 22
Show 20375+1050 HEI 586 220 0.6 23
Show 20349+1120 TDT2394 2 0.5 27
Show 20348+1121 J 1344 103 2.5 29
Show 20375+1130 BPM2213 275 91.7 29
Show 20385+1118 J 1073 112 5.3 32
Show 20386+1120 J 1242 205 5.2 34
Show 20383+1043 BU 1491 87 3.2 35
Show 20350+1134 BRT3358 288 1.9 36
Show 20339+1106 TDT2376 76 0.8 38
Show 20366+1027 AG 258 11 4.2 39
Show 20372+1143 BPM2210 203 101.9 40
Show 20391+1055 UC 4243 50 16.2 41
Show 20345+1036 BPM2192 343 103.0 41
Show 20392+1059 SCJ 27 AB 262 6.2 42
Show 20392+1059 SCJ 27 AC 78 14.1 42
Show 20393+1101 J 2603 354 1.8 43
Show 20345+1138 J 142 242 6.5 44
Show 20387+1139 GWP2975 166 5.8 48
Show 20396+1120 BPM2221 275 70.3 49
Show 20339+1032 BPM2189 259 69.9 51
Show 20399+1115 ENG 75 AB 6 182.2 52
Show 20399+1115 CVN 17 Aa,Ab 36 0.5 52
Show 20399+1115 TOK 631 AC 142 947.9 52
Show 20401+1105 GWP2979 215 7.5 54
Show 20344+1153 LDS4851 328 4.4 56
Show 20370+1203 STF2701 221 2.1 59
Show 20380+1011 HDS2945 79 0.4 60
Show 20402+1126 BPM2224 331 104.0 60
Show 20322+1054 LDS4848 143 251.1 65
Show 20329+1142 J 1 AB 63 2.1 66
Show 20329+1142 UC 4212 AC 256 27.7 66
Show 20404+1143 UC 4253 315 19.7 70
Show 20326+1024 J 3092 336 5.3 70
Show 20340+1206 MAD 8 245 20.9 71
Show 20327+1151 BPM2184 293 59.7 72
Show 20413+1111 BPM2229 11 85.9 73
Show 20317+1124 BPM2182 228 99.8 73
Show 20391+1005 STT 533 AB 278 46.3 73
Show 20391+1005 STT 533 AC 101 214.6 73
Show 20386+1000 BRT2187 162 5.1 73
Show 20409+1035 STF2713 62 5.1 74
Show 20379+0951 GRV 365 105 28.1 78
Show 20312+1116 CHR 99 Aa,Ab 142 0.4 78
Show 20312+1116 STF2690 A,BC 255 17.8 78
Show 20312+1116 HJ 269 AD 108 23.0 78
Show 20312+1116 DA 1 BC 184 0.3 78
Show 20417+1053 UC 4260 155 39.5 79
Show 20372+1224 BPM2209 213 61.9 80
Show 20324+1202 GRV 351 12 70.6 82

 
 
WDS 20364+1105 : COMPONENTS
 
 
  A
B pa=173.5°
sep=19.02"
 
 
20364+1105 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203625.13+110525.9 Mag 15.9 PmRA -3.00
PmDE -67.0
 
 
20364+1105 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203625.28+110507.0 Mag 16.49 PmRA -15.00
PmDE -68.0 Calc delta mag 0.59 Calc coord yes