18556-2241 ARA 1904

 
 
18h 55m 40.19s -22° 41' 09.9" P.A. 81.00 sep 12.4 mag 11.45,12.20
 
 
Coord 2000 18556-2241 Discov num ARA1904 Comp Coord arcsec 2000 18 55 40.19 -22 41 09.9
Date first 1921 Date last 2015 Obs 13
Pa first 79 Pa last 80.5 P.A. Now (θ) 80.5°
Sep first 11.8 Sep last 12.393 Sep. Now (ρ) 12.393"
Mag pri 11.45 Mag sec 12.20 delta mag (ΔM) 0.75 Spectral class
Pri motion ra +002 Sec motion ra +004
Pri motion dec +004 Sec motion dec +001
Notes
rPM=0.806
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6860-00999-1 Gaia DR2 4075699457376019200
 
 
WDS 18556-2241 ARA 1904 : 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
18556-2241 ARA1904 1923 3 260 13.1 11.45 12.20 185540.18-224109.5
18556-2241 ARA1904 2000 5 80 12.4 11.45 12.20 185540.19-224109.9
18556-2241 ARA1904 2010 10 81 12.1 11.45 12.20 185540.19-224109.9
18556-2241 ARA1904 2015 11 81 12.4 11.45 12.20 185540.19-224109.9

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WDS 18556-2241 ARA 1904 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18556-2241 ARA 1904 : MEASURES
 
 
No records found.

 
 
WDS 18556-2241 : VIRTUAL EYEPIECE
 
 

18556-2241 ARA1904A mag 11.45 18556-2241 ARA1904B sep 11.5 P.A. 79.70 mag 12.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 18556-2241 : ALADIN DSS IMAGE @ 18h 55m 40.19s -22° 41' 09.9"
 
 
 
 
WDS 18556-2241 ARA 1904 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18556-2241  ARA1904 distance=0' 18555-2239  ARA1903 distance=3' 18562-2258  ARA2247 distance=20' 18542-2245  BU 1033AB (Ainalrami) distance=22' 18542-2245  HJ 5072AC (Ainalrami) distance=22' 18542-2254  TDT1120 distance=25' 18541-2259  ALD  71 distance=27' 18536-2235  ARA1902 distance=29' 18583-2306  ARA2251 distance=45' 18549-2157  RSS 495AB distance=46' 18524-2225  DON 930 distance=49' 18570-2327  ARA2249 distance=50' 18593-2253  SHN 237 distance=52' 18565-2336  ARA2248 distance=56' 18516-2235  SHN 236 distance=57' 18597-2257  DON 937 distance=59' 18553-2341  B   412 distance=61' 18580-2337  LEO  22AB distance=65' 18580-2337  OCC1049Aa,Ab distance=65' 18580-2145  B  2870 distance=65' 18509-2235  DON 927AB distance=66' 18509-2235  DON 927AC distance=66' 18569-2345  OCC1048 distance=67' 18593-2155  TDT1169 distance=69' 18554-2349  OCC1046 distance=69' 18513-2201  HJ 5070 distance=73' 18510-2208  KPP 427 distance=74' 19007-2220  ARA1905 distance=74' 18572-2352  CPO 603 distance=74' 18508-2210  BU 1300 distance=74' 18596-2150  B  2466 distance=76' 18588-2139  ARA1558 distance=76' 18549-2357  RCH   7AB distance=77' 18549-2357  OCC1044Aa,Ab distance=77' 18549-2357  OCC1044Aa,Ac distance=77' 18518-2141  DON 929 distance=82' 19000-2145  ARA1560 distance=83' 18515-2143  DON 928 distance=83' 19012-2318  OCC1052 distance=84' 19002-2340  OCC1050 distance=87' 19012-2323  OCC1053 distance=88' 19014-2156  ARA1906 distance=92' 18555-2413  OCC1047 distance=92' 18554-2413  OCC1045 distance=92' 19003-2350  OCC1051 distance=94' 18487-2230  ARA1900 distance=97' 18590-2115  KPP4133 distance=99' 18592-2114  HDS2693Aa,Ab distance=101' 18592-2114  RST5127AB distance=101' 19026-2309  DON 940 distance=102' 19019-2340  ARA2252AB distance=104' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18556-2241 ARA1904 81 12.4
Show 18555-2239 ARA1903 235 8.2 3
Show 18562-2258 ARA2247 314 14.9 20
Show Ainalrami 18542-2245 BU 1033 AB 99 2.5 22
Show Ainalrami 18542-2245 HJ 5072 AC 58 28.0 22
Show 18542-2254 TDT1120 27 0.4 25
Show 18541-2259 ALD 71 158 2.1 27
Show 18536-2235 ARA1902 324 11.2 29
Show 18583-2306 ARA2251 235 10.2 45
Show 18549-2157 RSS 495 AB 67 21.4 46
Show 18524-2225 DON 930 272 0.7 49
Show 18570-2327 ARA2249 221 9.4 50
Show 18593-2253 SHN 237 -1 0.1 52
Show 18565-2336 ARA2248 332 13.0 56
Show 18516-2235 SHN 236 -1 0.0 57
Show 18597-2257 DON 937 149 1.3 59
Show 18553-2341 B 412 278 1.9 61
Show 18580-2337 LEO 22 AB 280 2.8 65
Show 18580-2337 OCC1049 Aa,Ab -1 0.0 65
Show 18580-2145 B 2870 263 6.0 65
Show 18509-2235 DON 927 AB 68 3.3 66
Show 18509-2235 DON 927 AC 8 9.1 66
Show 18569-2345 OCC1048 -1 0.0 67
Show 18593-2155 TDT1169 216 1.7 69
Show 18554-2349 OCC1046 -1 0.0 69
Show 18513-2201 HJ 5070 51 9.7 73
Show 18510-2208 KPP 427 235 3.7 74
Show 19007-2220 ARA1905 42 9.9 74
Show 18572-2352 CPO 603 161 9.9 74
Show 18508-2210 BU 1300 254 18.0 74
Show 18596-2150 B 2466 272 10.0 76
Show 18588-2139 ARA1558 137 6.3 76
Show 18549-2357 RCH 7 AB 20 1.6 77
Show 18549-2357 OCC1044 Aa,Ab -1 0.0 77
Show 18549-2357 OCC1044 Aa,Ac -1 0.0 77
Show 18518-2141 DON 929 329 3.9 82
Show 19000-2145 ARA1560 246 6.8 83
Show 18515-2143 DON 928 277 4.9 83
Show 19012-2318 OCC1052 -1 0.0 84
Show 19002-2340 OCC1050 -1 0.0 87
Show 19012-2323 OCC1053 -1 0.0 88
Show 19014-2156 ARA1906 334 14.2 92
Show 18555-2413 OCC1047 -1 0.0 92
Show 18554-2413 OCC1045 -1 0.0 92
Show 19003-2350 OCC1051 -1 0.0 94
Show 18487-2230 ARA1900 103 12.0 97
Show 18590-2115 KPP4133 24 1.8 99
Show 18592-2114 HDS2693 Aa,Ab 160 0.3 101
Show 18592-2114 RST5127 AB 189 3.2 101
Show 19026-2309 DON 940 334 2.2 102
Show 19019-2340 ARA2252 AB 92 10.7 104

 
 
WDS 18556-2241 : COMPONENTS
 
 
  A
B pa=79.7°
sep=11.46"
 
 
18556-2241 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185540.19-224109.9 Mag 11.45 PmRA 2.00
PmDE 4.0 Tycho2 6860-00999-1
Tycho2
Tycho2 6860-00999-1 Pflag RAmdeg 283.91741146 DEmdeg -22.68599065
PmRA 0.6 PmDE 10.8 E RAmdeg 89 E DEmdeg 119
E pmRA 3.6 E pmDE 4.0 EpRAm 1981.26 EpDEm 1974.64
Num 3 Q RAmdeg 1.4 Q DEmdeg 0.7 Q pmRA 1.4
Q pmDE 0.8 BTmag 12.658 E BTmag 0.348 VTmag 11.454
E VTmag 0.159 Prox 999 TYC HIP
CCDM RAdeg 283.91741028 DEdeg -22.68601472 EpRA 1990 1.88
EpDE 1990 1.89 E RAdeg 97.4 E DEdeg 137.4 Posflg
Corr -0.1
 
 
18556-2241 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185541.00-224107.9 Mag 12.2 PmRA 4.00
PmDE 1.0 Calc delta mag 0.75 Calc coord yes