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Doubles in session


Current system
20125-0217
UC 4121


Nearby doubles
9' : 20127-0209
WSP 80AB
Petra

29' : 20143-0209
RST4656

33' : 20134-0246
BRT 497

41' : 20101-0225
J 2297

44' : 20128-0300
STF2643

49' : 20108-0136
BAL 609

64' : 20166-0234
GWP2934

65' : 20168-0204
TDT2138

82' : 20170-0129
A 868

84' : 20152-0330
STF2654

93' : 20184-0245
HJ 911

96' : 20065-0144
BAL 257

96' : 20186-0146
BAL 258AB

98' : 20168-0329
RST4659AB

99' : 20060-0209
BAL 256

103' : 20085-0340
HLD 37

106' : 20190-0258
RST4662

107' : 20195-0239
KPP 468

109' : 20140-0403
HJ 909

111' : 20199-0215
STF2661

111' : 20182-0105
WSP 74AB

117' : 20198-0134
RST4663

118' : 20048-0239
ELP 45AB

131' : 20212-0158
BRT 499

138' : 20204-0107
RST5154

140' : 20117-0435
STF2636



Selections
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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.

20125-0217 UC 4121

 
 
20h 12m 31.72s -02° 16' 34.6" P.A. 198.00 sep 9.5 mag 12.90,15.10
 
 
Coord 2000 20125-0217 Discov num UC 4121 Comp Coord arcsec 2000 20 12 31.72 -02 16 34.6
Date first 1998 Date last 2015 Obs 3
Pa first 201 Pa last 197.6 P.A. Now (θ) 197.6°
Sep first 9.4 Sep last 9.507 Sep. Now (ρ) 9.507"
Mag pri 12.90 Mag sec 15.10 delta mag (ΔM) 2.2 Spectral class
Pri motion ra +019 Sec motion ra +010
Pri motion dec +050 Sec motion dec +065
Notes V (Proper motion indicates physical)
rPM=0.266 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Gaia DR2 4223499349433683200
 
 
WDS 20125-0217 UC 4121 : 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
20125-0217 UC 4121 2000 2 201 9.4 12.90 15.10 V 201231.72-021634.6
20125-0217 UC 4121 2015 3 198 9.5 12.90 15.10 V 201231.72-021634.6

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

 
 
WDS 20125-0217 UC 4121 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20125-0217 UC 4121 : MEASURES
 
 
No records found.

 
 
WDS 20125-0217 : VIRTUAL EYEPIECE
 
 

20125-0217 UC 4121A mag 12.9 20125-0217 UC 4121B sep 9.5 P.A. 197.60 mag 15.1 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 20125-0217 : ALADIN DSS IMAGE @ 20h 12m 31.72s -02° 16' 34.6"
 
 
 
 
WDS 20125-0217 UC 4121 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20125-0217 UC 4121 distance=0' 20127-0209 WSP 80AB (Petra) distance=9' 20127-0209 WSP 80AC (Petra) distance=9' 20127-0209 WSP 80AD (Petra) distance=9' 20127-0209 WSP 80AE (Petra) distance=9' 20127-0209 WSP 80AF (Petra) distance=9' 20127-0209 WSP 80AG (Petra) distance=9' 20127-0209 WSP 80AH (Petra) distance=9' 20143-0209 RST4656 distance=29' 20134-0246 BRT 497 distance=33' 20101-0225 J 2297 distance=41' 20128-0300 STF2643 distance=44' 20108-0136 BAL 609 distance=49' 20166-0234 GWP2934 distance=64' 20168-0204 TDT2138 distance=65' 20170-0129 A 868 distance=82' 20152-0330 STF2654 distance=84' 20184-0245 HJ 911 distance=93' 20065-0144 BAL 257 distance=96' 20186-0146 BAL 258AB distance=96' 20186-0146 J 1702AC distance=96' 20168-0329 RST4659AB distance=98' 20168-0329 TOK 337AC distance=98' 20060-0209 BAL 256 distance=99' 20085-0340 HLD 37 distance=103' 20190-0258 RST4662 distance=106' 20195-0239 KPP 468 distance=107' 20140-0403 HJ 909 distance=109' 20199-0215 STF2661 distance=111' 20182-0105 WSP 74AB distance=111' 20182-0105 WSP 74AC distance=111' 20182-0105 WSP 74AD distance=111' 20182-0105 WSP 74AE distance=111' 20182-0105 WSP 74AF distance=111' 20182-0105 WSP 74AG distance=111' 20182-0105 WSP 74AH distance=111' 20198-0134 RST4663 distance=117' 20048-0239 ELP 45AB distance=118' 20048-0239 CVN 108AC distance=118' 20048-0239 CVN 108AD distance=118' 20048-0239 CVN 108AE distance=118' 20212-0158 BRT 499 distance=131' 20204-0107 RST5154 distance=138' 20117-0435 STF2636 distance=140' 20120+0004 GWP2927 distance=141' 20062-0405 LSC 88 distance=144' 20113-0008 S 735 distance=146' 20119+0010 UC 4118 distance=147' 20031-0256 KPP1789 distance=148' 20143+0009 HDS2885 distance=148' 20037-0326 A 45 distance=150' 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 20125-0217 UC 4121 198 9.5
Show Petra 20127-0209 WSP 80 AB 54 11.3 9
Show Petra 20127-0209 WSP 80 AC 193 19.2 9
Show Petra 20127-0209 WSP 80 AD 213 14.7 9
Show Petra 20127-0209 WSP 80 AE 338 27.3 9
Show Petra 20127-0209 WSP 80 AF 59 28.5 9
Show Petra 20127-0209 WSP 80 AG 30 29.7 9
Show Petra 20127-0209 WSP 80 AH 53 31.1 9
Show 20143-0209 RST4656 139 0.6 29
Show 20134-0246 BRT 497 275 4.2 33
Show 20101-0225 J 2297 207 7.4 41
Show 20128-0300 STF2643 81 3.0 44
Show 20108-0136 BAL 609 81 6.8 49
Show 20166-0234 GWP2934 47 107.0 64
Show 20168-0204 TDT2138 69 0.5 65
Show 20170-0129 A 868 309 0.2 82
Show 20152-0330 STF2654 232 14.4 84
Show 20184-0245 HJ 911 122 21.5 93
Show 20065-0144 BAL 257 248 17.9 96
Show 20186-0146 BAL 258 AB 46 5.8 96
Show 20186-0146 J 1702 AC 289 11.7 96
Show 20168-0329 RST4659 AB 7 1.8 98
Show 20168-0329 TOK 337 AC 39 127.4 98
Show 20060-0209 BAL 256 277 6.5 99
Show 20085-0340 HLD 37 308 3.2 103
Show 20190-0258 RST4662 355 1.2 106
Show 20195-0239 KPP 468 45 4.6 107
Show 20140-0403 HJ 909 129 15.3 109
Show 20199-0215 STF2661 341 24.4 111
Show 20182-0105 WSP 74 AB 8 11.8 111
Show 20182-0105 WSP 74 AC 193 15.7 111
Show 20182-0105 WSP 74 AD 71 15.9 111
Show 20182-0105 WSP 74 AE 133 19.7 111
Show 20182-0105 WSP 74 AF 218 24.0 111
Show 20182-0105 WSP 74 AG 100 8.0 111
Show 20182-0105 WSP 74 AH 75 21.5 111
Show 20198-0134 RST4663 334 1.1 117
Show 20048-0239 ELP 45 AB 208 2.7 118
Show 20048-0239 CVN 108 AC 57 4.4 118
Show 20048-0239 CVN 108 AD 232 5.6 118
Show 20048-0239 CVN 108 AE 140 7.0 118
Show 20212-0158 BRT 499 252 5.0 131
Show 20204-0107 RST5154 301 3.3 138
Show 20117-0435 STF2636 203 12.5 140
Show 20120+0004 GWP2927 150 9.8 141
Show 20062-0405 LSC 88 85 0.2 144
Show 20113-0008 S 735 211 56.4 146
Show 20119+0010 UC 4118 28 58.2 147
Show 20031-0256 KPP1789 116 13.9 148
Show 20143+0009 HDS2885 132 0.2 148
Show 20037-0326 A 45 114 1.0 150

 
 
WDS 20125-0217 : COMPONENTS
 
 
  A
B pa=197.6°
sep=9.51"
 
 
20125-0217 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201231.72-021634.6 Mag 12.9 PmRA 19.00
PmDE 50.0
 
 
20125-0217 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201231.53-021643.7 Mag 15.1 PmRA 10.00
PmDE 65.0 Calc delta mag 2.2 Calc coord yes