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Doubles in session


Current system
18517+1331
STF 2409 AB
HD 174791


Nearby doubles
11' : 18521+1322
TOB 296

13' : 18510+1339
BPM 868

19' : 18523+1314
TOB 297

20' : 18504+1336
BPM 861

24' : 18502+1339
BPM 857AB

27' : 18506+1351
J 108

28' : 18520+1358
CHR 80

28' : 18523+1357
BPM 874

29' : 18538+1334
J 1188

30' : 18522+1302
TDT1094

31' : 18528+1357
BPM 876

32' : 18526+1400
STF2412

34' : 18508+1301
BPM 865

36' : 18496+1313
SHY 309

37' : 18537+1353
BPM 880

37' : 18541+1319
J 1837

39' : 18522+1409
BPM 872

43' : 18491+1313
STF2399AB

43' : 18503+1408
HEI 398

45' : 18526+1414
BPMA 67

46' : 18542+1304
HDS2679

46' : 18494+1400
BPM 847

46' : 18531+1412
BPM 877

47' : 18529+1248
TDT1108

48' : 18486+1344
BPM 836

51' : 18511+1421
BPMA 64



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 18517+1331 : COMPONENTS
 
 
  A B C
B pa=21.1°
sep=0.94"
 
C pa=195.8°
sep=33.72"
pa=195.9°
sep=34.65"
 
D pa=291.0°
sep=70.95"
pa=290.3°
sep=70.95"
pa=315.4°
sep=81.30"
 
 
18517+1331 A
 
 
Name HD 174791 Coord arcsec 2000 185143.74+133106.9 Mag 8.46 Spectral class G5 (yellow)
PmRA 12.00 PmDE 0.0 SAO 104190 HIP 92565
Tycho2 1038-00509-1 HD 174791 GC 25877 ADS 11763
BD BD+13 3783
Tycho2
Tycho2 1038-00509-1 Pflag P RAmdeg 282.93226571 DEmdeg 13.51862080
PmRA 12.3 PmDE -0.1 E RAmdeg 9 E DEmdeg 10
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.34 EpDEm 1991.31
Num 5 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.8 BTmag 9.404 E BTmag 0.022 VTmag 8.464
E VTmag 0.015 Prox 9 TYC T HIP 92565
CCDM A RAdeg 282.93221333 DEdeg 13.51857444 EpRA 1990 1.73
EpDE 1990 1.81 E RAdeg 9.1 E DEdeg 9.8 Posflg D
Corr 0.0
SAO
SAO 104190 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 0.007 Vmag 7.8 SpType G5
Double code Source 70 CatNum 25877 DM BD+13 3783
DMcomp BDsup HD 174791 M HD 0
GC 25877 RA1950rad 4.9280508 DE1950rad 0.23488069 PmRA2000 0.001
PmDE2000 0.007
Hipparcos
Catalog H HIP 92565 Proxy H RAhms 18 51 43.73
DEdms +13 31 06.9 Vmag 8.07 VarFlag R Vmag H
RAdeg 282.932 DEdeg 13.5186 AstroRef A Plx 3.51
CCDM 18517+1331 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 22 Rho 1.014 HD 174791 BD BD+13 3783
CD CP Dm number +13 3783 VIred 0.8
SpType G5 R SpType Coord arcsec 2000 185143.73+133106.9
Hipparcos 2
HIP 92565 Sn 15 So 3 Nc 2
RArad 4.9380986894 DErad 0.2359436537 Plx 3.83 PmRA 12.35
PmDE 0.97 E RArad 0.88 E DErad 0.86 E Plx 1.05
E pmRA 1.39 E pmDE 1.1 Hpmag 8.2214 E Hpmag 0.002
SHp 0.013 VA 0 BV 0.801 E BV 0.019
VI 0.83
CCDM
Ccdm 18517+1331 RComp Comp A Note1
Note2 Discov num DRAs 1.79 DDEs 6.2
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.1 Sp G5 PmNote *
PmRA 17 PmDE -13 Dm number +13 3783 Cat1 BD
Name2 +13 1846 Cat2 AGK2/3 HD 174791 M HD
ADS BDS A11763 M ADS BDS N IDS IDS 18471N1324A
HIC 92565
 
 
18517+1331 B
 
 
Coord arcsec 2000 185143.76+133107.8 Mag 9.64 PmRA 12.00 PmDE 0.0
Tycho2 1038-00509-2 Calc delta mag 1.18 Calc coord yes
Tycho2
Tycho2 1038-00509-2 Pflag P RAmdeg 282.93226571 DEmdeg 13.51862080
PmRA 12.3 PmDE -0.1 E RAmdeg 9 E DEmdeg 10
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.34 EpDEm 1991.31
Num 5 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.8 BTmag 10.386 E BTmag 0.040 VTmag 9.644
E VTmag 0.031 Prox 9 TYC T HIP 92565
CCDM B RAdeg 282.93232861 DEdeg 13.51880556 EpRA 1990 1.72
EpDE 1990 1.81 E RAdeg 21.3 E DEdeg 22.7 Posflg D
Corr -0.1
CCDM
Ccdm 18517+1331 RComp Comp B Note1
Note2 Discov num STF2409 DRAs DDEs
R dRAs Year 1950 Theta 024 Rho 0.8
Obs 20 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11763 M ADS BDS N IDS IDS 18471N1324B
HIC 92565
 
 
18517+1331 C
 
 
Coord arcsec 2000 185143.11+133034.4 Mag 12.96 PmRA 5.00 PmDE -8.0
Calc delta mag 4.5 Calc coord yes
CCDM
Ccdm 18517+1331 RComp Comp C Note1
Note2 Discov num STF2409 DRAs DDEs
R dRAs Year 1900 Theta 196 Rho 32.8
Obs 2 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11763 M ADS BDS N IDS IDS 18471N1324C
HIC
 
 
18517+1331 D
 
 
Coord arcsec 2000 185139.20+133132.4 Mag 13.1 Calc delta mag 4.64 Calc coord yes