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Doubles in session


Current system
18098-2203
RST 3158
HD 166054


Nearby doubles
7' : 18100-2157
BRT1515

12' : 18092-2211
RST3157

17' : 18096-2220
DON 883

21' : 18091-2222
ARA1847

22' : 18105-2223
BRT1516

23' : 18114-2205
ARA1850

26' : 18116-2209
BRT1517

27' : 18082-2216
BU 243AB

33' : 18075-2206
LYS 36

33' : 18120-2155
BRT1518

34' : 18120-2217
ARA1852

35' : 18079-2141
ARA1513

37' : 18124-2207
ARA1853

38' : 18084-2132
ARA1514

41' : 18070-2153
ARA1511

43' : 18068-2203
J 2907

44' : 18071-2224
LYS 35AB

44' : 18092-2247
HO 427

45' : 18069-2144
ARA1509

46' : 18065-2200
J 2906

47' : 18130-2217
ARA1855

47' : 18122-2130
ARA1518

49' : 18068-2228
LYS 34

49' : 18133-2158
ARA1857

50' : 18128-2135
ARA1520

51' : 18074-2240
J 3203



Selections
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18098-2203 RST 3158 (HD 166054)

 
 
18h 09m 48.61s -22° 03' 22.5" P.A. 136.00 sep 0.4 mag 9.67,9.97 Sp B3
 
 
Coord 2000 18098-2203 Discov num RST3158 Comp Coord arcsec 2000 18 09 48.61 -22 03 22.5
Date first 1930 Date last 1991 Obs 11
Pa first 138 Pa last 135.8 P.A. Now (θ) 135.8°
Sep first 0.5 Sep last 0.36 Sep. Now (ρ) 0.36"
Mag pri 9.67 Mag sec 9.97 delta mag (ΔM) 0.3 Spectral class B3 (blue-white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -001 Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166054 Constellation Sagittarius SAO 186384 Tycho2 6276-00188-1
Gaia DR2 4069749793797276800 HD 166054
 
 
WDS 18098-2203 RST 3158 (HD 166054) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18098-2203 RST3158 1991 11 136 0.4 9.67 9.97 B3 180948.61-220322.5

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

 
 
WDS 18098-2203 RST 3158 (HD 166054) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18098-2203 RST 3158 (HD 166054) : MEASURES
 
 
No records found.

 
 
WDS 18098-2203 (HD 166054) : VIRTUAL EYEPIECE
 
 

18098-2203 RST3158A mag 9.67 Sp B3 18098-2203 RST3158B sep 0.3 P.A. 138.00 mag 9.97 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 18098-2203 (HD 166054) : ALADIN DSS IMAGE @ 18h 09m 48.61s -22° 03' 22.5"
 
 
 
 
WDS 18098-2203 RST 3158 (HD 166054) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18098-2203 RST3158 distance=0' 18100-2157 BRT1515 distance=7' 18092-2211 RST3157 distance=12' 18096-2220 DON 883 distance=17' 18091-2222 ARA1847 distance=21' 18105-2223 BRT1516 distance=22' 18114-2205 ARA1850 distance=23' 18116-2209 BRT1517 distance=26' 18082-2216 BU 243AB distance=27' 18082-2216 BU 243AB,C distance=27' 18075-2206 LYS 36 distance=33' 18120-2155 BRT1518 distance=33' 18120-2217 ARA1852 distance=34' 18079-2141 ARA1513 distance=35' 18124-2207 ARA1853 distance=37' 18084-2132 ARA1514 distance=38' 18070-2153 ARA1511 distance=41' 18071-2224 TDT 690Ba,Bb distance=43' 18068-2203 J 2907 distance=43' 18071-2224 LYS 35AB distance=44' 18092-2247 HO 427 distance=44' 18069-2144 ARA1509 distance=45' 18065-2200 J 2906 distance=46' 18130-2217 ARA1855 distance=47' 18122-2130 ARA1518 distance=47' 18068-2228 LYS 34 distance=49' 18133-2158 ARA1857 distance=49' 18128-2135 ARA1520 distance=50' 18074-2240 J 3203 distance=51' 18079-2119 RST5101 distance=52' 18103-2254 ARA1848 distance=52' 18132-2144 I 631 distance=52' 18093-2255 VVV 3 distance=52' 18061-2207 B 1877 distance=52' 18130-2134 ARA1521 distance=54' 18127-2239 ARA1854 distance=54' 18062-2143 ARA1508 distance=54' 18132-2230 ARA1856 distance=55' 18058-2212 ARA1844 distance=56' 18113-2111 ARA1516 distance=56' 18070-2121 ARA1510 distance=59' 18140-2208 ARA1858 distance=59' 18100-2105 TDT 719 distance=59' 18141-2201 BRT1520 distance=59' 18057-2149 VVV 52 distance=60' 18071-2115 ARA1512 distance=62' 18059-2134 ARA1507 distance=62' 18141-2219 ARA1860 distance=63' 18143-2211 BRT1521 distance=64' 18144-2207 OCC1074 distance=64' 18060-2238 BRT1513 distance=64' 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 18098-2203 RST3158 136 0.4
Show 18100-2157 BRT1515 37 4.1 7
Show 18092-2211 RST3157 143 0.1 12
Show 18096-2220 DON 883 31 0.6 17
Show 18091-2222 ARA1847 170 11.5 21
Show 18105-2223 BRT1516 285 3.9 22
Show 18114-2205 ARA1850 287 8.4 23
Show 18116-2209 BRT1517 207 3.9 26
Show 18082-2216 BU 243 AB 126 0.7 27
Show 18082-2216 BU 243 AB,C 56 40.2 27
Show 18075-2206 LYS 36 22 20.6 33
Show 18120-2155 BRT1518 258 5.2 33
Show 18120-2217 ARA1852 27 13.0 34
Show 18079-2141 ARA1513 213 6.1 35
Show 18124-2207 ARA1853 114 11.4 37
Show 18084-2132 ARA1514 186 14.5 38
Show 18070-2153 ARA1511 225 14.7 41
Show 18071-2224 TDT 690 Ba,Bb 68 0.5 43
Show 18068-2203 J 2907 177 7.2 43
Show 18071-2224 LYS 35 AB 80 18.6 44
Show 18092-2247 HO 427 71 10.9 44
Show 18069-2144 ARA1509 344 15.1 45
Show 18065-2200 J 2906 356 8.6 46
Show 18130-2217 ARA1855 120 10.4 47
Show 18122-2130 ARA1518 112 13.2 47
Show 18068-2228 LYS 34 114 5.7 49
Show 18133-2158 ARA1857 87 9.6 49
Show 18128-2135 ARA1520 213 12.9 50
Show 18074-2240 J 3203 92 3.8 51
Show 18079-2119 RST5101 191 0.7 52
Show 18103-2254 ARA1848 38 8.0 52
Show 18132-2144 I 631 166 1.5 52
Show 18093-2255 VVV 3 170 42.6 52
Show 18061-2207 B 1877 230 0.5 52
Show 18130-2134 ARA1521 172 12.9 54
Show 18127-2239 ARA1854 282 12.7 54
Show 18062-2143 ARA1508 277 9.4 54
Show 18132-2230 ARA1856 125 11.1 55
Show 18058-2212 ARA1844 137 13.0 56
Show 18113-2111 ARA1516 274 13.4 56
Show 18070-2121 ARA1510 266 14.4 59
Show 18140-2208 ARA1858 39 13.5 59
Show 18100-2105 TDT 719 300 2.7 59
Show 18141-2201 BRT1520 210 4.3 59
Show 18057-2149 VVV 52 46 8.7 60
Show 18071-2115 ARA1512 281 14.9 62
Show 18059-2134 ARA1507 213 6.6 62
Show 18141-2219 ARA1860 226 12.5 63
Show 18143-2211 BRT1521 159 3.3 64
Show 18144-2207 OCC1074 -1 0.0 64
Show 18060-2238 BRT1513 56 4.4 64

 
 
WDS 18098-2203 : COMPONENTS
 
 
  A
B pa=138.0°
sep=0.35"
 
 
18098-2203 A
 
 
Componente originario normalizzato AB Name HD 166054 Coord arcsec 2000 180948.61-220322.5 Mag 9.67
Spectral class B3 (blue-white) PmRA 4.00 PmDE -1.0 SAO 186384
Tycho2 6276-00188-1 HD 166054 DM BD-22 4590
Tycho2
Tycho2 6276-00188-1 Pflag RAmdeg 272.45258255 DEmdeg -22.05627001
PmRA 4.0 PmDE -1.1 E RAmdeg 9 E DEmdeg 11
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.65 EpDEm 1989.80
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.6 BTmag 9.197 E BTmag 0.020 VTmag 9.126
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 272.45257278 DEdeg -22.05626750 EpRA 1990 1.81
EpDE 1990 1.80 E RAdeg 9.1 E DEdeg 12.2 Posflg
Corr -0.1
SAO
SAO 186384 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 0.002 Vmag 9 SpType B3
Double code Source 25 CatNum 12535 DM CD-2212634
DMcomp BDsup HD 166054 M HD 0
GC RA1950rad 4.74204057 DE1950rad -0.38512902 PmRA2000 -0.0013
PmDE2000 0.003
CCDM
Ccdm 18098-2203 RComp Comp A Note1
Note2 Discov num DRAs 0.60 DDEs -22.0
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.6 Sp B3 PmNote *
PmRA -18 PmDE 2 Dm number -22 4590 Cat1 BD
Name2 186384 Cat2 SAO HD 166054 M HD
ADS BDS M ADS BDS N IDS IDS 18038S2204A
HIC
 
 
18098-2203 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180948.63-220322.8 Mag 9.97 PmRA 4.00
PmDE -1.0 Calc delta mag 0.3 Calc coord yes
CCDM
Ccdm 18098-2203 RComp Comp B Note1
Note2 Discov num RST3158 DRAs DDEs
R dRAs Year 1930 Theta 139 Rho 0.4
Obs 8 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18038S2204B
HIC