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Doubles in session


Current system
18231-2252
ARA 1881


Nearby doubles
6' : 18235-2252
ARA1883

7' : 18233-2245
BRT1533

10' : 18236-2245
ARA1884

13' : 18223-2248
ARA1876

14' : 18241-2248
ARA1886AB

17' : 18228-2235
ARA1880

24' : 18220-2233
J 2208

26' : 18218-2309
ARA2228

34' : 18208-2257
ARA1872

38' : 18227-2328
BRT3067

39' : 18226-2213
BRT1532

40' : 18218-2327
DON 895

44' : 18237-2209
BRT1534

46' : 18209-2216
ARA1873

49' : 18197-2244
BRT1528

50' : 18196-2247
ARA1870

50' : 18258-2220
ARA1887

52' : 18224-2202
ARA1877

52' : 18224-2201
ARA1878

53' : 18217-2203
ARA1874

54' : 18199-2222
DON 891

55' : 18220-2344
ARA2229

60' : 18189-2304
B 2443

61' : 18229-2352
ARA2230

66' : 18185-2309
TDT 787

70' : 18234-2143
ARA1530



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

18231-2252 ARA 1881

 
 
18h 23m 06.18s -22° 51' 40.2" P.A. 134.00 sep 13.3 mag 13.00,13.20
 
 
Coord 2000 18231-2252 Discov num ARA1881 Comp Coord arcsec 2000 18 23 06.18 -22 51 40.2
Date first 1920 Date last 2015 Obs 6
Pa first 138 Pa last 133.5 P.A. Now (θ) 133.5°
Sep first 14.5 Sep last 13.263 Sep. Now (ρ) 13.263"
Mag pri 13.00 Mag sec 13.20 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +007 Sec motion ra +026
Pri motion dec -015 Sec motion dec +001
Notes
rPM=0.955
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4089708094504968064
 
 
WDS 18231-2252 ARA 1881 : 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
18231-2252 ARA1881 1998 2 134 13.5 13.00 13.20 D 182306.18-225140.2
18231-2252 ARA1881 1999 3 134 13.5 13.00 13.20 D 182306.18-225140.2
18231-2252 ARA1881 2010 5 135 13.6 13.00 13.20 182306.18-225140.2
18231-2252 ARA1881 2015 6 134 13.3 13.00 13.20 182306.18-225140.2

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

 
 
WDS 18231-2252 ARA 1881 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18231-2252 ARA 1881 : MEASURES
 
 
No records found.

 
 
WDS 18231-2252 : VIRTUAL EYEPIECE
 
 

18231-2252 ARA1881A mag 13 18231-2252 ARA1881B sep 12.7 P.A. 135.80 mag 13.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 18231-2252 : ALADIN DSS IMAGE @ 18h 23m 06.18s -22° 51' 40.2"
 
 
 
 
WDS 18231-2252 ARA 1881 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18231-2252 ARA1881 distance=0' 18235-2252 ARA1883 distance=6' 18233-2245 BRT1533 distance=7' 18236-2245 ARA1884 distance=10' 18223-2248 ARA1876 distance=13' 18241-2248 ARA1886AB distance=14' 18241-2248 ARA1886AC distance=14' 18228-2235 ARA1880 distance=17' 18220-2233 J 2208 distance=24' 18218-2309 ARA2228 distance=26' 18208-2257 ARA1872 distance=34' 18227-2328 BRT3067 distance=38' 18226-2213 BRT1532 distance=39' 18218-2327 DON 895 distance=40' 18237-2209 BRT1534 distance=44' 18209-2216 ARA1873 distance=46' 18197-2244 BRT1528 distance=49' 18196-2247 ARA1870 distance=50' 18258-2220 ARA1887 distance=50' 18224-2202 ARA1877 distance=52' 18224-2201 ARA1878 distance=52' 18217-2203 ARA1874 distance=53' 18199-2222 DON 891 distance=54' 18220-2344 ARA2229 distance=55' 18189-2304 B 2443 distance=60' 18229-2352 ARA2230 distance=61' 18185-2309 TDT 787 distance=66' 18234-2143 ARA1530 distance=70' 18281-2300 OCC 45 distance=70' 18216-2358 ARA2318 distance=70' 18189-2330 ARA2226 distance=70' 18182-2231 ARA1869 distance=70' 18220-2143 ARA1528 distance=71' 18216-2359 B 388 distance=71' 18254-2146 ARA1533 distance=74' 18239-2139 BRT1536 distance=74' 18181-2318 BRT1526 distance=74' 18284-2249 OCC 44 distance=74' 18281-2228 ARA1888 distance=75' 18282-2227 ARA1889 distance=76' 18280-2328 LEO 18 distance=78' 18236-2133 RST5112 distance=80' 18178-2220 ARA1868 distance=80' 18273-2154 ARA1535 distance=82' 18210-2408 RST4007 distance=82' 18239-2129 BRT1535 distance=84' 18192-2146 ARA1527 distance=86' 18294-2258 BRT1538 distance=87' 18168-2259 OCC 289 distance=88' 18175-2331 ARA2224 distance=88' 18281-2349 ARA2231 distance=90' 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 18231-2252 ARA1881 134 13.3
Show 18235-2252 ARA1883 216 6.5 6
Show 18233-2245 BRT1533 65 1.9 7
Show 18236-2245 ARA1884 338 13.8 10
Show 18223-2248 ARA1876 84 10.8 13
Show 18241-2248 ARA1886 AB 64 15.2 14
Show 18241-2248 ARA1886 AC 152 7.9 14
Show 18228-2235 ARA1880 244 10.3 17
Show 18220-2233 J 2208 170 6.4 24
Show 18218-2309 ARA2228 195 14.0 26
Show 18208-2257 ARA1872 77 6.9 34
Show 18227-2328 BRT3067 29 3.3 38
Show 18226-2213 BRT1532 245 5.8 39
Show 18218-2327 DON 895 141 2.2 40
Show 18237-2209 BRT1534 117 4.7 44
Show 18209-2216 ARA1873 97 14.1 46
Show 18197-2244 BRT1528 321 4.2 49
Show 18196-2247 ARA1870 254 6.5 50
Show 18258-2220 ARA1887 187 6.0 50
Show 18224-2202 ARA1877 255 9.0 52
Show 18224-2201 ARA1878 264 12.4 52
Show 18217-2203 ARA1874 288 9.6 53
Show 18199-2222 DON 891 78 4.8 54
Show 18220-2344 ARA2229 246 13.5 55
Show 18189-2304 B 2443 59 8.3 60
Show 18229-2352 ARA2230 346 18.4 61
Show 18185-2309 TDT 787 241 0.6 66
Show 18234-2143 ARA1530 101 14.5 70
Show 18281-2300 OCC 45 -1 0.1 70
Show 18216-2358 ARA2318 122 8.5 70
Show 18189-2330 ARA2226 124 12.2 70
Show 18182-2231 ARA1869 160 6.4 70
Show 18220-2143 ARA1528 298 16.6 71
Show 18216-2359 B 388 199 1.6 71
Show 18254-2146 ARA1533 336 13.3 74
Show 18239-2139 BRT1536 71 3.5 74
Show 18181-2318 BRT1526 354 4.4 74
Show 18284-2249 OCC 44 -1 0.1 74
Show 18281-2228 ARA1888 250 13.7 75
Show 18282-2227 ARA1889 9 9.0 76
Show 18280-2328 LEO 18 295 2.8 78
Show 18236-2133 RST5112 25 0.3 80
Show 18178-2220 ARA1868 112 9.9 80
Show 18273-2154 ARA1535 38 11.4 82
Show 18210-2408 RST4007 121 0.2 82
Show 18239-2129 BRT1535 307 4.5 84
Show 18192-2146 ARA1527 191 13.4 86
Show 18294-2258 BRT1538 290 4.1 87
Show 18168-2259 OCC 289 -1 0.0 88
Show 18175-2331 ARA2224 316 11.8 88
Show 18281-2349 ARA2231 250 12.0 90

 
 
WDS 18231-2252 : COMPONENTS
 
 
  A
B pa=135.8°
sep=12.73"
 
 
18231-2252 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182306.18-225140.2 Mag 13 PmRA 7.00
PmDE -15.0
 
 
18231-2252 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182306.82-225149.3 Mag 13.2 PmRA 26.00
PmDE 1.0 Calc delta mag 0.2 Calc coord yes