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Doubles in session


Current system
18218-2309
ARA 2228


Nearby doubles
18' : 18218-2327
DON 895

19' : 18208-2257
ARA1872

22' : 18223-2248
ARA1876

24' : 18227-2328
BRT3067

26' : 18231-2252
ARA1881

30' : 18235-2252
ARA1883

32' : 18233-2245
BRT1533

35' : 18236-2245
ARA1884

36' : 18220-2344
ARA2229

37' : 18220-2233
J 2208

37' : 18228-2235
ARA1880

38' : 18197-2244
BRT1528

38' : 18196-2247
ARA1870

39' : 18241-2248
ARA1886AB

41' : 18189-2304
B 2443

45' : 18185-2309
TDT 787

45' : 18189-2330
ARA2226

46' : 18229-2352
ARA2230

50' : 18216-2358
ARA2318

51' : 18216-2359
B 388

51' : 18181-2318
BRT1526

54' : 18199-2222
DON 891

54' : 18209-2216
ARA1873

57' : 18226-2213
BRT1532

60' : 18210-2408
RST4007

62' : 18182-2231
ARA1869



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

18218-2309 ARA 2228

 
 
18h 21m 44.66s -23° 09' 00.8" P.A. 195.00 sep 14.0 mag 12.90,13.00
 
 
Coord 2000 18218-2309 Discov num ARA2228 Comp Coord arcsec 2000 18 21 44.66 -23 09 00.8
Date first 1911 Date last 2015 Obs 7
Pa first 195 Pa last 195.2 P.A. Now (θ) 195.2°
Sep first 13.5 Sep last 13.963 Sep. Now (ρ) 13.963"
Mag pri 12.90 Mag sec 13.00 delta mag (ΔM) 0.1 Spectral class
Pri motion ra +010 Sec motion ra +003
Pri motion dec -003 Sec motion dec -007
Notes
rPM=0.772
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4089614429863778688
 
 
WDS 18218-2309 ARA 2228 : 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
18218-2309 ARA2228 1999 3 195 14.0 12.90 13.00 D 182144.66-230900.8
18218-2309 ARA2228 2000 6 195 14.0 12.90 13.00 182144.66-230900.8
18218-2309 ARA2228 2010 7 199 12.8 12.90 13.00 182144.66-230900.8
18218-2309 ARA2228 2015 7 195 14.0 12.90 13.00 182144.66-230900.8

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

 
 
WDS 18218-2309 ARA 2228 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18218-2309 ARA 2228 : MEASURES
 
 
No records found.

 
 
WDS 18218-2309 : VIRTUAL EYEPIECE
 
 

18218-2309 ARA2228A mag 12.9 18218-2309 ARA2228B sep 13.9 P.A. 194.00 mag 13 virtual eyepiece
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Radius:
Components only
 
 
WDS 18218-2309 : ALADIN DSS IMAGE @ 18h 21m 44.66s -23° 09' 00.8"
 
 
 
 
WDS 18218-2309 ARA 2228 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18218-2309 ARA2228 distance=1' 18218-2327 DON 895 distance=18' 18208-2257 ARA1872 distance=19' 18223-2248 ARA1876 distance=22' 18227-2328 BRT3067 distance=24' 18231-2252 ARA1881 distance=26' 18235-2252 ARA1883 distance=30' 18233-2245 BRT1533 distance=32' 18236-2245 ARA1884 distance=35' 18220-2344 ARA2229 distance=36' 18220-2233 J 2208 distance=37' 18228-2235 ARA1880 distance=37' 18197-2244 BRT1528 distance=38' 18196-2247 ARA1870 distance=38' 18241-2248 ARA1886AB distance=39' 18241-2248 ARA1886AC distance=39' 18189-2304 B 2443 distance=41' 18185-2309 TDT 787 distance=45' 18189-2330 ARA2226 distance=45' 18229-2352 ARA2230 distance=46' 18216-2358 ARA2318 distance=50' 18216-2359 B 388 distance=51' 18181-2318 BRT1526 distance=51' 18199-2222 DON 891 distance=54' 18209-2216 ARA1873 distance=54' 18226-2213 BRT1532 distance=57' 18210-2408 RST4007 distance=60' 18182-2231 ARA1869 distance=62' 18175-2331 ARA2224 distance=64' 18237-2209 BRT1534 distance=66' 18217-2203 ARA1874 distance=67' 18224-2202 ARA1877 distance=69' 18224-2201 ARA1878 distance=69' 18168-2259 OCC 289 distance=69' 18200-2417 RST3176 distance=72' 18178-2220 ARA1868 distance=73' 18175-2354 RST3169 distance=74' 18258-2220 ARA1887 distance=76' 18167-2240 BRT1524 distance=77' 18163-2253 BRT1522 distance=78' 18166-2354 ARA2223 distance=85' 18213-2433 RST4008 distance=85' 18220-2143 ARA1528 distance=87' 18169-2212 ARA1867 distance=88' 18281-2300 OCC 45 distance=89' 18280-2328 LEO 18 distance=89' 18234-2143 ARA1530 distance=90' 18192-2146 ARA1527 distance=91' 18164-2215 ARA1865 distance=92' 18155-2344 ARA2222 distance=93' 18153-2336 ARA2221 distance=94' 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 18218-2309 ARA2228 195 14.0 1
Show 18218-2327 DON 895 141 2.2 18
Show 18208-2257 ARA1872 77 6.9 19
Show 18223-2248 ARA1876 84 10.8 22
Show 18227-2328 BRT3067 29 3.3 24
Show 18231-2252 ARA1881 134 13.3 26
Show 18235-2252 ARA1883 216 6.5 30
Show 18233-2245 BRT1533 65 1.9 32
Show 18236-2245 ARA1884 338 13.8 35
Show 18220-2344 ARA2229 246 13.5 36
Show 18220-2233 J 2208 170 6.4 37
Show 18228-2235 ARA1880 244 10.3 37
Show 18197-2244 BRT1528 321 4.2 38
Show 18196-2247 ARA1870 254 6.5 38
Show 18241-2248 ARA1886 AB 64 15.2 39
Show 18241-2248 ARA1886 AC 152 7.9 39
Show 18189-2304 B 2443 59 8.3 41
Show 18185-2309 TDT 787 241 0.6 45
Show 18189-2330 ARA2226 124 12.2 45
Show 18229-2352 ARA2230 346 18.4 46
Show 18216-2358 ARA2318 122 8.5 50
Show 18216-2359 B 388 199 1.6 51
Show 18181-2318 BRT1526 354 4.4 51
Show 18199-2222 DON 891 78 4.8 54
Show 18209-2216 ARA1873 97 14.1 54
Show 18226-2213 BRT1532 245 5.8 57
Show 18210-2408 RST4007 121 0.2 60
Show 18182-2231 ARA1869 160 6.4 62
Show 18175-2331 ARA2224 316 11.8 64
Show 18237-2209 BRT1534 117 4.7 66
Show 18217-2203 ARA1874 288 9.6 67
Show 18224-2202 ARA1877 255 9.0 69
Show 18224-2201 ARA1878 264 12.4 69
Show 18168-2259 OCC 289 -1 0.0 69
Show 18200-2417 RST3176 73 0.6 72
Show 18178-2220 ARA1868 112 9.9 73
Show 18175-2354 RST3169 224 0.5 74
Show 18258-2220 ARA1887 187 6.0 76
Show 18167-2240 BRT1524 239 4.1 77
Show 18163-2253 BRT1522 95 6.0 78
Show 18166-2354 ARA2223 7 11.0 85
Show 18213-2433 RST4008 194 0.5 85
Show 18220-2143 ARA1528 298 16.6 87
Show 18169-2212 ARA1867 270 16.2 88
Show 18281-2300 OCC 45 -1 0.1 89
Show 18280-2328 LEO 18 295 2.8 89
Show 18234-2143 ARA1530 101 14.5 90
Show 18192-2146 ARA1527 191 13.4 91
Show 18164-2215 ARA1865 305 14.2 92
Show 18155-2344 ARA2222 314 13.2 93
Show 18153-2336 ARA2221 324 9.0 94

 
 
WDS 18218-2309 : COMPONENTS
 
 
  A
B pa=194.0°
sep=13.89"
 
 
18218-2309 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182144.66-230900.8 Mag 12.9 PmRA 10.00
PmDE -3.0
 
 
18218-2309 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182144.42-230914.3 Mag 13 PmRA 3.00
PmDE -7.0 Calc delta mag 0.1 Calc coord yes