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Doubles in session


Current system
18516-6054
RST 5126
HD 173895


Nearby doubles
15' : 18502-6104
RST5124

26' : 18482-6100
RST5123

44' : 18567-6031
TDT1142

50' : 18500-6005
TDT1078

64' : 19003-6054
TVB 307

66' : 18564-6149
HJ 5069AB

69' : 18595-6132
LPO 65

70' : 18421-6046
TDT1011

70' : 18504-6203
RSS 492

72' : 19013-6106
NSN 473

78' : 18522-6211
HJ 5062

81' : 18413-6026
TOK 619

84' : 18481-6214
CAB 8

99' : 18414-6201
RSS 489

99' : 18415-6201
TDT1000

102' : 19045-6018
RST5128

105' : 18445-6226
WIS 330

113' : 18506-5902
B 947

115' : 18419-5926
UC 3641

115' : 18471-6244
CPO 83

116' : 19068-6128
JSP 801

119' : 18565-6247
KPP 429

121' : 18380-6205
UC 3631

126' : 18346-6034
RST5115

127' : 19087-6038
LDS 666

130' : 18418-6244
TDS 933



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.

18516-6054 RST 5126 (HD 173895)

 
 
18h 51m 34.80s -60° 53' 44.5" P.A. 144.00 sep 0.1 mag 7.92,8.78 Sp F0/2IV/V dist. 162.07 pc (528.67 l.y.)
 
 
Coord 2000 18516-6054 Discov num RST5126 Comp Coord arcsec 2000 18 51 34.80 -60 53 44.5
Date first 1942 Date last 2021 Obs 16
Pa first 247 Pa last 143.8 P.A. Now (θ) 158.5°
Sep first 0.2 Sep last 0.123 Sep. Now (ρ) 0.138"
Mag pri 7.92 Mag sec 8.78 delta mag (ΔM) 0.86 Spectral class F0/2IV/V (yellow-white)
Pri motion ra +032 Sec motion ra
Pri motion dec -035 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173895 Constellation Pavo SAO 254390 HIP 92547
Tycho2 9070-00843-1 Gaia DR2 6632086295721488640 HD 173895 GC 25804
CP CP-61 6260 Distance 162.07 Distance ly 528.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)54.16y± 3.17 Periastron (T)2011.97y± 0.36 Semi-major axis (a)0.13a± 0.005
Eccentricity (e)0.492± 0.02 Inclination (i)21.7°± 13.8 Longitude of periastron (ω)12.8°± 36.1
Node (Ω)15°± 34.5 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 253.0 0.140
2001 257.8 0.134
2002 263.2 0.127
2003 269.2 0.119
2004 276.0 0.111
2005 283.9 0.104
2006 293.0 0.096
2007 303.7 0.089
2008 316.2 0.082
2009 330.9 0.076
2010 347.9 0.071
2011 7.0 0.067
2012 27.5 0.066
2013 48.5 0.066
2014 68.6 0.069
2015 86.5 0.074
2016 101.7 0.081
2017 114.5 0.089
2018 125.0 0.097
2019 133.8 0.106
2020 141.3 0.115
2021 147.8 0.123
2022 153.4 0.131
2023 158.5 0.138
2024 163.0 0.145
2025 167.1 0.152
2026 170.9 0.158
2027 174.4 0.164
2028 177.7 0.169
2029 180.8 0.173
2030 183.7 0.177


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


 
  


wds18516-6054a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18516-6054 RST 5126 (HD 173895) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2015c orb+j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
idgroup discov author
1 RST Rossiter, R.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18516-6054 RST5126 1991 6 223 0.2 7.92 8.78 F0/2IV/V 185134.80-605344.5
18516-6054 RST5126 2009 8 154 0.1 7.92 8.78 F0/2IV/V 185134.80-605344.5
18516-6054 RST5126 2013 9 243 0.1 7.92 8.78 F0/2IV/V 185134.80-605344.5
18516-6054 RST5126 2014 12 264 0.1 7.92 8.78 F0/2IV/V O 185134.80-605344.5
18516-6054 RST5126 2017 13 294 0.1 7.92 8.78 F0/2IV/V O 185134.80-605344.5
18516-6054 RST5126 2018 14 302 0.1 7.92 8.78 F0/2IV/V O 185134.80-605344.5
18516-6054 RST5126 2019 15 131 0.1 7.92 8.78 F0/2IV/V O 185134.80-605344.5
18516-6054 RST5126 2021 16 144 0.1 7.92 8.78 F0/2IV/V O 185134.80-605344.5

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

 
 
WDS 18516-6054 RST 5126 (HD 173895) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18516-6054 RST 5126 (HD 173895) : MEASURES
 
 
No records found.

 
 
WDS 18516-6054 (HD 173895) : VIRTUAL EYEPIECE
 
 

18516-6054 RST5126A mag 7.92 Sp F0/2IV/V 18516-6054 RST5126B sep 0.1 P.A. 160.40 mag 8.78 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 18516-6054 (HD 173895) : ALADIN DSS IMAGE @ 18h 51m 34.80s -60° 53' 44.5"
 
 
 
 
WDS 18516-6054 RST 5126 (HD 173895) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18516-6054 RST5126 distance=0' 18502-6104 RST5124 distance=15' 18482-6100 RST5123 distance=26' 18567-6031 TDT1142 distance=44' 18500-6005 TDT1078 distance=50' 19003-6054 TVB 307 distance=64' 18564-6149 HJ 5069AB distance=66' 18564-6149 HJ 5069AB,C distance=66' 18595-6132 LPO 65 distance=69' 18421-6046 TDT1011 distance=70' 18504-6203 RSS 492 distance=70' 19013-6106 NSN 473 distance=72' 18522-6211 HJ 5062 distance=78' 18413-6026 TOK 619 distance=81' 18481-6214 CAB 8 distance=84' 18414-6201 RSS 489 distance=99' 18415-6201 TDT1000 distance=99' 19045-6018 RST5128 distance=102' 18445-6226 WIS 330 distance=105' 18506-5902 B 947 distance=113' 18419-5926 UC 3641 distance=115' 18471-6244 CPO 83 distance=115' 19068-6128 JSP 801 distance=116' 18565-6247 KPP 429 distance=119' 18380-6205 UC 3631 distance=121' 18346-6034 RST5115 distance=126' 19087-6038 LDS 666 distance=127' 18418-6244 TDS 933 distance=130' 18424-5858 UC 3649 distance=135' 19110-6113 UC 3834 distance=143' 18550-6314 RST1006AB distance=143' 18550-6314 UC 3720AC distance=143' 18319-6109 SPM 35 distance=144' 19110-6016 CVN 104 distance=148' 19106-6003 HJ 5085 distance=150' 18445-5832 B 2457 distance=152' 18576-6321 SKF 372 distance=154' 19015-5840 SKF 374 distance=154' 18596-6318 UC 3749 distance=156' 19096-5933 UC 3826 distance=157' 19048-6301 HJ 5076 distance=158' 18597-6327 TSN 188 distance=164' 18319-5934 I 633 distance=167' 18388-6323 HDS2643 distance=174' 18431-6338 TDS 938 distance=175' 18482-5759 UC 3675 distance=177' 19072-5842 TOI1110 distance=177' 18519-5756 HJ 5065 distance=178' 19063-6320 RST1019 distance=179' 18521-5754 DAW9011 distance=181' 18355-6319 RST 991 distance=184' 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 18516-6054 RST5126 144 0.1
Show 18502-6104 RST5124 155 2.2 15
Show 18482-6100 RST5123 320 1.6 26
Show 18567-6031 TDT1142 152 2.7 44
Show 18500-6005 TDT1078 111 1.4 50
Show 19003-6054 TVB 307 29 10.4 64
Show 18564-6149 HJ 5069 AB 84 0.4 66
Show 18564-6149 HJ 5069 AB,C 99 14.2 66
Show 18595-6132 LPO 65 214 5.2 69
Show 18421-6046 TDT1011 43 0.7 70
Show 18504-6203 RSS 492 188 14.2 70
Show 19013-6106 NSN 473 304 16.6 72
Show 18522-6211 HJ 5062 205 60.6 78
Show 18413-6026 TOK 619 19 999.9 81
Show 18481-6214 CAB 8 290 550.3 84
Show 18414-6201 RSS 489 100 14.1 99
Show 18415-6201 TDT1000 343 0.7 99
Show 19045-6018 RST5128 211 2.1 102
Show 18445-6226 WIS 330 273 777.2 105
Show 18506-5902 B 947 283 0.7 113
Show 18419-5926 UC 3641 149 13.9 115
Show 18471-6244 CPO 83 3 1.8 115
Show 19068-6128 JSP 801 234 0.7 116
Show 18565-6247 KPP 429 113 3.8 119
Show 18380-6205 UC 3631 303 51.4 121
Show 18346-6034 RST5115 77 0.6 126
Show 19087-6038 LDS 666 72 91.2 127
Show 18418-6244 TDS 933 235 0.7 130
Show 18424-5858 UC 3649 304 91.5 135
Show 19110-6113 UC 3834 100 10.2 143
Show 18550-6314 RST1006 AB 305 1.2 143
Show 18550-6314 UC 3720 AC 47 30.4 143
Show 18319-6109 SPM 35 345 34.4 144
Show 19110-6016 CVN 104 162 0.6 148
Show 19106-6003 HJ 5085 241 2.3 150
Show 18445-5832 B 2457 246 1.4 152
Show 18576-6321 SKF 372 9 24.5 154
Show 19015-5840 SKF 374 18 21.3 154
Show 18596-6318 UC 3749 169 37.8 156
Show 19096-5933 UC 3826 96 13.3 157
Show 19048-6301 HJ 5076 232 10.4 158
Show 18597-6327 TSN 188 11 0.0 164
Show 18319-5934 I 633 334 0.5 167
Show 18388-6323 HDS2643 148 0.2 174
Show 18431-6338 TDS 938 306 1.4 175
Show 18482-5759 UC 3675 70 9.8 177
Show 19072-5842 TOI1110 81 8.9 177
Show 18519-5756 HJ 5065 21 22.4 178
Show 19063-6320 RST1019 141 0.7 179
Show 18521-5754 DAW9011 260 6.8 181
Show 18355-6319 RST 991 6 0.6 184

 
 
WDS 18516-6054 : COMPONENTS
 
 
  A
B pa=160.4°
sep=0.11"
 
 
18516-6054 A
 
 
Componente originario normalizzato AB Name HD 173895 Coord arcsec 2000 185134.80-605344.5 Mag 7.92
Spectral class F0/2IV/V (yellow-white) PmRA 32.00 PmDE -35.0 SAO 254390
HIP 92547 Tycho2 9070-00843-1 HD 173895 GC 25804
CP CP-61 6260
Tycho2
Tycho2 9070-00843-1 Pflag RAmdeg 282.89516510 DEmdeg -60.89578009
PmRA 31.0 PmDE -30.6 E RAmdeg 4 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.36 EpDEm 1991.10
Num 13 Q RAmdeg 0.5 Q DEmdeg 1.2 Q pmRA 0.5
Q pmDE 1.2 BTmag 7.798 E BTmag 0.015 VTmag 7.468
E VTmag 0.011 Prox 999 TYC T HIP 92547
CCDM AB RAdeg 282.89501722 DEdeg -60.89570833 EpRA 1990 1.65
EpDE 1990 1.56 E RAdeg 4.3 E DEdeg 4.5 Posflg P
Corr 0.1
SAO
SAO 254390 DelFlag RA1950 PmRA1950 0.0041
DE1950 PmDE1950 -0.023 Vmag 7.4 SpType F0
Double code Source 70 CatNum 25804 DM CP-61 6260
DMcomp BDsup HD 173895 M HD 0
GC 25804 RA1950rad 4.91771386 DE1950rad -1.0638593 PmRA2000 0.0032
PmDE2000 -0.025
Hipparcos
Catalog H HIP 92547 Proxy H RAhms 18 51 34.80
DEdms -60 53 44.5 Vmag 7.45 VarFlag R Vmag G
RAdeg 282.895 DEdeg -60.8957 AstroRef * Plx 5.03
CCDM 18516-6054 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 223 Rho 0.168 HD 173895 BD
CD CP CP-61 6260 Dm number -61 6260 VIred 0.39
SpType F0/F2IV/V R SpType Coord arcsec 2000 185134.80-605344.5
Hipparcos 2
HIP 92547 Sn 55 So 3 Nc 2
RArad 4.937449276 DErad -1.0628306058 Plx 6.17 PmRA 30.96
PmDE -32.25 E RArad 0.45 E DErad 0.45 E Plx 0.67
E pmRA 0.61 E pmDE 0.66 Hpmag 7.5116 E Hpmag 0.0011
SHp 0.01 VA 0 BV 0.333 E BV 0.006
VI 0.39
CCDM
Ccdm 18516-6054 RComp Comp A Note1
Note2 Discov num DRAs -1.19 DDEs 16.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp F0 PmNote *
PmRA 31 PmDE -22 Dm number -61 6260 Cat1 CPD
Name2 254390 Cat2 SAO HD 173895 M HD
ADS BDS M ADS BDS N IDS IDS 18425S6101A
HIC 92547
 
 
18516-6054 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185134.80-605344.6 Mag 8.78 Calc delta mag 0.86
Calc coord yes
CCDM
Ccdm 18516-6054 RComp Comp B Note1
Note2 Discov num RST5126 DRAs DDEs
R dRAs Year 1942 Theta 247 Rho 0.2
Obs 1 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18425S6101B
HIC 92547