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Doubles in session


Current system
16318-0216
A 693
HD 148943


Nearby doubles
15' : 16308-0218
RST5059

36' : 16302-0149
GWP2638

68' : 16281-0135
RST5057

70' : 16364-0219
BUP 171

72' : 16341-0114
RST5060

83' : 16370-0240
HDS2349

83' : 16290-0104
BAL 888

93' : 16278-0104
GIC 142AB

98' : 16252-0218
UC 3165

101' : 16372-0117
ROE 95AB

101' : 16276-0334
VYS 7

102' : 16375-0121
J 2094

104' : 16386-0204
RST5062

105' : 16307-0359
NSN 154

109' : 16245-0214
WIS 302

113' : 16344-0401
FMR 154

118' : 16268-0347
RST4560

121' : 16246-0121
BAL 565

126' : 16394-0306
BU 820AB

127' : 16348-0412
GIC 144AB

127' : 16238-0258
TOK 901

130' : 16241-0116
GWP2631

131' : 16278-0413
CVR 823

137' : 16405-0256
UC 3205

142' : 16402-0112
BAL 567

143' : 16226-0137
RST5052



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.

16318-0216 A 693 (HD 148943)

 
 
16h 31m 45.09s -02° 15' 36.0" P.A. 94.00 sep 0.2 mag 9.24,9.29 Sp F5 dist. 168.63 pc (550.07 l.y.)
 
 
Coord 2000 16318-0216 Discov num A   693 Comp Coord arcsec 2000 16 31 45.09 -02 15 36.0
Date first 1904 Date last 2018 Obs 52
Pa first 8 Pa last 93.9 P.A. Now (θ) 81.9°
Sep first 0.2 Sep last 0.159 Sep. Now (ρ) 0.18"
Mag pri 9.24 Mag sec 9.29 delta mag (ΔM) 0.05 Spectral class F5 (yellow-white)
Pri motion ra +021 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 148943 Constellation Ophiuchus SAO 141224 HIP 80949
Tycho2 5052-00207-1 Gaia DR2 4358176437072221952 HD 148943 ADS 10095
BD BD-01 3206 Distance 168.63 Distance ly 550.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)96.18y± 0.89 Periastron (T)1991.33y± 0.68 Semi-major axis (a)0.195a± 0.003
Eccentricity (e)0.278± 0.011 Inclination (i)129.3°± 1.7 Longitude of periastron (ω)344.2°± 3.8
Node (Ω)220.9°± 2.2 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 192.9 0.135
2001 188.1 0.132
2002 183.0 0.130
2003 177.8 0.127
2004 172.3 0.125
2005 166.6 0.123
2006 160.8 0.121
2007 154.8 0.120
2008 148.8 0.120
2009 142.8 0.120
2010 136.8 0.121
2011 131.0 0.123
2012 125.5 0.126
2013 120.1 0.129
2014 115.1 0.133
2015 110.3 0.137
2016 105.8 0.142
2017 101.7 0.147
2018 97.8 0.152
2019 94.1 0.157
2020 90.8 0.163
2021 87.6 0.168
2022 84.7 0.174
2023 81.9 0.180
2024 79.3 0.185
2025 76.8 0.191
2026 74.5 0.196
2027 72.3 0.201
2028 70.2 0.206
2029 68.2 0.211
2030 66.3 0.215


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


 
  


wds16318-0216a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16318-0216 A 693 (HD 148943) : NOTES
 
 
discov_num notes refcode
A 693 Only elements P, T, and a have been amended from the orbit of Sta1978c
Heintz (1963). Hei1963a
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 3.89 +/- 3.44, 2.97, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hei1963a orb - Heintz, W.D. 1963VeMun...5..247H
Hei1963a Veroff. Sternw. Munchen 5, 247-268, 1963
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sta1978c orb - Starikova, G.A. 1978ATsir1002....3S
Sta1978c Astron. Tsirk. #1002, 3, 1978
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 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16318-0216 A 693 1995 48 216 0.1 9.24 9.29 F5 NO 163145.09-021536.0
16318-0216 A 693 2009 50 140 0.1 9.24 9.29 F5 NO 163145.09-021536.0
16318-0216 A 693 2014 51 111 0.1 9.24 9.29 F5 NO 163145.09-021536.0
16318-0216 A 693 2018 52 94 0.2 9.24 9.29 F5 NO 163145.09-021536.0

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

 
 
WDS 16318-0216 A 693 (HD 148943) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16318-0216 A 693 (HD 148943) : MEASURES
 
 
No records found.

 
 
WDS 16318-0216 (HD 148943) : VIRTUAL EYEPIECE
 
 

16318-0216 A 693A mag 9.24 Sp F5 16318-0216 A 693B sep 0.2 P.A. 93.90 mag 9.29 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 16318-0216 (HD 148943) : ALADIN DSS IMAGE @ 16h 31m 45.09s -02° 15' 36.0"
 
 
 
 
WDS 16318-0216 A 693 (HD 148943) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16318-0216 A 693 distance=0' 16308-0218 RST5059 distance=15' 16302-0149 GWP2638 distance=36' 16281-0135 RST5057 distance=68' 16364-0219 BUP 171 distance=70' 16341-0114 RST5060 distance=72' 16370-0240 HDS2349 distance=83' 16290-0104 BAL 888 distance=83' 16278-0104 GIC 142AB distance=93' 16278-0104 PWS 14AC distance=93' 16278-0104 PWS 14AD distance=93' 16252-0218 UC 3165 distance=98' 16372-0117 ROE 95AB distance=101' 16372-0117 ROE 95AC distance=101' 16276-0334 VYS 7 distance=101' 16375-0121 J 2094 distance=102' 16386-0204 RST5062 distance=104' 16307-0359 NSN 154 distance=105' 16245-0214 WIS 302 distance=109' 16344-0401 FMR 154 distance=113' 16348-0412 LMP 14BD distance=117' 16348-0412 LMP 14BE distance=117' 16268-0347 RST4560 distance=118' 16246-0121 BAL 565 distance=121' 16394-0306 BU 820AB distance=126' 16394-0306 BU 820AC distance=126' 16348-0412 GIC 144AB distance=127' 16348-0412 LMP 14AC distance=127' 16348-0412 DSG 20Aa,Ab distance=127' 16238-0258 TOK 901 distance=127' 16241-0116 GWP2631 distance=130' 16278-0413 CVR 823 distance=131' 16405-0256 UC 3205 distance=137' 16402-0112 BAL 567 distance=142' 16226-0137 RST5052 distance=143' 16397-0337 A 26 distance=145' 16323+0009 BU 9013BC distance=145' 16323+0009 BU 9013AB distance=145' 16411-0251 BUP 172 distance=146' 16325+0012 DAM 369 distance=148' 16323+0012 HDO 308 distance=148' 16354-0004 BAL1183 distance=150' 16337-0444 PST 1 distance=151' 16291+0015 GRV 929 distance=156' 16326+0024 TOB 260 distance=160' 16227-0341 KPP 370 distance=161' 16412-0100 HDS2367 distance=161' 16405-0404 J 2110 distance=168' 16293-0501 RST4561 distance=170' 16371+0015 RST5414 distance=172' 16308-0035 CVR 826 distance=172' 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 16318-0216 A 693 94 0.2
Show 16308-0218 RST5059 171 1.4 15
Show 16302-0149 GWP2638 226 72.1 36
Show 16281-0135 RST5057 36 3.3 68
Show 16364-0219 BUP 171 266 137.9 70
Show 16341-0114 RST5060 53 4.2 72
Show 16370-0240 HDS2349 179 0.1 83
Show 16290-0104 BAL 888 169 19.6 83
Show 16278-0104 GIC 142 AB 253 23.7 93
Show 16278-0104 PWS 14 AC 48 81.2 93
Show 16278-0104 PWS 14 AD 44 38.7 93
Show 16252-0218 UC 3165 67 11.4 98
Show 16372-0117 ROE 95 AB 232 8.2 101
Show 16372-0117 ROE 95 AC 347 52.2 101
Show 16276-0334 VYS 7 81 3.3 101
Show 16375-0121 J 2094 56 4.1 102
Show 16386-0204 RST5062 267 0.4 104
Show 16307-0359 NSN 154 316 6.2 105
Show 16245-0214 WIS 302 48 325.8 109
Show 16344-0401 FMR 154 107 1.0 113
Show 16348-0412 LMP 14 BD 340 46.2 117
Show 16348-0412 LMP 14 BE 215 21.1 117
Show 16268-0347 RST4560 140 2.7 118
Show 16246-0121 BAL 565 68 11.1 121
Show 16394-0306 BU 820 AB 235 4.4 126
Show 16394-0306 BU 820 AC 255 160.0 126
Show 16348-0412 GIC 144 AB 36 999.9 127
Show 16348-0412 LMP 14 AC 321 93.2 127
Show 16348-0412 DSG 20 Aa,Ab 207 0.0 127
Show 16238-0258 TOK 901 53 0.2 127
Show 16241-0116 GWP2631 298 94.9 130
Show 16278-0413 CVR 823 171 17.5 131
Show 16405-0256 UC 3205 187 29.9 137
Show 16402-0112 BAL 567 212 9.2 142
Show 16226-0137 RST5052 37 0.9 143
Show 16397-0337 A 26 340 1.3 145
Show 16323+0009 BU 9013 BC 116 6.9 145
Show 16323+0009 BU 9013 AB 114 10.0 145
Show 16411-0251 BUP 172 42 122.1 146
Show 16325+0012 DAM 369 187 10.4 148
Show 16323+0012 HDO 308 305 7.0 148
Show 16354-0004 BAL1183 226 13.8 150
Show 16337-0444 PST 1 335 3.4 151
Show 16291+0015 GRV 929 70 69.7 156
Show 16326+0024 TOB 260 268 27.4 160
Show 16227-0341 KPP 370 316 3.8 161
Show 16412-0100 HDS2367 64 0.8 161
Show 16405-0404 J 2110 173 5.2 168
Show 16293-0501 RST4561 38 0.2 170
Show 16371+0015 RST5414 17 6.3 172
Show 16308-0035 CVR 826 301 26.0 172

 
 
WDS 16318-0216 : COMPONENTS
 
 
  A
B pa=93.9°
sep=0.16"
 
 
16318-0216 A
 
 
Componente originario normalizzato AB Name HD 148943 Coord arcsec 2000 163145.09-021536.0 Mag 9.24
Spectral class F5 (yellow-white) PmRA 21.00 PmDE -17.0 SAO 141224
HIP 80949 Tycho2 5052-00207-1 HD 148943 BD BD-01 3206
Tycho2
Tycho2 5052-00207-1 Pflag RAmdeg 247.93791843 DEmdeg -2.26003099
PmRA 19.9 PmDE -17.2 E RAmdeg 9 E DEmdeg 11
E pmRA 1.0 E pmDE 1.0 EpRAm 1989.91 EpDEm 1988.14
Num 14 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.8
Q pmDE 1.1 BTmag 9.158 E BTmag 0.023 VTmag 8.464
E VTmag 0.017 Prox 999 TYC T HIP 80949
CCDM AB RAdeg 247.93787167 DEdeg -2.25999028 EpRA 1990 1.67
EpDE 1990 1.40 E RAdeg 9.3 E DEdeg 11.5 Posflg P
Corr 0.2
SAO
SAO 141224 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.025 Vmag 8.7 SpType F5
Double code Source 31 CatNum 4153 DM BD-01 3206
DMcomp BDsup HD 148943 M HD 0
GC RA1950rad 4.31596777 DE1950rad -0.03759292 PmRA2000 0
PmDE2000 -0.023
Hipparcos
Catalog H HIP 80949 Proxy H RAhms 16 31 45.09
DEdms -02 15 36.0 Vmag 8.39 VarFlag R Vmag G
RAdeg 247.938 DEdeg -2.25999 AstroRef * Plx 5.6
CCDM 16318-0216 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 229 Rho 0.146 HD 148943 BD BD-01 3206
CD CP Dm number -01 3206 VIred 0.7
SpType F5 R SpType Coord arcsec 2000 163145.09-021536.0
Hipparcos 2
HIP 80949 Sn 55 So 3 Nc 2
RArad 4.3273321158 DErad -0.0394442046 Plx 5.93 PmRA 20.08
PmDE -19.74 E RArad 1.59 E DErad 1.41 E Plx 1.39
E pmRA 1.93 E pmDE 2.1 Hpmag 8.5112 E Hpmag 0.0021
SHp 0.013 VA 0 BV 0.628 E BV 0.002
VI 0.7
CCDM
Ccdm 16318-0216 RComp Comp A Note1
Note2 Discov num DRAs -2.92 DDEs 24.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp F5 PmNote *
PmRA 16 PmDE -13 Dm number -01 3206 Cat1 BD
Name2 -02 997 Cat2 AGK2/3 HD 148943 M HD
ADS BDS A10095 M ADS BDS N IDS IDS 16266S0203A
HIC 80949
 
 
16318-0216 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 163145.10-021536.0 Mag 9.29 Calc delta mag 0.05
Calc coord yes
CCDM
Ccdm 16318-0216 RComp Comp B Note1 *
Note2 Discov num A 693 DRAs DDEs
R dRAs Year 1904 Theta Rho
Obs 35 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10095 M ADS BDS N IDS IDS 16266S0203B
HIC 80949