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Current system
18542-2245
HJ 5072 AC


Nearby doubles
10' : 18542-2254
TDT1120

13' : 18536-2235
ARA1902

15' : 18541-2259
ALD 71

20' : 18555-2239
ARA1903

22' : 18556-2241
ARA1904

32' : 18562-2258
ARA2247

33' : 18524-2225
DON 930

38' : 18516-2235
SHN 236

46' : 18509-2235
DON 927AB

49' : 18549-2157
RSS 495AB

58' : 18570-2327
ARA2249

58' : 18510-2208
KPP 427

58' : 18508-2210
BU 1300

59' : 18513-2201
HJ 5070

59' : 18553-2341
B 412

60' : 18565-2336
ARA2248

62' : 18583-2306
ARA2251

67' : 18554-2349
OCC1046

72' : 18593-2253
SHN 237

72' : 18569-2345
OCC1048

73' : 18515-2143
DON 928

73' : 18518-2141
DON 929

74' : 18549-2357
RCH 7AB

75' : 18580-2337
LEO 22AB

77' : 18487-2230
ARA1900

79' : 18597-2257
DON 937



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 18542-2245 : COMPONENTS
 
 
  A B
B pa=99.3°
sep=2.30"
 
C pa=55.5°
sep=26.49"
pa=51.8°
sep=24.88"
 
 
18542-2245 A
 
 
Common name Ainalrami Meaning eye of the archer Other names Ain al rami Coord arcsec 2000 185410.18-224441.4
Mag 4.9 Spectral class G2I (yellow) PmRA 6.00 PmDE -7.0
SAO 187426 HIP 92761 Tycho2 6860-00863-1 HD 174974
HR 7116 GC 25918 BD BD-22 4907 CD CD-2213399
Bayer Nu 1 Sagittarii Bayer name Nu1 Sgr Flamsteed 32 Sagittarii Flamsteed name 32 Sgr
Tycho2
Tycho2 6860-00863-1 Pflag RAmdeg 283.54240275 DEmdeg -22.74483882
PmRA 2.2 PmDE -7.9 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.8 EpRAm 1991.50 EpDEm 1991.15
Num 19 Q RAmdeg 1.7 Q DEmdeg 1.5 Q pmRA 1.7
Q pmDE 1.4 BTmag 6.686 E BTmag 0.015 VTmag 5.008
E VTmag 0.009 Prox 999 TYC T HIP 92761
CCDM RAdeg 283.54239722 DEdeg -22.74482056 EpRA 1990 1.81
EpDE 1990 1.67 E RAdeg 3.4 E DEdeg 3.9 Posflg
Corr 0.0
SAO
SAO 187426 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.01 Vmag 5 SpType G5
Double code Source 70 CatNum 25918 DM BD-22 4907
DMcomp BDsup HD 174974 M HD 0
GC 25918 RA1950rad 4.9355776 DE1950rad -0.39807828 PmRA2000 0.0007
PmDE2000 -0.01
Hipparcos
Catalog H HIP 92761 Proxy RAhms 18 54 10.18
DEdms -22 44 41.4 Vmag 4.86 VarFlag 1 R Vmag H
RAdeg 283.542 DEdeg -22.7448 AstroRef Plx 1.76
CCDM 18542-2245 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 174974 BD BD-22 4907
CD CD-2213399 CP Dm number -22 4907 VIred 1.35
SpType K1II R SpType Coord arcsec 2000 185410.18-224441.4
Hipparcos 2
HIP 92761 Sn 5 So 0 Nc 1
RArad 4.9487483993 DErad -0.3969719926 Plx 2.9 PmRA 2.59
PmDE -8.41 E RArad 0.29 E DErad 0.18 E Plx 0.3
E pmRA 0.45 E pmDE 0.31 Hpmag 5.0022 E Hpmag 0.0022
SHp 0.008 VA 0 BV 1.412 E BV 0.004
VI 1.35
CCDM
Ccdm 18542-2245 RComp Comp A Note1
Note2 Discov num DRAs -1.73 DDEs 18.6
R dRAs 41 Year Theta Rho
Obs 3 Vmag 5.0 Sp K2 PmNote *
PmRA 10 PmDE -9 Dm number -22 4907 Cat1 BD
Name2 187426 Cat2 SAO HD 174974 M HD
ADS BDS A11794 M ADS BDS N IDS IDS 18481S2252A
HIC 92761
 
 
18542-2245 B
 
 
Coord arcsec 2000 185410.34-224441.8 Mag 10.8 Calc delta mag 5.9 Calc coord yes
CCDM
Ccdm 18542-2245 RComp Comp B Note1
Note2 Discov num BU 1033 DRAs DDEs
R dRAs Year 1888 Theta 097 Rho 2.5
Obs 6 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11794 M ADS BDS N IDS IDS 18481S2252B
HIC 92761
 
 
18542-2245 C
 
 
Coord arcsec 2000 185411.76-224426.4 Mag 11.21 PmRA 10.00 PmDE -2.0
Calc delta mag 6.31 Calc coord yes
CCDM
Ccdm 18542-2245 RComp Comp C Note1
Note2 Discov num HJ 5072 DRAs -0.13 DDEs 33.6
R dRAs 41 Year 1878 Theta 058 Rho 28.2
Obs 5 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11794 M ADS BDS N IDS IDS 18481S2252C
HIC