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Current system
18253+2605
STF 2317 AD


Nearby doubles
6' : 18255+2600
STF2318

23' : 18270+2603
L 24

26' : 18269+2551
BRT 182

29' : 18267+2627
BU 1326AB

33' : 18266+2537
LDS4787

35' : 18278+2557
DAM 285

35' : 18257+2639
COU 815

41' : 18224+2617
NSN 704

43' : 18265+2645
TDT 870

44' : 18277+2536
HDS2612AB

45' : 18257+2649
DAM1237

48' : 18259+2652
UC 3578

50' : 18251+2654
AG 361

50' : 18223+2633
TDT 819

52' : 18215+2603
A 243

58' : 18296+2603
HDS2619AB

62' : 18280+2655
TDT 893

64' : 18257+2503
POU3409

65' : 18276+2509
KU 117

71' : 18296+2647
A 245

72' : 18306+2606
UC 3598

73' : 18280+2708
ES 475

73' : 18207+2530
BRT3330

73' : 18290+2511
TDT 902

78' : 18265+2721
BU 264

79' : 18201+2532
STF2309



Selections
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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 18253+2605 : COMPONENTS
 
 
  A Ab B C D E
Ab pa=83.2°
sep=1.08"
 
B pa=223.2°
sep=23.20"
pa=224.9°
sep=24.04"
 
C pa=226.6°
sep=22.95"
pa=228.1°
sep=23.83"
pa=325.4°
sep=1.36"
 
D pa=188.3°
sep=44.39"
pa=189.6°
sep=44.68"
pa=160.6°
sep=28.65"
pa=159.9°
sep=29.96"
 
E pa=203.2°
sep=37.54"
pa=204.6°
sep=38.10"
pa=176.4°
sep=17.65"
pa=174.3°
sep=18.82"
pa=318.3°
sep=12.61"
 
F pa=205.8°
sep=67.17"
pa=206.6°
sep=67.76"
pa=197.0°
sep=45.57"
pa=195.7°
sep=46.42"
pa=234.1°
sep=28.22"
pa=209.1°
sep=29.72"
 
 
18253+2605 A
 
 
Name HD 169797 Coord arcsec 2000 182520.63+260502.8 Mag 7.69 Spectral class G7III (yellow)
PmRA -3.00 PmDE -16.0 SAO 86025 HIP 90288
Tycho2 2110-00945-1 HD 169797 ADS 11337 BD BD+26 3247
Tycho2
Tycho2 2110-00945-1 Pflag RAmdeg 276.33596775 DEmdeg 26.08408942
PmRA -2.8 PmDE -11.5 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.1 EpRAm 1991.23 EpDEm 1991.36
Num 10 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 8.970 E BTmag 0.017 VTmag 7.823
E VTmag 0.011 Prox 12 TYC T HIP 90288
CCDM A RAdeg 276.33597444 DEdeg 26.08411583 EpRA 1990 1.53
EpDE 1990 1.67 E RAdeg 5.4 E DEdeg 5.1 Posflg
Corr 0.0
SAO
SAO 86025 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.013 Vmag 8.1 SpType K0
Double code Source 34 CatNum 8887 DM BD+26 3247
DMcomp BDsup HD 169797 M HD 0
GC RA1950rad 4.81415345 DE1950rad 0.45474084 PmRA2000 -0.0005
PmDE2000 -0.014
Hipparcos
Catalog H HIP 90288 Proxy H RAhms 18 25 20.63
DEdms +26 05 02.8 Vmag 7.66 VarFlag R Vmag G
RAdeg 276.336 DEdeg 26.0841 AstroRef A Plx 3.01
CCDM 18253+2605 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AE
Theta 87 Rho 1.211 HD 169797 BD BD+26 3247
CD CP Dm number +26 3247 VIred 0.96
SpType G8III R SpType Coord arcsec 2000 182520.63+260502.8
Hipparcos 2
HIP 90288 Sn 15 So 3 Nc 2
RArad 4.8229725633 DErad 0.4552537187 Plx 3.71 PmRA -3.42
PmDE -15.29 E RArad 0.41 E DErad 0.5 E Plx 0.73
E pmRA 0.52 E pmDE 0.68 Hpmag 7.844 E Hpmag 0.0013
SHp 0.014 VA 0 BV 0.984 E BV 0.005
VI 0.96
CCDM
Ccdm 18253+2605 RComp Comp A Note1
Note2 Discov num DRAs 2.63 DDEs 2.7
R dRAs 82 Year Theta Rho
Obs 5 Vmag 7.9 Sp K0 PmNote *
PmRA -3 PmDE -16 Dm number +26 3247 Cat1 BD
Name2 +26 1836 Cat2 AGK2/3 HD 169797 M HD
ADS BDS A11337 M ADS BDS N IDS IDS 18213N2602A
HIC 90288
 
 
18253+2605 Ab
 
 
Coord arcsec 2000 182520.71+260502.9 Mag 11.14 Spectral class IV PmRA -3.00
PmDE -16.0 Calc delta mag 3.32 Calc coord yes
 
 
18253+2605 B
 
 
Coord arcsec 2000 182519.45+260445.9 Mag 12.5 PmRA 12.00 PmDE -3.0
Calc delta mag 4.68
CCDM
Ccdm 18253+2605 RComp Comp B Note1
Note2 Discov num STF2317 DRAs DDEs
R dRAs Year 1904 Theta 224 Rho 24.8
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11337 M ADS BDS N N IDS IDS 18213N2602B
HIC
 
 
18253+2605 C
 
 
Coord arcsec 2000 182519.39+260447.0 Mag 12.7 Calc delta mag 4.88 Calc coord yes
CCDM
Ccdm 18253+2605 RComp B Comp C Note1
Note2 Discov num STF2317 DRAs DDEs
R dRAs Year 1901 Theta 323 Rho 1.1
Obs 6 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11337 M ADS BDS N IDS IDS 18213N2602C
HIC
 
 
18253+2605 D
 
 
Coord arcsec 2000 182520.16+260418.9 Mag 10.28 Spectral class IV PmRA 0.00
PmDE -11.0 Tycho2 2110-01219-1 Calc delta mag 2.46 Calc coord yes
Tycho2
Tycho2 2110-01219-1 Pflag RAmdeg 276.33366557 DEmdeg 26.07187245
PmRA -3.5 PmDE -10.5 E RAmdeg 27 E DEmdeg 29
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.37 EpDEm 1988.93
Num 4 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.5
Q pmDE 0.8 BTmag 11.393 E BTmag 0.060 VTmag 10.280
E VTmag 0.036 Prox 446 TYC T HIP
CCDM RAdeg 276.33367444 DEdeg 26.07189694 EpRA 1990 1.66
EpDE 1990 1.61 E RAdeg 26.8 E DEdeg 28.9 Posflg
Corr 0.0
CCDM
Ccdm 18253+2605 RComp Comp D Note1
Note2 Discov num STF2317 DRAs DDEs
R dRAs Year 1904 Theta 190 Rho 44.6
Obs 2 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11337 M ADS BDS N IDS IDS 18213N2602D
HIC
 
 
18253+2605 E
 
 
Coord arcsec 2000 182519.53+260428.3 Mag 14.2 Spectral class IV PmRA -9.00
PmDE -21.0 Calc delta mag 6.38 Calc coord yes
CCDM
Ccdm 18253+2605 RComp Comp E Note1
Note2 Discov num HDS DRAs 2.72 DDEs 2.8
R dRAs 82 Year 1991 Theta 087 Rho 1.2
Obs 1 Vmag 11.2 Sp PmNote
PmRA -3 PmDE -16 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90288
 
 
18253+2605 F
 
 
Coord arcsec 2000 182518.46+260402.3 Mag 13.58 Spectral class IV PmRA 0.00
PmDE -11.0 Calc delta mag 5.76 Calc coord yes