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Current system
18177-1820
ARA 472


Nearby doubles
5' : 18174-1819
ARA 471

9' : 18175-1828
RST3170AB

11' : 18171-1826
ARA 469

12' : 18181-1810
NSN 136

15' : 18180-1834
ARA 473

18' : 18166-1812
ARA 467

19' : 18166-1830
DBR 311

20' : 18165-1830
DBR 310

23' : 18191-1828
ARA 474

23' : 18166-1835
DBR 312

23' : 18193-1817
BRT1527

24' : 18187-1837
BU 639AB

26' : 18188-1804
OL 104

27' : 18166-1842
ARA 468

27' : 18180-1842
HWE 42

29' : 18167-1755
ARA 274

29' : 18179-1848
SHJ 263AB

30' : 18179-1750
ARA 275AB

31' : 18198-1809
RST3175

33' : 18192-1757
ARA 276

33' : 18173-1851
ARA 470

34' : 18156-1835
ARA 465

38' : 18195-1754
ARA 277

40' : 18155-1840
SEE 349

40' : 18170-1858
MZA 23AB

41' : 18165-1856
ARA 466



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

18177-1820 ARA 472

 
 
18h 17m 39.80s -18° 19' 20.2" P.A. 183.00 sep 14.8 mag 12.10,11.55
 
 
Coord 2000 18177-1820 Discov num ARA 472 Comp Coord arcsec 2000 18 17 39.80 -18 19 20.2
Date first 1916 Date last 2015 Obs 6
Pa first 183 Pa last 182.6 P.A. Now (θ) 182.6°
Sep first 14.2 Sep last 14.759 Sep. Now (ρ) 14.759"
Mag pri 12.10 Mag sec 11.55 delta mag (ΔM) 0.55 Spectral class
Pri motion ra +008 Sec motion ra +002
Pri motion dec -002 Sec motion dec -002
Notes
rPM=0.728
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6269-02878-1 Gaia DR2 4096393541917356800
 
 
WDS 18177-1820 ARA 472 : 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
18177-1820 ARA 472 1999 3 187 15.7 11.55 11.80 D 181739.69-181934.9
18177-1820 ARA 472 2015 6 183 14.8 12.10 11.55 181739.80-181920.2

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

 
 
WDS 18177-1820 ARA 472 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18177-1820 ARA 472 : MEASURES
 
 
No records found.

 
 
WDS 18177-1820 : VIRTUAL EYEPIECE
 
 

18177-1820 ARA 472A mag 12.1 18177-1820 ARA 472B sep 14.8 P.A. 182.50 mag 11.55 virtual eyepiece
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Radius:
Components only
 
 
WDS 18177-1820 : ALADIN DSS IMAGE @ 18h 17m 39.80s -18° 19' 20.2"
 
 
 
 
WDS 18177-1820 ARA 472 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18177-1820 ARA 472 distance=1' 18174-1819 ARA 471 distance=5' 18175-1828 OCC 12Aa,Ab distance=9' 18175-1828 RST3170AB distance=9' 18171-1826 ARA 469 distance=11' 18181-1810 NSN 136 distance=12' 18180-1834 ARA 473 distance=15' 18166-1812 ARA 467 distance=18' 18166-1830 DBR 311 distance=19' 18165-1830 DBR 310 distance=20' 18191-1828 ARA 474 distance=23' 18166-1835 DBR 312 distance=23' 18193-1817 BRT1527 distance=23' 18187-1837 BU 639AB distance=24' 18187-1837 SHJ 264AB,C distance=24' 18187-1837 FOX 225AB,E distance=24' 18187-1837 BU 300CD distance=24' 18188-1804 OL 104 distance=26' 18166-1842 ARA 468 distance=27' 18180-1842 HWE 42 distance=27' 18179-1848 BU 299BR distance=28' 18167-1755 ARA 274 distance=29' 18179-1848 BU 299VW distance=29' 18179-1848 BU 299TS distance=29' 18179-1848 SHJ 263AB distance=29' 18179-1848 BU 299AT distance=29' 18179-1848 BU 299AU distance=29' 18179-1848 BU 299AV distance=29' 18179-1848 BU 299AW distance=29' 18179-1750 TDT 781Aa,Ab distance=30' 18179-1750 ARA 275AB distance=30' 18198-1809 RST3175 distance=31' 18192-1757 ARA 276 distance=33' 18173-1851 ARA 470 distance=33' 18156-1835 ARA 465 distance=34' 18195-1754 ARA 277 distance=38' 18155-1840 SEE 349 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' 18165-1856 ARA 466 distance=41' 18168-1858 OCC9179 distance=41' 18184-1859 OCC9180 distance=41' 18164-1858 B 1885 distance=43' 18206-1811 SKF 100 distance=44' 18158-1855 OCC 566 distance=45' 18146-1808 TDT 759 distance=46' 18183-1733 J 2206 distance=47' 18169-1734 SKF 98 distance=48' 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 18177-1820 ARA 472 183 14.8 1
Show 18174-1819 ARA 471 54 11.8 5
Show 18175-1828 OCC 12 Aa,Ab -1 0.1 9
Show 18175-1828 RST3170 AB 169 8.6 9
Show 18171-1826 ARA 469 355 6.5 11
Show 18181-1810 NSN 136 76 32.9 12
Show 18180-1834 ARA 473 334 14.2 15
Show 18166-1812 ARA 467 81 13.6 18
Show 18166-1830 DBR 311 101 3.1 19
Show 18165-1830 DBR 310 63 2.1 20
Show 18191-1828 ARA 474 222 12.6 23
Show 18166-1835 DBR 312 37 4.4 23
Show 18193-1817 BRT1527 359 5.0 23
Show 18187-1837 BU 639 AB 136 0.5 24
Show 18187-1837 SHJ 264 AB,C 50 17.2 24
Show 18187-1837 FOX 225 AB,E 328 145.6 24
Show 18187-1837 BU 300 CD 329 6.3 24
Show 18188-1804 OL 104 213 3.6 26
Show 18166-1842 ARA 468 131 5.9 27
Show 18180-1842 HWE 42 189 21.5 27
Show 18179-1848 BU 299 BR 133 10.2 28
Show 18167-1755 ARA 274 147 10.8 29
Show 18179-1848 BU 299 VW 317 6.8 29
Show 18179-1848 BU 299 TS 304 7.5 29
Show 18179-1848 SHJ 263 AB 10 53.7 29
Show 18179-1848 BU 299 AT 21 21.5 29
Show 18179-1848 BU 299 AU 66 28.5 29
Show 18179-1848 BU 299 AV 324 22.9 29
Show 18179-1848 BU 299 AW 325 23.4 29
Show 18179-1750 TDT 781 Aa,Ab 130 0.4 30
Show 18179-1750 ARA 275 AB 349 10.4 30
Show 18198-1809 RST3175 127 0.6 31
Show 18192-1757 ARA 276 40 12.6 33
Show 18173-1851 ARA 470 166 13.8 33
Show 18156-1835 ARA 465 258 15.2 34
Show 18195-1754 ARA 277 117 15.1 38
Show 18155-1840 SEE 349 134 10.6 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 18165-1856 ARA 466 140 7.3 41
Show 18168-1858 OCC9179 -1 0.1 41
Show 18184-1859 OCC9180 -1 0.1 41
Show 18164-1858 B 1885 257 2.5 43
Show 18206-1811 SKF 100 140 3.8 44
Show 18158-1855 OCC 566 -1 0.1 45
Show 18146-1808 TDT 759 250 1.3 46
Show 18183-1733 J 2206 83 2.3 47
Show 18169-1734 SKF 98 243 4.0 48

 
 
WDS 18177-1820 : COMPONENTS
 
 
  A
B pa=182.5°
sep=14.76"
 
 
18177-1820 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181739.80-181920.2 Mag 12.1 PmRA 8.00
PmDE -2.0
 
 
18177-1820 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181739.76-181934.9 Mag 11.55 PmRA 2.00
PmDE -2.0 Tycho2 6269-02878-1 Calc delta mag 0.55 Calc coord yes
Tycho2
Tycho2 6269-02878-1 Pflag RAmdeg 274.41537806 DEmdeg -18.32637971
PmRA -7.3 PmDE -8.3 E RAmdeg 104 E DEmdeg 135
E pmRA 3.5 E pmDE 3.9 EpRAm 1976.74 EpDEm 1968.79
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.5 Q pmRA 0.1
Q pmDE 1.5 BTmag 12.831 E BTmag 0.412 VTmag 11.553
E VTmag 0.187 Prox 999 TYC HIP
CCDM RAdeg 274.41539528 DEdeg -18.32636111 EpRA 1990 1.79
EpDE 1990 1.80 E RAdeg 116.0 E DEdeg 161.7 Posflg
Corr 0.0