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Current system
18174-1819
ARA 471


Nearby doubles
5' : 18177-1820
ARA 472

8' : 18171-1826
ARA 469

9' : 18175-1828
RST3170AB

14' : 18166-1812
ARA 467

15' : 18181-1810
NSN 136

16' : 18166-1830
DBR 311

17' : 18165-1830
DBR 310

17' : 18180-1834
ARA 473

20' : 18166-1835
DBR 312

26' : 18166-1842
ARA 468

26' : 18167-1755
ARA 274

27' : 18191-1828
ARA 474

27' : 18187-1837
BU 639AB

27' : 18193-1817
BRT1527

29' : 18180-1842
HWE 42

30' : 18188-1804
OL 104

30' : 18179-1848
SHJ 263AB

30' : 18156-1835
ARA 465

31' : 18179-1750
ARA 275AB

33' : 18173-1851
ARA 470

35' : 18198-1809
RST3175

35' : 18192-1757
ARA 276

36' : 18155-1840
SEE 349

40' : 18165-1856
ARA 466

40' : 18170-1858
MZA 23AB

40' : 18168-1858
OCC9179



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18174-1819 ARA 471

 
 
18h 17m 21.91s -18° 18' 59.0" P.A. 54.00 sep 11.8 mag 10.99,11.11
 
 
Coord 2000 18174-1819 Discov num ARA 471 Comp Coord arcsec 2000 18 17 21.91 -18 18 59.0
Date first 1916 Date last 2018 Obs 8
Pa first 56 Pa last 53.5 P.A. Now (θ) 53.5°
Sep first 11.4 Sep last 11.842 Sep. Now (ρ) 11.842"
Mag pri 10.99 Mag sec 11.11 delta mag (ΔM) 0.12 Spectral class
Pri motion ra +005 Sec motion ra +003
Pri motion dec -001 Sec motion dec +007
Notes
rPM=1.083
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6269-01993-1 Gaia DR2 4096394469630421376
 
 
WDS 18174-1819 ARA 471 : 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
18174-1819 ARA 471 1999 3 54 11.8 10.99 11.11 D 181721.91-181859.0
18174-1819 ARA 471 2017 6 55 11.9 10.99 11.11 181721.91-181859.0
18174-1819 ARA 471 2018 8 54 11.8 10.99 11.11 181721.91-181859.0

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

 
 
WDS 18174-1819 ARA 471 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18174-1819 ARA 471 : MEASURES
 
 
No records found.

 
 
WDS 18174-1819 : VIRTUAL EYEPIECE
 
 

18174-1819 ARA 471A mag 10.99 18174-1819 ARA 471B sep 11.5 P.A. 52.10 mag 11.11 virtual eyepiece
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Radius:
Components only
 
 
WDS 18174-1819 : ALADIN DSS IMAGE @ 18h 17m 21.91s -18° 18' 59.0"
 
 
 
 
WDS 18174-1819 ARA 471 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18174-1819 ARA 471 distance=0' 18177-1820 ARA 472 distance=5' 18171-1826 ARA 469 distance=8' 18175-1828 OCC 12Aa,Ab distance=9' 18175-1828 RST3170AB distance=9' 18166-1812 ARA 467 distance=14' 18181-1810 NSN 136 distance=15' 18166-1830 DBR 311 distance=16' 18165-1830 DBR 310 distance=17' 18180-1834 ARA 473 distance=17' 18166-1835 DBR 312 distance=20' 18166-1842 ARA 468 distance=26' 18167-1755 ARA 274 distance=26' 18191-1828 ARA 474 distance=27' 18187-1837 BU 639AB distance=27' 18187-1837 SHJ 264AB,C distance=27' 18187-1837 FOX 225AB,E distance=27' 18187-1837 BU 300CD distance=27' 18193-1817 BRT1527 distance=27' 18180-1842 HWE 42 distance=29' 18179-1848 BU 299BR distance=29' 18179-1848 BU 299VW distance=30' 18179-1848 BU 299TS distance=30' 18188-1804 OL 104 distance=30' 18179-1848 SHJ 263AB distance=30' 18179-1848 BU 299AT distance=30' 18179-1848 BU 299AU distance=30' 18179-1848 BU 299AV distance=30' 18179-1848 BU 299AW distance=30' 18156-1835 ARA 465 distance=30' 18179-1750 TDT 781Aa,Ab distance=31' 18179-1750 ARA 275AB distance=31' 18173-1851 ARA 470 distance=33' 18198-1809 RST3175 distance=35' 18192-1757 ARA 276 distance=35' 18155-1840 SEE 349 distance=36' 18165-1856 ARA 466 distance=40' 18170-1858 MZA 23AB distance=40' 18170-1858 SNA 85Aa,Ab distance=40' 18170-1858 SNA 85AC distance=40' 18170-1858 SNA 85AD distance=40' 18170-1858 SNA 85AE distance=40' 18168-1858 OCC9179 distance=40' 18195-1754 ARA 277 distance=41' 18146-1808 TDT 759 distance=42' 18164-1858 B 1885 distance=42' 18158-1855 OCC 566 distance=43' 18184-1859 OCC9180 distance=43' 18169-1734 SKF 98 distance=47' 18147-1847 TOB 272BC distance=47' 18147-1847 TOB 272AB distance=47' 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 18174-1819 ARA 471 54 11.8
Show 18177-1820 ARA 472 183 14.8 5
Show 18171-1826 ARA 469 355 6.5 8
Show 18175-1828 OCC 12 Aa,Ab -1 0.1 9
Show 18175-1828 RST3170 AB 169 8.6 9
Show 18166-1812 ARA 467 81 13.6 14
Show 18181-1810 NSN 136 76 32.9 15
Show 18166-1830 DBR 311 101 3.1 16
Show 18165-1830 DBR 310 63 2.1 17
Show 18180-1834 ARA 473 334 14.2 17
Show 18166-1835 DBR 312 37 4.4 20
Show 18166-1842 ARA 468 131 5.9 26
Show 18167-1755 ARA 274 147 10.8 26
Show 18191-1828 ARA 474 222 12.6 27
Show 18187-1837 BU 639 AB 136 0.5 27
Show 18187-1837 SHJ 264 AB,C 50 17.2 27
Show 18187-1837 FOX 225 AB,E 328 145.6 27
Show 18187-1837 BU 300 CD 329 6.3 27
Show 18193-1817 BRT1527 359 5.0 27
Show 18180-1842 HWE 42 189 21.5 29
Show 18179-1848 BU 299 BR 133 10.2 29
Show 18179-1848 BU 299 VW 317 6.8 30
Show 18179-1848 BU 299 TS 304 7.5 30
Show 18188-1804 OL 104 213 3.6 30
Show 18179-1848 SHJ 263 AB 10 53.7 30
Show 18179-1848 BU 299 AT 21 21.5 30
Show 18179-1848 BU 299 AU 66 28.5 30
Show 18179-1848 BU 299 AV 324 22.9 30
Show 18179-1848 BU 299 AW 325 23.4 30
Show 18156-1835 ARA 465 258 15.2 30
Show 18179-1750 TDT 781 Aa,Ab 130 0.4 31
Show 18179-1750 ARA 275 AB 349 10.4 31
Show 18173-1851 ARA 470 166 13.8 33
Show 18198-1809 RST3175 127 0.6 35
Show 18192-1757 ARA 276 40 12.6 35
Show 18155-1840 SEE 349 134 10.6 36
Show 18165-1856 ARA 466 140 7.3 40
Show 18170-1858 MZA 23 AB 227 17.5 40
Show 18170-1858 SNA 85 Aa,Ab 265 0.0 40
Show 18170-1858 SNA 85 AC 88 5.1 40
Show 18170-1858 SNA 85 AD 247 5.8 40
Show 18170-1858 SNA 85 AE 58 7.3 40
Show 18168-1858 OCC9179 -1 0.1 40
Show 18195-1754 ARA 277 117 15.1 41
Show 18146-1808 TDT 759 250 1.3 42
Show 18164-1858 B 1885 257 2.5 42
Show 18158-1855 OCC 566 -1 0.1 43
Show 18184-1859 OCC9180 -1 0.1 43
Show 18169-1734 SKF 98 243 4.0 47
Show 18147-1847 TOB 272 BC 324 18.4 47
Show 18147-1847 TOB 272 AB 330 28.8 47

 
 
WDS 18174-1819 : COMPONENTS
 
 
  A
B pa=52.1°
sep=11.46"
 
 
18174-1819 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181721.91-181859.0 Mag 10.99 PmRA 5.00
PmDE -1.0 Tycho2 6269-01993-1
Tycho2
Tycho2 6269-01993-1 Pflag RAmdeg 274.34127921 DEmdeg -18.31637789
PmRA 7.1 PmDE 0.2 E RAmdeg 54 E DEmdeg 72
E pmRA 2.2 E pmDE 2.4 EpRAm 1982.58 EpDEm 1976.65
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.6 BTmag 11.232 E BTmag 0.088 VTmag 10.986
E VTmag 0.112 Prox 116 TYC HIP
CCDM RAdeg 274.34126222 DEdeg -18.31637833 EpRA 1990 1.83
EpDE 1990 1.80 E RAdeg 57.9 E DEdeg 81.3 Posflg
Corr 0.2
 
 
18174-1819 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181722.54-181852.0 Mag 11.11 PmRA 3.00
PmDE 7.0 Tycho2 6269-00290-1 Calc delta mag 0.12 Calc coord yes
Tycho2
Tycho2 6269-00290-1 Pflag RAmdeg 274.34398504 DEmdeg -18.31443710
PmRA 1.7 PmDE 8.4 E RAmdeg 92 E DEmdeg 132
E pmRA 4.2 E pmDE 4.6 EpRAm 1984.91 EpDEm 1978.90
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.996 E BTmag 0.167 VTmag 11.105
E VTmag 0.120 Prox 116 TYC HIP
CCDM RAdeg 274.34398083 DEdeg -18.31445611 EpRA 1990 1.84
EpDE 1990 1.81 E RAdeg 96.8 E DEdeg 144.7 Posflg
Corr 0.2