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Doubles in session


Current system
21130-1133
VOU 24 AB
HD 201926


Nearby doubles
19' : 21124-1149
OCC 403

23' : 21115-1132
VOU 30

27' : 21141-1155
TDT2845

35' : 21152-1145
LDS1479

41' : 21145-1207
BRT2780

49' : 21138-1046
OCC 420

52' : 21096-1122
TOK 633

63' : 21141-1035
J 1404

73' : 21133-1246
GWP3046

75' : 21131-1247
OCC 973

76' : 21080-1141
HO 149

77' : 21165-1036
UC 4424

77' : 21137-1249
OCC 974

81' : 21154-1021
STF2776AB

85' : 21083-1222
TDT2779

85' : 21079-1211
HU 84

89' : 21176-1231
KPP2572

91' : 21074-1057
CVR 887

92' : 21180-1038
GWP3051

93' : 21085-1028
LDS1478

98' : 21152-1305
OCC 972

100' : 21103-1304
CBL 181

100' : 21193-1055
ZIE 14

101' : 21168-1009
RST4080

103' : 21182-1025
NSN 499

105' : 21177-1252
KPP 489



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.

21130-1133 VOU 24 AB (HD 201926)

 
 
21h 13m 02.51s -11° 33' 05.8" P.A. 173.00 sep 0.2 mag 9.70,10.20 Sp G0
 
 
Coord 2000 21130-1133 Discov num VOU  24 Comp AB Coord arcsec 2000 21 13 02.51 -11 33 05.8
Date first 1931 Date last 2021 Obs 13
Pa first 39 Pa last 172.8 P.A. Now (θ) 172.8°
Sep first 0.3 Sep last 0.179 Sep. Now (ρ) 0.179"
Mag pri 9.70 Mag sec 10.20 delta mag (ΔM) 0.5 Spectral class G0 (yellow)
Pri motion ra +073 Sec motion ra
Pri motion dec +028 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
21130-1133 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201926 164222 21 13 03 -11 33 06 VOU 24 AB 2021 13 173 0.2 9.70 10.20 0.50 Y <===
Show 164222 21 13 03 -11 33 06 RST 4077 AC 2021 8 223 2.0 9.70 12.90 3.20
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 201926 Constellation Aquarius SAO 164222 Tycho2 5780-00244-1
Gaia DR2 6895050100822940416 HD 201926
 
 
ORBITAL ELEMENTS
 
 
Period (P)128.5y± 8.1 Periastron (T)2020.03y± 1.93 Semi-major axis (a)0.264a± 0.017
Eccentricity (e)0.321± 0.012 Inclination (i)161.9°± 12.4 Longitude of periastron (ω)250°
Node (Ω)65.3°± 10.2 Notes ReferenceTok2020e
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 266.9 0.239
2001 263.8 0.235
2002 260.5 0.231
2003 257.2 0.227
2004 253.7 0.223
2005 250.1 0.219
2006 246.3 0.214
2007 242.4 0.210
2008 238.4 0.206
2009 234.2 0.202
2010 229.8 0.198
2011 225.2 0.194
2012 220.5 0.191
2013 215.5 0.187
2014 210.4 0.184
2015 205.1 0.181
2016 199.6 0.178
2017 194.0 0.176
2018 188.3 0.174
2019 182.4 0.172
2020 176.4 0.171
2021 170.4 0.171
2022 164.4 0.171
2023 158.5 0.172
2024 152.6 0.174
2025 146.8 0.176
2026 141.2 0.178
2027 135.8 0.181
2028 130.5 0.184
2029 125.4 0.188
2030 120.5 0.192


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds21130-1133a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21130-1133 VOU 24 AB (HD 201926) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
14 VOU Voute, J.G.
42 VOU Voute, J.G., Terkule, Strand, K., van den Bos, W., Wallenquist, A., van Dissel,
42 VOU Janssen, & Witlox
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21130-1133 VOU 24 AB 1995 8 287 0.2 9.70 10.20 G0 D 211302.51-113305.8
21130-1133 VOU 24 AB 2017 9 190 0.2 9.70 10.20 G0 211302.51-113305.8
21130-1133 VOU 24 AB 2018 10 184 0.2 9.70 10.20 G0 211302.51-113305.8
21130-1133 VOU 24 AB 2019 11 181 0.2 9.70 10.20 G0 211302.51-113305.8
21130-1133 VOU 24 AB 2021 13 173 0.2 9.70 10.20 G0 211302.51-113305.8

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

 
 
WDS 21130-1133 VOU 24 AB (HD 201926) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21130-1133 VOU 24 AB (HD 201926) : MEASURES
 
 
No records found.

 
 
WDS 21130-1133 (HD 201926) : VIRTUAL EYEPIECE
 
 

21130-1133 VOU 24A mag 9.7 Sp G0 21130-1133 VOU 24B sep 0.2 P.A. 172.90 mag 10.2 21130-1133 RST4077C sep 1.9 P.A. 222.60 mag 12.9 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 21130-1133 (HD 201926) : ALADIN DSS IMAGE @ 21h 13m 02.51s -11° 33' 05.8"
 
 
 
 
WDS 21130-1133 VOU 24 AB (HD 201926) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21130-1133 VOU 24AB distance=0' 21124-1149 OCC 403 distance=19' 21115-1132 VOU 30 distance=23' 21141-1155 TDT2845 distance=27' 21152-1145 LDS1479 distance=35' 21145-1207 BRT2780 distance=41' 21138-1046 OCC 420 distance=49' 21096-1122 TOK 633 distance=52' 21141-1035 J 1404 distance=63' 21133-1246 GWP3046 distance=73' 21131-1247 OCC 973 distance=75' 21080-1141 HO 149 distance=76' 21165-1036 UC 4424 distance=77' 21137-1249 OCC 974 distance=77' 21154-1021 STF2776AB distance=81' 21154-1021 STF2776BC distance=82' 21083-1222 TDT2779 distance=85' 21079-1211 HU 84 distance=85' 21176-1231 KPP2572 distance=89' 21074-1057 CVR 887 distance=91' 21180-1038 GWP3051 distance=92' 21085-1028 LDS1478 distance=93' 21152-1305 OCC 972 distance=98' 21103-1304 CBL 181 distance=100' 21193-1055 ZIE 14 distance=100' 21168-1009 RST4080 distance=101' 21182-1025 NSN 499 distance=103' 21177-1252 KPP 489 distance=105' 21200-1113 BRT2781 distance=106' 21160-1312 YSC 118 distance=109' 21079-1013 BU 473AB distance=111' 21079-1013 BU 473AC distance=111' 21070-1241 RST4693 distance=113' 21208-1121 OCC 946 distance=115' 21203-1048 HU 86AB distance=116' 21203-1048 FOX9016AC distance=116' 21192-1247 KPP4232 distance=117' 21050-1105 HO 462AB distance=122' 21050-1105 BU 1499AC distance=122' 21096-0940 RST4075 distance=124' 21211-1055 RST4694 distance=126' 21075-0956 TDT2770 distance=128' 21151-1340 KPP3124 distance=130' 21214-1219 HJ 280 distance=132' 21050-1020 AOT 103 distance=139' 21223-1213 GWP3053 distance=142' 21052-1004 AOT 104 distance=146' 21069-0937 TDT2762 distance=147' 21031-1151 BRT2779 distance=148' 21135-0905 BRT 515 distance=148' 21163-0913 D 24 distance=149' 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 21130-1133 VOU 24 AB 173 0.2
Show 21130-1133 RST4077 AC 223 2.0
Show 21124-1149 OCC 403 74 0.0 19
Show 21115-1132 VOU 30 149 0.2 23
Show 21141-1155 TDT2845 64 0.5 27
Show 21152-1145 LDS1479 242 2.0 35
Show 21145-1207 BRT2780 347 3.4 41
Show 21138-1046 OCC 420 -1 0.0 49
Show 21096-1122 TOK 633 313 999.9 52
Show 21141-1035 J 1404 237 7.1 63
Show 21133-1246 GWP3046 353 23.7 73
Show 21131-1247 OCC 973 -1 0.1 75
Show 21080-1141 HO 149 300 0.8 76
Show 21165-1036 UC 4424 295 11.7 77
Show 21137-1249 OCC 974 -1 0.2 77
Show 21154-1021 STF2776 AB 52 83.5 81
Show 21154-1021 STF2776 BC 338 5.9 82
Show 21083-1222 TDT2779 95 0.7 85
Show 21079-1211 HU 84 324 4.7 85
Show 21176-1231 KPP2572 167 23.3 89
Show 21074-1057 CVR 887 309 11.0 91
Show 21180-1038 GWP3051 23 13.1 92
Show 21085-1028 LDS1478 200 5.2 93
Show 21152-1305 OCC 972 -1 0.1 98
Show 21103-1304 CBL 181 246 17.1 100
Show 21193-1055 ZIE 14 76 4.4 100
Show 21168-1009 RST4080 247 2.0 101
Show 21182-1025 NSN 499 46 3.3 103
Show 21177-1252 KPP 489 3 3.9 105
Show 21200-1113 BRT2781 134 5.3 106
Show 21160-1312 YSC 118 252 0.5 109
Show 21079-1013 BU 473 AB 117 2.1 111
Show 21079-1013 BU 473 AC 16 39.0 111
Show 21070-1241 RST4693 51 0.3 113
Show 21208-1121 OCC 946 -1 0.0 115
Show 21203-1048 HU 86 AB 240 4.3 116
Show 21203-1048 FOX9016 AC 203 41.8 116
Show 21192-1247 KPP4232 259 2.2 117
Show 21050-1105 HO 462 AB 218 2.5 122
Show 21050-1105 BU 1499 AC 311 118.1 122
Show 21096-0940 RST4075 40 1.6 124
Show 21211-1055 RST4694 14 0.5 126
Show 21075-0956 TDT2770 215 0.6 128
Show 21151-1340 KPP3124 108 6.2 130
Show 21214-1219 HJ 280 211 47.8 132
Show 21050-1020 AOT 103 224 21.6 139
Show 21223-1213 GWP3053 165 26.9 142
Show 21052-1004 AOT 104 174 7.6 146
Show 21069-0937 TDT2762 94 0.8 147
Show 21031-1151 BRT2779 120 4.1 148
Show 21135-0905 BRT 515 67 4.1 148

 
 
WDS 21130-1133 : COMPONENTS
 
 
  A B
B pa=172.9°
sep=0.18"
 
C pa=222.6°
sep=1.95"
pa=226.9°
sep=1.84"
 
 
21130-1133 A
 
 
Name HD 201926 Coord arcsec 2000 211302.51-113305.8 Mag 9.7 Spectral class G0 (yellow)
PmRA 73.00 PmDE 28.0 SAO 164222 Tycho2 5780-00244-1
HD 201926 DM BD-12 5935
Tycho2
Tycho2 5780-00244-1 Pflag RAmdeg 318.26046610 DEmdeg -11.55163114
PmRA 74.1 PmDE 37.6 E RAmdeg 9 E DEmdeg 11
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.16 EpDEm 1990.62
Num 5 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.1 BTmag 9.549 E BTmag 0.021 VTmag 8.969
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 318.26029250 DEdeg -11.55171944 EpRA 1990 1.73
EpDE 1990 1.56 E RAdeg 8.7 E DEdeg 10.9 Posflg
Corr -0.3
SAO
SAO 164222 DelFlag RA1950 PmRA1950 0.003
DE1950 PmDE1950 0.013 Vmag 8.7 SpType G0
Double code Source 20 CatNum 7520 DM BD-12 5935
DMcomp BDsup HD 201926 M HD 0
GC RA1950rad 5.54281723 DE1950rad -0.20523141 PmRA2000 0.0032
PmDE2000 0.011
CCDM
Ccdm 21130-1133 RComp Comp A Note1
Note2 Discov num DRAs 2.38 DDEs -7.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.7 Sp G0 PmNote *
PmRA 44 PmDE 13 Dm number -12 5935 Cat1 BD
Name2 164222 Cat2 SAO HD 201926 M HD
ADS BDS M ADS BDS N IDS IDS 21076S1158A
HIC
 
 
21130-1133 B
 
 
Coord arcsec 2000 211302.51-113306.0 Mag 10.2 Calc delta mag 0.5 Calc coord yes
CCDM
Ccdm 21130-1133 RComp Comp B Note1
Note2 Discov num VOU 24 DRAs DDEs
R dRAs Year 1939 Theta 021 Rho 0.3
Obs 3 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21076S1158B
HIC
 
 
21130-1133 C
 
 
Coord arcsec 2000 211302.42-113307.2 Mag 12.9 Calc delta mag 3.2 Calc coord yes
CCDM
Ccdm 21130-1133 RComp Comp C Note1
Note2 Discov num RST4077 DRAs DDEs
R dRAs Year 1937 Theta 232 Rho 1.6
Obs 2 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21076S1158C
HIC