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Doubles in session


Current system
18132-2144
I 631
HD 166806


Nearby doubles
11' : 18130-2134
ARA1521

12' : 18128-2135
ARA1520

16' : 18133-2158
ARA1857

20' : 18120-2155
BRT1518

21' : 18147-2147
B 2438

21' : 18122-2130
ARA1518

21' : 18141-2201
BRT1520

26' : 18131-2119
ARA1522

27' : 18124-2207
ARA1853

27' : 18140-2208
ARA1858

29' : 18144-2207
OCC1074

32' : 18143-2211
BRT1521

33' : 18114-2205
ARA1850

34' : 18130-2217
ARA1855

35' : 18116-2209
BRT1517

37' : 18120-2217
ARA1852

38' : 18157-2158
ARA1862

39' : 18141-2219
ARA1860

40' : 18124-2107
ARA1519

41' : 18152-2213
OCC1075

41' : 18138-2104
H 5 7AB
Polis

43' : 18136-2101
GLP 13

43' : 18113-2111
ARA1516

44' : 18163-2137
BRT1523

47' : 18132-2230
ARA1856

48' : 18100-2157
BRT1515



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.

18132-2144 I 631 (HD 166806)

 
 
18h 13m 14.32s -21° 43' 44.1" P.A. 166.00 sep 1.5 mag 9.20,10.30 Sp G5V
 
 
Coord 2000 18132-2144 Discov num I   631 Comp Coord arcsec 2000 18 13 14.32 -21 43 44.1
Date first 1909 Date last 2016 Obs 8
Pa first 200 Pa last 165.8 P.A. Now (θ) 165.8°
Sep first 1.0 Sep last 1.481 Sep. Now (ρ) 1.481"
Mag pri 9.20 Mag sec 10.30 delta mag (ΔM) 1.1 Spectral class G5V (yellow)
Pri motion ra +011 Sec motion ra +011
Pri motion dec -042 Sec motion dec -042
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166806 Constellation Sagittarius SAO 186482 Tycho2 6276-00825-1
Gaia DR2 4090803968384989568 HD 166806
 
 
WDS 18132-2144 I 631 (HD 166806) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18132-2144 I 631 1991 6 169 1.5 9.20 10.30 G5V 181314.32-214344.1
18132-2144 I 631 2015 7 166 1.5 9.20 10.30 G5V 181314.32-214344.1
18132-2144 I 631 2016 8 166 1.5 9.20 10.30 G5V 181314.32-214344.1

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

 
 
WDS 18132-2144 I 631 (HD 166806) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18132-2144 I 631 (HD 166806) : MEASURES
 
 
No records found.

 
 
WDS 18132-2144 (HD 166806) : VIRTUAL EYEPIECE
 
 

18132-2144 I 631A mag 9.2 Sp G5V 18132-2144 I 631B sep 1.5 P.A. 166.80 mag 10.3 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 18132-2144 (HD 166806) : ALADIN DSS IMAGE @ 18h 13m 14.32s -21° 43' 44.1"
 
 
 
 
WDS 18132-2144 I 631 (HD 166806) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18132-2144 I 631 distance=0' 18130-2134 ARA1521 distance=11' 18128-2135 ARA1520 distance=12' 18133-2158 ARA1857 distance=16' 18120-2155 BRT1518 distance=20' 18147-2147 B 2438 distance=21' 18122-2130 ARA1518 distance=21' 18141-2201 BRT1520 distance=21' 18131-2119 ARA1522 distance=26' 18124-2207 ARA1853 distance=27' 18140-2208 ARA1858 distance=27' 18144-2207 OCC1074 distance=29' 18143-2211 BRT1521 distance=32' 18114-2205 ARA1850 distance=33' 18130-2217 ARA1855 distance=34' 18116-2209 BRT1517 distance=35' 18120-2217 ARA1852 distance=37' 18157-2158 ARA1862 distance=38' 18141-2219 ARA1860 distance=39' 18124-2107 ARA1519 distance=40' 18152-2213 OCC1075 distance=41' 18138-2104 SLV 7BD distance=41' 18138-2104 SLV 7BE distance=41' 18138-2104 H 5 7AB (Polis) distance=41' 18138-2104 BU 292AC (Polis) distance=41' 18138-2104 HJ 2822AD (Polis) distance=41' 18138-2104 HJ 2822AE (Polis) distance=41' 18136-2101 GLP 13 distance=43' 18113-2111 ARA1516 distance=43' 18163-2137 BRT1523 distance=44' 18132-2230 ARA1856 distance=47' 18100-2157 BRT1515 distance=48' 18158-2220 OCC1076 distance=51' 18159-2218 ARA1863 distance=51' 18116-2059 ARA1138 distance=51' 18098-2203 RST3158 distance=52' 18146-2055 KPP1769 distance=52' 18121-2054 ARA1139 distance=54' 18140-2052 J 1622 distance=54' 18164-2215 ARA1865 distance=55' 18105-2223 BRT1516 distance=55' 18127-2239 ARA1854 distance=56' 18162-2105 ARA1523 distance=57' 18155-2057 TDS 911 distance=57' 18150-2236 ITF 32 distance=58' 18169-2212 ARA1867 distance=59' 18174-2148 OCC1077 distance=59' 18100-2105 TDT 719 distance=60' 18096-2220 DON 883 distance=62' 18092-2211 RST3157 distance=63' 18152-2044 TOK 59AB distance=67' 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 18132-2144 I 631 166 1.5
Show 18130-2134 ARA1521 172 12.9 11
Show 18128-2135 ARA1520 213 12.9 12
Show 18133-2158 ARA1857 87 9.6 16
Show 18120-2155 BRT1518 258 5.2 20
Show 18147-2147 B 2438 120 1.8 21
Show 18122-2130 ARA1518 112 13.2 21
Show 18141-2201 BRT1520 210 4.3 21
Show 18131-2119 ARA1522 341 14.9 26
Show 18124-2207 ARA1853 114 11.4 27
Show 18140-2208 ARA1858 39 13.5 27
Show 18144-2207 OCC1074 -1 0.0 29
Show 18143-2211 BRT1521 159 3.3 32
Show 18114-2205 ARA1850 287 8.4 33
Show 18130-2217 ARA1855 120 10.4 34
Show 18116-2209 BRT1517 207 3.9 35
Show 18120-2217 ARA1852 27 13.0 37
Show 18157-2158 ARA1862 289 15.3 38
Show 18141-2219 ARA1860 226 12.5 39
Show 18124-2107 ARA1519 235 8.2 40
Show 18152-2213 OCC1075 -1 0.0 41
Show 18138-2104 SLV 7 BD 331 40.8 41
Show 18138-2104 SLV 7 BE 106 64.4 41
Show Polis 18138-2104 H 5 7 AB 258 16.9 41
Show Polis 18138-2104 BU 292 AC 119 25.5 41
Show Polis 18138-2104 HJ 2822 AD 312 48.2 41
Show Polis 18138-2104 HJ 2822 AE 114 50.2 41
Show 18136-2101 GLP 13 245 25.0 43
Show 18113-2111 ARA1516 274 13.4 43
Show 18163-2137 BRT1523 175 4.3 44
Show 18132-2230 ARA1856 125 11.1 47
Show 18100-2157 BRT1515 37 4.1 48
Show 18158-2220 OCC1076 -1 0.0 51
Show 18159-2218 ARA1863 236 12.3 51
Show 18116-2059 ARA1138 157 13.6 51
Show 18098-2203 RST3158 136 0.4 52
Show 18146-2055 KPP1769 268 13.7 52
Show 18121-2054 ARA1139 123 10.6 54
Show 18140-2052 J 1622 45 7.7 54
Show 18164-2215 ARA1865 305 14.2 55
Show 18105-2223 BRT1516 285 3.9 55
Show 18127-2239 ARA1854 282 12.7 56
Show 18162-2105 ARA1523 90 1.2 57
Show 18155-2057 TDS 911 102 1.0 57
Show 18150-2236 ITF 32 12 4.7 58
Show 18169-2212 ARA1867 270 16.2 59
Show 18174-2148 OCC1077 -1 0.0 59
Show 18100-2105 TDT 719 300 2.7 60
Show 18096-2220 DON 883 31 0.6 62
Show 18092-2211 RST3157 143 0.1 63
Show 18152-2044 TOK 59 AB 77 1.3 67

 
 
WDS 18132-2144 : COMPONENTS
 
 
  A
B pa=166.8°
sep=1.47"
 
 
18132-2144 A
 
 
Componente originario normalizzato AB Name HD 166806 Coord arcsec 2000 181314.32-214344.1 Mag 9.2
Spectral class G5V (yellow) PmRA 11.00 PmDE -42.0 SAO 186482
Tycho2 6276-00825-1 HD 166806 DM BD-21 4903
Tycho2
Tycho2 6276-00825-1 Pflag P RAmdeg 273.30967152 DEmdeg -21.72891196
PmRA 10.6 PmDE -41.8 E RAmdeg 13 E DEmdeg 17
E pmRA 2.8 E pmDE 2.7 EpRAm 1991.36 EpDEm 1991.05
Num 5 Q RAmdeg 1.2 Q DEmdeg 1.7 Q pmRA 1.2
Q pmDE 1.7 BTmag 10.005 E BTmag 0.028 VTmag 9.197
E VTmag 0.020 Prox 15 TYC T HIP
CCDM RAdeg 273.30963389 DEdeg -21.72875722 EpRA 1990 1.79
EpDE 1990 1.75 E RAdeg 12.8 E DEdeg 16.6 Posflg D
Corr 0.0
SAO
SAO 186482 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 -0.026 Vmag 8.8 SpType G5
Double code Source 23 CatNum 7542 DM BD-21 4903
DMcomp BDsup HD 166806 M HD 0
GC RA1950rad 4.75703071 DE1950rad -0.37947845 PmRA2000 0.0002
PmDE2000 -0.025
CCDM
Ccdm 18132-2144 RComp Comp A Note1
Note2 Discov num DRAs 2.34 DDEs 16.9
R dRAs 41 Year Theta Rho
Obs 2 Vmag 8.8 Sp G5 PmNote *
PmRA 3 PmDE -26 Dm number -21 4903 Cat1 BD
Name2 186482 Cat2 SAO HD 166806 M HD
ADS BDS A11157 M ADS BDS N IDS IDS 18072S2145A
HIC
 
 
18132-2144 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181314.34-214345.5 Mag 10.3 PmRA 11.00
PmDE -42.0 Tycho2 6276-00825-2 Calc delta mag 1.1 Calc coord yes
Tycho2
Tycho2 6276-00825-2 Pflag P RAmdeg 273.30967152 DEmdeg -21.72891196
PmRA 10.6 PmDE -41.8 E RAmdeg 13 E DEmdeg 17
E pmRA 2.8 E pmDE 2.7 EpRAm 1991.36 EpDEm 1991.05
Num 5 Q RAmdeg 1.2 Q DEmdeg 1.7 Q pmRA 1.2
Q pmDE 1.7 BTmag 11.359 E BTmag 0.081 VTmag 10.300
E VTmag 0.050 Prox 15 TYC HIP
CCDM RAdeg 273.30971472 DEdeg -21.72915667 EpRA 1990 1.79
EpDE 1990 1.74 E RAdeg 35.6 E DEdeg 47.1 Posflg D
Corr 0.0
CCDM
Ccdm 18132-2144 RComp Comp B Note1
Note2 Discov num I 631 DRAs DDEs
R dRAs Year 1913 Theta 182 Rho 1.0
Obs 1 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11157 M ADS BDS N IDS IDS 18072S2145B
HIC