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Doubles in session


Current system
18133-1817
ARA 462
HD 166850


Nearby doubles
5' : 18130-1819
TDT 739

17' : 18126-1804
ARA 461

19' : 18140-1801
TDT 754

21' : 18146-1808
TDT 759

23' : 18118-1825
HJ 2820AB

27' : 18124-1840
KPP4092

28' : 18137-1845
FEN 28

29' : 18115-1807
ARA 457

31' : 18125-1847
ARA 460

32' : 18155-1840
SEE 349

32' : 18138-1847
HJ 594AB

34' : 18146-1750
ARA 269

36' : 18147-1847
TOB 272AB

37' : 18125-1852
VAT 2

38' : 18156-1835
ARA 465

40' : 18120-1852
OCC9177

40' : 18146-1742
SKF 96

46' : 18125-1901
SKF 95

46' : 18137-1903
SKF 97

47' : 18150-1857
RST3167

47' : 18135-1903
ARA 734

48' : 18166-1812
ARA 467

48' : 18143-1902
ARA 740

48' : 18165-1830
DBR 310

48' : 18138-1904
ARA 735

48' : 18152-1738
ARA 270



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

18133-1817 ARA 462 (HD 166850)

 
 
18h 13m 18.17s -18° 17' 28.0" P.A. 343.00 sep 14.8 mag 10.49,11.94 Sp A0III
 
 
Coord 2000 18133-1817 Discov num ARA 462 Comp Coord arcsec 2000 18 13 18.17 -18 17 28.0
Date first 1916 Date last 2015 Obs 9
Pa first 346 Pa last 343.1 P.A. Now (θ) 343.1°
Sep first 13.8 Sep last 14.762 Sep. Now (ρ) 14.762"
Mag pri 10.49 Mag sec 11.94 delta mag (ΔM) 1.45 Spectral class A0III (white)
Pri motion ra +005 Sec motion ra +001
Pri motion dec -010 Sec motion dec -001
Notes
rPM=0.881
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166850 Constellation Sagittarius Tycho2 6268-01765-1 Gaia DR2 4095682089095111296
HD 166850
 
 
WDS 18133-1817 ARA 462 (HD 166850) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ara1961 Pa - Aravamudan, S. 1961PASP...73..266A
Ara1961 PASP 73, 266, 1961
Ara1963 Pa - Aravamudan, S. .
Ara1963 Pub. Nizamiah Obs. 13, Pt.3, 1963
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18133-1817 ARA 462 1998 4 343 14.7 10.49 11.83 A0III D 181318.17-181728.0
18133-1817 ARA 462 2008 5 343 14.8 10.49 11.83 A0III D 181318.17-181728.0
18133-1817 ARA 462 2010 8 343 14.8 10.49 11.94 A0III 181318.17-181728.0
18133-1817 ARA 462 2015 9 343 14.8 10.49 11.94 A0III 181318.17-181728.0

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WDS 18133-1817 ARA 462 (HD 166850) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18133-1817 ARA 462 (HD 166850) : MEASURES
 
 
No records found.

 
 
WDS 18133-1817 (HD 166850) : VIRTUAL EYEPIECE
 
 

18133-1817 ARA 462A mag 10.49 Sp A0III 18133-1817 ARA 462B sep 14.7 P.A. 343.90 mag 11.94 virtual eyepiece
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Radius:
Components only
 
 
WDS 18133-1817 (HD 166850) : ALADIN DSS IMAGE @ 18h 13m 18.17s -18° 17' 28.0"
 
 
 
 
WDS 18133-1817 ARA 462 (HD 166850) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18133-1817 ARA 462 distance=0' 18130-1819 TDT 739 distance=5' 18126-1804 ARA 461 distance=17' 18140-1801 TDT 754 distance=19' 18146-1808 TDT 759 distance=21' 18118-1825 HJ 2820AB distance=23' 18118-1825 HJ 2820AC distance=23' 18118-1825 HJ 2820BC distance=23' 18124-1840 KPP4092 distance=27' 18137-1845 FEN 28 distance=28' 18115-1807 ARA 457 distance=29' 18125-1847 ARA 460 distance=31' 18155-1840 SEE 349 distance=32' 18138-1847 HJ 594AB distance=32' 18138-1847 HJ 594AC distance=32' 18146-1750 ARA 269 distance=34' 18147-1847 TOB 272BC distance=36' 18147-1847 TOB 272AB distance=36' 18125-1852 VAT 2 distance=37' 18156-1835 ARA 465 distance=38' 18120-1852 OCC9177 distance=40' 18146-1742 SKF 96 distance=40' 18125-1901 SKF 95 distance=46' 18137-1903 SKF 97 distance=46' 18150-1857 RST3167 distance=47' 18135-1903 ARA 734 distance=47' 18166-1812 ARA 467 distance=48' 18143-1902 ARA 740 distance=48' 18165-1830 DBR 310 distance=48' 18138-1904 ARA 735 distance=48' 18152-1738 ARA 270 distance=48' 18140-1904 ARA 736 distance=48' 18166-1830 DBR 311 distance=49' 18143-1904 B 2859AB distance=49' 18143-1904 SIN 108AC distance=49' 18150-1900 ARA 741 distance=49' 18105-1745 J 2197BC distance=50' 18166-1835 DBR 312 distance=50' 18118-1903 I 1479 distance=51' 18153-1900 BU 284BR distance=51' 18153-1900 BU 284AB distance=51' 18153-1900 BU 284AC distance=51' 18153-1900 BU 284AD distance=51' 18153-1900 BU 284AE distance=51' 18153-1900 BU 284AF distance=51' 18153-1900 BU 284AG distance=51' 18153-1900 BU 284AH distance=51' 18153-1900 BU 284AS distance=51' 18105-1745 J 2197AB distance=51' 18153-1900 ARA 743CQ distance=51' 18155-1738 ARA 271 distance=51' 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 18133-1817 ARA 462 343 14.8
Show 18130-1819 TDT 739 253 2.2 5
Show 18126-1804 ARA 461 313 10.8 17
Show 18140-1801 TDT 754 91 0.5 19
Show 18146-1808 TDT 759 250 1.3 21
Show 18118-1825 HJ 2820 AB 279 5.8 23
Show 18118-1825 HJ 2820 AC 82 12.9 23
Show 18118-1825 HJ 2820 BC 87 18.5 23
Show 18124-1840 KPP4092 335 1.6 27
Show 18137-1845 FEN 28 256 3.6 28
Show 18115-1807 ARA 457 3 14.3 29
Show 18125-1847 ARA 460 86 13.7 31
Show 18155-1840 SEE 349 134 10.6 32
Show 18138-1847 HJ 594 AB 121 7.6 32
Show 18138-1847 HJ 594 AC 238 13.5 32
Show 18146-1750 ARA 269 68 14.6 34
Show 18147-1847 TOB 272 BC 324 18.4 36
Show 18147-1847 TOB 272 AB 330 28.8 36
Show 18125-1852 VAT 2 86 7.6 37
Show 18156-1835 ARA 465 258 15.2 38
Show 18120-1852 OCC9177 -1 0.0 40
Show 18146-1742 SKF 96 50 3.3 40
Show 18125-1901 SKF 95 122 5.9 46
Show 18137-1903 SKF 97 269 2.5 46
Show 18150-1857 RST3167 153 4.5 47
Show 18135-1903 ARA 734 211 10.8 47
Show 18166-1812 ARA 467 81 13.6 48
Show 18143-1902 ARA 740 53 9.2 48
Show 18165-1830 DBR 310 63 2.1 48
Show 18138-1904 ARA 735 93 9.6 48
Show 18152-1738 ARA 270 333 15.0 48
Show 18140-1904 ARA 736 336 11.6 48
Show 18166-1830 DBR 311 101 3.1 49
Show 18143-1904 B 2859 AB 48 6.6 49
Show 18143-1904 SIN 108 AC 149 11.3 49
Show 18150-1900 ARA 741 355 14.7 49
Show 18105-1745 J 2197 BC 82 6.2 50
Show 18166-1835 DBR 312 37 4.4 50
Show 18118-1903 I 1479 237 2.0 51
Show 18153-1900 BU 284 BR 326 5.2 51
Show 18153-1900 BU 284 AB 358 18.1 51
Show 18153-1900 BU 284 AC 86 31.1 51
Show 18153-1900 BU 284 AD 192 57.8 51
Show 18153-1900 BU 284 AE 188 75.3 51
Show 18153-1900 BU 284 AF 267 138.7 51
Show 18153-1900 BU 284 AG 200 12.4 51
Show 18153-1900 BU 284 AH 67 21.0 51
Show 18153-1900 BU 284 AS 103 19.1 51
Show 18105-1745 J 2197 AB 109 72.6 51
Show 18153-1900 ARA 743 CQ 298 13.1 51
Show 18155-1738 ARA 271 255 8.9 51

 
 
WDS 18133-1817 : COMPONENTS
 
 
  A
B pa=343.9°
sep=14.70"
 
 
18133-1817 A
 
 
Componente originario normalizzato AB Name HD 166850 Coord arcsec 2000 181318.17-181728.0 Mag 10.49
Spectral class A0III (white) PmRA 5.00 PmDE -10.0 Tycho2 6268-01765-1
HD 166850
Tycho2
Tycho2 6268-01765-1 Pflag RAmdeg 273.32571503 DEmdeg -18.29112484
PmRA 6.3 PmDE -15.0 E RAmdeg 29 E DEmdeg 37
E pmRA 2.5 E pmDE 2.6 EpRAm 1989.98 EpDEm 1988.77
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.6 Q pmRA 1.2
Q pmDE 0.6 BTmag 10.729 E BTmag 0.048 VTmag 10.490
E VTmag 0.055 Prox 144 TYC T HIP
CCDM RAdeg 273.32570000 DEdeg -18.29109000 EpRA 1990 1.72
EpDE 1990 1.66 E RAdeg 29.0 E DEdeg 37.8 Posflg
Corr -0.1
 
 
18133-1817 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181317.88-181713.9 Mag 11.94 PmRA 1.00
PmDE -1.0 Tycho2 6268-00989-1 Calc delta mag 1.45 Calc coord yes
Tycho2
Tycho2 6268-00989-1 Pflag RAmdeg 273.32437080 DEmdeg -18.28732943
PmRA -2.8 PmDE -10.5 E RAmdeg 120 E DEmdeg 143
E pmRA 3.6 E pmDE 4.0 EpRAm 1970.96 EpDEm 1964.39
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.2 Q pmRA 0.8
Q pmDE 0.2 BTmag 12.656 E BTmag 0.322 VTmag 11.830
E VTmag 0.210 Prox 144 TYC HIP
CCDM RAdeg 273.32437806 DEdeg -18.28730500 EpRA 1990 1.69
EpDE 1990 1.64 E RAdeg 140.5 E DEdeg 179.8 Posflg
Corr 0.0