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Doubles in session


Current system
17240-0921
RST 3972 Aa,Ab


Nearby doubles
19' : 17250-0913
GWP2710AB

19' : 17250-0931
FOX 201AB

39' : 17254-0850
HDS2460

51' : 17208-0902
A 28

77' : 17283-0839
A 29

88' : 17293-0959
STF2171

93' : 17209-1042
RST3971

100' : 17200-0801
ENG 60AB

101' : 17260-0745
RST3975AB

106' : 17300-0825
STF2169

107' : 17305-1006
RST3978

108' : 17217-1103
HU 173

118' : 17297-0801
RST3977

121' : 17321-0912
A 2594

122' : 17317-0959
HDS2474

126' : 17157-0949
A 2592AB

128' : 17192-1107
REI 1AB

129' : 17326-0901
LDS 605

133' : 17174-0752
STF2144

135' : 17199-1121
STF2148

135' : 17323-0828
HJ 4960

136' : 17156-0825
BRT 467

136' : 17231-0706
TOK 312

137' : 17156-1018
BU 957

139' : 17309-1055
RST3979

139' : 17226-0704
KPP4036



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.

17240-0921 RST 3972 Aa,Ab

 
 
17h 23m 57.87s -09° 21' 29.7" P.A. 161.00 sep 0.1 mag 8.50,8.70 Sp G0 dist. 58.72 pc (191.54 l.y.)
 
 
Coord 2000 17240-0921 Discov num RST3972 Comp Aa,Ab Coord arcsec 2000 17 23 57.87 -09 21 29.7
Date first 1938 Date last 2022 Obs 45
Pa first 279 Pa last 161 P.A. Now (θ) 241.4° (calc)
Sep first 0.2 Sep last 0.078 Sep. Now (ρ) 0.207" (calc)
Mag pri 8.50 Mag sec 8.70 delta mag (ΔM) 0.2 Spectral class G0 (yellow)
Pri motion ra -021 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
17240-0921 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 208770 17 23 58 -09 21 30 RST 3972 Aa,Ab 2022 45 161 0.1 8.50 8.70 0.20 Y <===
Show 141647 17 23 58 -09 21 30 TOK 179 AB 2015 8 298 18.9 7.84 15.92 8.08
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 208770 HIP 85141 Tycho2 5658-00307-1
Gaia DR2 4167212158051410304 HD 157498 BD BD-09 4546 Distance 58.72
Distance ly 191.54
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.28y± 0.05 Periastron (T)2021.269y± 0.03 Semi-major axis (a)0.1473a± 0.001
Eccentricity (e)0.5726± 0.0025 Inclination (i)24.6°± 1.5 Longitude of periastron (ω)24.3°± 5.7
Node (Ω)61.6°± 2.4 Notesn ReferenceDoc2022e
Equinox2000 Last observation2022 Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 276.5 0.216
2001 285.2 0.201
2002 295.7 0.180
2003 309.5 0.152
2004 330.3 0.119
2005 8.2 0.085
2006 85.0 0.062
2007 168.8 0.084
2008 204.5 0.127
2009 222.5 0.164
2010 234.5 0.192
2011 243.8 0.211
2012 251.9 0.223
2013 259.3 0.228
2014 266.6 0.227
2015 274.3 0.220
2016 282.6 0.206
2017 292.5 0.186
2018 305.1 0.161
2019 323.4 0.129
2020 354.8 0.094
2021 58.6 0.066
2022 151.2 0.073
2023 197.3 0.115
2024 218.4 0.155
2025 231.5 0.185
2026 241.4 0.207
2027 249.7 0.221
2028 257.3 0.228
2029 264.6 0.228
2030 272.1 0.222
2031 280.2 0.210
2032 289.5 0.193
2033 301.2 0.168
2034 317.4 0.138
2035 343.9 0.104
2036 35.9 0.072
2037 128.2 0.065
2038 188.3 0.103
2039 213.6 0.145
2040 228.3 0.178
2041 238.8 0.201
2042 247.5 0.217
2043 255.2 0.226
2044 262.5 0.229
2045 269.9 0.225
2046 277.8 0.214
2047 286.7 0.198
2048 297.6 0.176
2049 312.2 0.147
2050 334.8 0.114


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds17240-0921c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 17240-0921 RST 3972 Aa,Ab : NOTES
 
 
discov_num notes refcode
RST3972 High mass-sum, sp duplicity? Sod1999
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.80 +/- 0.64, 2.18, and 1.05 Msun, respectively. Mlk2012
Aa,Ab: Martin et al. (1998) derive component masses 1.791 +/- 0.499
and 1.749 +/- 0.489 Msun. Mig1998
TOK 179 HIP 85141. Aa,Ab = RST3972, Tok2011a
 
 
REFERENCES
 
 
refcode metd author reference
Doc2022e orb - Docobo, J.A., Campo, P., Mendez, R.A., & Costa, E. 2022IAUDS.208....1S
Doc2022e Inf. Circ. 208, 1, 2022
Mig1998 orb - Martin, Ch., Mignard, F., Hartkopf, W.I., & McAlister, H.A. 1998A&AS..133..149M
Mig1998 A&AS 133, 149, 1998
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sod1999 orb - Soderhjelm, S. 1999A&A...341..121S
Sod1999 A&A 341, 121, 1999
Tok2011a E2 - Tokovinin, A. 2011AJ....141...52T
Tok2011a +C+ AJ 141, 52, 2011
Tok2011a +Hh
 
 
DISCOVERER
 
 
discov author
DOC Docobo, J. (Docobo et al.)
DOC Docobo, J.A., Andrade, M., Ling, J.F., Prieto, C., Tamazian, V.S., Balega, Yu.Yu.,
DOC Blanco, J., Maximov, A.F., et al.
DOC Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y.,
DOC Lahulla, J.F., & Maximov, A.
DOC Docobo, J.A., Tamazian, V.S., Balega, Y.Y., Andrade, M., Schertl, D., Weigelt, G.,
DOC Campo, P., & Palacios, M.
DOC Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y.,
DOC Lahulla, J.F., & Maximov, A.
DOC Highlights of Spanish Astrophysics V, Ap&SS Proc. (Springer-Verlag, Berlin),
DOC p 491, 2010 (no data)
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
17240-0921 RST3972 Aa,Ab 2008 35 217 0.1 8.50 8.70 G0 -09 4546 NOD 172357.87-092129.7
17240-0921 RST3972 Aa,Ab 2013 36 263 0.2 8.50 8.70 G0 -09 4546 NO 172357.87-092129.7
17240-0921 RST3972 Aa,Ab 2015 37 278 0.2 8.50 8.70 G0 -09 4546 NO 172357.87-092129.7
17240-0921 RST3972 Aa,Ab 2018 38 312 0.2 8.50 8.70 G0 -09 4546 NO 172357.87-092129.7
17240-0921 RST3972 Aa,Ab 2019 39 332 0.1 8.50 8.70 G0 -09 4546 NO 172357.87-092129.7
17240-0921 RST3972 Aa,Ab 2020 40 4 0.1 8.50 8.70 G0 -09 4546 NO 172357.87-092129.7
17240-0921 RST3972 Aa,Ab 2021 43 114 0.1 8.50 8.70 G0 -09 4546 NO 172357.87-092129.7
17240-0921 RST3972 Aa,Ab 2022 45 161 0.1 8.50 8.70 G0 -09 4546 NO 172357.87-092129.7

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

 
 
WDS 17240-0921 RST 3972 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17240-0921 RST 3972 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 17240-0921 : VIRTUAL EYEPIECE
 
 

17240-0921 TOK 179A mag 7.84 Sp G0 17240-0921 RST3972Ab sep 0.1 P.A. 161.00 mag 8.7 17240-0921 TOK 179B sep 18.9 P.A. 297.50 mag 15.92 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 17240-0921 : ALADIN DSS IMAGE @ 17h 23m 57.87s -09° 21' 29.7"
 
 
 
 
WDS 17240-0921 RST 3972 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17240-0921 RST3972Aa,Ab distance=0' 17250-0913 GWP2710AB distance=19' 17250-0931 FOX 201AB distance=19' 17250-0931 FOX 201AC distance=19' 17254-0850 HDS2460 distance=39' 17208-0902 A 28 distance=51' 17283-0839 A 29 distance=77' 17293-0959 STF2171 distance=88' 17209-1042 RST3971 distance=93' 17200-0801 CHR 151Aa,Ab distance=100' 17200-0801 ENG 60AB distance=100' 17260-0745 RST3975AB distance=101' 17260-0745 GII 246Aa,Ab distance=101' 17300-0825 STF2169 distance=106' 17305-1006 RST3978 distance=107' 17217-1103 HU 173 distance=108' 17297-0801 RST3977 distance=118' 17321-0912 A 2594 distance=121' 17317-0959 HDS2474 distance=122' 17157-0949 TOK 53Ba,Bb distance=126' 17157-0949 A 2592AB distance=126' 17192-1107 REI 1AB distance=128' 17192-1107 KPP4389AC distance=128' 17326-0901 LDS 605 distance=129' 17174-0752 STF2144 distance=133' 17199-1121 STF2148 distance=135' 17323-0828 HJ 4960 distance=135' 17156-0825 BRT 467 distance=136' 17231-0706 TOK 312 distance=136' 17156-1018 BU 957 distance=137' 17309-1055 RST3979 distance=139' 17226-0704 KPP4036 distance=139' 17240-1142 BU 242AB distance=141' 17240-1142 BU 242AC distance=141' 17240-1142 BU 242AD distance=141' 17207-0706 A 2593AB distance=144' 17207-0706 TOK 178AC distance=144' 17204-1138 ARY 110 distance=146' 17313-1058 HU 673AB distance=146' 17313-1058 TOK 708Ba,Bb distance=146' 17306-1111 GWP2716 distance=148' 17162-1054 LSC 72 distance=148' 17136-0917 BU 1247AB distance=154' 17141-0824 BAR 7 distance=157' 17137-0831 WRH 8 distance=161' 17137-0825 TSN 181 distance=163' 17348-0833 KPP1917 distance=168' 17252-0634 JNN 114 distance=169' 17178-1149 LDS 593AB distance=174' 17178-1149 CRC 23AC distance=174' 17272-1209 HU 175 distance=174' 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 17240-0921 RST3972 Aa,Ab 161 0.1 0
Show 17240-0921 TOK 179 AB 298 18.9 0
Show 17250-0913 GWP2710 AB 194 58.5 19
Show 17250-0931 FOX 201 AB 124 6.0 19
Show 17250-0931 FOX 201 AC 324 7.2 19
Show 17254-0850 HDS2460 341 0.7 39
Show 17208-0902 A 28 36 2.0 51
Show 17283-0839 A 29 97 3.2 77
Show 17293-0959 STF2171 59 1.4 88
Show 17209-1042 RST3971 80 8.6 93
Show 17200-0801 CHR 151 Aa,Ab 219 0.3 100
Show 17200-0801 ENG 60 AB 232 89.8 100
Show 17260-0745 RST3975 AB 28 1.0 101
Show 17260-0745 GII 246 Aa,Ab 166 0.2 101
Show 17300-0825 STF2169 111 15.5 106
Show 17305-1006 RST3978 276 0.5 107
Show 17217-1103 HU 173 345 0.6 108
Show 17297-0801 RST3977 308 0.3 118
Show 17321-0912 A 2594 300 0.8 121
Show 17317-0959 HDS2474 151 0.1 122
Show 17157-0949 TOK 53 Ba,Bb 183 0.0 126
Show 17157-0949 A 2592 AB 62 0.2 126
Show 17192-1107 REI 1 AB 352 8.7 128
Show 17192-1107 KPP4389 AC 142 48.8 128
Show 17326-0901 LDS 605 343 7.6 129
Show 17174-0752 STF2144 178 25.9 133
Show 17199-1121 STF2148 220 5.6 135
Show 17323-0828 HJ 4960 93 6.1 135
Show 17156-0825 BRT 467 194 4.4 136
Show 17231-0706 TOK 312 167 119.8 136
Show 17156-1018 BU 957 47 0.1 137
Show 17309-1055 RST3979 258 0.5 139
Show 17226-0704 KPP4036 85 1.7 139
Show 17240-1142 BU 242 AB 79 1.2 141
Show 17240-1142 BU 242 AC 64 9.1 141
Show 17240-1142 BU 242 AD 61 48.3 141
Show 17207-0706 A 2593 AB 319 0.2 144
Show 17207-0706 TOK 178 AC 109 10.2 144
Show 17204-1138 ARY 110 237 77.1 146
Show 17313-1058 HU 673 AB 179 5.6 146
Show 17313-1058 TOK 708 Ba,Bb 319 0.3 146
Show 17306-1111 GWP2716 123 13.6 148
Show 17162-1054 LSC 72 153 1.1 148
Show 17136-0917 BU 1247 AB 340 1.5 154
Show 17141-0824 BAR 7 44 1.5 157
Show 17137-0831 WRH 8 340 10.9 161
Show 17137-0825 TSN 181 148 0.0 163
Show 17348-0833 KPP1917 281 15.1 168
Show 17252-0634 JNN 114 284 0.4 169
Show 17178-1149 LDS 593 AB 338 30.1 174
Show 17178-1149 CRC 23 AC 145 4.7 174

 
 
WDS 17240-0921 : COMPONENTS
 
 
  A Ab
Ab pa=161.0°
sep=0.08"
 
B pa=297.5°
sep=18.89"
pa=297.7°
sep=18.94"
 
 
17240-0921 A
 
 
Coord arcsec 2000 172357.87-092129.7 Mag 7.84 Spectral class G0 (yellow) PmRA -24.00
PmDE -18.0 SAO 208770 HIP 85141 Tycho2 5658-00307-1
BD BD-09 4546
Tycho2
Tycho2 5658-00307-1 Pflag RAmdeg 260.99108139 DEmdeg -9.35830710
PmRA -24.6 PmDE -18.7 E RAmdeg 5 E DEmdeg 8
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.92 EpDEm 1989.36
Num 17 Q RAmdeg 1.8 Q DEmdeg 1.6 Q pmRA 1.7
Q pmDE 1.7 BTmag 8.615 E BTmag 0.018 VTmag 7.901
E VTmag 0.012 Prox 999 TYC T HIP 85141
CCDM RAdeg 260.99113833 DEdeg -9.35826111 EpRA 1990 1.80
EpDE 1990 1.33 E RAdeg 5.3 E DEdeg 7.5 Posflg
Corr 0.0
SAO
SAO 208770 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 0.012 Vmag 9.9 SpType A5
Double code Source 41 CatNum 8692 DM CD-3711537
DMcomp BDsup HD 157340 M HD 0
GC RA1950rad 4.54163894 DE1950rad -0.65130261 PmRA2000 -0.0013
PmDE2000 0.013
Hipparcos
Catalog H HIP 85141 Proxy RAhms 17 23 57.87
DEdms -09 21 29.7 Vmag 7.84 VarFlag R Vmag H
RAdeg 260.991 DEdeg -9.35826 AstroRef Plx 15.51
CCDM -16.53 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD BD BD-09 4546
CD CP Dm number -09 4546 VIred 0.69
SpType G0 R SpType Coord arcsec 2000 172357.87-092129.7
Hipparcos 2
HIP 85141 Sn 7 So 1 Nc 1
RArad 4.5551548149 DErad -0.1633324356 Plx 17.03 PmRA -17.15
PmDE -4.16 E RArad 0.97 E DErad 0.55 E Plx 1.04
E pmRA 1.2 E pmDE 0.65 Hpmag E Hpmag 0.0026
SHp 0.014 VA 0 BV 0.621 E BV 0.001
VI 0.69
CCDM
Ccdm 17240-0921 RComp Comp A Note1
Note2 Discov num DRAs -2.21 DDEs -29.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp G0 PmNote *
PmRA -35 PmDE -8 Dm number -09 4546 Cat1 BD
Name2 141647 Cat2 SAO HD 157498 M HD
ADS BDS M ADS BDS N IDS IDS 17185S0916A
HIC 85141
 
 
17240-0921 Ab
 
 
Coord arcsec 2000 172357.87-092129.8 Mag 8.7 Delta magnitude 0.2 Coordinate calculated yes
 
 
17240-0921 B
 
 
Coord arcsec 2000 172356.74-092121.0 Mag 15.92 PmRA -3.00 PmDE 2.0
Delta magnitude 7.42 Coordinate calculated yes
CCDM
Ccdm 17240-0921 RComp Comp B Note1 *
Note2 Discov num RST3972 DRAs DDEs
R dRAs Year 1958 Theta 332 Rho 0.1
Obs 7 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17185S0916B
HIC 85141