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Doubles in session


Current system
17066+0039
BU 823 AB
HD 154621


Nearby doubles
15' : 17075+0035
KPP1569

20' : 17060+0056
BAL1486

29' : 17052-0020
UC 3289AB

37' : 17090-0033
KPP 393

50' : 17088+0002
A 2237

54' : 17102-0046
BU 124

69' : 17082+0143
AG 208

69' : 17048+0142
BAL1484

72' : 17059+0150
TDT 211

74' : 17051+0149
J 449

78' : 17117-0033
LDS4724

79' : 17014-0047
RST5073

88' : 17061+0206
BAL1931

90' : 17124+0019
UC 3303

91' : 17126+0043
UC 3304

93' : 17010+0118
BAL1483

93' : 17009+0114
BAL1482

94' : 17064+0213
BAL1932

99' : 17003+0106
A 2235

106' : 17127+0132
CLZ 70

107' : 17082-0105
A 1145

110' : 16599+0121
BAL1481

114' : 17142-0038
YMG 87

135' : 17072-0135
AAQ 1

139' : 17078+0256
HEI 861

139' : 16574-0041
UC 3261



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.

17066+0039 BU 823 AB (HD 154621)

 
 
17h 06m 36.18s +00° 39' 07.9" P.A. 178.00 sep 1.1 mag 8.73,9.81 Sp G4.0V+K4V dist. 57.94 pc (189 l.y.)
 
 
Coord 2000 17066+0039 Discov num BU  823 Comp AB Coord arcsec 2000 17 06 36.18 +00 39 07.9
Date first 1881 Date last 2021 Obs 168
Pa first 354 Pa last 177.6 P.A. Now (θ) 177.6°
Sep first 1.0 Sep last 1.06 Sep. Now (ρ) 1.06"
Mag pri 8.73 Mag sec 9.81 delta mag (ΔM) 1.08 Spectral class G4.0V+K4V (yellow/yellow-orange)
Pri motion ra -021 Sec motion ra -021
Pri motion dec -010 Sec motion dec -010
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
17066+0039 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 154621 122078 17 06 36 +00 39 08 BU 823 AB 2021 168 178 1.1 8.73 9.81 1.08 Y <===
Show 122078 17 06 36 +00 39 08 BU 823 AB,C 2004 15 84 172.8 8.73 10.29 1.56
Show 17 06 36 +00 39 08 TOK 52 Ba,Bb 2021 19 342 0.1 10.60 10.50 0.10 Y
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154621 Constellation Ophiuchus SAO 122078 HIP 83716
Tycho2 0398-01509-1 Gaia DR2 4381580675941586176 HD 154621 ADS 10341
BD BD+00 3633 Distance 57.94 Distance ly 189
 
 
ORBITAL ELEMENTS
 
 
Period (P)900y Periastron (T)1963.04y± 1.36 Semi-major axis (a)2.264a± 0.023
Eccentricity (e)0.596± 0.002 Inclination (i)40° Longitude of periastron (ω)356.9°± 1.8
Node (Ω)97.7°± 3.2 Notes ReferenceTok2021b
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 149.7 0.953
2001 151.1 0.956
2002 152.5 0.960
2003 153.8 0.963
2004 155.2 0.967
2005 156.5 0.971
2006 157.8 0.975
2007 159.2 0.980
2008 160.5 0.985
2009 161.8 0.990
2010 163.0 0.995
2011 164.3 1.000
2012 165.6 1.006
2013 166.8 1.011
2014 168.0 1.017
2015 169.2 1.023
2016 170.4 1.030
2017 171.6 1.036
2018 172.8 1.043
2019 173.9 1.050
2020 175.1 1.057
2021 176.2 1.064
2022 177.3 1.071
2023 178.4 1.079
2024 179.5 1.087
2025 180.5 1.095
2026 181.6 1.103
2027 182.6 1.111
2028 183.6 1.119
2029 184.6 1.128
2030 185.6 1.136


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


 
  


wds17066%2B0039g.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17066+0039 BU 823 AB (HD 154621) : NOTES
 
 
discov_num notes refcode
BU 823 AB: Orbits of AB and Ba,Bb may be almost co-planar. Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
Tok2021b orb Tokovinin, A. 2021AJ....161..144T
Tok2021b AJ 161, 144, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17066+0039 BU 823 AB 2003 132 156 0.9 8.73 9.81 G0 NOD 170636.18+003907.9
17066+0039 BU 823 AB 2007 133 160 1.0 8.73 9.81 G0 NOD 170636.18+003907.9
17066+0039 BU 823 AB 2009 134 161 1.0 8.73 9.81 G0 NOD 170636.18+003907.9
17066+0039 BU 823 AB 2010 137 163 1.0 8.73 9.81 G0 NOD 170636.18+003907.9
17066+0039 BU 823 AB 2011 139 166 1.0 8.73 9.81 G0 NOD 170636.18+003907.9
17066+0039 BU 823 AB 2012 141 167 1.0 8.73 9.81 G0 NOD 170636.18+003907.9
17066+0039 BU 823 AB 2013 146 167 1.0 8.73 9.81 G0 NO 170636.18+003907.9
17066+0039 BU 823 AB 2014 146 169 1.0 8.73 9.81 G0 O 170636.18+003907.9
17066+0039 BU 823 AB 2015 149 170 1.1 8.73 9.81 G0 O 170636.18+003907.9
17066+0039 BU 823 AB 2017 151 174 1.1 8.73 9.81 G0 NO 170636.18+003907.9
17066+0039 BU 823 AB 2018 157 175 1.0 8.73 9.81 G0 NO 170636.18+003907.9
17066+0039 BU 823 AB 2019 159 175 1.0 8.73 9.81 G0 NO 170636.18+003907.9
17066+0039 BU 823 AB 2021 163 176 1.1 8.73 9.81 G0 NO 170636.18+003907.9

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

 
 
WDS 17066+0039 BU 823 AB (HD 154621) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17066+0039 BU 823 AB (HD 154621) : MEASURES
 
 
No records found.

 
 
WDS 17066+0039 (HD 154621) : VIRTUAL EYEPIECE
 
 

17066+0039 BU 823A mag 8.73 Sp G4.0V 17066+0039 TOK 52B mag 10.6 Sp K4.3V 17066+0039 TOK 52Bb sep 0.1 P.A. 341.50 mag 10.5 17066+0039 BU 823C sep 172.8 P.A. 84.10 mag 10.29 Sp K0 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 17066+0039 (HD 154621) : ALADIN DSS IMAGE @ 17h 06m 36.18s +00° 39' 07.9"
 
 
 
 
WDS 17066+0039 BU 823 AB (HD 154621) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17066+0039 BU 823AB distance=0' 17075+0035 KPP1569 distance=15' 17060+0056 BAL1486 distance=20' 17052-0020 UC 3289AB distance=29' 17052-0020 UC 3289AC distance=29' 17090-0033 KPP 393 distance=37' 17088+0002 A 2237 distance=50' 17102-0046 BU 124 distance=54' 17082+0143 AG 208 distance=69' 17048+0142 BAL1484 distance=69' 17059+0150 TDT 211 distance=72' 17051+0149 J 449 distance=74' 17117-0033 LDS4724 distance=78' 17014-0047 RST5073 distance=79' 17061+0206 BAL1931 distance=88' 17124+0019 UC 3303 distance=90' 17126+0043 UC 3304 distance=91' 17010+0118 BAL1483 distance=93' 17009+0114 BAL1482 distance=93' 17064+0213 BAL1932 distance=94' 17003+0106 A 2235 distance=99' 17127+0132 CLZ 70 distance=106' 17082-0105 A 1145 distance=107' 16599+0121 BAL1481 distance=110' 17142-0038 YMG 87 distance=114' 17072-0135 AAQ 1 distance=135' 17078+0256 HEI 861 distance=139' 16574-0041 UC 3261 distance=139' 17069-0139 STF2122 distance=139' 16580+0139 BAL1480 distance=143' 17135+0221 UC 3307 distance=146' 16569+0055 UC 3257 distance=147' 17038+0302 TVB 294 distance=150' 17166-0027 A 2984 distance=151' 17165+0113 HJ 854 distance=153' 17162+0131 UC 3312 distance=154' 17110+0302 HDS2426 distance=158' 17049-0200 BAL 571 distance=162' 17168+0133 TDT 296AB distance=163' 17168+0133 GII 243Aa,Ab distance=163' 17168+0133 TDT 296AC distance=163' 16561+0125 BEW 5 distance=165' 17119-0151 LPM 629 distance=170' 17162+0211 CHR 61 distance=172' 17011-0153 J 3260 distance=172' 17076+0332 BAL2434 distance=174' 17068+0334 TDT 218 distance=175' 17065+0339 BAL2433 distance=180' 17163-0106 KPP2779 distance=180' 16597+0306 BAL2432 distance=181' 17008-0159 J 2097 distance=183' 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 17066+0039 BU 823 AB 178 1.1
Show 17066+0039 TOK 52 Ba,Bb 342 0.1
Show 17066+0039 BU 823 AB,C 84 172.8
Show 17075+0035 KPP1569 307 11.8 15
Show 17060+0056 BAL1486 10 7.8 20
Show 17052-0020 UC 3289 AB 144 54.1 29
Show 17052-0020 UC 3289 AC 252 47.0 29
Show 17090-0033 KPP 393 19 3.7 37
Show 17088+0002 A 2237 67 0.9 50
Show 17102-0046 BU 124 261 0.9 54
Show 17082+0143 AG 208 304 12.3 69
Show 17048+0142 BAL1484 138 5.8 69
Show 17059+0150 TDT 211 292 0.8 72
Show 17051+0149 J 449 302 1.8 74
Show 17117-0033 LDS4724 273 15.3 78
Show 17014-0047 RST5073 21 0.7 79
Show 17061+0206 BAL1931 187 17.7 88
Show 17124+0019 UC 3303 188 10.4 90
Show 17126+0043 UC 3304 68 12.6 91
Show 17010+0118 BAL1483 250 5.3 93
Show 17009+0114 BAL1482 7 4.2 93
Show 17064+0213 BAL1932 59 4.8 94
Show 17003+0106 A 2235 269 0.8 99
Show 17127+0132 CLZ 70 145 22.4 106
Show 17082-0105 A 1145 340 0.7 107
Show 16599+0121 BAL1481 305 5.4 110
Show 17142-0038 YMG 87 171 0.5 114
Show 17072-0135 AAQ 1 67 12.4 135
Show 17078+0256 HEI 861 72 3.2 139
Show 16574-0041 UC 3261 208 27.5 139
Show 17069-0139 STF2122 279 20.3 139
Show 16580+0139 BAL1480 285 16.5 143
Show 17135+0221 UC 3307 185 17.8 146
Show 16569+0055 UC 3257 2 32.6 147
Show 17038+0302 TVB 294 306 10.9 150
Show 17166-0027 A 2984 27 0.7 151
Show 17165+0113 HJ 854 357 20.7 153
Show 17162+0131 UC 3312 262 45.7 154
Show 17110+0302 HDS2426 195 0.9 158
Show 17049-0200 BAL 571 91 13.8 162
Show 17168+0133 TDT 296 AB 84 0.8 163
Show 17168+0133 GII 243 Aa,Ab 143 0.2 163
Show 17168+0133 TDT 296 AC 19 3.7 163
Show 16561+0125 BEW 5 187 9.7 165
Show 17119-0151 LPM 629 345 0.6 170
Show 17162+0211 CHR 61 68 0.2 172
Show 17011-0153 J 3260 359 8.3 172
Show 17076+0332 BAL2434 316 15.5 174
Show 17068+0334 TDT 218 284 0.8 175
Show 17065+0339 BAL2433 346 16.1 180
Show 17163-0106 KPP2779 228 6.4 180

 
 
WDS 17066+0039 : COMPONENTS
 
 
  A B Bb
B pa=0.0°
sep=0.00"
 
Bb pa=341.5°
sep=0.09"
pa=341.5°
sep=0.09"
 
C pa=84.1°
sep=172.80"
pa=84.1°
sep=172.80"
pa=84.1°
sep=172.82"
 
 
17066+0039 A
 
 
Name HD 154621 Coord arcsec 2000 170636.18+003907.9 Mag 8.73 Spectral class G4.0V (yellow)
PmRA -21.00 PmDE -10.0 SAO 122078 HIP 83716
Tycho2 0398-01509-1 HD 154621 BD BD+00 3633
Tycho2
Tycho2 0398-01509-1 Pflag P RAmdeg 256.65072102 DEmdeg 0.65216590
PmRA -20.8 PmDE -9.7 E RAmdeg 8 E DEmdeg 10
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.04 EpDEm 1990.53
Num 7 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.4
Q pmDE 1.5 BTmag 9.436 E BTmag 0.020 VTmag 8.726
E VTmag 0.015 Prox 8 TYC T HIP 83716
CCDM A RAdeg 256.65074972 DEdeg 0.65221250 EpRA 1990 1.56
EpDE 1990 1.39 E RAdeg 8.4 E DEdeg 10.0 Posflg D
Corr 0.1
SAO
SAO 122078 DelFlag RA1950 PmRA1950 -0.0022
DE1950 PmDE1950 -0.024 Vmag 8.7 SpType G0
Double code Source 31 CatNum 4266 DM BD+00 3633
DMcomp BDsup HD 154621 M HD 0
GC RA1950rad 4.46827657 DE1950rad 0.01253031 PmRA2000 -0.002
PmDE2000 -0.023
Hipparcos
Catalog H HIP 83716 Proxy H RAhms 17 06 36.18
DEdms +00 39 07.9 Vmag 8.31 VarFlag R Vmag G
RAdeg 256.651 DEdeg 0.652208 AstroRef A Plx 18.73
CCDM 17067+0039 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 138 Rho 0.933 HD 154621 BD BD+00 3633
CD CP Dm number +00 3633 VIred 0.77
SpType G0 R SpType Coord arcsec 2000 170636.18+003907.9
Hipparcos 2
HIP 83716 Sn 15 So 3 Nc 2
RArad 4.4794006495 DErad 0.0113831793 Plx 17.26 PmRA -22.68
PmDE -4.92 E RArad 1.44 E DErad 0.99 E Plx 1.48
E pmRA 1.96 E pmDE 1.32 Hpmag 8.4408 E Hpmag 0.0018
SHp 0.014 VA 0 BV 0.723 E BV 0.003
VI 0.77
 
 
17066+0039 B
 
 
Coord arcsec 2000 170636.18+003907.9 Coord calc 170636.18+003906.8 Mag 10.6 Mag composta 9.81
Spectral class K4.3V (yellow-orange) PmRA -21.00 PmDE -10.0 Tycho2 0398-01509-2
Calc delta mag 1.87
Tycho2
Tycho2 0398-01509-2 Pflag P RAmdeg 256.65072102 DEmdeg 0.65216590
PmRA -20.8 PmDE -9.7 E RAmdeg 8 E DEmdeg 10
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.04 EpDEm 1990.53
Num 7 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.4
Q pmDE 1.5 BTmag 10.888 E BTmag 0.052 VTmag 9.808
E VTmag 0.030 Prox 8 TYC T HIP 83716
CCDM B RAdeg 256.65090472 DEdeg 0.65203611 EpRA 1990 1.56
EpDE 1990 1.40 E RAdeg 21.9 E DEdeg 26.1 Posflg D
Corr 0.1
 
 
17066+0039 Bb
 
 
Coord arcsec 2000 170636.18+003908.0 Mag 10.5 Calc delta mag 1.77 Calc coord yes
 
 
17066+0039 C
 
 
Coord arcsec 2000 170647.64+003925.7 Mag 10.29 Spectral class K0 (yellow-orange) PmRA -5.00
PmDE -6.0 Tycho2 0398-01531-1 Calc delta mag 1.56 Calc coord yes
Tycho2
Tycho2 0398-01531-1 Pflag RAmdeg 256.69872340 DEmdeg 0.65636010
PmRA -1.9 PmDE -9.0 E RAmdeg 29 E DEmdeg 33
E pmRA 1.4 E pmDE 1.4 EpRAm 1983.97 EpDEm 1980.29
Num 8 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 11.638 E BTmag 0.084 VTmag 10.292
E VTmag 0.042 Prox 999 TYC T HIP
CCDM RAdeg 256.69872972 DEdeg 0.65638222 EpRA 1990 1.57
EpDE 1990 1.31 E RAdeg 31.6 E DEdeg 39.3 Posflg
Corr 0.1