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Doubles in session


Current system
13555-0931
HO 261
HD 121444


Nearby doubles
7' : 13557-0925
J 1609AB

15' : 13559-0945
TOK 158

34' : 13577-0917
LDS4421

48' : 13539-0850
RST3853

50' : 13589-0926
GWP2158

55' : 13551-0837
GWP2140AB

56' : 13591-0918
GWP2160

70' : 13598-1001
GWP2162AB

72' : 13559-0820
GWP2144

85' : 13536-0812
CVR 712

89' : 13550-0804
STF1788AB

93' : 13533-0806
GWP2120

94' : 13586-0810
CBL 436

94' : 13550-1105
MRA 16

96' : 14020-0930
WIS 243

98' : 13541-0756
GWP2127

99' : 14012-1023
HJ 4640

100' : 13510-0818
GWP2102

109' : 13539-0746
CBL 148

111' : 13546-0741
GWP2130AB

115' : 13530-0744
GWP2119

115' : 14007-0805
GWP2171

121' : 14034-1002
GWP2197

122' : 14036-0954
TVB 267

124' : 13498-1101
LDS 460

124' : 14037-0904
KPP 303



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.

13555-0931 HO 261 (HD 121444)

 
 
13h 55m 32.17s -09° 31' 25.9" P.A. 181.00 sep 7.1 mag 7.88,10.95 Sp F2IV dist. 124.84 pc (407.23 l.y.)
 
 
Coord 2000 13555-0931 Discov num HO  261 Comp Coord arcsec 2000 13 55 32.17 -09 31 25.9
Date first 1887 Date last 2016 Obs 17
Pa first 182 Pa last 181.2 P.A. Now (θ) 181.2°
Sep first 6.6 Sep last 7.064 Sep. Now (ρ) 7.064"
Mag pri 7.88 Mag sec 10.95 delta mag (ΔM) 3.07 Spectral class F2IV (yellow-white)
Pri motion ra -043 Sec motion ra -051
Pri motion dec +003 Sec motion dec +014
Notes
rPM=0.257 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 121444 Constellation Virgo HIP 68001 Tycho2 5553-01436-1
Gaia DR2 3615652389174798976 HD 121444 BD BD-08 3664 Distance 124.84
Distance ly 407.23
 
 
WDS 13555-0931 HO 261 (HD 121444) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13555-0931 HO 261 1999 10 182 7.0 7.88 10.95 F2IV D 135532.17-093125.9
13555-0931 HO 261 2000 11 181 7.3 7.88 10.95 F2IV D 135532.17-093125.9
13555-0931 HO 261 2010 12 181 6.1 7.88 10.95 F2IV 135532.17-093125.9
13555-0931 HO 261 2015 12 181 7.1 7.88 10.95 F2IV 135532.17-093125.9
13555-0931 HO 261 2016 17 181 7.1 7.88 10.95 F2IV 135532.17-093125.9

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

 
 
WDS 13555-0931 HO 261 (HD 121444) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13555-0931 HO 261 (HD 121444) : MEASURES
 
 
No records found.

 
 
WDS 13555-0931 (HD 121444) : VIRTUAL EYEPIECE
 
 

13555-0931 HO 261A mag 7.88 Sp F2IV 13555-0931 HO 261B sep 7.1 P.A. 181.20 mag 10.95 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 13555-0931 (HD 121444) : ALADIN DSS IMAGE @ 13h 55m 32.17s -09° 31' 25.9"
 
 
 
 
WDS 13555-0931 HO 261 (HD 121444) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13555-0931 HO 261 distance=1' 13557-0925 J 1609AB distance=7' 13557-0925 RAP 19Aa,Ab distance=7' 13559-0945 TOK 158 distance=15' 13577-0917 LDS4421 distance=34' 13539-0850 RST3853 distance=48' 13589-0926 GWP2158 distance=50' 13551-0837 GWP2140AB distance=55' 13591-0918 GWP2160 distance=56' 13598-1001 GWP2162AB distance=70' 13559-0820 GWP2144 distance=72' 13536-0812 CVR 712 distance=85' 13550-0804 STF1788AB distance=89' 13550-0804 STF1788AC distance=89' 13550-0804 STF1788AD distance=89' 13550-0804 TOK 570AE distance=89' 13533-0806 GWP2120 distance=93' 13586-0810 CBL 436 distance=94' 13550-1105 MRA 16 distance=94' 14020-0930 WIS 243 distance=96' 13541-0756 GWP2127 distance=98' 14012-1023 HJ 4640 distance=99' 13510-0818 GWP2102 distance=100' 13539-0746 CBL 148 distance=109' 13546-0741 GWP2130AB distance=111' 13546-0741 GWP2131AC distance=111' 13530-0744 GWP2119 distance=115' 14007-0805 GWP2171 distance=115' 14034-1002 GWP2197 distance=121' 14036-0954 TVB 267 distance=122' 13498-1101 LDS 460 distance=124' 14037-0904 KPP 303 distance=124' 13472-0943 KUI 65 distance=124' 14008-1108 GWP2174AB distance=124' 14008-1108 GWP2175AC distance=124' 13578-1132 RST3856 distance=126' 13472-1000 GWP2086 distance=127' 13570-0727 OCC 13 distance=127' 14010-0752 RST3857 distance=129' 14040-1002 SLW 961 distance=129' 13472-1016 GWP2085 distance=132' 14044-0949 GWP2204 distance=133' 13470-1015 GWP2084 distance=134' 13581-0718 GWP2156 distance=139' 13527-0715 GWP2115 distance=143' 13480-0801 GWP2091 distance=144' 13458-0951 GWP2079AB distance=144' 13458-0951 GWP2080AC distance=144' 14040-1044 SLW 960 distance=145' 14035-1058 RST3858 distance=146' 14052-0903 TOK 160 distance=146' 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 13555-0931 HO 261 181 7.1 1
Show 13557-0925 J 1609 AB 280 10.7 7
Show 13557-0925 RAP 19 Aa,Ab 67 0.1 7
Show 13559-0945 TOK 158 204 8.8 15
Show 13577-0917 LDS4421 15 46.3 34
Show 13539-0850 RST3853 107 0.6 48
Show 13589-0926 GWP2158 150 176.1 50
Show 13551-0837 GWP2140 AB 165 315.6 55
Show 13591-0918 GWP2160 206 13.2 56
Show 13598-1001 GWP2162 AB 87 379.3 70
Show 13559-0820 GWP2144 8 350.3 72
Show 13536-0812 CVR 712 32 8.1 85
Show 13550-0804 STF1788 AB 100 3.7 89
Show 13550-0804 STF1788 AC 298 112.3 89
Show 13550-0804 STF1788 AD 211 143.5 89
Show 13550-0804 TOK 570 AE 228 647.0 89
Show 13533-0806 GWP2120 236 21.6 93
Show 13586-0810 CBL 436 144 13.5 94
Show 13550-1105 MRA 16 175 1.8 94
Show 14020-0930 WIS 243 53 999.9 96
Show 13541-0756 GWP2127 277 305.8 98
Show 14012-1023 HJ 4640 134 4.0 99
Show 13510-0818 GWP2102 315 26.2 100
Show 13539-0746 CBL 148 216 18.7 109
Show 13546-0741 GWP2130 AB 232 3.6 111
Show 13546-0741 GWP2131 AC 21 73.8 111
Show 13530-0744 GWP2119 281 362.2 115
Show 14007-0805 GWP2171 31 56.4 115
Show 14034-1002 GWP2197 26 7.1 121
Show 14036-0954 TVB 267 108 2.7 122
Show 13498-1101 LDS 460 112 30.9 124
Show 14037-0904 KPP 303 281 3.9 124
Show 13472-0943 KUI 65 327 0.1 124
Show 14008-1108 GWP2174 AB 184 76.2 124
Show 14008-1108 GWP2175 AC 225 97.9 124
Show 13578-1132 RST3856 316 2.2 126
Show 13472-1000 GWP2086 333 62.3 127
Show 13570-0727 OCC 13 -1 0.1 127
Show 14010-0752 RST3857 226 1.5 129
Show 14040-1002 SLW 961 144 28.9 129
Show 13472-1016 GWP2085 274 147.2 132
Show 14044-0949 GWP2204 56 23.0 133
Show 13470-1015 GWP2084 205 6.1 134
Show 13581-0718 GWP2156 104 225.0 139
Show 13527-0715 GWP2115 289 12.4 143
Show 13480-0801 GWP2091 143 21.7 144
Show 13458-0951 GWP2079 AB 357 6.8 144
Show 13458-0951 GWP2080 AC 43 7.2 144
Show 14040-1044 SLW 960 199 54.3 145
Show 14035-1058 RST3858 62 2.4 146
Show 14052-0903 TOK 160 352 4.3 146

 
 
WDS 13555-0931 : COMPONENTS
 
 
  A
B pa=181.2°
sep=7.06"
 
 
13555-0931 A
 
 
Componente originario normalizzato AB Name HD 121444 Coord arcsec 2000 135532.17-093125.9 Mag 7.88
Spectral class F2IV (yellow-white) PmRA -43.00 PmDE 3.0 HIP 68001
Tycho2 5553-01436-1 HD 121444 BD BD-08 3664
Tycho2
Tycho2 5553-01436-1 Pflag RAmdeg 208.88404060 DEmdeg -9.52385722
PmRA -42.2 PmDE 4.4 E RAmdeg 6 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.96 EpDEm 1990.62
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.9 Q pmRA 0.9
Q pmDE 1.7 BTmag 8.271 E BTmag 0.017 VTmag 7.876
E VTmag 0.013 Prox 70 TYC T HIP 68001
CCDM A RAdeg 208.88414056 DEdeg -9.52386667 EpRA 1990 1.60
EpDE 1990 1.49 E RAdeg 6.2 E DEdeg 6.6 Posflg
Corr 0.3
Hipparcos
Catalog H HIP 68001 Proxy H RAhms 13 55 32.19
DEdms -09 31 25.9 Vmag 7.76 VarFlag R Vmag G
RAdeg 208.884 DEdeg -9.52386 AstroRef A Plx 6.76
CCDM 13555-0931 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 181 Rho 7.009 HD 121444 BD BD-08 3664
CD CP Dm number -08 3664 VIred 0.46
SpType F0 R SpType Coord arcsec 2000 135532.19-093125.9
Hipparcos 2
HIP 68001 Sn 15 So 3 Nc 2
RArad 3.645716061 DErad -0.1662228073 Plx 8.01 PmRA -45.09
PmDE 2.48 E RArad 0.8 E DErad 0.78 E Plx 1.11
E pmRA 1.04 E pmDE 0.97 Hpmag 7.8574 E Hpmag 0.0024
SHp 0.012 VA 0 BV 0.394 E BV 0.015
VI 0.46
CCDM
Ccdm 13555-0931 RComp Comp A Note1
Note2 Discov num DRAs 2.18 DDEs -23.9
R dRAs 32 Year Theta Rho
Obs 2 Vmag 7.6 Sp F0 PmNote *
PmRA -43 PmDE 25 Dm number -08 3664 Cat1 BD
Name2 Cat2 HD 121444 M HD
ADS BDS A 9056 M ADS BDS N IDS IDS 13502S0902A
HIC 68001
 
 
13555-0931 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 135532.16-093133.0 Mag 10.95 PmRA -51.00
PmDE 14.0 Calc delta mag 3.07 Calc coord yes
CCDM
Ccdm 13555-0931 RComp Comp B Note1
Note2 Discov num HO 261 DRAs DDEs
R dRAs Year 1887 Theta 180 Rho 7.1
Obs 4 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9056 M ADS BDS N IDS IDS 13502S0902B
HIC 68001