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Doubles in session


Current system
17258-1918
RST 5542 AB


Nearby doubles
14' : 17262-1930
GWP2712

16' : 17264-1931
HJ 4953

38' : 17233-1927
HDS2455

44' : 17268-1959
I 599

50' : 17226-1937
MOC 12AB

53' : 17282-1836
RST3102

63' : 17224-1839
ARA 442

65' : 17219-1846
SLE 14

65' : 17250-2022
DON 838

66' : 17226-2004
B 2834

70' : 17307-1907
ARA 714AB

71' : 17306-1933
HU 1180

72' : 17265-1807
ARA 444

75' : 17206-1920
A 2241AB

77' : 17226-1815
ARA 443

79' : 17228-2024
TDT 327

81' : 17232-1807
A 2242

86' : 17203-1842
RST3089

87' : 17234-1758
OCC 14

88' : 17214-1817
ARA 441

88' : 17199-1941
A 2240

91' : 17246-1749
GWP2708

92' : 17200-1959
I 592

93' : 17302-1810
FEN 24

96' : 17194-1849
SLE 12

99' : 17188-1915
I 591



Selections
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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.

17258-1918 RST 5542 AB

 
 
17h 25m 48.78s -19° 17' 42.3" P.A. 321.00 sep 0.2 mag 9.60,9.60 Sp G5V
 
 
Coord 2000 17258-1918 Discov num RST5542 Comp AB Coord arcsec 2000 17 25 48.78 -19 17 42.3
Date first 1951 Date last 2022 Obs 6
Pa first 168 Pa last 321.1 P.A. Now (θ) 321.1°
Sep first 0.2 Sep last 0.159 Sep. Now (ρ) 0.159"
Mag pri 9.60 Mag sec 9.60 delta mag (ΔM) 0 Spectral class G5V (yellow)
Pri motion ra +026 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
17258-1918 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 160539 17 25 49 -19 17 42 RST 5542 AB 2022 6 321 0.2 9.60 9.60 0.00 Y <===
Show 160539 17 25 49 -19 17 42 HLD 135 AB,C 1931 3 89 2.6 8.90 13.10 4.20
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 160539 Tycho2 6242-00476-1 Gaia DR2 4122488251325174144
HD 157733
 
 
ORBITAL ELEMENTS
 
 
Period (P)88.7y Periastron (T)2034.64y Semi-major axis (a)0.288a
Eccentricity (e)0.75 Inclination (i)76° Longitude of periastron (ω)260.3°
Node (Ω)165.9° Notes ReferenceTok2024a
Equinox2000 Last observation2022 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 251.8 0.118
2001 255.7 0.117
2002 259.7 0.116
2003 263.7 0.116
2004 267.7 0.116
2005 271.7 0.117
2006 275.6 0.118
2007 279.4 0.119
2008 283.2 0.121
2009 286.8 0.123
2010 290.3 0.125
2011 293.7 0.128
2012 296.9 0.131
2013 300.0 0.134
2014 303.0 0.137
2015 305.8 0.140
2016 308.5 0.144
2017 311.0 0.147
2018 313.5 0.150
2019 315.8 0.153
2020 318.1 0.156
2021 320.2 0.159
2022 322.3 0.161
2023 324.4 0.162
2024 326.4 0.164
2025 328.4 0.164
2026 330.4 0.163
2027 332.5 0.162
2028 334.6 0.158
2029 336.8 0.153
2030 339.3 0.144
2031 342.1 0.132
2032 345.7 0.113
2033 351.1 0.086
2034 4.1 0.047
2035 98.0 0.019
2036 150.8 0.060
2037 159.9 0.098
2038 164.1 0.129
2039 166.8 0.152
2040 168.9 0.171
2041 170.6 0.186
2042 172.0 0.198
2043 173.3 0.208
2044 174.5 0.216
2045 175.6 0.222
2046 176.7 0.227
2047 177.7 0.231
2048 178.7 0.234
2049 179.7 0.237
2050 180.6 0.238


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds17258-1918a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 17258-1918 RST 5542 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2024a orb - Tokovinin, A. 2024IAUDS.212....1T
Tok2024a Inf. Circ. 212, 1, 2024
 
 
DISCOVERER
 
 
discov author
HLD Holden, E.S.
TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK Martinez, M., & Mondaca, E.
TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK Tokovinin, A. & Briceno, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17258-1918 RST5542 AB 1990 4 218 0.2 9.60 9.60 G5V -19 4627 172548.78-191742.3
17258-1918 RST5542 AB 2008 5 289 0.1 9.60 9.60 G5V -19 4627 172548.78-191742.3
17258-1918 RST5542 AB 2022 6 321 0.2 9.60 9.60 G5V -19 4627 172548.78-191742.3

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

 
 
WDS 17258-1918 RST 5542 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17258-1918 RST 5542 AB : MEASURES
 
 
No records found.

 
 
WDS 17258-1918 : VIRTUAL EYEPIECE
 
 

17258-1918 RST5542A mag 9.6 Sp G5V 17258-1918 RST5542B sep 0.2 P.A. 321.10 mag 9.6 17258-1918 HLD 135C sep 2.6 P.A. 88.90 mag 13.1 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 17258-1918 : ALADIN DSS IMAGE @ 17h 25m 48.78s -19° 17' 42.3"
 
 
 
 
WDS 17258-1918 RST 5542 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17258-1918 RST5542AB distance=0' 17262-1930 GWP2712 distance=14' 17264-1931 HJ 4953 distance=16' 17233-1927 HDS2455 distance=38' 17268-1959 I 599 distance=44' 17226-1937 MOC 12AB distance=50' 17226-1937 MOC 12AC distance=50' 17226-1937 MOC 12AD distance=50' 17282-1836 RST3102 distance=53' 17224-1839 ARA 442 distance=63' 17219-1846 SLE 14 distance=65' 17250-2022 DON 838 distance=65' 17226-2004 B 2834 distance=66' 17307-1907 ARA 714AB distance=70' 17306-1933 HU 1180 distance=71' 17265-1807 ARA 444 distance=72' 17206-1920 A 2241AB distance=75' 17206-1920 OCC 529Aa,Ab distance=75' 17226-1815 ARA 443 distance=77' 17228-2024 TDT 327 distance=79' 17232-1807 A 2242 distance=81' 17203-1842 RST3089 distance=86' 17234-1758 OCC 14 distance=87' 17214-1817 ARA 441 distance=88' 17199-1941 A 2240 distance=88' 17246-1749 GWP2708 distance=91' 17200-1959 I 592 distance=92' 17302-1810 FEN 24 distance=93' 17194-1849 SLE 12 distance=96' 17188-1915 I 591 distance=99' 17212-1802 ARA 249 distance=100' 17221-2044 SEE 326 distance=102' 17300-1755 OCC9210 distance=102' 17226-2049 DON 833 distance=102' 17265-1735 HU 171AB distance=103' 17265-1735 HU 171AC distance=103' 17297-1748 HJ 2806 distance=105' 17333-1923 SZA 4 distance=106' 17283-2058 A 2244AB distance=106' 17283-2058 OCC1098Aa,Ab distance=106' 17189-2005 ARA 713 distance=109' 17307-1753 OCC 11 distance=110' 17178-1940 BHA 18 distance=115' 17317-1757 ARA 257 distance=118' 17321-2035 LDS5226 distance=118' 17258-1720 ARA 251 distance=118' 17342-1910 B 1863AB distance=119' 17342-1910 TOK 418AC distance=119' 17272-1720 ARA 253 distance=119' 17324-1804 ARA 258 distance=120' 17189-2029 ARA1124 distance=121' 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 17258-1918 RST5542 AB 321 0.2 0
Show 17258-1918 HLD 135 AB,C 89 2.6 0
Show 17262-1930 GWP2712 70 11.9 14
Show 17264-1931 HJ 4953 174 18.4 16
Show 17233-1927 HDS2455 314 0.4 38
Show 17268-1959 I 599 133 2.2 44
Show 17226-1937 MOC 12 AB 14 2.8 50
Show 17226-1937 MOC 12 AC 241 4.3 50
Show 17226-1937 MOC 12 AD 177 5.0 50
Show 17282-1836 RST3102 74 0.8 53
Show 17224-1839 ARA 442 307 6.2 63
Show 17219-1846 SLE 14 290 16.3 65
Show 17250-2022 DON 838 340 0.4 65
Show 17226-2004 B 2834 354 6.5 66
Show 17307-1907 ARA 714 AB 300 14.5 70
Show 17306-1933 HU 1180 73 2.2 71
Show 17265-1807 ARA 444 206 6.0 72
Show 17206-1920 A 2241 AB 70 5.3 75
Show 17206-1920 OCC 529 Aa,Ab -1 1.3 75
Show 17226-1815 ARA 443 332 14.0 77
Show 17228-2024 TDT 327 83 0.6 79
Show 17232-1807 A 2242 291 3.1 81
Show 17203-1842 RST3089 159 0.6 86
Show 17234-1758 OCC 14 -1 0.1 87
Show 17214-1817 ARA 441 234 6.6 88
Show 17199-1941 A 2240 203 1.6 88
Show 17246-1749 GWP2708 350 20.6 91
Show 17200-1959 I 592 270 14.7 92
Show 17302-1810 FEN 24 105 5.4 93
Show 17194-1849 SLE 12 203 24.2 96
Show 17188-1915 I 591 36 1.1 99
Show 17212-1802 ARA 249 328 5.4 100
Show 17221-2044 SEE 326 7 0.9 102
Show 17300-1755 OCC9210 233 0.4 102
Show 17226-2049 DON 833 257 7.8 102
Show 17265-1735 HU 171 AB 188 1.7 103
Show 17265-1735 HU 171 AC 209 7.1 103
Show 17297-1748 HJ 2806 194 8.5 105
Show 17333-1923 SZA 4 255 3.2 106
Show 17283-2058 A 2244 AB 66 0.2 106
Show 17283-2058 OCC1098 Aa,Ab -1 0.1 106
Show 17189-2005 ARA 713 300 7.1 109
Show 17307-1753 OCC 11 -1 0.1 110
Show 17178-1940 BHA 18 40 6.0 115
Show 17317-1757 ARA 257 126 11.8 118
Show 17321-2035 LDS5226 69 10.0 118
Show 17258-1720 ARA 251 148 14.8 118
Show 17342-1910 B 1863 AB 99 0.1 119
Show 17342-1910 TOK 418 AC 138 0.2 119
Show 17272-1720 ARA 253 287 11.2 119
Show 17324-1804 ARA 258 75 6.4 120

 
 
WDS 17258-1918 : COMPONENTS
 
 
  A B
B pa=321.1°
sep=0.16"
 
C pa=88.9°
sep=2.61"
pa=91.6°
sep=2.71"
 
 
17258-1918 A
 
 
Coord arcsec 2000 172548.78-191742.3 Mag 9.6 Spectral class G5V (yellow) PmRA 26.00
PmDE -12.0 Tycho2 6242-00476-1 HD 157733
Tycho2
Tycho2 6242-00476-1 Pflag RAmdeg 261.45326674 DEmdeg -19.29509327
PmRA 28.6 PmDE -11.8 E RAmdeg 10 E DEmdeg 12
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.39 EpDEm 1988.83
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 1.0
Q pmDE 0.5 BTmag 9.692 E BTmag 0.024 VTmag 8.944
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 261.45319611 DEdeg -19.29506472 EpRA 1990 1.64
EpDE 1990 1.20 E RAdeg 10.0 E DEdeg 13.3 Posflg
Corr 0.0
CCDM
Ccdm 17258-1918 RComp Comp A Note1
Note2 Discov num DRAs 0.81 DDEs 18.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.6 Sp G0 PmNote *
PmRA 30 PmDE -6 Dm number -19 4627 Cat1 BD
Name2 160539 Cat2 SAO HD 157733 M HD
ADS BDS A10537 M ADS BDS N IDS IDS 17199S1912A
HIC
 
 
17258-1918 B
 
 
Coord arcsec 2000 172548.77-191742.2 Mag 9.6 Coordinate calculated yes
CCDM
Ccdm 17258-1918 RComp Comp B Note1
Note2 Discov num RST5542 DRAs DDEs
R dRAs Year 1951 Theta 168 Rho 0.2
Obs 1 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10537 M ADS BDS N IDS IDS 17199S1912B
HIC
 
 
17258-1918 C
 
 
Coord arcsec 2000 172548.96-191742.2 Mag 13.1 Delta magnitude 3.5 Coordinate calculated yes
CCDM
Ccdm 17258-1918 RComp Comp C Note1
Note2 Discov num HLD 135 DRAs DDEs
R dRAs Year 1931 Theta 089 Rho 2.6
Obs 2 Vmag 13.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10537 M ADS BDS N IDS IDS 17199S1912C
HIC